Chapter 2. Installation

Control/Chain Out Port

The Control/Chain Out port (RJ-48C) connects to another ATLAS 550 Chain

In connector. The Control/Chain Out port output provides the following:

EIA-232 output to chain control to other ADTRAN equipment, such as a TSU 120.

2400, 9600, 19200, or 38400 bps operation

Automatic setup; no user input required

The Control/Chain Out connection follows, and Table 2-2 shows the pinout.

Connector type

RJ-48C

Part number

AMP# 555164-2

 

 

Table 2-2. Control/Chain Out Pinout

 

 

 

PIN

NAME

DESCRIPTION

 

 

 

1

GND

Ground - connected to unit chassis. Connects to GND

 

 

of next unit.

 

 

 

2

UNUSED

 

 

 

3

TX DATA

Data transmitted to chained units by the ATLAS 550.

 

 

Connects to RX DATA of the next unit.

 

 

 

4

UNUSED

 

 

 

5

RX DATA

Data received from chained units by the ATLAS 550.

 

 

Connects to TX DATA of the next unit.

 

 

 

6,7,8

UNUSED

 

 

 

Ethernet Connection

The Ethernet port (RJ-48C) provides a 10/100BaseT Ethernet LAN connec- tion, which is used for TFTP, SNMP, and Telnet connection. The network connection follows, and Table 2-3 shows the pinout.

Connector type (USOC)

RJ-48C

 

 

Part number

AMP# 555164-2

 

 

 

 

Table 2-3. Ethernet Pinout

 

 

 

 

 

 

 

PIN

NAME

DESCRIPTION

 

 

 

 

 

 

 

1

TX1

Transmit Positive

 

 

 

 

 

 

 

2

TX2

Transmit Negative

 

 

 

 

 

 

 

3

RX1

Receive Positive

 

 

 

 

 

 

 

4, 5,

UNUSED

 

 

 

 

 

 

 

6

RX2

Receive Negative

 

 

 

 

 

 

 

7, 8

UNUSED

 

 

 

 

 

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ATLAS 550 User Manual

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ADTRAN 550 user manual Control/Chain Out Port, Ethernet Connection, Control/Chain Out Pinout, Ethernet Pinout