HP Server Console 0x2x16 HP IP Console Switch with Virtual Media User Guide - Page 90

Connection length table

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Problem Troubleshooting When connecting a serial interface adapter to a server running Red Hat Linux or SLES, the numeric keypad keys on a PC keyboard do not map to VT100 emulation under the Linux shell. Using the numeric keypad with the vi text editor causes function characters to appear rather than numbers. Use the "printenv" command to show the TERM assigned under Linux. It can be matched appropriately with other termcap entries by editing the profile or setting the TERM equal to "ansi". For PC keyboards, ANSI is the most compatible emulation. -or- Edit your /etc/inittab as s0:2345:respawn:/sbin/agetty -h ttyS0 115200, 9600 ansi Where ttyS0 is the serial device name under Linux where the serial interface adapter is connected. Then at a shell prompt, enter init q, or reboot the system. Virtual Media is not working properly. Be sure that you are using the following: • HP IP Console Switches with Virtual Media or HP Server Console Switches with Virtual Media • A USB 2.0 interface adapter with Virtual Media, or a PS2 interface adapter with Virtual Media server and an operating system that supports high-speed composite USB 2.0 devices You must be able to see a Virtual Media CD drive and a mass storage drive on the target server to be able to map a local resource to the remote server. Virtual Media is responding slowly. See "Using Virtual Media (on page 58)." The local user cannot map a USB composite media device. See "USB composite media devices ("Using USB composite media devices" on page 63)." The keyboard does not respond after opening a Virtual Media session. See "USB 2.0 composite device limitations ("Limitations of using USB 2.0 composite devices with Virtual Media" on page 58)." Options in the Virtual Media dialog box are not available. See the "Configuring Virtual Media parameters" section in the HP IP Viewer User Guide. The video resolution is See "Connection length table (on page 90)." distorted. Connection length table The console switch offers optimum video performance when the distance between the server and console switch is 22.9 m (75 ft) or less at video resolutions 1280 x 1024 at 75 Hz. The system is capable of operation at distances up to 30.5 m (100 ft) at reduced video resolutions 800 x 640 at 60 Hz, worst case. 1280 x 1024 1024 x 768 800 x 640 22.9 m (75 ft) X X X 30.5 m (100 ft) - - X Troubleshooting 90

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Troubleshooting 90
Problem
Troubleshooting
When connecting a
serial interface adapter
to a server running Red
Hat Linux or SLES, the
numeric keypad keys
on a PC keyboard do
not map to VT100
emulation under the
Linux shell. Using the
numeric keypad with
the vi text editor causes
function characters to
appear rather than
numbers.
Use the "
printenv
" command to show the TERM assigned under Linux. It can be
matched appropriately with other termcap entries by editing the profile or setting the
TERM equal to "
ansi
". For PC keyboards, ANSI is the most compatible emulation.
-or-
Edit your /etc/inittab as
s0:2345:respawn:/sbin/agetty -h ttyS0 115200, 9600 ansi
Where
ttyS0
is the serial device name under Linux where the serial interface
adapter is connected.
Then at a shell prompt, enter init q, or reboot the system.
Virtual Media is not
working properly.
Be sure that you are using the following:
•
HP IP Console Switches with Virtual Media or HP Server Console Switches with
Virtual Media
•
A USB 2.0 interface adapter with Virtual Media, or a PS2 interface adapter with
Virtual Media server and an operating system that supports high-speed
composite USB 2.0 devices
You must be able to see a Virtual Media CD drive and a mass storage drive on the
target server to be able to map a local resource to the remote server.
Virtual Media is
responding slowly.
See "Using Virtual Media (on page
58
)."
The local user cannot
map a USB composite
media device.
See "USB composite media devices ("
Using USB composite media devices
" on page
63
)."
The keyboard does not
respond after opening
a Virtual Media
session.
See "USB 2.0 composite device limitations ("
Limitations of using USB 2.0 composite
devices with Virtual Media
" on page
58
)."
Options in the Virtual
Media dialog box are
not available.
See the "Configuring Virtual Media parameters" section in the
HP IP Viewer User
Guide.
The video resolution is
distorted.
See "Connection length table (on page
90
)."
Connection length table
The console switch offers optimum video performance when the distance between the server and console
switch is 22.9 m (75 ft) or less at video resolutions 1280 x 1024 at 75 Hz. The system is capable of
operation at distances up to 30.5 m (100 ft) at reduced video resolutions 800 x 640 at 60 Hz, worst
case.
1280 x 1024
1024 x 768
800 x 640
22.9 m (75 ft)
X
X
X
30.5 m (100 ft)
—
—
X