Technical Specification for - Gujarat Electricity Board

TECHNICAL SPECIFICATION FOR
SDH/PDH Equipment with integrated Access Multiplexer
DESCRIPTION :
Capacity
Teleprotection interface:
Integrated distance teleprotection interface
YES
Integrated optical teleprotection interface
YES
Addressing of protection commands
YES
Loop test for measuring delay time
YES
1+1 switch-over less than 10ms YES
TRANSPORT LEVEL: Interfaces:
Optical STM-4 interface supported
YES
Optical STM-1 interface supported
YES
SDH based on SFP technology
YES
Electrical SDH interface
YES
Optical 8Mbit/s interface
Yes
HDB3, 2Mbit/s interfaces per module No. Minimum 8
Complying to ITU-T rec.
G.703, transparent
G.704, selectable
DSL interface:
DSL type / line code
G.SHDSL
2Mbit/s: Number of copper wires number 4 or 2
USER INTERFACES
Voice module for trunk lines:
1+1 com path protection, individually programmable YES
Analogue, 4wire with E&M: Input level / Output level dBr +9.5 to –16 / +7.0 to –16.5
Analogue, 2wire with E&M: Input level / Output level dBr +9.5 to –12.5 / –1.0 to -20
Digital, 2Mbit/s CAS or PRI
YES
Minimum number of ports/interface number 8 ports
Voice interfaces for remote subscriber:
2wire, subscriber side dBr -5 … +4 / -7.5 ... -1
Minimum number of subscriber No. 10
2wire, PABX side dBr -5 … +4 / -7.5 ... -3
Minimum number of PABX ports/interface number 10 ports
Integrated teleprotection
Interface for Commands Tx/Rx for DPS:
4 Commands/interface
Number of independent commands Min.
Max.
number 4 Commands
32 Commands
Transmission time max. ms 6
Protection voltage max. VDC 250
1 + 1 com path protection YES
Digital Display type counter module to count Tx & Rx command
YES
operation for each command with count storage circuitry , Selectable
working Voltage 48V/110V/220V and with arrangement on front of
module to reset counter (Tx & Rx) for each command separately.
Sign & Seal of Bidder
GETCO/E/TS-SDH/PDH FOTE/R1, Dt:16.04.2011
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