ND-45383 (E)
CHAPTER 5
Page 131
Revision CD 1.0
3.2 Loop-Back Diagnosis between the DLI and the Transmission Equipment
This paragraph explains the procedure of loop-back diagnosis between the DLI and the transmission equip-
ment when the DLI and the DRU are connected via the transmission equipment.
On the DLI card, various lamps are indicating as
follows.
(a) PA-DAIA card
•
LINK (G):
ON, flashing or OFF
•
CRC (R):
•
PCM (R):
•
FRM (R):
One or more than one
•
MFRM (R):
lamp illuminates.
•
RMT (R):
•
BLUE (R):
(b) PA-2DAIA card
•
LINK0, 1 (G):
ON, flashing or OFF
•
ALM0, 1 (R):
One or more than one
•
RM/BLU0, 1 (R):
lamp illuminates.
(c) PA-DAIC card
•
LINK (G):
ON, flashing, or OFF
•
CRC (R):
•
PCM (R):
•
FRM (R):
•
RMT (R):
•
BLUE (R):
END
B
One or more than one
lamp illuminates.
FAULT
•
The transmission line between
the DLI and the DRU is faulty.
•
The DRU is faulty.
Paragraph 4.2: DRU Fault
