Control Chain-In; Table C-2. Chain-In Pin Assignments - ADTRAN TSU LT User Manual

Appendix C. Pinouts

Control Chain-In

Use the Chain-In connector as an EIA-232 port for connection to a computer or modem. See Table C-2 for
the pin assignment for this connector.
Connector Type
Product Number
Pin Name
1 GND
2 UNUSED
3 RXDATA
4 UNUSED
5 TXDATA
6 UNUSED
7 RI
8 UNUSED
66
RJ-48
AMP# 555164-2

Table C-2. Chain-In Pin Assignments

Description
Ground connected to unit chassis.
—
Data received by the TSU.
—
Data transmitted by the TSU.
—
Ring indicate from modem.
—
© 2002 ADTRAN, Inc.
TSU LT User Manual
61202060L4-1