13. Troubleshooting
13-20
13.2.2 Troubleshooting optional modules
13.2.2.1 OD.RING module troubleshooting
If the ERR LED of the OD.RING module is on, follow the instructions in Table 13-4 to troubleshoot the
problem. If the ERR LED is off, troubleshoot the problem according to the following instructions.
(1) Troubleshooting from the TX LED and RX LED
Check whether the TX LED and RX LED of the OD.RING module are on or off, and then follow the
instructions in Table 13-11 to troubleshoot the problem.
Table 13-11 Troubleshooting from the transmission LED (TX) and the reception LED (RX)
LED status
Check
Corrective action
The transmission LED
(TX) is off.
Is the reception LED (RX) on?
If the reception LED (RX) is on, the module might have
failed.
See Table 13-2.
The transmission LED
(TX) is off and the
reception LED (RX) is
on for all modules.
Is the optical fiber cable connected
properly?
Verify that the optical fiber cable is connected properly.
Is the optical fiber cable connector
inserted properly?
Verify that the optical fiber cable connector is inserted
with its key aligned with the matching slot.
The reception LED
(RX) is off.
Is the transmission LED (TX) on?
If the transmission LED (TX) is off, see
The
transmission LED (TX) is off
.
Are the optical fiber cables
connected properly?
Verify that the optical fiber cables are connected as
described in
3.3 Wiring
in the
S10VE User's Manual
Option OD.RING (LQE510-E
) (manual number SEE-1-
101).
Is an optical fiber cable
disconnected or bent?
The recommended minimum bending radius of an
optical fiber cable is 30 mm. If you bend an optical fiber
cable more sharply than the minimum specified bending
radius, communication over the cable becomes
impossible.
Use a cable recommended in
3.4.3 Recommended
cables
in the
S10VE User's Manual Option OD.RING
(LQE510-E)
(manual number SEE-1-101).
Is the module at the other end
transmitting data?
If the module at the other end is not transmitting data,
the reception LED (RX) does not turn on.
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