Digital Equipment DEC WANcontroller 618 Rozwiązywanie problemów - Strona 6

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B
Module Loopback Test
1. Disable the NIC – move the NIC switch down.
NIC:
(a)
Unfasten
screws
(b)
Loopback
connector
1.
Move the NIC
switch up.
4. If the test passes, the LEDs show the RUN state.
If the test fails, the LEDs show the FAULT or ATTENTION state.
5. Disable the NIC. Reconnect the connecting cable if you have to perform
more testing.
6
2. Attach the 50-way
loopback connector
(male) to the port or
cable to be tested.
3. Run the module loopback test:
2.
Wait until READY LED
stops flashing (max. 2
min)
flash
Connecting cable:
Unfasten
(a)
screws
(b)
3.
Observe the test result on the
LED display.
NOTE
If loading has been
disabled for this slot,
the READY LED will
not stop flashing. To
enable the slot, see
no
the manual DEC Net-
flash
work Integration Serv-
er Management.
Loopback
connector
LKG–5723–91I