Compaq AlphaServer ES45 1B Owner's Manual page 273

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In Snoop mode, you can type an escape sequence to enter the RMC. RMC
mode provides a command-line interface for issuing commands to monitor
and control the system.
•
In Soft Bypass mode, you cannot enter the RMC. But if an alert condition
or loss of carrier occurs, the RMC switches into Snoop mode. From Snoop
mode you can enter RMC.
•
In Firm Bypass mode you cannot enter the RMC. To enter, reset the
com1_mode environment variable from the SRM console, then set up the
RMC again from the local terminal.
You can also set the RMC to Local mode, in which only the local channel can
communicate with the system COM1 port. Local mode disables the modem
from sending characters to the system COM1 port, but you can still get into the
RMC.
NOTE: You can always enter the RMC locally regardless of the current mode.
You can set com1_mode to one of the following values:
through All data passes through RMC and is filtered for the escape se-
quence. This is the default.
Data partially bypasses RMC, but RMC taps into the data lines
snoop
and listens passively for the escape sequence.
Data bypasses RMC, but RMC switches automatically into
soft_bypass
Snoop mode if loss of carrier occurs.
Data bypasses RMC. RMC remote management features are
firm_bypass
disabled.
Changes the focus of the COM1 traffic to the local MMJ port if
local
RMC is currently in one of the bypass modes or is in Through
mode with an active remote session.
Example
RMC> set com1_mode
Com1_mode (THROUGH, SNOOP, SOFT_BYPASS, FIRM_BYPASS, LOCAL): local
Remote Management 6-35