Nortel Networks NN43001-301 manual Clock Controller options description Clock Option, DDP2, Unit

NT5D97 Dual-port DTI2/PRI2 card 53

Table 14

Clock Controller options - description

Clock Option	Notes
Option 1	This option provides a single CPU system with 2 clock
	sources derived from the 2 ports of the DDP2.
	Connector Clk0 provides a clock source from Unit 0.
	Connector Clk0 provides a clock source from Unit 1.
	Refer to Figure 19 "Clock Controller - Option 1" (page
	54).
Option 2	This option provides a Dual CPU system with 2
	references of a clock source derived from port 0 of the
	DDP2.
	Connector Clk0 provides a Ref 1 clock source from
	Unit 0.
	Connector Clk1 provides a Ref 2 clock source from
	Unit 0.
	Refer to Figure 20 "Clock Controller - Option 2" (page
	55)
Option 3	This option provides a Dual CPU system with 2
	references of a clock source derived from port 1 of the
	DDP2.
	Connector Clk0 provides a Ref 1 clock source from
	Unit 1.
	Connector Clk1 provides a Ref 2 clock source from
	Unit 1.
	Refer to Figure 21 "Clock Controller - Option 3" (page
	56)
Option 4	This option provides a Dual CPU system with 2
	references from each clock source derived from the
	DDP2.
	Connector Clk0 provides a Ref 1 clock source from
	Unit 0.

Nortel Communication Server 1000

ISDN Primary Rate Interface Installation and Commissioning

NN43001-301 02.03 Standard

Release 5.5 7 December 2007

Copyright © 2003-2007, Nortel Networks