NEC NWA-008869-001 User Manual

Page of 180
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