Nortel Communication Server 1000S Installation And Configuration Manual page 70

Page 70 of 394 ISDN Primary Rate Interface equipment overview
Figure 20
Clock Controller – Option 2
Primary
Reference
Secondary
Reference
An NT8D72BA may
be configured as an
alternate to DDP2
553-3001-201 Standard 2.00
DDP2
Primary Ref 1
clk 0
Port 0
Primary Ref 2
clk 1
Clk0
Port 1
Clk1
DDP2
Secondary Ref 1
clk 0
Port 0
Secondary Ref 2
clk 1
Clk0
Port 1
Clk1
NT8D72BA
Both references from port 0
September 2004
J1 Ref 1
J2 Ref 2
Clock Controller
for CPU 0
J1 Sec.
J2 Prim.
Secondary Ref 1
Clock Controller
for CPU 1
J1 Sec.
J2 Prim.
Secondary Ref 2
553-7403