Belden Grass Valley IPVU, Installation Manual, Page: 88 / 98

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Maintenance & Troubleshooting
Troubleshooting
1 In RollCall, right-click IPVU and select Delete Cache.
Fig. 5-7: IPVU Menu
2 Close and restart RollCall.
Troubleshooting
Following a methodical process of elimination, try the following steps.
1 Are you using the latest IPVU firmware? To upgrade an IPVU’s firmware, see Firmware
Upgrade , on page 51.
2 The Status Indicators on the IPVU show if it is powered and these indicators provide
troubleshooting information. See Electrical Connections, Reset Pushbutton, and Status
Indicators , on page 29.
3 The IPVU has certain requirements to operate correctly. See Unsupported Applications ,
on page 18.
4 Try using another monitor cable. Make sure the cable is less than 6 feet (1.8m) long.
5 Make sure the fiber connectors are clean, as the problem is often related to dust
obstructing the light at the fiber connections. See Keep Fiber Connections Clean , on
page 89.
6 Use another fiber connection.
7 Swap components of the IPVU with known working components, one component at a
time in a systematic fashion to further isolate the issue. For example, swap the SFP
transceiver cartridges or use a different port on the network switch.