Nortel Networks Circuit Card - Manual (Page 359)

NT5D97 Dual-port DTI2/PRI2 card Page 359 of 906
Circuit Card Description and Installation
Operation
The following discussion describes possible scenarios when replacing a
digital trunk NT8D72BA PRI2 card or QPC536E DTI2 card or NTCK43
Dual PRI card configuration with a NT5D97 DDP2 card configuration.
Figure 78
Clock Controller – Option 1
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