User manual

Diagnostics & Troubleshooting
Self-Tests
7-12 July 2004 Wide Bank 28 DS3 - Release 2.4
The DS1/E1 Test
1. Sends AIS toward DS1/E1.
2. Performs internal self-test on low-speed DS1/E1 circuits.
3. Loops unframed PRBS test signal through ASIC on high-speed card.
Figure 7-2 Low-Speed Circuit Self-Test
Low-Speed Card Self-Test
This performs the preceding low-speed circuit self-test on all four DS1 (or three E1) circuits on a
low-speed card.
(A:Active)> test ds1card 5
This will interrupt traffic. Continue (y/n)? Y
Testing DS1 card 5 ...
DS3 Card Self-Test
(A:Active)> test ds3
This will interrupt traffic. Continue (Y/N)? Y
Testing DS3 ...
DS3 Self Test: pass
The DS3 Test
1. Sends AIS toward DS3 and DS1/E1.
2. Performs internal self-test on M13 Framer.
Perform
Self-Test
Send AIS
Relays
Trans-
ceiver
Selector
M13
Framer
Trans-
ceiver
Relays
LS Card HS Card
Toward DS1/E1
DS1/E1 DS3
Send AIS
Toward DS3
AIS only on
Tested Circuit