Nortel Communication Server 1000S Installation And Configuration Manual page 96

Page 96 of 394 ISDN Primary Rate Interface equipment overview
553-3001-201 Standard 2.00
Table 20
Clock Controller options - description (Part 2 of 2)
Clock Option Notes
Option 3 This option provides a Dual CPU system with 2
references of a clock source derived from port 1 of the
DDP.
Connector Clk0 provides a Ref 1 clock source from Port
1.
Connector Clk1 provides a Ref 2 clock source from Port
1.
Refer to Figure 33 "Clock Controller - Option 3"
Option 4 This option provides a Dual CPU system with 2
references from each clock source derived from the
DDP.
Connector Clk0 provides a Ref 1 clock source from Port
0.
Connector Clk1 provides a Ref 2 clock source from Port
0.
Connector Clk0 provides a Ref 1 clock source from Port
1.
Connector Clk1 provides a Ref 2 clock source from Port
1.
Refer to Figure 34 "Clock Controller - Option 4"
September 2004