HP G3 KVM, User Manual

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Troubleshooting 69
Troubleshooting
Connection length requirements
The KVM Console Switch offers optimum video performance when the distance between the server and
console switch is 15 m (50 ft) or less (1280 x 1024 at 75 Hz). The system is capable of operation at
distances up to 30 m (100 ft) at reduced video resolutions (800 x 640 at 60 Hz, worst case).
Distance 1280 x 1024 1024 x 768 800 x 640
15.24 m (50 ft)
X X X
22.86 m (75 ft)
— — X
30.48 m (100 ft) —
— X
DIAG port pinout
The DIAG port has the following pinout:
Pin Description
1
No Connection (N/C)
2
No Connection (N/C)
3
No Connection (N/C)
4
Receive Data (RXD)
5
Transmit Data (TXD)
6
Signal Ground (SG)
7
No Connection (N/C)
8
No Connection (N/C)
Troubleshooting table
Problem Solution
The local user cannot view the OSD copyright
notice.
The OSD copyright notice is distorted.
•
Be sure that the power source is valid.
•
Be sure that the cables are connected properly.
•
Be sure that the monitor is valid.
The local user cannot view the OSD flag.
Preview the preferences in the OSD to determine if the
local port display has been disabled or set to time out. If the
preferences are set to not display the OSD flag or to have
the flag time out, then the OSD flag does not appear.
The local user cannot activate or view the OSD,
and the OSD flag disappears.
Be sure that the local port keyboard is connected properly
and that the keyboard is valid.