NEC ND-70919 IP Phone User Manual


 
NEAX2000 IVS
2
ISDN System Manual
Page 150 ND-70919 (E), Issue 1.0
CHAPTER 4 CIRCUIT CARD INFORMATION
PN-BRTA (BRT)
NOTE 3: Set the SW0-2 and SW0-3 as follows:
NOTE 4: When the system is a clock source office, set the SW0-2 and SW0-3 on all the BRT
cards mounted in PIM0 to OFF.
NOTE 5: Mount the BRT card which receives a source clock signals into PIM0.
CONDITIONS
BRT0 BRT1 BRT2 ---- BRT11
REMARKS
SW
0-2
SW
0-3
SW
0-2
SW
0-3
SW
0-2
SW
0-3
----
SW
0-2
SW
0-3
When one
BRT is
provided.
ON ON
MP card will receive the
clock signal from BRT0 at
its PLO0 input.
When more
than one BRT
is provided.
ON ON ON OFF OFF ON ---- OFF ON
MP card will receive the
clock signal from BRT0 at
its PLO0 input, under nor-
mal conditions.
If a clock failure occurs with
BRT0, MP card switches to
the PLO1 input which gets
clock from BRT1.