Figure 6-5 How To Set The Fusion Link Test Mode; Figure 6-6 Loopback Point Designation - NEC NEAX 2400 IPX Manual

(1) C hange the m ode sw itch (8
M ode:
8 9
screw driver
F ront V iew
Note: Be sure to initialize the FCH (PA-FCHA) card after changing the setting of the Mode Switch.
STEP 2: Select an appropriate loopback point by setting the switch (SW01/SW13B). Refer to
Select a loopback point by setting the switch.
DTI (PA-24DTR)
OPE
N-OPE
SW00
PCM
FRM
BER
RMT
AIS
SW01
BL23
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
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.
9). (2) Initialize the F C H card.
F C H card
M ode Switch
8: standard setting
9: Fusion Link Test M ode
8

Figure 6-5 How to Set the Fusion Link Test Mode

To set "Internal Loopback"
DTI
SW01/SW13B
MB
Payload
Line (External)
Internal

Figure 6-6 Loopback Point Designation

NDA-24299
POST INSTALLATION TEST
Repair Procedure When LED Indicates Abnormality
D T I
F C H
PA-
PA-
FCHA
24DTR
M B
(i) U P
(ii) D O W N
Anti-static Kit
F ront V iew
ON
Anti-static Kit
Setting a Loopback point......
ATTEN TIO N
Contents
Static Sensitive
Handling
Precautions Required
Figure 6-6.
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
CHAPTER 6
Page 149
Revision 1.0