4 Troubleshooting

This section describes the troubleshooting procedures to address any problems encountered with the Midspan unit.

The following table provides a problem and resolution sequence to assist in troubleshooting of minor operating problems.

Table 4-1. Troubleshooting Steps
ProblemCorrective Steps
PD-9001-10GS/AC does not power-up.
  1. Verify that a reliable power cord is used.
  2. Verify that the voltage at the power inlet is between 100–240 VAC.
  3. Remove and reapply power to the device and check the indicators during the power-up sequence.
The PD does not operate.
  1. Verify that the PD is designed for PoE operation according to IEEE® 802.3at standard.
  2. Verify that the cable used is a standard straight‑wired cable, with four pairs (UTP/FTP Category 6a).
  3. Verify that the PD is connected to the PD-9001-10GS/AC Terminal port.
  4. If an external power splitter is in use, replace it with a known-good splitter.
  5. Remove and reapply power to the Midspan.
The end device operates, but there is no data link.
  1. Verify that the cable used is a standard straight-wired cable, with four-pair cable (UTP/FTP Category 5/5e/6).
  2. Verify that the Ethernet cable length is less than 100 meters from the Ethernet source to the load/remote terminal.
  3. Ensure that the input Ethernet cable is connected to the power injector’s Ethernet port.
  4. If an external power splitter is in use, replace it with a known-good splitter.