Page 1 of 27
Effective from 01.07.2007
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Ver 3.0
GOVERNMENT OF INDIA
MINISTRY OF RAILWAYS
DRAFT
TECHNICAL
SPECIFICATION
For
LEVEL CROSSING GATE CONTROL EQUIPMENT
Using Wired / Wireless Data Communication
with Private Number Exchange & Voice Logging Facilities
SPECIFICATION No
RDSO / SPN / TC / 049 / 2003
Version 3.0
Issued by
Telecom Directorate
RESEARCH DESIGNS & STANDARDS ORGANISATION
LUCKNOW – 226 011
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 2 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
Document Data Sheet
Specification
Revision
Title of Document
DRAFT TECHNICAL SPECIFICATION
For
LEVEL CROSSING GATE CONTROL EQUIPMENT
Using Wired / Wireless Data Communication
with Private Number Exchange & Voice Logging Facilities
Prepared By
Shri M. K. Yadav
Director / Tele / WL / RDSO
Approved By
Shri M. Alam
Executive Director / Telecom / RDSO
Abstract
This document specifies technical specifications for LEVEL CROSSING GATE CONTROL
EQUIPMENT Using Wired / Wireless Data Communication with Private Number Exchange &
Voice Logging Facilities
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 3 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
Document Control Sheet
Serial
Number
Date of
Amendment
Amendment / Revision
Reasons for Amendment
1
10 / 10 / 2003
First Draft
Mission No 13: Improving
safety at Level Crossings
2
12 / 05 / 2005
Second Draft
3
12 / 03 / 2007
Third Draft
For
implementation
of
suggestion given by Traffic &
Track Directorate as well as
feedback from field trial.
i. To incorporate Voice Logging
feature in the ASM Unit
ii. Standardization of
Connectors and Terminals
iii. Power Supply input range
COPY NUMBER
ISSUED BY _________________ SIGNATURE ________________ DATE _________
ISSUED TO _____________________________________________________________
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 4 of 27
Effective from 01.07.2007
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Ver 3.0
INDEX
SECTION No.
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
REQUIREMENTS
GENERAL
GENERAL SYSTEM / TECHNICAL REQUIREMENT
SYSTEM DIAGRAM
SYSTEM FEATURE
SYSTEM OPERATION
SYSTEM SPECIFICATION
ENVIORNMENTAL CONDITIONS
WARRANTY
TYPE APPROVAL
INSPECTION
SAMPLING
REJECTION
MARKING & PACKING
ANNEXURE – A
ANNEXURE – B
PAGE No
6
7
11
13
17
19
22
22
22
24
25
25
25
26
27
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 5 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
ABBREVIATIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
dB
DC
AC
DTMF
Hz
kHz
MHz
LED
MOV
PCB
Rx
Tx
S/N Ratio
AF
SWR
mW
uW
STN
SM
ASM
LC
VHF
UHF
EMI
DGS&D
DCPW
TEC
EUT
SMF
UL
CSA
Decibel
Direct Current
Alternate Current
Dual Tone Multi Frequency
Hertz
Kilo Hertz
Mega Hertz
Light Emitting Diode
Metal Oxide Varistor
Printed Circuit Board
Receive
Transmit
Signal to Noise Ratio
Audio Frequency
Standing Wave Ratio
milli Watt
micro Watt
Station
Station Master
Assistant Station Master
Level Crossing
Very High Frequency
Ultra High Frequency
Electro-magnetic Interference
Directorate General of Supplies & Disposals
Directorate of Coordination, Police Wireless
Telecommunication Engineering Center
Equipment under Test
Sealed Maintenance Free
Underwriters Laboratories
Canadian Standards Association
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 6 of 27
Effective from 01.07.2007
1.
GENERAL
1.0
INTRODUCTION:
RDSO / SPN / TC / 049 / 2003
Ver 3.0
This document covers the technical requirements, system features, characteristics and provisions of
tests and inspection of LEVEL CROSSING GATE CONTROL EQUIPMENT using wired and wireless Data
Communication with Private Number exchange & Voice Logging facilities for use over Indian
Railways and is issued under specification no. STT/SPN/TC/049/2003
1.1
This specification complies with the requirements of Railway Board’s
Safety Circular No. 2000/ Safety (A&R) / 19 / 39 dated 08.05.2002
1.2
The specification is intended to cover the technical provision and does not include the provisions of a
contract.
1.3
LOT:
A lot is constituted by “Level Crossing Gate Control Equipment using Wired and Wireless Data
Communication” of the same type manufactured in the same factory during the same period, using
the same process and materials.
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 7 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
2.
GENERAL SYSTEM REQUIREMENT:
2.1
System Requirement
Ver 3.0
The objective of the equipment is to establish reliable Communication between ASM and LC gates,
which will control closing / opening of the gates before and after passing the train with recoding of
data, voice & exchange of private number.
2.2
The ASM & LC Gate Control equipment should perform as follows:2.2.1
The system shall be designed in such a way that ASM shall be able to control at least 8
gates each on either side of the Station / Cabin from his ASM control equipment (in total
16 gates). However this can be increased or decreased depending upon the user’s
requirement.
2.2.2
The message sent by ASM meant for a particular LC gate shall go to that gate only.
2.2.3
The message shall be initiated by pressing certain keys (push buttons) provided on the
equipment. On operation of keys by ASM from his equipment, electronically recorded
messages shall play in voice form in LC Gate Equipment and ASM should get its
acknowledgment automatically and vice-versa.
2.2.4
The message shall be in Hindi, English or any regional language. Any two languages
depending upon the requirement of the Railway can be selected while placing order to
the RDSO approved manufacturer.
