Physical Description - Paradyne 3172 Operator's Manual

Physical Description

The E1 DSU/CSU series of products consists of a
Model 3172 DSU/CSU (2-port) and a Model 3174
DSU/CSU (4-port).
Front Panel
The E1 DSU/CSU front panel (Figure 1-1) contains,
One 2-line, 16-alphanumeric-character-per-line
liquid crystal display (LCD)
One 7-button keypad (three Function and four
directional keys)
Twelve light-emitting diodes (LEDs)
Six test jacks
ACCULINK
NET
In
Out
TEST JACKS
3170-A2-GB20-30
NET EQPT
MON MON
In In
OK FAIL TEST
Out Out
Figure 1-1. Front Panel
Rear Panel
The E1 DSU/CSU rear panel contains the connectors
and switches required for the operation of the E1
DSU/CSU (Figures 1-2
switches are described in
LCD
F1 F2
SIG OOF ALRM EER SIG
NETWORK DTR
LEDs
March 1999
Introduction
and 1-3). The connectors and
Table 1-1.
KEYPAD
F3
OOF ALRM PDV BPV
TXD RXD CTS RTS
496-14539-03
1-3