Nortel Communication Server 1000S Installation And Configuration Manual page 98

Page 98 of 394 ISDN Primary Rate Interface equipment overview
Figure 32
Clock Controller - Option 2
Primary Reference
Secondary Reference
553-3001-201 Standard 2.00
DDP 1
Clk 0
Port 0
Clk 1
Clk 0
Port 1
Clk 1
DDP 2
Clk 0
Secondary Ref 1
Port 0
Clk 1
Secondary Ref 2
Clk 0
Port 1
Clk 1
A QPC720 may
be configured
as an alternative
to DDP2
Both References from Port 0
September 2004
Primary Ref 1
Primary
Ref 2
J1 Ref 1
Secondary Ref1
QPC720
J2 Ref 2
CC for CPU0
J1 Sec
J2 Pri
CC for CPU1
J1 Sec
J2 Pri
Secondary Ref 2
553-AAA0080