Help Hot Line (U.S. only): 1-800-530-9960
9-19
D-620003-0-20 Rev J
CONFIDENTIAL
Troubleshooting
{MW31}Port 3 UL RF path is too high
Uplink RF loss is above the recommended minimum. If codes MS13-MS16 is
also present, the fiber is the most likely problem. Clean the fiber ports and con-
nectors. Ensure that the fiber connector is correctly seated.
If codes MS13-MS16 are not present, disconnect both downlink and uplink
fiber at the Main Hub. Wait 10 seconds, then re-connect downlink and uplink
fiber.
If the warning is common to more than one port, replace the MH when possi-
ble. If only one port has the warning, try another MH port. If no warning is
reported, flag the previous port as unusable and replace the MH when possible.
Clean the optical connectors and ports. If the warning persists, replace the EH
when possible.
{MW32}Port 4 UL RF path is too high
Uplink RF loss is above the recommended minimum. If codes MS13-MS16 is
also present, the fiber is the most likely problem. Clean the fiber ports and con-
nectors. Ensure that the fiber connector is correctly seated.
If codes MS13-MS16 are not present, disconnect both downlink and uplink
fiber at the Main Hub. Wait 10 seconds, then re-connect downlink and uplink
fiber.
If the warning is common to more than one port, replace the MH when possi-
ble. If only one port has the warning, try another MH port. If no warning is
reported, flag the previous port as unusable and replace the MH when possible.
Clean the optical connectors and ports. If the warning persists, replace the EH
when possible.
Table 9-4
Warnings Reported by the Main Hub (continued)
