– 380 – NWA-008853-001 Rev.3.0
97ch4001.fm
NOTE 3: Set SW-1 and SW-2 as follows:
NOTE 4: When the PBX is a clock source office, set the SW-1 and SW-2 on all the CCT cards mounted in
PIM0 to “OFF”.
NOTE 5: The following two kinds of rate adaptation method are available in 48 Kbps data transmission.
The rate adaptation method must be set to match the rate adaptation of clock source office.
NOTE 6: Mount the CCT card which receives a source clock signal into PIM0.
CONDITIONS
CCT0 CCT1 CCT2 · · · · · CCT7
REMARKS
SW
-1
SW
-2
SW
-1
SW
-2
SW
-1
SW
-2
SW
-1
SW
-2
When one CCT is
provided.
ONOFF–––– ––
MP card will receive the
clock signal from CCT0 at
its PLO0 input.
When more than
one CCT is
provided.
ON OFF OFF ON OFF OFF OFF OFF
MP card will receive the
clock signal from CCT0 at
its PLO0 input, under nor-
mal conditions.
Should a clock failure occur
with CCT0, MP card will
automatically switch to the
PLO1 input which gets
clock from CCT1.
1 1
48 Kbps
Data
• SW1-3: OFF
1 1
48 Kbps
• SW1-3: ON
Data
JULY/01/2006
PN-30CCTA (CCT)
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