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5-Port Power over Ethernet Switch Crestron CEN-SW-POE-5
CEN-SW-POE-5 Troubleshooting (Continued)
TROUBLE POSSIBLE
CAUSE(S)
CORRECTIVE
ACTION
Network cable is not
the proper length.
Verify that network
cable is the proper
length. Cable length
must not exceed 328
feet (100 meters).
Fault exists with the
network cable.
Replace the cable.
Port is not functioning. Use another port.
If another port is not
available, replace
the switch.
Green LED
on Ethernet
port does not
illuminate.
(Continued)
10BaseT/100BaseTX
compatible device is
not 802.3af compliant
and is not powered on.
Verify AC power
connection to the
network device.
PoE LED
does not
illuminate.
10BaseT/100BaseTX
compatible device is
not 802.3af compliant.
PoE LED illuminates
only when the
associated port on
the switch connects
to an 802.3af-
compliant device.
16 • 5-Port Power over Ethernet Switch: CEN-SW-POE-5 Installation Guide – DOC. 6694A