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HP 0x2x16 KVM Server Console Switch Maintenance and Service Guide - Page 49

When the video resolution is distorted

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When the video resolution is distorted Ask the customer to refer to the connection length table (on page 74). Troubleshooting 49

Section	Page
HP KVM Server Console Switch Maintenance and Service Guide	1
Notice	2
Contents	3
Customer self repair	6
Parts only warranty service	6
Illustrated parts catalog	16
Exploded view	16
System components	19
Replaceable spare parts	21
HP KVM Server Console Switch spares kit	21
Console switch hardware spares kit	22
Interface adapter spares kits	23
Expansion module spares kit	24
Expansion module hardware spares kit	25
UTP CAT5 cable spares kit	25
Serial cable spares kit	26
Removal and replacement procedures	27
Safety considerations	27
Required tools	27
Removal and replacement procedure tips	28
Removing the console switch	28
Replacing the console switch	28
Removing the console switch side-mount hardware	29
Removing the console switch standard-mount hardware	30
Removing the console switch cantilever-mount hardware	32
Replacing the console switch side-mount hardware	32
Replacing the console switch standard-mount hardware	35
Replacing the console switch cantilever-mount hardware	37
Removing the expansion module	40
Replacing the expansion module	42
Removing and replacing the expansion module hardware	43
Removing the interface adapter	43
Replacing the interface adapter	43
Troubleshooting	44
Troubleshooting sequence	44
Is the console switch operational?	44
Has the customer verified the firmware version?	44
Has the customer performed the Run Diagnostics feature?	45
Does the console switch detect a server connection?	45
Does the customer have the correct configurations?	45
Are the cable connections correct?	45
Diagnosing the problem	46
When the activity light indicator is not on	46
When the console switch does not have the correct firmware	46
When the console switch is not working properly	46
When the console switch hangs after being rebooted	46
When the cable connections are not correct	46
When the cascaded console switch configurations are not correct	47
When the console switch password is lost	47
When the expansion module is not being recognized by a Compaq Server Console Switch	47
When the local user cannot activate or view the OSD and the OSD flag disappears	47
When the local user cannot view the OSD copyright notice	47
When the local user cannot view the OSD flag	48
When the OSD is distorted or not readable	48
When the OSD is inaccessible	48
When the Run Diagnostics test fails	48
When the servers are still listed although they have been disconnected	48
When the screen saver does not turn on	48
When the system does not recognize the HP IP Console Switch	48
When the system does not recognize the cascaded console switches	48
When the video displays all green or red	48
When the video resolution is distorted	49
Frequently asked questions	50
Are the expansion module ports hot-pluggable?	50
Are the interface adapters hot-pluggable?	50
Are the keyboard, monitor, and mouse connections on the console switch hot-pluggable?	50
Are the server connections on the console switch hot-pluggable?	51
Can the console switch be mounted in a round-hole rack?	51
Can the console switch be side-mounted in a round-hole rack?	51
Do you have to power down a server to replace an interface adapter?	51
Does the console switch support HP legacy console switches?	51
How do I access the Main dialog box?	51
How do I cascade console switches?	52
How do I change the keyboard language?	52
How do I know which port my cascaded console switch is connected to?	52
How do I locally connect a cascaded console switch?	52
How do I look at my console switch firmware version?	52
How do I look at my interface adapter firmware version?	53
How do I turn the screen saver off?	53
How do I use the Run Diagnostics feature?	53
Is the console switch compatible with ILO and RILOE?	53
Is the serial download port hot-pluggable?	53
What are the minimum and maximum cable lengths?	53
What is the port marked with an A on the console switch used for?	53
What kind of CAT5 cables are supported?	53
Where can I get more information?	53
Why can remote HP IP Console Switch users not access servers attached to a cascaded HP KVM Server Console Switch?	54
Diagnostic tools	55
Activating Run Diagnostics	55
Running System Diagnostics	56
Displaying the firmware version	57
Displaying the console switch firmware version	57
Displaying the interface adapter firmware version	57
Updating the firmware	59
Updating the console switch firmware	59
Updating the cascaded console switch firmware	59
Updating the interface adapter firmware	60
Updating the interface adapter firmware simultaneously	60
Updating the interface adapter firmware individually	60
Cascading console switches	62
Compatible console switch models	62
Compaq Server Console Switch	62
HP IP Console Switch	63
Cascading an HP KVM Server Console Switch with another HP KVM Server Console Switch	63
Example of an HP KVM Server Console Switch cascade configuration	64
Cascading a Compaq Server Console Switch with an HP KVM Server Console Switch	65
Example of a Compaq Server Console Switch cascade configuration	66
Cascading an HP KVM Server Console Switch with an HP IP Console Switch	66
Example of an HP IP Console Switch cascade configuration	68
Viewing and selecting ports and servers	69
Viewing servers	69
Viewing the Port column	69
Viewing the Server Status column	70
Component identification	71
Components	71
EID Location for the interface adapter	71
Serial number location	72
Specifications	73
Console switch spares specifications	73
Connection length table	74
Technical support	75
Before you contact HP	75
HP contact information	75
Acronyms and abbreviations	76

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Troubleshooting 49

When the video resolution is distorted

Ask the customer to refer to the connection length table (on page