Aastra OpenCom 100 Series Mounting And Commissioning User Manual page 75

4. Insert the S module into the slots, making sure you insert the LED side of the
2M
module into the upper slot (B).
3 4
1 2
S slot
2M
(Underside of the module board)
Position of the LEDs on the
S module
2M
5. Wire the S port of the connector module to the NT or the other PBX according to
2M
the following drawing. Make sure the RX and TX lines are crossed over (connect
the RX lines of the OpenCom 130 / 150 to the TX lines of the other PBX).
PBX 1, S
2M
Rx+ Rx- Tx+ Tx-
Rx+ Rx- Tx+ Tx-
PBX 2, S
2M
(Pressure clamps)
Example of the wiring of the S2M port for two OpenCom 130 / 150s
S LEDs
2M
S Connector Module
2M
73