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cPCI-MXS64GX Technical Reference Manual
The remote reset will work in RS-232 and RS-422 modes. It will also work with a modem,
since the modem will repeat the break signal over the telephone network. All major
telecommunication software have the capability of sending a break signal, usually by pressing
the CTRL-B keys or the ALT-B keys on the keyboard. Only a standard telephone line and a
modem in auto-answer mode are needed. The only limitation is that the communication speed
must be 1200bps or more. If the communication speed is to slow, a false reset can occur.
The break signal is entirely detected by hardware. For truly remote operation, use the VT-100
mode, which allows remote BIOS setup and console redirection.
2.9.1.2. Front Plate Configuration
The Serial Port 1 signals are available through a DB-9 connector located on the front plate.
CPCI I/O Configuration
The complete signal set is tied to the J5 CPCI I/O connector to be used through the Rear
Transition Module (RTM).
2.9.2. Serial Port 2
Serial Port 2 is buffered directly for RS-232 operations and is 16C550 PC-Compatible. The
interface includes the complete signal set for handshaking, modem control, interrupt
generation, and data transfer.
The Serial Port 2 port is 100% compatible with the IBM-AT serial port.
Signal Path
Serial Port 2 signals are available through the J5 CPCI I/O connector. The infrared
COM2 signals (COM2_IRRX and COM2_IRTX) are available at J3 connector.
Related Jumpers
None
BIOS Settings
Section 4.1.11 Integrated Peripherals: Onboard Serial Port 2
2.9.3. Serial Port 3
The Serial Port 3 supports Infrared, RS-232, RS-422, and RS-485 operation modes. When
assigned as Serial Port 3, the port is 100% compatible with the IBM-AT serial port in RS-232
mode.
2.10
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