Chapter 2 Installation
23
2.15 Serial ports (CN18, CN13)
The PCM-5823 Series offers two serial ports: one RS-232 and one
RS-232/422/485. These ports allow you to connect to any serial
device (a mouse, printers, etc.) or communication network.
2.15.1 COM1 RS-232 port (CN18)
The serial port connectors are mounted on the bottom edge of the
card. The 9-pin D-SUB connector to the left of the card is the
RS-232 port.
2.15.2 COM2 RS-232/422/485 selection (CN13)
The secondary port located above COM1, consists of a 14-pin,
dual-in-line, male header and can be configured to operate in
RS-232, RS-422, or RS-485 mode. This is done via SW2 (pin1 to
pin2)
Table 2-3
COM2 select (SW2)
Result
SW2-1 SW2-2 SW2-3
*RS-232 on
off
off
RS-422
off
on
off
RS-485
off
off
on
2.14 AC 97 Audio interfaces (CN2, optional)
The PCM-5823 Series provides an optional module, which
provides 16-bit CD quality recording and playback as well as
OPL3 compatible FM music. It is supported by all major operating
systems and is completely compatible with Sound Blaster Pro.
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