[적용대상: 모든 버전]

set type of device connected to com port.

Can be disabled, dummy, modem, nullmodem, directserial.
Additional parameters must be in the same line in the form of parameter:value.

Parameter for all types is irq (optional).

for directserial:
  realport (required), rxdelay (optional).
  (realport:COM1 realport:ttyS0).

for modem: listenport (optional).

for nullmodem: server, rxdelay, txdelay, telnet, usedtr, transparent, port, inhsocket (all optional).

Example: serial1=modem listenport:5000