2.2.5
The System shall be compatible to work with all types of manned level crossing gates as
defined in Para 4.20
2.2.6
The System shall follow the method of exchanging private number between ASM and LC
gate man as per Railway board Safety circular No. 2000/Safety(A&R)/19/39 dated
08.05.2002 or latest.
2.2.7
ASM control equipment shall have keys like ADVISE, CLOSE, OPEN etc., so that ASM shall
be able to give information to the Gate man by pressing appropriate keys. LCD panel
provided on the equipment shall indicate the keys, pressed by ASM, private number
inserted by ASM etc. SEND key must be there to send the information to the respective
gates. LCD panel shall be of 16 Characters x 2 Lines
2.2.8
LC gate equipment shall have similar types of keys like CLOSE, PROBLEM, OPEN etc., so
that LC gate man shall be able to send his request or information to the ASM. LCD panel
provided on the equipment shall indicate the key pressed, private number inserted by LC
gate man etc. LCD panel shall be of 16 Characters x 2 Lines
2.2.9
In case LC gate man is unable to execute the order of ASM for Closing the gate, he will
immediately press the PROBLEM key with private number, which will intimate ASM about
his inability. In Addition to that gateman should be able to promptly communicate with
ASM with the help of Telephone provided with the equipment.
2.2.10 All the events like gate CLOSING, OPENING, PROBLEM, MESSAGES etc must be stored in
the data-logger of ASM and LC gate Control Equipment with Date, Time, Train Number,
Gate Number and Exchanged Private Number of ASM and gateman, which can be
retrieved directly by connecting a DOT matrix printer to a port provided on either
equipment.
2.2.11 ASM Control Equipment and LC gate equipment should be protected suitably by assigning
password. Without correct password it shall not be possible to change the settings of
parameters of the equipment. Settings of parameters mean programming of Gate ID,
Controller (ASM) ID, Date, Time etc. Provision shall be made on the equipment itself for
setting the parameters with the help of assigned keys by authorized Railway person.
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 8 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
2.2.12 When stationmaster/ASM or LC gate man wishes to have voice communication, the same
shall be possible by using telephone instrument provided on the equipment.
Voice Communication should be recorded with Date & Time stamping on it.
Voice Storage Device shall be part of ASM Control Equipment as described in
para 4.22
2.2.13 The ASM Control equipment and LC Gate equipment shall be provided with mechanical
Locking arrangement to prevent unauthorized operation of the System. However System
Power shall remain in ‘ON’ condition to receive incoming messages and information.
2.2.14 Surge protection devices
2.2.14.1 Control line Protection :
This device is to be connected before the equipment. The protection is to be provided in
series with the control line. The device should be able to discharge a total surge current
of 20 KA of 8/20 µs, DC breakdown voltage should be 300-400 Volts, and AC breakdown
voltage at 50Hz should be 300-400 Volts. The arrester Rated voltage of the device should
be > 18Volt. The protection level between core-core/ core-gnd should be <25V/<450V
The device should be pluggable with a make before break feature. The device should be
isolated from the ground with a G.D. tube. The device should be as per the IEC 61643-21
or in compliance with UL specification.
2.2.14.2 Power line protection
Power line protection is to be provided at the power supply Input. The device should be
connected in parallel to the supply. Class C type Stage II protection should be
connected.The arrestor should be connected as per TT system of the wiring. The device
should be pluggable & should have the potential free contact for remote monitoring of the
health status of the device. The device should be able to handle a surge current of 20 KA
of 8/20 µs. The device should be tested as per the IEC 61643-1.
The connection scheme is provided in the Annexure-B
2.2.15 Lightning Arrestor for Antenna:
The provision of lightning arrestor for stacked dipole omni-directional antenna shall be
made to protect the radio set from lightning or EMI. The protection system as described
shall be earthed with the equipment earth. The earth value shall be less than 5 ohm.
2.2.16 An External arrangement will have to be made for light so that the keyboard and LCD
Panel can be seen during night, where there is no provision of electricity at the
GATE LODGE / GOOMTI. The LED / Bulb of 12V DC/15- 35 mA current consumption
along with ON/OFF switch shall be provided for illumination and the same shall be
connected with the battery and shall be used only in the night at the time of use of LC
Gate equipment.
2.2.17 The cabinet of the equipment shall be powder coated with light colour like Off-white, Grey etc
2.3
System should consist of following
2.3.15 Communication Link between ASM control and LC Gate equipment.
The system shall be capable of working both on wired (2-wire overhead line or
underground 4 Quad PET cable) or wireless (25 watts VHF radio set). When system is
working on physical line, the Radio set shall be in hot standby mode so that in case of
any failure of Physical Line, the system should automatically switch over to wireless
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 9 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
communication with an indication on LCD panel as well as glow of RED LED provided on
the equipment.
2.3.16 ASM Control Equipment: The system must be designed using 16-bit or higher data bus
micro-controller of reputed make like Hitachi, Philips, Motorola etc and shall consist of
following items
2.3.2.1 DGS&D/DCPW approved, MIL Grade 810C/D/E complaint, 25 W VHF radio set
2.3.2.2 DGS&D/DCPW approved Omni Directional Stacked Dipole antenna having SWR
less than 1.5
2.3.2.3 DGS&D/DCPW approved RG 217 coaxial cable
2.3.2.4 DGS&D/DCPW approved Wireless Power Supply (12 V/10 amps) of reputed
make like AXIOM etc.
2.3.2.5 DGS&D/DCPW approved Wireless Battery (12V, 65 AH) of reputed make like
EXIDE, S/F, Hitachi, Amar Raja etc
2.3.2.6 DGS&D/DCPW approved Solar panel (70 Watt, 19.2 V nominal) of reputed
make like Tata BP, CEL etc.
