4-4 DS10 Console Reference
4.3
Operating Modes
RMC runs in three modes on this system: Snoop, soft bypass, and
firm bypass. The bypass modes are set with the set com1_mode
command from the SRM console.
Figure 4–3 Bypass Mode
Modem
System
SRM/AlphaBIOS
Consoles
Operating System
Local Serial Terminal
(MMJ Port)
Modem
PK0908b
RMC>RMC>
Remote Serial Terminal
or Terminal Emulator
COM1
COM1 Port
UART
Modem Port
UART
RMC PIC
Processor
RMC COM1
Port (Local)
DUART
Bypass
NOTE: The internal system COM1 port should not be confused with the
external COM1 serial port on the back of the system. The internal
COM1 port is used by software to send data either to the COM1 port on
the system or to the RMC modem port if a modem is connected.
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