The Remote Console; Establishing The Remote Console Link - HP Series 37 Reference Manual

General Information
When you enter Maintenance Mode software execution halts. Note that the MPE environment is
protected only if you execute a DUMP, DW, EW, HELP, RUN, or SPEED
command. if any other commands are
executed, MPE is not protected.
'MiMiW+
The following procedure should
be
attempted only
by
trained Hewlett
Packard Service Personnel.
In some cases, Control B will not be detected when entered on the System Console or the remote console.
In this case, Maintenance :v1ode can sometimes
be
entered by closing the ATTN switch on the main card
cage. It is on the right hand side looking in the front, and is on the bottom printed-circuit assembly
(PCA) in the cardcage, directly below the display board.
THE REMOTE CONSOLE
The remote console capability allows the system to be halted or started, and Maintenance Mode commands
to
be
executed from a remote location. When the remote console is in operation the local console can be
used to monitor all activity.
Establishing The Remote Console Link
There are three steps to establishing a link to the remote console.
1. Issue a speed command to set the System Console to a speed that is compatible with both the
modem and the terminal to be used in the remote location.
2. Set the keyswitch to the remote position. This causes the Data Terminal Ready (DTR) to
temporarily drop, disconnecting any pre-established links. MPE will log off the session on
Port 7.
3. The remote site must establish the modem link. The REMOTE light will light indicating
that REMOTE mode has been established. This will disable the keyboard on the local
console and enable the keyboard on the remote console. Both scree·ns will display identical
information.
While in remote mode the local keyboard can be enabled by turning the keyswitch to position
"2"
(LOCAL). As long as the REMOTE LED remains lit, the remote console will mirror the activity of the
local console. The remote keyboard can be enabled by turning the keyswitch back to position ,; 3"
(REMOTE). Thus the keyswitch acts as a toggle to enable either the local or remote console's keyboard
and as long as the connnection has not be broken (by turning the keyswitch to either position
"0"
or
"1")
the screens on the local and remote consoles will display the same information.
NOV 84
1-3