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Page 134 of 188 NTD12 Dual-port DTI/PRI card description and installation
553-2901-200 Standard 11.00 August 1996
Figure 33 - Clock Controller - Option 2
Both References from Port 0
Primary Ref 1
Clk 0
CC for CPU0
Primary Reference
DDP 1
Port 0
J1 Sec
J2 Pri
Clk 1
Port 1
Clk 0
Clk 1
CC for CPU1
J1 Sec
J2 Pri
Secondary Ref 1
Secondary Ref 2
Primary
Ref 2
QPC720
J1 Ref 1
J2 Ref 2
Secondary Ref 1
Secondary Ref 2
Clk 0
Secondary Reference
DDP 2
Port 0
Clk 1
Port 1
Clk 0
Clk 1
A QPC720 may
be configured
as an alternative
to DDP 2