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Physical Description
3166-A2-GB20-20
The Model 3166 DSU/CSU consists of a circuit card with front panel, and a rear
connector module. It is designed to be mounted in the 3000 Series Carrier.
T
N E
I C
S T
N O
L
N E
A G
A N
D I
C H
1
R T
P O
M
C O
Rear Connector
Module
Table 1-1. 3166 DSU/CSU Rear Connector Module Connectors
Name
NET
DIAGNOSTIC CHANNEL
PORT 1
COM
March 1999
S e
le c
t
O K
F a
il
T e
s t
S ig
N E
T
O O
A lr
E E
D T
P o
r t 1
T X
R X
C T
R T
N e
t
M o
n
I n
O u
t
D S
U / C
S U
3 1
6 6
Circuit Card and
Front Panel
Function
Network interface. Provides access to the T1 network.
Provides diagnostic connectivity to other 3166 DSU/CSUs
or a T1 auxiliary backplane.
DTE port. Used to connect the customer's synchronous
data DTE to the DSU/CSU.
Communications port. Provides access to a locally
connected PC, ASCII terminal or printer, or SNMP
management link.
Introduction
98-16076
1-3
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