Manual LPCI-COM-8SM
19
Chapter 7: Specifications
Communications Interface
•
I/O Connection:
68 Pin HVDCI SCSI style -Connector
•
Serial Ports:
Eight leg breakout cable terminated with shielded
male D-sub 9-pin standard IBM AT connectors
compatible with RS485 specifications
•
Character length:
5, 6, 7, or 8 bits.
• Parity:
Even,
odd
or
none.
•
Stop Interval:
1, 1.5, or 2 bits.
•
Serial Data Rates:
Up to 115,200 baud, Asynchronous, A faster range
of rates, up to 921,600, is achieved by jumper
selection on the card. Type 16788 buffered UART.
`
The RS-232 drivers used are specified as capable
of 1Mbps. The highest baud rate achievable using
the standard oscillator and divisor is 921.6kbps.
•
Address:
Continuously mappable within 0000 to FFFF (hex)
range of PCI bus addresses.
•
Receiver Input Sensitivity:
+200 mV, differential input.
•
Common Mode Rejection:
+12V to -7V
•
Transmitter Output Drive Capability: 60 mA, with thermal shutdown.
Environmental
•
Operating Temp.:
0 °C. to +60 °C.
•
Storage temperature: -50 °C. to +120 °C.
•
Humidity:
5% to 95%, non-condensing.
•
Power Required:
+5VDC at 125 mA typical total power consumption.
•
Size:
6.6 inches long (167.6 mm) by 2.2 inches high (55.8 mm).
Note
The 16750 compatible UART uses 64-byte first-in-first-out buffers which are programmed
through commands sent to the FIFO control register.
