APC AP5717CH User Manual download pdf (Page 17)

13User Manual Rack LCD Console

Troubleshooting

Symptom Action

There are ghost images on the external

monitor

The distance between the external console and the Rack

LCD is too great. The maximum VGA cable distance should

not exceed 20m and in some cases may need to be shorter.

Replace the VGA cable with one of an appropriately short

length.

Some characters entered from the keyboard

do not display correctly.

The keyboard layout setting for the port does not match the

keyboard you are using. On your switch, change the

keyboard layout setting for the port to match the layout of

the keyboard you are using.

No power or no response from the target

device (KVM switch or server)

Check that all cables are securely attached in their sockets.

Erratic behavior Update the firmware. See “Firmware Upgrade Mode” on

page 11 for more information.

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APC AP5717CH User Manual Page 17