2.3.2.7 Telephone Instruments TEC/ CACT approved.
2.3.2.8 80 column DOT matrix printer of reputed make like EPSON. WIPRO, TVS etc.
(OPTIONAL)
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 10 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
2.3.17 LC Gate Equipment: The system shall be designed using 16-bit micro-controller of
Reputed make like Hitachi, Philips, Motorola etc and shall consists of following items:
2.3.17.1 DGS&D/DCPW approved, MIL Grade 810C/D/E complaint, 25 W VHF radio.
2.3.17.2 DGS&D/DCPW approved Omni Directional Stacked Dipole antenna SWR less
than 1.5
2.3.17.3 DGS&D/DCPW approved RG 217 coaxial cable
2.3.17.4 DGS&D/DCPW approved Wireless Power Supply (12 V/10 amps) of Reputed
make like AXIOM etc.
2.3.17.5 DGS&D/DCPW approved Wireless Battery (12V, 65 AH) of reputed make like
EXIDE, S/F, Hitachi, Amar Raja etc
2.3.17.6 DGS&D/DCPW approved Solar panel (70 Watt, 19.2 V nominal) of reputed
make like Tata BP, CEL etc.
2.3.17.7 Telephone Instrument TEC /CACT approved
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 11 of 27
3.
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
SYSTEM DIAGRAM
Railway Station/Cabin
LC Gate
2 Wire Medium
ASM Control Equipment
LC Gate Equipment
LCD Panel
RADIO
16 x 2 line
LCD Panel
RADIO
16 x 2 line
ADVISE
1
2
3
SEND
CLOSE
1
2
3
SEND
CLOSE
4
5
6
CONFIG
PROB
4
5
6
CONFIG
OPEN
7
8
9
PRINT
OPEN
7
8
9
<-
0
->
<-
0
->
MSG
ACK
MSG
SM key
PRINT
ACK
Gateman key
Power Supply
230VAC,50HZ-i/p
Power Supply
230vAC,50 Hz-i/p
12V DC,10 A- o/p
12 V DC, 10 A- o/p
Battrery
12 V , 65 AH
Battery
12 V, 65 AH
Solar panel
70 W
Solar Panel
70 w
Figure 3.1
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 12 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
2 – Wire Physical Line
DN
Gate
No 8
. . . . . .
DN
Gate
No 1
ASM
Control
Equipment
UP
Gate
No 1
. . . . . .
UP
Gate
No 8
Figure 3.2
Network Of LC GATE Control Equipment
Using Wired / Wireless Data Communication
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 13 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
4. SYSTEM FEATURES
4.1
The system shall be designed using micro-controller with a data and voice storage and
retrieval facilities. It shall meet all the technical requirements as described in Para 2.0
4.2
ASM shall have facility to instruct the gateman for Opening or closing of the gate with
scheme of exchanging private number as per Railway board directives for different types of
manned level crossing gates. Selected train number, gate number, private number shall be
visible on LCD panel of ASM control unit before SEND button is pressed by ASM.
4.3
At the selected LC gate the message in the local language for expected arrival time of train,
its number and direction with private number shall be communicated and remain in repeat
mode. Acknowledgment of commencement of playing of message on LC gate equipment
should be provided on ASM control unit by automatic glow of ACK LED
4.4
Gate man shall inform the Opening of LC Gate to the ASM by pressing OPEN Switch. Local
voice message for requesting to open gate shall be repeated at ASM control unit.
4.5
ASM control unit shall have capability to instruct the gate man to OPEN the gate. Voice
message of opening the gate should be played through speaker in the LC gate unit.
4.6
Similarly ASM control unit shall have capability to instruct the gate man not to open the gate.
Voice message shall be played through speaker in the LC gate unit advising not to open the
gate.
4.7
Inability for closing the gate for any unforeseen reason can also be informed by the gate man
to the ASM by pressing PROBLEM button with private number. Local voice message of LC
gate problem with private number shall be played through speaker in the ASM control unit. In
addition to that, Gateman shall immediately talk to ASM / SM on duty by using Telephone
provided on the equipment. Whenever voice communication takes place, it will be
recorded in Voice Storage Device of ASM Control Equipment with Date and Time
stamping on it.
4.8
Priority of Emergency Call over On-going Call
Whenever ASM is having communication with any of the Gatemen, then another Gateman
shall not be able to listen the ongoing conversation. However if any other gate man shall
have an urgent message to be conveyed to the ASM, then he shall be able to send the
message to the ASM by pressing PROBLEM Button with private No. The same shall be
displayed on the LCD of ASM Unit with RED LED indication. The emergency message also be
played / reproduced on the ASM unit. In that case ASM shall promptly attend the emergency
call by terminating the On-Going Voice Communication
4.9
Announcement of voice message shall continue in the ASM control unit, unless and until ‘ACK’
button of ASM control unit is pressed by ASM/SM on duty.
4.10
Announcement of voice message shall continue in the LC gate unit, unless and until ‘ACK’
button of LC gate unit is pressed by Gateman on duty.
4.11
Voice communication shall be possible through telephone between ASM and gateman. Voice
communication shall be duplex when system is working on 2-wire Physical Line. Similarly
voice communication shall be semi duplex/ simplex when system is working through wireless
on VHF radio set. All Voice Communication shall be recorded in Voice Storage Device
of ASM Control Equipment.
4.12
(Optional): The system software can be modified to have communication between one
gateman to another gateman depending upon the requirement with the intervention of
ASM/SM on duty. However ASM / SM on duty will have overriding facility to send messages to
the gates even if he is engaged with Telephone communication.
