ADTRAN 1202076L2 - Manual (Page 108)

Appendix C. Network Pinouts
C-2 TSU 600 User Manual 61202076L1-1
Control In/Chain In
This is used as an EIA-232 port for connection to a computer or modem
(Control-in) or to another TSU 600 or TSU 100 (chain-in). See Table C-2,
Control In/Chain In Pinout for the pinout for the control-in/chain-in con-
nector.
Chain-in Connections
The chain-in connections are as follows:
Connector Type RJ-48
Part Number AMP# 555164-2
Table C-2. Control In/Chain In Pinout
Pin Name Description
1 GND Ground-connected to unit chassis
2 RTS Request to send-flow control
3 RXDATA Data received by the TSU 600
4 UNUSED
5 TXDATA Data transmitted by the TSU 600
6,7 UNUSED
8 CTS Clear to send -- flow control