Nortel Networks NN43001-301 - Manual (Page 54)

54 ISDN Primary Rate Interface equipment overview
Clock Option Notes
Connector Clk1 provides a Ref 2 clock source from
Unit 0.
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 22 "Clock Controller - Option 4" (page
57) .
Figure 19
Clock Controller - Option 1
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
.