4.13
The ASM Control Equipment and LC Gate equipment shall be provided with mechanical
locking arrangement to prevent unauthorized operation of the System. However System
Power will remain in ‘ON’ condition to receive incoming messages and information. In that
case it is not possible to operate the equipment, even receipt of on-going voice messages
cannot be stopped.
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 14 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
4.14
On either side, there may be a number of level crossing gates which are required to be
CLOSED / OPENED, there shall be a facility of “Group Messaging” to all the gates to facilitate
quick transfer of same information to all the gates on either side depending on the
requirement (Upside or Downside). However information received from the LC Gate shall be
in serial mode and same shall be recorded with time and date.
4.15
It shall be possible to know the Gate status (CLOSED or OPENED) by using the potential free
input contact available in the gate equipment. This facility can be used to relay the Gate
closure / open condition by using suitable signaling arrangement as per rule.
4.16
Some limited solution shall be made for train details where train number is of alpha-numeric
like goods train, Saloon, Railway engine, Trolley etc. The same shall be informed by the
manufacturer to the Railway user.
4.17
Normally voice as well as data communication between ASM Control unit and LC gate unit will
be through 2-wire physical media. Incase of LINE failure, alternate wireless medium shall
work. There shall be dynamic switching to select first available working medium.
4.18
‘LINE’ or ‘RADIO’ indication shall appear on ASM control unit as well as LC gate unit so that
advise to the maintenance staff shall be made without delay in case of LINE failure.
4.19
System must have a provision to operate from any of the two available sources of power
supply i.e. Electricity and battery. However Solar Panel must be another source to charge the
battery and this shall not be part of the equipment.
4.20
System shall have facility to exchange Private Number for different type of gates as described
in Railway board safety circular no 2000/safety(A&R)/19/39 whose description is as
given below.
4.20.1 Traffic level crossing gate, interlocked with stop signals of station,
provided with telephone, with normal position ‘ Open to road traffic’
 Gate closing instruction with private number, from ASM to Gateman
 Gateman gives private number to ASM as acknowledgement.
4.20.2 Traffic level crossing gate, Non - interlocked with stop signals, provided
with telephone, with normal position ‘ Closed to road traffic’.
 Gate open request, from gateman to ASM.
 Gate open instruction with private number, from ASM to gateman.
 Gate close information with private number, from gate-man to ASM.
 Confirmation of Gate closure from ASM as acknowledgement to gate man with
private number.
4.20.3 Engineering Level crossing gate, Non-interlocked , provided
telephone, with normal position ‘Open to road Traffic’
 Train arrival information from ASM to gateman with Private number.
 Gateman acknowledges ASM with private number.
 Gate closing instruction from ASM to gateman with private number.
 Gateman acknowledges ASM with private number.
 Gate open instruction from ASM to gateman with private number.
with
4.20.4 Engineering level crossing gate, Non interlocked , provided with telephone,
with normal position ‘ Closed to road Traffic’
 Gate open permission from gateman to ASM.
 Gate open instruction from ASM to gateman with private number.
 Gate close information with private number, from gateman to ASM.
 Confirmation of gate closure from ASM as acknowledgement to gateman with
private number
4.20.5 Engineering level crossing gate, interlocked with gate signals, provided
with telephone, with normal position ‘Open to road traffic’
 Gate closing instruction with private number, from ASM to Gateman.
 Gateman gives private number to ASM as acknowledgement.
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 15 of 27
4.21
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
Data logger:
4.21.1 The system shall have Data Logger to record all the events automatically with Date,
Time, Train Number, Direction, Gate Number and exchanged Private Number
between ASM and LC gateman, which can be retrieved by connecting it to a DOT
Matrix printer. The provision of simultaneous data logging shall be made in both ASM
and LC Control Equipment.
4.21.2 ASM Control equipment and LC gate equipment shall have facility to record all the
events related to their operation including event of Voice communication.
4.21.3 Data Storage Capacity: ASM Control equipment and LC gate equipment shall have
facility to store a minimum one-lakh events as explained in Clause no 4.21.1.
4.21.4 The data shall be stored in the FLASH EEPROM memory so that the stored events can
not be erased in case of power failure or fluctuations.
4.21.5 When the Flash EEPROM memory will be full with the logged data , then ‘FIRST IN ‘
information will be ‘FIRST OUT’ from the memory i.e. The system will follow FIFO
architecture.
4.21.6
Printout format of retrieved data shall be as follows
=========================================================
=========================================================
Sl No
DATE
TIME
MODE
FROM
GATE
PVTN
ACTIVITY
=========================================================
=========================================================
000
16/08/2003
11:33
LINE
GATE
23
--
GATE OPEN REQUEST
001
16/08/2003
11:34
LINE
STN
23
56
CLOSE FOR 5698 UP TRAIN
002
16/08/2003
11:41
LINE
GATE
23
45
EXCHANGE FOR ASM PVT NO.
