Nortel CS 1000 Series Installation And Commissioning Manual page 43

Automatic clock recovery is done upon the expiration of the free run guard
timer. Tracking is restored to the primary reference clock, if defined. If the
primary reference clock is disabled, tracking is restored to the secondary
reference clock, if defined.
Installing the SILC and the UILC
Follow the same procedures as described earlier for line applications (refer
to Procedure 5 "Installing the BRSC, SILC, and UILC" (page
Connecting the system to the Main Distribution Frame (MDF)
Follow the same procedures as described earlier for line applications (refer
to "Connect the modules to the MDF" (page
Cross-connecting the Main Distribution Frame (MDF)
The system, in TIE trunk or CO connectivity, requires a different wiring
configuration than for a line application; the transmit and receive pairs
should be reversed, as illustrated in
termination to the U interface and to the S/T interface (in TE mode)" (page
44).
Copyright © 2003-2009 Nortel Networks
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Installing ISDN BRI hardware for trunk applications 43
Nortel Communication Server 1000
ISDN Basic Rate Interface Installation and Commissioning
NN43001-318 03.01
11 May 2009
24)).
Figure 12 "Connect the network
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