NT5D97 Dual-port DTI2/PRI2 card Page 347 of 894

Figure 75

Clock Controller – Option 1

 

 

 

Clock

 

 

 

Controller 0

 

 

 

J1

Primary

REF 1

Primary

J2

 

clocking

Primary

 

J3

source

 

Reference

 

 

 

 

 

REF 2

Primary

 

 

 

 

 

 

 

Clock Controller

Secondary

 

Secondary

Backup

REF 1

 

 

 

clocking

 

 

Secondary

 

Clock

source

 

 

Reference

 

Controller 1

 

REF 2

Secondary

J1

 

 

 

 

 

J2

 

 

 

J3

 

 

 

553-7401

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.

Circuit Card Description and Installation

Page 347
Image 347
Nortel Networks 553-3001-211 manual Operation, Clock Controller Option