HP 1x1x16 IP Console Switch User Guide - Page 107

When the System Does Not Recognize the Cascaded Console Switches, When the Video Displays All Green

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Troubleshooting 107 When the System Does Not Recognize the Cascaded Console Switches IMPORTANT: While upgrading the firmware, do not power off the HP IP Console Switch or attempt any operations. Be sure that all of the console switches are upgraded with the latest firmware ("Upgrading the HP IP Console Switch Firmware" on page 97). When the Video Displays All Green or Red 1. Check the UTP CAT5 cable for breaks or bad crimps. 2. Check the VGA connection for bent pins. 3. Check to be sure you after using a normal straight through cable instead of a network cross-over (NULL modem) cable. Connection Length Table The HP IP Console Switch offers optimum video performance when the distance between the server and console switch is 15.24 m (50 ft) or less (1280 x 1024 at 75 Hz). The system is capable of operation at distances up to 30.48 m (100 ft) at reduced video resolutions (800 x 640 at 60 Hz, worst case). 15.24 m (50 ft) 22.86 m (75 ft) 30.48 m (100 ft) 1280 x 1024 X 1024 x 768 X 800 x 640 X X X

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Troubleshooting
107
When the System Does Not Recognize the Cascaded
Console Switches
IMPORTANT:
While upgrading the firmware, do not power off the HP
IP Console Switch or attempt any operations.
Be sure that all of the console switches are upgraded with the latest firmware
("Upgrading the HP IP Console Switch Firmware" on page
97
).
When the Video Displays All Green or Red
1.
Check the UTP CAT5 cable for breaks or bad crimps.
2.
Check the VGA connection for bent pins.
3.
Check to be sure you after using a normal straight through cable instead of a
network cross-over (NULL modem) cable.
Connection Length Table
The HP IP Console Switch offers optimum video performance when the distance
between the server and console switch is 15.24 m (50 ft) or less (1280 x 1024 at
75 Hz). The system is capable of operation at distances up to 30.48 m (100 ft) at
reduced video resolutions (800 x 640 at 60 Hz, worst case).
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