7-6 Compaq AlphaServer ES40 Service Guide
7.2.1 Bypass Modes
For modem connection, you can set the operating mode so that data
and control signals partially or completely bypass the RMC. The
bypass modes are Snoop, Soft Bypass, and Firm Bypass.
Figure 7–2 Data Flow in Bypass Mode
Modem
System
SRM/AlphaBIOS
Consoles
Operating System
RMC Modem
Port (Remote)
Local Serial Terminal
(MMJ Port)
Modem
PK0908a
RMC> RMC>
Remote Serial Terminal
or Terminal Emulator
COM1
COM1 Port
UART
Modem Port
UART
RMC PIC
Processor
Bypass
RMC COM1
Port (Local)
DUART