Nortel Networks 1000 User Manual
Page 305
Man-Machine E1 maintenance interface software
305
however, the
STOP
command terminates a test set to any duration from
one to 99. After entering the test number, a prompt similar to
"Test parameters screen" (page 305)
appears.
Figure 76
Test parameters screen
Before a test is run, be sure to verify that the card is disabled, as the tests
interfere with calls currently in process.
During a test, if an invalid word is received, this is recorded by a failure
peg counter. The peg counter has a limit of 65,000. At the end of the test,
the Test Results message indicates how many failures, if any, occurred
during the test.
Table 113 "MMI Tests" (page 305)
shows which test to run for the
associated equipment.
Table 113
MMI Tests
Test number
Equipment Tested
Test Description
1
LEI
Local loopback
2
E1 link, LEI, and E1
network
External loopback
3
CPE device and E1
network
Network loopback
Test 1, local loopback, loops the E1 link signaling toward itself at the
backplane connector. Test data is generated and received on all timeslots.
If this test fails, it indicates that the LEI is defective.
illustrates how the signaling is looped back
toward itself.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
02.06
Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.