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Specifications
Features
Functional
Specifications
Capacity
1-2 General Information
Six full duplex asynchronous serial I/O ports with 10 wire modem control
capability (satisfies European licensing requirements).
EIA RS-132-C and CCITf V.28 compatibility.
Full duplex modem operation only.
Support for use as a
local
system console on port
o.
Programmable data rates for each channel.
Programmable number of stop bits: 1, 1.5, 2.
Programmable parity:. odd, even, none.
Programmable character size: 5, 6, 7, or 8 data bits.
Parity, overrun, framing error check detects transmission faults.
Yumware based self test helps assure card integrity.
Programmable device XON/XOFF handshaking to pace MUX output
data transmission.
On-board buffering with DMA capability to send/receive data for multiple
ports in a single transfer.
Channels:
Six channels - full duplex.
Buffering:
On card buffering with DMA capability to
send/receive for multiple ports in a single
transfer to reduce host CPU interrupts
and increase throughput.
Transmit Buffer Size:
255 bytes per port.
Receive Buffer Size:
Effective lKbyte buffer allocated
dynamically over all six ports.
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