003
16/08/2003
11:42
LINE
GATE
23
--
004
16/08/2003
11:44
LINE
STN
23
47
CLOSE FOR 5698 DN TRAIN
005
16/08/2003
12:10
LINE
GATE
23
45
EXCHANGE FOR ASM PVT NO
006
17/08/2003
14:54
RADIO
GATE
25
--
GATE OPEN REQUEST
007
17/08/2003
14:55
RADIO
STN
25
56
OPEN GATE
008
17/08/2003
14:55
LINE
STN
23
--
DON'T OPEN GATE
VOICE CALL
=========================================================
=========================================================
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 16 of 27
4.22
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
Voice Logging:
4.22.1 The system should be designed in such a way that it should have built-in arrangement to process,
record and store any ongoing voice communication from ASM Unit to LC Gate Units and Vice Versa
4.22.2 The recording and storage of voice communication should start as soon as call is established between
ASM Unit and LC Gate Units and the same should be terminated with the replacement of handset of
the telephone instrument provided with LC Gate and ASM Units. The recorded voice data shall be
stored with date and time stamping
4.22.3 The storage of voice data should be arranged in FIFO architecture and in no way it should get
corrupted once it is stored
4.22.4 The voice communication file storage device should have provision of its removal in case of
emergency but it has to be interfaced in such a way that removal should not be possible by an
unauthorized or unwanted person
4.22.5 There shall not be any compression of the input voice signal to retain the originality of the recorded
voice communication. The storage device recording capacity shall be 70 Hrs minimum
4.22.6 Retrieval of Voice Communication Data: There shall be an Ethernet interface port through which
stored voice data can be transferred from ASM Unit to any PC / Laptop for listening and taking
backup on CD / DVD media. If required, voice can be retrieved, played and listened through the
speaker provided in the ASM Unit by simple operation using keyboard of the unit. Facility shall also be
available for selection of any voice/ data for playing by entering desired date and time for specified
duration.
4.22.7 In case of any problem in voice recoding, there shall be visual alarm to draw the attention of the ASM
on duty, the same shall keep on glowing till such time acknowledged by the ASM.
4.22.8 The distortion of the recorded voice input signal when reproduced through speaker shall not be more
than 5% w. r. t. original input signal
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 17 of 27
5.0
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
SYSTEM OPERATION:
The system shall have capability to search automatically the available medium of
communication, that is 2 - wire and wireless. Preference of working shall be given to 2-wire.
Incase 2 - wire is defective or not available, system will automatically select wireless as
medium of communication. The system shall be capable to work either on 2-wire physical line
or Wireless or on both mediums.
5.1
ASM Control Equipment
5.1.1
On Pressing "ADVISE" button, the word "ADVISE” will be displayed on the LCD
panel. Thereafter the Gate Number (GATE:--), Private number(PVTN:--), Expected
Time(ET:--),Direction of arrival train(UPDN:--) and Train number (TRN:---) can be
inserted by keyboard and sent the information to the respective gate by pressing
SEND button.
5.1.2
On Pressing "CLOSE" button, the word "CLOSE” will be displayed on the LCD
panel. Thereafter the Gate Number(GATE:--), Private number(PVTN:--), Direction
of arrival train(UPDN:--) and Train number (TRN:---) can be inserted by keyboard
and sent the information to the respective gate by pressing SEND button.
5.1.3
On Pressing "OPEN" button, the word “OPEN” will be displayed on the
LCD
panel. Thereafter the Gate number(GATE:--), Private number(PVTN:--) can be
inserted by keyboard and sent the information to the respective gate by pressing
SEND button.
5.1.4
Whenever ASM control equipment sends the information by pressing SEND button,
‘ACK’ LED will glow. After confirm reception of the message at appropriate gate,
‘ACK’ LED will go-off.
5.1.5
After closing the gate, gate man shall press CLOSE button and enter the private
No and press the SEND Button to transfer the information from LC Gate Equipment
to ASM Control Equipment The received message will be displayed on LCD panel as
well as playing of Voice message on speaker. In addition to that, ‘CLOSE’ LED will
glow on ASM control Equipment.
5.1.6
In case of nay problem with the LC Gate or any untoward incident, the Gateman
shall send the information to the ASM by pressing PROBLEM button from his
equipment with Private Number. ASM control equipment will get visual indication
on LCD Panel, Voice message on speaker with a Glow of ‘PROBLEM’ Red LED
5.1.7
On receipt of ‘Gate Opening’ request from Gateman, on ASM control equipment
there will be Voice message as well as Glow of ‘OPEN’ LED.
5.1.8
Incase of 2-w physical line fault, the message will automatically transmitted
through Wireless with an indication ‘RADIO MODE’ glow of LED as well as Display
on LCD Panel.
5.1.9
‘PTT’ LED shall glow incase of Voice Communication through Telephone on
Wireless between ASM and LC Gate man. The PTT( Press to Talk ) switch and LED
shall be energized with VOX ( Voice Operated Switch )
5.1.10 This equipment shall have built-in Voice Logging facility as described in
para 4.22.
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 18 of 27
5.2
Effective from 01.07.2007
Ver 3.0
LC Gate Equipment
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.2.6
5.2.7
5.2.8
5.2.9
5.3
RDSO / SPN / TC / 049 / 2003
On pressing ‘CLOSE’ button the word ‘GATE CLOSE’ will appear in the LCD panel
Thereafter by inserting Private No, the message can be sent to ASM Control
Equipment by pressing ‘SEND’ button.
On Pressing ‘PROB’ button the word ‘GATE PROBLEM’ will appear in the LCD panel
Thereafter by inserting Private No, the message can be sent to ASM Control
Equipment by pressing ‘SEND’ button.
On pressing ‘OPEN’ button the word ‘GATE OPEN’ shall appear in the LCD panel and
message can be sent to the ASM control equipment by pressing ‘SEND’ button.
When the LC Gate equipment receives any message from ASM control equipment,
voice message will play in the LC gate equipment. On pressing ‘ACK’ button the
voice message can be muted.
Whenever LC gate equipment sends the information by pressing SEND button, ‘ACK’
LED will glow. After confirm reception of the message at ASM Control Equipment,
‘ACK’ LED will glow OFF.
On receipt of ‘Gate Open Message’ from ASM control equipment, there will be voice
message on the speaker with an indication of ‘OPEN’ LED.
