Signals For Lid-2 (Line Interface Digital 2); Service Channel Interface; Remote Access Interface Ssr - Siemens SWT-3000 Equipment Manual

Installation and Commissioning

Signals for LID-2 (Line Interface Digital 2)

The signals for digital line interface 2 are fed from the PU3f via the SUB-D plug X2 to the back-
plane of the device. The pin assignment depends on the interface used.
Table 9:
Terminal
LID_21
LID_22
LID_23
LID_24
LID_25
LID_26
LID_27
LID_28
GNDS /Shield
GND / Signal
Table 10:
Signal name
X21RDA2
X21RDB2
X21TDA2
X21TDB2
X21RCA2
X21RCB2
X21TCA2
X21TCB2
GNDS
GND
Table 11:
Signal name
DI21
DI22
DO21
DO22
GNDS
GND
Service channel interface SC
Table 12:
Signal name
LID_SC_RX
LID_SC_TX
GND

Remote access interface SSR

Table 13:
Signal name
RxD
TxD
GND
Page - 16
Pin assignments for the LID-2
PU3f SUB-D plug X2
cable connector
a12
c12 11
a14
c14
b5
b6 13
b10
b12 14
a31 c31
a3 c3
Signals for the X-21 interface for LID-2
Function
Input: X.21 Receive data signal a
Input: X.21 Receive data signal b
Output: X.21 Transmit data signal a
Output: X.21 Transmit data signal b
Input: X.21 Receive clock signal a
Input: X.21 Receive clock signal b
Output: X.21 Transmit clock signal a
Output: X.21 Transmit clock signal b
Shielding
Signal reference potential
Signals for the G703.1 and G703.6 interface for LID-1
Function
Input: Data in signal 1
Input: Data in signal 2
Output: Data out signal 1
Output: Data out signal 2
Shielding
Signal reference potential
Signals for the service channel interface
SC connector Pin
2
3
5
Pin assignment of the remote access interface SSR
SSR connector Pin
2
3
5
Edition p3_3_2x 08/09
Module X.21
Pin Signal
4 X21_RxD_A2
X21_RxD_B2
2 X21_TxD_A2
9 X21_TxD_B2
6 X21_RxC_A2
X21_RxC_B2
7 X21_TxC_A2
X21_TxC_B2
1 GNDS / Shield
8 GND / Signal
Function
Output: Service channel receive data
Input: Service channel transmit data
Signal reference potential
Function
Receive data
Transmit data
GND
SWT 3000 Equipment Manual
Module G703.1 Module G703.6
Signal Signal
DI21 DI21
DI22 DI22
DO21 DO21
DO22 DO22
GNDS GNDS
GND GND
© SIEMENS AG 2008