Adtran 904 快速安装指南

Quick Start Guide, 61210908L1-13C, November 2006

Copyright © 2006 ADTRAN, All Rights Reserved

For more detailed documentation, visit us online at 

www.adtran.com

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1

R

Transmit data toward the DTE (Ring)

2

T

Transmit data toward the DTE (Tip)

3

—

Unused

4

R1

Receive data from the DTE (Ring 1)

5

T1

Receive data from the DTE (Tip 1)

6-8

—

Unused

1

R1

Receive data from the network (RIng 1)

2

T1

Receive data from the network (Tip 1)

3

—

Unused

4

R

Transmit data toward the network (Ring)

5

T

Transmit data toward the network (Tip)

6-8

—

Unused

1

TX1

Transmit Positive

2

TX2

Transmit Negative

3

RX1

Receive Positive

4, 5

—

Unused

6

RX2

Receive Negative

7, 8

—

Unused

A single 50-pin female amphenol connector provides the interconnect wiring for the analog circuits 
(FXS). Refer to the Total Access 900 Series Hardware Installation Guide on the ADTRAN OS System 
Documentation CD for a detailed pinout.

An optional battery backup system (P/N 1200641L1) is available for the Total Access 904/908. Refer 
to the documentation available for your specific battery backup unit for more information on this 
connection.

More detailed documentation for configuring your ADTRAN unit is provided on the ADTRAN OS 
System Documentation CD included in your shipment. For more detail on hardware setup, refer to the 
Hardware Installation Guide. For more detail on configuring your system, refer to the ADTRAN 
Operating System (AOS) Command Reference Guide, configuration guides, and technical support 
notes.

1

DCD

Data Carrier Detect (output)

2

RD

Receive Data (output)

3

TD

Transmitted Data (input)

4

DTR

Data Terminal Ready (input)

5

GND

Ground - connected to unit chassis

6

DSR

Data Set Ready (output)

7

RTS

Request To Send - flow control (input)

8

CTS

Clear To Send - flow control (output)

9

RI

Ring Indicate (output)