ADTRAN ATLAS 800 Series Module QUAD E1, User Manual, Page: 33 / 190

Chapter 2. Installing the ATLAS 800
61200180L1-1 ATLAS 800 User Manual 2-5
Control/Chain Out Port
The Control/Chain Out port (RJ-48C) connects to another ATLAS _ 800
Chain In connector. The Control/Chain Out port output provides the fol-
lowing:
• EIA-232 output to chain control other ATLAS Base Units
• 9600 or 2400 bps operation
• Automatic setup; no user input required
Connection
The Control Out/Chain Out connection follows, with the pinout shown in
Table 2-2.
Connector type RJ-48C
Part number AMP# 555164-2
Table 2-1. Control/Chain In Pinout
PIN NAME DESCRIPTION
1 GND Ground - connected to unit chassis
2 RTS Request to send - flow control
3 RXDATA Data received by the ATLAS _ 800
4 DTR Data terminal ready
5 TXDATA Data transmitted by the ATLAS _ 800
6 CD Carrier detect
7 UNUSED —
8 CTS Clear to send - flow control
Table 2-2. Control/Chain Out Pinout
PIN NAME DESCRIPTION
1 GND Ground - connected to unit chassis. Connects to GND
of next unit (pin1).
2, 4,
6,7,8
UNUSED —
3 TX DATA Data transmitted to chained units by the ATLAS.
Connects to RX DATA of the next unit (Chain In pin 3).
5 RX DATA Data received from chained units by the ATLAS.
Connects to TX DATA of the next unit (Chain In pin 5).