NEC NEAX 2400 IPX, Руководство пользователя

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NDA-24299 CHAPTER 6
Page 149
Revision 1.0
POST INSTALLATION TEST
Repair Procedure When LED Indicates Abnormality
Figure 6-5 How to Set the Fusion Link Test Mode
STEP 2: Select an appropriate loopback point by setting the switch (SW01/SW13B). Refer to Figure 6-6 .
Figure 6-6 Loopback Point Designation
STEP 3: When the LYR LED flashes at 60-INT, the loopback in the block specified in Step 2 is OK. Refer to
Figure 6-7 .
Note:
Be sure to initialize the FCH (PA-FCHA) card after changing the setting of the Mode Switch.
8
4
C
0
2 6
A
E
.
.
8: standard setting
9: F usion Link T est M ode
F C H ca rd
F C H
D T I
M B
F ro n t V ie w F ron t V ie w
M o d e :
8 9
(1) C hange the m ode sw itch (8 9).
(i) U P
(ii) D O W N
Anti-static Kit
screw driver
PA -
FC HA PA-
24DTR
M ode Switch
(2) Initialize the F C H card.
AT T EN T IO N
Contents
Static Sensitive
Handling
Precautions Required
1
2
3
4
1 2 3 4 5 6 7 8
O FF
1 2 3 4 5 6 7 8
O FF
1 2 3 4 5 6 7 8
O FF
OPE
N-OPE
SW00
SW01
PCM
FRM
BER
RMT
AIS
BL23
MB
Payload
Line (External)
Internal
SW01/SW13B
Setting a Loopback point......
To set "Internal Loopback"
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
DTI (PA-24DTR)
ON
Anti-static Kit
Select a loopback point by setting the switch.
DTI