On receipt of ‘Gate Close Message’ from ASM control equipment, there will be playing
of voice message on a speaker with a glow off ‘CLOSE’ LED
Incase 2-wire physical line fault, the message will be automatically transmitted
through wireless with an indication of ‘RADIO MODE’ LED glow as well as display
on LCD panel.
‘PTT’ LED shall glow in case of voice communication through telephone on wireless
between LC gate man and ASM. The PTT ( Press to Talk) LED and switch shall be
energized with VOX (Voice Operated Switch).
Print-out:
5.3.1
All the events recorded by the Data-logger as explained in Para 4.21 can be
downloaded / printed by connecting Dot Matrix Printer on the assigned port of the
ASM Control equipment and LC Gate equipment by pressing ‘PRINT’ button and
entering the date.
5.3.2.
Provision shall be made to take printout from LC gate equipment.
5.3.3.
ASM on duty can take print out on daily basis as per his requirement or as defined by
the user of the equipment.
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 19 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
6.0
SYSTEM SPECIFICATION:
6.1
Electrical Parameters For ASM Control Equipment and LC Gate Equipment
6.1.1 Power Supply
6.1.2 Current Consumption
SMPS Power plant with battery charger
Input: 165 V to 260 V AC, 50Hz
Output: 12 V DC +/- 10 %, 10 Amp
6 Amp max. on wireless
800mA max. on 2–wire physical line
6.1.3 Event Logging
i Number of Data events
ii Real Time Clock
iii Print-out
iv Voice Data Storage Capacity
Min 1 lac
Year, Month, Date, Hour and Minute
By connecting a DOT Matrix printer
Min 70 Hours
6.1.4
6.1.5
6.1.6
6.1.7
3 Watts
Two digits
16 x 2 alphanumeric, with back-lit LED.
Min one year
Speaker Output Level
Gate Identification number
LCD display
RTC Battery backup
6.2
6.2.1
25 Watt Radio:
VHF radio set of 25 watt for wireless communication shall be procured from DGS&D approved
source. The radio shall be MIL Grade, 810C/D/E compliant.
6.2.2 Spec of the radio
Sl No
Parameters
Characteristics
A.
A1.
A2.
A3.
A4.
A5.
A6.
A7.
A8.
GENERAL
Frequency Range
Channel Spacing
Emission
Frequency Spread
Frequency Stability
Type of Operation
Operating Temperature Range
Speaker Impedance
146 to 174 MHz
12.5 kHz or 25 kHz
8K50F3E or 16KOF3E
28 MHz
5 PPM
Simplex / Semi - duplex, Press to talk
-300 C to 550 C
8
B.
B1.
B2.
B3.
B4.
B5.
B6.
B7.
TRANSMITTER
RF Power Output
Frequency Deviation
Modulation Sensitivity
Modulation distortion
Modulation fidelity
Spurious and Harmonics
Output Impedance
10 to 25 Watt
+/- 5 kHz (W type), +/- 2.5 kHz (N type)
80mV for 60% max. deviation at 1000Hz.
Better than 5%
Within +1, -3 dB of 6 dB / Octave
-36 dBm (.25uW)
50 
C.
C1.
C2.
C3.
C4.
C5.
RECEIVER
Sensitivity
Selectivity
Image and Spurious rejection
AF distortion
Audio output
C6.
C7.
Squelch Sensitivity
AF Response
0.3v / -118 dbm at 12 dB SINAD
Better than 60 dB
Better than 65 dB
Better than 5%
Better than 250 mw with less than 5% distortion
at 1 kHz ref. measured at specified AF output.
Better than –119 dbm
Within +1 , -3 dB of 6 dB / Octave
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 20 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
6.3
Specs of Telephone Instrument
6.4
Specs of Stacked Dipole Omni Directional Antenna
Sl No
Ver 3.0
CACT approved
Parameters
A
A01
A02
A03
A04
A06
A08
A09
ELECTRICAL SPECIFICATIONS
Frequency Range – MHz
Bandwidth – MHz
Impedance – Ohms
VSWR – less than
RF Power handling capacity – Watt
Termination
Lightening Protection
B
B01
B02
B03
B04
B05
B06
B07
B08
B11
MECHANICAL SPECIFICATIONS
Support Pipe Material
Support Pipe Length – feet
Support Pipe O D – mm
Support Pipe Wall Thickness – mm
Radiating Elements Material
Radiating Elements Material O D – mm
Radiating Elements Mounting Clamp
Mounting Clamp for Antenna
Shipping Length - Feet
Characteristics
146 - 174
10
50 unbalanced
1.5
100
N – female
Direct Ground
Aluminum
12
50
2.5
Aluminum
12
Cast Iron / Aluminum
Cast Iron / Aluminum
6.5
6.5
Specs of Antenna Cable
Sl No
Parameters
A1
Length
A2
Size
A3
Jacket
A4
Outer Diameter
A5
Characteristic Impedance
A6
Average Power Rating
A7
Attenuation
Characteristics
As per site requirement
RG 217 Low Loss Cable
Polyethylene Black
14 mm
50 + / - 1 ohm
1.00 kW at 100 MHz
0.05 dB / Mt at 100 MHz
6.6
Specs of 12 Volts Battery (SMF battery)
Sl No
Parameters
A1
Voltage
A2
Backup Capacity
A3
Can work with Radio
A4
Maintenance
Characteristics
12 V
Min 65 AH
25 W
Free Maintenance
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 21 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
6.7
Specs of Solar Panel
Sl No
Parameters
A1
A2
A3
A4
A6
Current at Pm
Solar Panel Open Circuit Voltage
Voltage at Pm
Charging Type
Short Circuit Current
Ver 3.0
Characteristics
Max 1.17 Amps to 2.5 Amp
19.2 V max
Max 17 Volt
Constant Current & Constant Voltage
1.34 Amps
6.8
Terminals / Connectors:
6.8.2
D Link or similar make RJ11 & RJ45 connectors shall be used to connect the 2W
telephone sets / lines / PC to eliminate any inadvertent disconnection of the input /
output lines.
