NEC Univerge sv8500 Manual page 2683

SYMBOL
DRE
Switch setting for loop-back test.
Note 6:
When loop-back test is not performed
(normal setting)
When setting the DRE to remote loop-back
When setting the DRE to local loop-back check
When setting the DRE to remote loop-back check
Switch setting for IVD-DAU connection.
Note 7:
IVD-DAU connected
IVD-DAU not connected
Switch setting for connection to digital trunk interface.
Note 8:
120 Ω
75 Ω
CIRCUIT CARD
SN885 DRE-A
PZ-CC79/PZ-30ELCL
CHAPTER 2
SN885 DRE-B
PZ-30ELCP
VOL.3-196
TERMINAL-RELATED DEVICES
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
SW71-6 SW71-7
: OFF
: ON
: OFF
: ON
SW71-8
: OFF
: ON
SW72
: Down
: Up
OFF
OFF
ON
ON