Nortel Meridian 1 Option 11C, Administration And Maintenance

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Page 364 of 492 Chapter 8 — Service changes and maintenance
553-3011-311 Standard 7.0 May 1999
5 Take the far-end ISDN BRI trunk DSL out of remote loopback mode
by entering the DSRB c dsl# command, and pressing the ENTER
key.
The the far-end and near-end ISDN BRI trunk DSLs are placed in the test
mode.
6 Take the far-end and near-end ISDN BRI trunk DSLs out of test
mode by entering the DSTS c dsl# command, and pressing the
ENTER key.
The ISDN BRI trunk DSLs are reset in their release or established state.
7 Enable the ISDN BRI trunk DSL by entering the ENLU command.
SILC fault isolation or UILC fault isolation and correction
The SILC and UILC intelligent peripheral cards provide eight S/T interfaces
and eight U interfaces respectively, which are used to connect ISDN BRI
compatible terminals or trunks over DSLs to the Option 11 system.
Procedure 8-6: Checking the SILC or UILC status
The diagnosis in Table 22 indicates that an SILC or a UILC may be faulty,
not equipped, or disabled. The first step in identifying the problem is to verify
the status of the card.