6.8.3
All other connectors like antenna, power and solar panel shall be lockable so that it can not
get disconnected inadvertently
6.8.1
It is necessary to terminate the 2W / 4W input lines through screw terminals /
connectors to achieve lowest contact resistance & to avoid possibility of corrosion
due to different climatic conditions, all metallic parts of the connectors / terminals
should be non ferrous. The terminals & connectors should have locking arrangement
so that input lines to the equipment should not get disconnected inadvertently.
Terminals / Connectors to be used shall be in compliance with DIN VDE 0627, 993 –
05 and UL / CSA similar to phoenix contact MSTB 2.5 (2 to 24 positions ) – GF 5.08
& MSTB 2.5 (2 to 24 positions ) – STF 5.08
6.9 The Earthing arrangement shall be provided by the Railways & is not the part of the equipment
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 22 of 27
7.0
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
Environmental Conditions
The equipment shall be designed to comply environmental conditions as envisaged in Department of
Telecommunication quality management document QM 333 in category B - 2.
8.0
Warranty
The equipment shall have a minimum warranty of 1 year with a liability of technical support like
stores, AMC and technical guidance for another 5 years or as per the tender requirements of the
Railway
9.0
Type Approval
The ASM / LC gate control equipment should have type approval from RDSO. The type approval test
shall include factory test and climatic test to check the compliance of the specified parameters. The
test shall be conducted as per test procedure to be prepared and submitted by the manufacture,
RDSO may modify the test procedure, if required. The type approval test shall be conducted
preferably at RDSO / Lucknow. However, in case of any difficulty of infrastructure or any other facility
at RDSO, Lucknow, the type approval test may be conducted either at Manufacturer factory or in any
other mutually agreed test Laboratory. All instrumentation and set up required for the test shall be
provided by the manufacturer.
Note: A complete set of items as per clause 2.3.2 and 2.3.3 will be submitted for Type
approval. However Type Tests will be carried out on items 2.3.2 and 2.3.3 only.
Other items will be from DGS&D/DCPW approved source. The certificate of the
same shall be submitted at the time of approval.
9.1
Type Tests
Number of samples for type test shall consists of one ASM control equipment and one LC
gate equipment with all accessories
The type approval of the equipment shall consist of following tests.
9.1.1 ‘BURN-IN’ Test: The equipment shall be ‘BURN-IN’ for a period of one day at 50o C prior to
the actual measurement of parameters. During the burn - in the equipment shall be kept in
‘ON’ condition.
9.1.2
Bench Tests: After ‘BURN – IN’ Test, full functional tests shall be conducted as per
specifications.
9.1.3
Environmental Testing
The ranges of ambient temperature and humidity within which the equipment performance
will be tested as per QM-333, Table 4.3, Category- B as given below
a)
Ambient temp. range over
0 C to 50
which specification are
guaranteed ( 50% RH at max. temp.)
b)
Ambient temp. range over
-5 C to 55C
which equipment is to remain
operational without causing irreversible
damage (50% RH at max. temp)
c)
Storage temperature (50% RH at
max. temp) without causing
irreversible damage.
-5 C to 60C
d)
Max. temp. for which specification
are guaranteed at 95% humidity
35 C
e)
Maximum temp. range at which
Equipment shall survive at 95% RH
40 C
Applicable for
thermal cycle only
Applicable for damp
heat steady state
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 23 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
The environmental testing shall be conducted at per specification No. QM 333 for environmental testing
of electronic equipment for transmission and switching use issued by DOT in Sept. 1990 (with latest
amendment). The testing shall be as per category ‘B2’ and following tests shall be carried out.
9.1.3.1
9.1.3.2
9.1.3.3
9.1.3.4
9.1.3.5
Dry Heat : 55 + 20 C, Duration : 12 hours
Damp heat (cyclic)
Duration : 12 hours
First Cycle of two cycles
Upper temperature : 400 C
Variant : 1
Rapid temp. cycling
Low Temperature : -00 C + 3 0 C
High Temperature : 550 C + 2 0 C
Rate of change of temperature over a period of not more than 5 minutes shall be
+ 0.2 0 C per minute.
Duration of Exposure : 3 hours
Damp heat steady state
Duration : 4 days
Temperature : 35 + 2 0 C
Relative Humidity : 95 + 0 or 95 –2% in the temperature range
Vibration
Frequency : 5 to 350 Hz
Vibration Amplitude : +/- 6 mm constant displacement
Duration at Resonance : 2 hours at each axis
Magnitude of “g”: 1.5
9.1.4
Surge / Transit Testing
Manufacture and assembly of this equipment shall be made according to the
standard practices adopted by International Electro - Technical Commission
(IEC61000-4-5). The equipment shall undergo testing on Surge / Transient as per
latest guidelines as follows.
Pulse : 1.2/50 uSec.
Amplitude : 0.5 KV (DM)
1.0 KV (CM)
No. of Pulse : 5 in each polarity Positive and Negative.
EUT : Energised condition
Test method : IEC61000-4-5
9.1.5
Final Test: After competition of all above said tests as explained in Para 9.1 ,
final functional test and measurement of electrical parameter shall be conducted.
