Panduit DPOE24S1XY, DPOE12U1XY, DPOE24U1XY manual Basic Troubleshooting Guide

PANDUIT® DPoE™ Power Patch Panel User’s Guide	Issue 2.2
	Part Number: PN378A

Table 7: Basic Troubleshooting Guide

Problem		Possible Causes and Solutions
The panel status LED does not light when power	1.	The power supply fuse may be blown. Check
is applied to the unit.		the fuse on the DPoE™ Power Patch Panel
		power supply.
	2.	The power connection may be bad. Check the
		physical connection and make sure the voltage
		polarity is proper.
	3.	No power is available at the panel. Make sure
		the power supply is plugged in and operational.
	4.	The keyed power connector is not seated
		properly. Reseat the power connector.
The patch panel status LED is flashing green but	1.	The device is not connected properly to the
no power is being applied to the connected		DPoE™ Power Patch Panel. Make sure that
powered device(s). The port status LED over the		the cable to the connected devices is properly
port(s) where power should be provided is off.		terminated on the panel for the type of power
		needed (IEEE 802.3af-2003 or Alternate PoE)1.
	2.	The cable is not punched down securely. Re-
		punch the 110 connections.
	3.	The attached power device is not 802.3af-2003
		compliant or legacy Cisco compliant. Make
		sure that the attached device meets either of
		these standards. Also try to connect the device
		to another port to see if it powers on.
	4.	The port Administration Control setting is set to
		OFF in the EM. The Element Manager must be
		used to set the port Administration Control to
		ON. (See page 38, Edit Port Information, for
		more information.)
The panel status LED stays solid red after power	1.	The power supply voltage is either less than 46
is connected and over 20 seconds has elapsed.		volts or greater than 57 volts. The panel should
		be immediately disconnected from power and
		the input power should be corrected.
The DPoE™ Power Patch Panel is providing	1.	The switch is not properly connected to the RJ-
power to the end device, but there is no data		45 jacks on the front of the panel or the switch.
connection (i.e., the Ethernet connection is not		Check for proper connections and establish the
working).		connections or reseat these if required.
	2.	The switch port may not be active. Check with
		the local IT person to see if this is the case and
		correct it.
	3.	The data pairs (1,2 and 3,6) are not properly
		terminated on the rear of the DPoE™ Power
		Patch Panel. Re-punch the port(s) and test the
		connection again.

1If a port is wired as Alternate POE, both IEEE 802.3af-2003 Powered Devices as well as legacy Cisco Powered Devices will be detected and get powered up. If a port is wired as POE, only the IEEE 802.3af- 2003 Powered Devices will be detected and get powered up.

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