Avaya BCM50 User Manual page 41

should be no Secondary reference defined on any DTM/BRI. Note that
there should only be one defined Secondary clock source on a system.
 Internal: The DTM/BRI does not obtain timing from the network, but
transmits the
Primary/Secondary source, to equipment to which it is connected. Note
that while in the absence of a DTM Primary clocking source a BRI
module can be used for the primary timing reference, it is always
recommended that, when possible, DTM(s) be used as primary (and
secondary) clock sources and that any remaining DTMs/BRIs be set to
Timing Master.
3. The module type has been set. Any module specific settings will be
displayed in the lower window. Note that Line numbers will be
displayed in the Low and High fields for the module.
NN40010-318 Issue 1.2 BCM50 Rls 6.0
internally-generated
BCM50 System Start Up
system timing, from the
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