user manual

General Description
2-3
2
Serial Ports
The serial ports support standard baud rates of 110 to 38.4K baud.
All four serial ports use EIA-232-D drivers and receivers located on
the main board, and all the signal lines are routed to the I/O
connector.
A functional description of the Serial Port Interface starts on page
2-18.
Parallel (Printer) Port
The 8-bit bidirectional parallel port may be used as a Centronics-
compatible parallel printer port or as a general parallel I/O port.
A functional description of the Parallel Port Interface starts on page
2-20.
Ethernet Transceiver Interface
The Ethernet transceiver interface is located on the MVME187, and
the industry standard connector is located on the MVME712X
transition module.
A functional description of the Ethernet Interface starts on page
2-21.
Serial
Port
Function
Synchronous/
Asynchronous
Signals Bit Rates
1 Minimum Asynchronous RXD, CTS, TXD, and RTS
2
and
3
Full Asynchronous RXD, CTS, DCD, TXD, RTS,
and DTR
4 Full Both RXD, CTS, DCD, TXD, RTS,
and DTR
Synchronous up
to 64 k bits per
second