ADTRAN TSU 120e - Manual (Page 121)

Appendix C. Network Pinouts
61202129L1-1 TSU 120 User Manual C-3
Chain Out
This is used to connect to another TSU 120 chain-in connector.
See Table C-3 for the pinout for the chain-out connector.
Connections
The chain-out connections are as follows:
Connector type RJ-48
Part number AMP# 555164-2
Table C-3. Chain Out Pinout
Pin Name Description
1 GND Ground - connected to unit chassis. Connected to
GND of next unit (pin 10).
2 UNUSED
3 TX DATA Data transmitted to chained units by the TSU 120.
Connect to RX DATA of the next unit (chain-in pin
3).
4 UNUSED
5 RX DATA Data received from chained units by the TSU 120.
Connect to TX DATA of the next unit (chain-in pin
5).
6,7,8 UNUSED