NEC Univerge sv8500 Manual page 2741

A
Set the corresponding switch of the DLI/DAI card
UP (ON), referring to the table below.
Switch setting for remote loop-back check
CIRCUIT CARD NAME
PA-DAIA
PA-DAIJ-A
PA-DAIU
Set the transmission equipment to remote loop-
back mode.
On the DLI/DAI card, various lamps are indicat-
ing as follows.
• LINK (G):
• CRC (R):
• PCM (R):
• FRM (R):
• MFRM (R): Note
• RMT (R):
• BLUE/AIS (R):
On the DLI/DAI card, various lamps are indicat-
ing as follows.
• LINK (G):
• CRC (R):
• PCM (R):
• FRM (R):
• MFRM (R): Note
• RMT (R):
• BLUE/AIS (R):
END
The MFRM Lamp is not mounted on the PA-DAIJ-A card.
Note:
SWITCH NAME
SW3-1,
SW3-2
SW01-1,
SW01-2
SW02-1, SW02-2
OFF
On, flashing or OFF
OFF
ON, flashing, or OFF
One or more than one
lamp lights.
VOL.3-254
CHAPTER 2 TERMINAL-RELATED DEVICES
FAULT : The signal link channel of the
DLI/DAI is not being transmit-
ted transparently by the trans-
mission equipment.
(1) Test
equipment.
(2) The DLI/DAI card and the
DRE card in the DRU/
DAU do not match with the
switch settings for signal
link channel and for trans-
mission speed of the signal
link channel.
FAULT • The transmission equipment is
faulty.
Test the transmission equip-
ment.
• The transmission line between
the DLI/DAI and the transmis-
sion equipment is faulty.
Test the cable between the DLI/
DAI and the transmission equip-
ment.
the transmission