APPENDIX A. CONNECTOR PIN DEFINITIONS
The following tables provide the pin assignments for the base unit, network interface modules (NIMs), and
dial backup interface modules (DIMs).
Base Unit Pinouts
Table A-1. 10/100BaseT Ethernet Port Pinouts
Pin
Name
1
TX1
2
TX2
3
RX1
4, 5
—
6
RX2
7, 8
—
Table A-2. CONSOLE Port (DCE) Pinouts
Pin
Name
1
DCD
2
RD
3
TD
4
DTR
5
SG
6
DSR
7
—
8
CTS
9
—
Connection directly to an external modem requires a cross-over cable.
61200890L1-34H
Description
Transmit Positive
Transmit Negative
Receive Positive
Unused
Receive Negative
Unused
Description
Data Carrier Detect (output)
Receive Data (output)
Transmit Data (input)
Data Terminal Ready (input)
Signal Ground
Data Set Ready (output) - Tied to pin 1
Unused
Clear to Send (output) - Tied to pin 1
Unused
Copyright © 2006 ADTRAN, Inc.
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