Table B-2. Control-In/Chain-In Pin Assignments - ADTRAN ESU LT User Manual

Appendix B. Pinouts
Control-In/Chain-In
70
Use this as an EIA-232 port for connection to a computer or
modem (chain-in) or another ESU (chain-out). See Table B-2
for the pin assignment for this connector.
Connector Type

Table B-2. Control-In/Chain-In Pin Assignments

Pin Name
1 GND
2 UNUSED
3 RXDATA
4 UNUSED
5 TXDATA
6 UNUSED
7 RI
8 UNUSED
ESU LT User Manual
RJ-48
Description
Ground connected to unit chassis.
—
Data received by the ESU.
—
Data transmitted by the ESU.
—
Ring indicate from modem.
—
61200410L1-1B