9.1.6
Field Trial
On competition of all the tests mentioned in Para 9.1.1, 9.1.2, 9.1.3, 9.1.4, field
trial for four to six weeks will have to be conducted by installing complete
equipment in a selected station and gates to judge the performance of the
system.
9.2
After successful completion of all tests and field trail, as per Para 9.1, Type
Approval Certificate may be issued.
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 24 of 27
10.0
10.1
10.2
10.3
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
Inspection
The inspection and test shall be carried out to the satisfaction of inspecting authority.
The purchaser or his nominee shall have the right to be present during all stages of
manufacture and shall be accorded all reasonable/complete facilities to satisfy himself that LC
gate Control Equipment are being manufactured in accordance with the terms and conditions
of the specification. The purchaser or his nominee shall have the right to reject any material
that fails to confirm to the specification.
Test certificates incorporating the results of the routine test and other manufacturing tests
must be furnished in duplicate prior to the inspection for the use of purchaser/his nominee.
10.4
Burn – In Test
The equipment shall be burn – in for a period of one day at 50 o C prior to the actual
measurement of the parameters. During the burn-in, the equipment shall be kept in ‘ON’
condition.
10.5
Visual Inspection
10.5.1 The equipment shall be visually inspected to ensure that it is free from any cracks or
any other imperfection including marking and painting etc
10.5.2 The equipment shall be checked to satisfy general requirement as per Para 11 & 14
10.6
Tests
After burn - in and visual inspection, full functional tests shall be conducted as per Para 5.1
and Para 5.2.
10.7
Acceptance Tests
Acceptance Test shall comprise of the following tests taken in sequential order as follows
10.7.1 Visual Inspection ( Para 10.5 )
10.7.2 Electrical Characteristics Tests ( Para 6.1.1 & 6.1.2 )
10.7.3 Performance Test ( Para 5.1 & 5.2 )
10.8
Routine Tests
Following routine tests shall be conducted by the manufacturer on all the LC Gate Control
Equipments
10.8.1 Visual Inspection ( Para 10.5 )
10.8.2 Electrical Characteristics Tests ( Para 6.1.1 & 6.1.2 )
10.8.3 Performance Test ( Para 5.1 & 5.2 )
10.9
Technical Literature
Technical literature consisting of principles of working, circuit / block diagram maintenance
and trouble shooting procedures, assembly drawing, spares parts catalogue, printed card
layout diagram, along with the position of the components as per circuit diagram, shall be
supplied along with equipment unless otherwise not desired by the user Railway.
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 25 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
11.0 MARKING
11.1
The following information shall be clearly embossed / engraved / screen-printed at a conspicuous
places.
a)
Item Name
b)
RDSO Specification Number
c)
Name or Monogram of the Manufacturer
d)
Year of manufacture
e)
Serial Number
11.2
Any other information specially requested and required by Purchaser.
12.0 SAMPLING:
12.1
Unless otherwise agreed to the purchaser and the supplier, the double sample plan given as below
shall be adopted:
Lot consisting LC Gate
Control Equipment
1
Under 25
25 to 50
51 to 100
101 to 200
201 to 300
301 to 500
1st Sample size
(NI)
2
3
7
10
13
20
25
2nd Sample
size (N2)
3
6
14
20
26
40
50
Combined Sample
size (N1 + N2)
5
9
21
30
39
60
75
Acceptance
Number (C1)
5
0
0
0
0
1
1
Rejection
Number (C2)
0
2
3
3
5
5
6
12.2
The number of Level Crossing gate control equipment (NI) as given in Col.2 shall first be selected and
subjected to the acceptance test. If in the first sample, the number if defective LC Gate Control
Equipment, that is those failing in one or more acceptance test is less than or equal to the
corresponding number (C1) given in Col.5, that lot shall be considered as conforming to the
requirement of the acceptance test. If the number of defective level crossing gate control equipment
in the first sample is greater than or equal to the rejection number in Col.6, the lot shall be
considered as not conforming to the requirements of the acceptance test. If number of defective level
crossing gate control equipment in the first sample lies between C1 and C2 a second sample of size
N2 as given in Col.3 shall be selected and subjected to the acceptance test. If in the combined
sample, the number of defective level crossing gate control equipment is less than C2, the lot shall be
considered as conforming to the requirement of acceptance test.
12.3
The Sample shall be selected at random from at least 10% of the Packages. For random selection of
packages, all the packages in the lot shall be arranged in a serial order and every ‘r’ the package shall
be selected until the requisite number of Packages is obtained.
‘r’ being the integral part of :
13.
Total number of packages in the lot
-------------------------------------------------Total number of Packages to be selected
REJECTION
Any of the materials, which do not comply with the requirements of this specification, may be
rejected.
14.
PACKING
Equipment shall be suitably packed so as to avoid any damage or loss during storage and transit.
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 26 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
Annexure - A
SEQUENCE OF TYPE TEST
Two Samples ( Para 9.1 )
Visual Inspection ( Para 10.5 )
Performance Test ( Para 5.1 & 5.2 )
Electrical Characteristics ( Para 6.1.1 & 6.1.2 )
One Sample
Environmental Test
( As per Para 9.1.3.1, 9.1.3.2, 9.1.3.3, 9.1.3.4 )
Vibration Test
( As per Para 9.1.3.5 )
One Sample
Surge / Transit Testing
( As per Para 9.1.4 )
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.
Page 27 of 27
Effective from 01.07.2007
RDSO / SPN / TC / 049 / 2003
Ver 3.0
Annexure - B
*****END*****
This specification is the property of RDSO. No reproduction shall be done without the permission from DG (Telecom)/ RDSO / Lucknow.