NEC NEAX IPS NWA-008869-001 - Manual (Page 48)

CHAPTER 2 INSTALLATION
– 38 – NWA-008869-001 Rev.1.0
atch2001.fm
NOTE 1: Set SW-1 and SW-2 as follows:
NOTE 2: When the PBX is a clock source office, set the SW-1 and SW-2 on all the DTI cards mounted in
PIM0 to “OFF”.
NOTE 3: Mount the DTI card which receives a source clock signal into PIM0.
CONDITIONS
DTI0 DTI1 DTI2 . . . . . DTI7
REMARKS
SW
-1
SW
-2
SW
-1
SW
-2
SW
-1
SW
-2
SW
-1
SW
-2
When one DTI
is provided.
ON OFF - - - - - -
MP card will receive
the clock signal from
DTI0 at its PLO0
input.
When more
than one DTI is
provided.
ON OFF OFF ON OFF OFF OFF OFF
MP card will receive
the clock signal from
DTI0 at its PLO0
input, under normal
conditions. Should a
clock failure occurs
with DTI0, MP card
will automatically
switch to the PLO1
input which gets
clock from DTI1.
INSTALLATION PROCEDURE