1 self-test -6, 1 self-test – Carrier Access Access Bank II SNMP User Manual
Page 127
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12-6
9/24/01
Figure 12-1: Loopback Legend
12.9.1 Self-Test
Figure 12-2: Self-Test
Voice
Channels
V.35
Data
Voice
Channels
V.35
Data
These are loops in the
"equipment" direction.
These are loops in the
"network" direction.
DS-1 Network
DS-1 Network
Voice
Channels
V.35
Data
Self-Test
Loop occurs at DS-1 (metallic (Tx to
Rx)),unit checks framing, no BERT
DS-1 Network
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