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3.2.1
Procedure for Loop-Back Diagnosis between the DLI and the Transmission Equipment
START
PCM lamp (red) on the DLI card illuminates.
Set SW3-1 of the DLI card to UP.
On the DLI card, various lamps are indicating as
follows.
(a) PA-DAIA card
•
LINK (G):
•
CRC (R):
•
PCM (R):
•
FRM (R):
•
MFRM (R):
•
RMT (R):
•
BLUE (R):
(b) PA-2DAIA card
•
LINK0, 1 (G):
•
ALM0, 1 (R):
•
RM/BLU0, 1 (R):
(c) PA-DAIC card
•
LINK (G):
•
CRC (R):
•
PCM (R):
•
FRM (R):
•
RMT (R):
•
BLUE (R):
Set SW3-1 and SW3-2 of the DLI card to UP.
Set the transmission equipment to Remote Loop-
Back mode.
A
CHAPTER 5
Page 132
Revision CD 1.0
ON, flashing, or OFF
One or more than one
lamp illuminates.
ON, flashing, or OFF
One or more than one
lamp illuminates.
ON, flashing, or OFF
One or more than one
lamp illuminates.
ND-45383 (E)
Check to see if the power supply to the transmis-
sion equipment is normal or not. Also, check the
connection between the DLI and the transmission
equipment.
FAULT
:
DLI is faulty
Paragraph 4.1: DLI Fault
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