Appendix C Pinouts TSU LT 220V User Manual
56 © 2004 ADTRAN, Inc. 61203060L2-1A
CONTROL CHAIN OUT (RJ-48)
Use the Chain Out port to connect to another TSU LT 220V Chain In connector. Table C-3 shows the
pinout for this connector.
Table C-3. Chain Out Pin Assignments
Pin Name Description
1GND
Ground-connected to unit chassis. Connect to GND of
next unit (pin 1).
2 UNUSED —
3TXDATA
Data transmitted to chained units by the TSU. Connect
to RX DATA of the next unit (Chain In pin 3).
4 UNUSED —
5RXDATA
Data received from chained units by the TSU. Connect
to TX DATA of the next unit (Chain In pin 3).
6, 7, 8 UNUSED —
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