NEC NEAX 2400 ICS - Check of Loop-Back Test Execution Required;Not Required

CHAPTER 4 ND-45383 (E)
Page 112
Revision CD 1.0
2.3 Check of Loop-Back Test Execution Required/Not Required
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
START
Check lamp indications on the DLI
card
A
Check to see if the lamp indications on the DLI card are as
shown below.
When the lamp indications are as shown above, perform the fol-
lowing loop-back tests.
• Loop-back test from the DLI to the DRU.
(Refer to Paragraph 3.1 in Chapter 5)
• Loop-back test between the DLI and the transmission equip-
ment.
(Refer to Paragraph 3.2 in Chapter 5)
CIRCUIT CARD LAMP NAME
LAMP
INDICATION
PA-DAIA LINK (G) ON
CRC (R) OFF
PCM (R)
FRM (R)
MFRM (R)
RMT (R)
BLUE (R)
LB (R)
PA-2DAID LINK0, 1 (G) ON
ALM0, 1 (R) OFF
RM/BLU0, 1 (R)
LB0, 1 (R)
PA-DAIC LINK (G) ON
CRC (R) OFF
PCM (R)
FRM (R)
RMT (R)
BLUE (R)
LG (R)