Appendix C Pinouts; Network (Usoc Rj-48C); Control Chain In (Rj-48); Table C-1. Network Pin Assignments - ADTRAN 1203060L1 User Manual

Pinouts
Appendix C

NETWORK (USOC RJ-48C)

On the rear panel, the TSU LT has an eight-position modular jack labeled
used for connecting to the T1 network. See Table C-1 for the network connector pin assignments.
Pin Name
1 R1 RXDATA
2 T1 RXDATA
3 UNUSED
4 R TXDATA
5 T TXDATA
6, 7, 8 UNUSED

CONTROL CHAIN IN (RJ-48)

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.
Pin Name
1 GND
2 UNUSED
3 RXDATA
4 UNUSED
5 TXDATA
6 UNUSED
7 RI
8 UNUSED
61203060L1-1A

Table C-1. Network Pin Assignments

Description
Receive data from the network - Ring
Receive data from the network - Tip
—
Send data towards the network - Ring
Send data towards the network - Tip
—

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.
—
© 2003 ADTRAN, Inc.
. This connector is
NETWORK
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