PRT: Parallel Port
The system board provides a 2x13-pin parallel port
connector, PRT. Attach parallel port cable to this connector.
COM1 /COM2: Serial Port Connectors
The system board has two 2x5-pin serial port connectors,
COM1 and COM2. Attach COM1/COM2 cables to these
connectors.
+
–
COM1/2 (Top View)
CARRIER
TX
GND
RTS
RING
1
2
RX
3
4
DTR
5
6
DSR
7
8
CTS
9
10
N.C.
Hardware Installation 19