Nortel Networks Video Gaming Accessories 553-3001-211 Manual De Usuario

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 NT5D97 Dual-port DTI2/PRI2 card
Reference clock errors
CS 1000 Release 4.0 software checks at intervals of 1 to 15 minutes to see if 
a clock controller or reference-clock error has occurred. (The interval of this 
check can be configured in LD 73).
In tracking mode, at any one time, there is one active clock controller which 
is tracking on one reference clock. If a clock controller error is detected, the 
Figure 74
Clock Controller primary and secondary tracking
553-7401
Primary
clocking
source
Primary
Reference
Secondary
Reference
J1
J2
J3
Clock Controller
Backup
Clock
Controller 0
Clock
Controller 1
J1
J2
J3
Primary
Primary
Secondary
Secondary
REF 1
REF 2
REF 1
REF 2
Secondary
clocking
source