NEC NEAX 2000 IPS System Manual page 401

NOTE 3: Set SW2-1 and SW2-2 as follows:
CCT0
CONDITIONS
SW
2-1
When one CCT is
ON OFF
provided.
When more than
one CCT is pro- ON OFF OFF ON OFF OFF
vided.
NOTE 4:
When the PBX is a clock source office, set the SW2-1 and SW2-2 on all the CCT cards mounted
in PIM0 to "OFF".
NOTE 5: Mount the CCT card which receives a source clock signal into PIM0.
NOTE 6: This card must be reset after the SW2-3 to SW2-7 switch settings. Set the MB switch to UP and
then DOWN.
CCT1 CCT2
SW SW SW SW
2-2 2-1 2-2 2-1
– – –
· · · · ·
CCT7
SW SW
2-2 2-1
– –
OFF OFF
– 387 –
PN-DTA (CCT)
REMARKS
SW
2-2
MP card will receive the
– clock signal from CCT0 at
its PLO0 input.
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.
NWA-008853-001 Rev.3.0
97ch4001.fm
JULY/01/2006