Dcp Looparound Test - Avaya 6424D+M User Manual
Avaya 6424d+m: users guide
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Also See for 6424D+M:
- User manual (178 pages) ,
- Quick reference card (6 pages) ,
- Features manual (4 pages)
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Chapter 6: Test Descriptions
Page 6-6
DCP LOOPAROUND TEST
A mode of operation in which the DEFINITY High Speed Link
retransmits the received digital line signal back to the switch.
Only the switch can activate the DCP Looparound test.
Local DTE
FIGURE 6-6
DCP Looparound Test
This test is conducted by switch maintenance personnel when line
problems are encountered. Passing this test indicates that the
digital line and the line interface circuits in the HSL are operating
properly.
DEFINITY
High Speed Link
Transmitter
Receiver
Communications System
DEFINITY High Speed Link
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