Manual

IFS MC250-4T/1CXT User Manual 15
Troubleshooting
SYMPTOM:
VDSL LNK LED does not light after wire is connected to the
VDSL port.
CHECKPOINT:
• Verify that the length of the wire connected between two
MC250-4T/1CXT is not more than 2.4km. Please also try to
adjust the DIP switch of MC250-4T/1CXT to other SNR
mode.
• Please note you must use one MC250-4T/1CXT with
Master mode and the other MC250-4T/1CXT with Slave
mode.
SYMPTOM:
TP LED does not illuminate after the cable is connected to the
port.
CHECKPOINT:
• Verify that you are using the Cat.5, 5e or 6 cables with RJ-
45 connector to connect to the port.
• If your device (i.e. LAN card) supports Auto-Negotiation, try
to set it to a fixed speed manually.
• Make sure that both converter and the connected devices
are turned on.
• Make sure that all cables are properly plugged in to the
correct ports.
• Make sure that the cable is not bad.
• Make sure that the power adapters are functional for each
device.