Digital Equipment DEC LANcontroller 601 Problem Solving - Page 4

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Problem Solving Flowchart – note the NIC LED state and follow the procedure indicated
ATTENTION
or
Check the Ethernet cable
is properly connected.
Wait for 2–3 minutes.
Does the
Complete the module
No
FAULT LED
loopback test on the
go out?
Ethernet cable.
Yes
Test
successful?
The ATTENTION state was
(READY state)
shown because the Ethernet
was not properly connected.
Complete the module
loopback test on the NIC.
Test
successful?
(READY state)
Replace the Ethernet
cable.
A
The fault is either at the
Yes
Ethernet connection device
or the Ethernet – see the
appropriate manuals.
No
A
No
There is a possible problem
with the NIC.
C
Yes
C
For details of tests and procedures, refer to the panel with the matching flag (see overleaf).
READY
FAULT
There is a possible problem
with the NIC.
Perform a module loopback
test on the Ethernet cable.
B
Test
Yes
successful?
(READY state)
No
Perform a module loopback
test on the NIC.
B
Test
No
successful?
(READY state)
Yes
Replace the Ethernet
cable.
C
Fast Flicker
Check the LED display on
the processor card, then see
the Installation and Service
C
Manual for your DECNIS.
LKG–5733–91I