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CHAPTER 4 CIRCUIT CARD INFORMATION
PN-24PRTA (PRT)
NEAX2000 IVS
2
ISDN System Manual
ND-70919 (E), Issue 1.0
Page 173
NOTE 3: Set SW0-1 and SW0-2 as follows:
NOTE 4: When the PBX is a clock source office, set the SW0-1 and SW0-2 on all the PRT cards
mounted in PIM0 to OFF.
NOTE 5: Mount the PRT card which receives a source clock signal into PIM 0.
CONDITIONS
PRT0 PRT1 PRT2 PRT3 PRT4
REMARKS
SW
0-1
SW
0-2
SW
0-1
SW
0-2
SW
0-1
SW
0-2
SW
0-1
SW
0-2
SW
0-1
SW
0-2
When one PRT
is provided.
ONOFF––––––––
MP card will receive the
clock signal from PRT0
at its PLO0 input.
When more
than one PRT
is provided.
ON OFF OFF ON OFF OFF OFF OFF OFF OFF
MP card will receive the
clock signal from PRT0
at its PLO0 input, under
normal conditions.
If a clock failure occurs
with PRT0, MP card
automatically switches
to the PLO1 input
which gets clock from
PRT1.