126TROUBLESHOOTING

The normal VCN AC port status are presented in Table 15.

Table 15 Normal VCN AC Port Status

 

LAN State

Line State

Power State

 

 

 

 

If a port is connected

Green

Green

Green

 

 

 

 

If a port is not connected

Off

Off

Off

 

 

 

 

Using Front Panel

Refer to “Real Time LED Indications”, page 16, for a description of the

LEDs to Solve

indicator LEDs.

 

Problems

Use the front panel LEDs to determine the status of a VCN AC port after

 

 

POST.

 

 

Table 16 VCN AC Port LED Indications following POST

 

 

 

 

Problem

Solution

The port power LED remains Off after power connection

Check the main power cable connections. Plug in the power cable if necessary.

The power LED

A hardware fault has been detected at this port.

remains orange for

Power the VCN AC off and then on. If the problem persists,

longer than 30

contact your supplier.

seconds.

 

 

 

 

The LINE LED is not

Check the line connection. If the line connections are

green

appropriate, the local modem is not functioning.

 

Power the VCN AC off and than on. If the problem persists,

 

contact your supplier.

 

 

The LAN LED is off

Check the Ethernet cable. The problem could be in the VCN

 

AC or in the Ethernet Switch.

 

1

Check that the RJ-45 cable between the VCN AC and the

 

 

Ethernet Switch is connected.

 

2

If the Ethernet LED is still off, replace the RJ-45 cable.

 

3

If after the cable has been replaced, the VCN AC Ethernet

 

 

LED is still off, use an alternative port.

 

4

If, after the cable has been replaced, the Ethernet Switch

 

 

Ethernet LED is off, use an alternative port on the switch.

 

5

If the problem persists, contact your supplier.

 

 

 

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Image 126
3Com DSA-3CV1100-02 Using Front Panel, LEDs to Solve, Problems, Normal VCN AC port status are presented in Table