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Introduction
1-33160-A2-GB21-50 January 1997
Physical Description
The 316x Series consists of a Model 3160 DSU/CSU
(2-port), a Model 3164 DSU/DSU (4-port), a Model 3165
DSU/CSU (1-port), and a Model 3161 (carrier-mounted)
DSU/CSU.
For more information about the carrier-mounted
DSU/CSU, refer to the ACCULINK 3151 CSU and 3161
DSU/CSU General Information Guide and the
COMSPHERE 3000 Series Carrier Installation Manual.
Standalone DSU/CSU Front Panel
The standalone DSU/CSU front panel 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 for the Model 3160/3164 DSU/CSU,
and two test jacks for the Model 3165 DSU/CSU
The front panels are shown in Figures 1-1, 1-2,
and 1-3.
F1 F2 F3
OK
FAIL TEST SIG OOF ALRM
NETWORK RXD
EER SIG ALRM PDVOOF BPV
LCD
3160
ACCULINK
In
Out
In
Out
In
Out
NET
MON EQPT
DTR TXD CTS RTS
496-1493
6
Figure 1-1. 3160 DSU/CSU Front Panel