Philips SOPHO 2000 IPS User Manual page 296

NOTE 4: Set SW2-1 and SW2-2 as follows:
PRT0
CONDITIONS
SW
2-1
When one PRT is
ON OFF
provided.
When more than
one PRT is pro- ON OFF OFF ON OFF OFF
vided.
NOTE 5:
When the PBX is a clock source office, set the SW2-1 and SW2-2 on all the PRT cards mounted
in PIM0 to "OFF".
NOTE 6: Mount the PRT card which receives a source clock signal into PIM0.
NOTE 7: This card must be reset after the SW2-3 to SW2-7 switch settings. Set the MB switch to UP and
then DOWN.
NOTE 8: This switch setting is required when providing A-law/µ-law conversion for PRT in Taiwan. And
for PRT, A-law/µ-law setting by CMAA Y=17 is required in addition to the switch setting (Set-
ting SW3-3 to ON).
NOTE 9:
To provide A-law/µ-law conversion for PRT, the firmware program SC-3712 IPS PRTDA
PROG-B1 or later is required.
PRT1 PRT2
SW SW SW SW
2-2 2-1 2-2 2-1
– – –
· · · · ·
PRT7
SW SW
2-2 2-1
– –
OFF OFF
– 282 –
PN-DTB (PRT)
REMARKS
SW
2-2
MP card will receive the
– clock signal from PRT0 at
its PLO0 input.
MP card will receive the
clock signal from PRT0 at
its PLO0 input, under nor-
mal conditions.
Should a clock failure occur
with PRT0, MP card will
automatically switch to the
PLO1 input which gets
clock from PRT1.
NWA-008852-001 Rev.5.0
98ch4002.fm
JULY/13/2007