User`s manual

CyberResearch
®
Motherboards MXGG Series
Pin Description Pin Description
13 PRINTER SELECT
Table 3-22: Parallel Port Connector Pinouts
Figure 3-23: Parallel Port Connector Location
3.3.5 Serial Port Connector (COM1)
CN Label: 3IN1_DSUB1B (COM1)
CN Type:
DB-9 Male
CN Location:
See
Figure 3-20
CN Pinouts:
See
Table 3-23 and Figure 3-24
The serial port connects to a RS-232 serial communications device.
Pin Description Pin Description
1 DDVD 6 DSR
2 RX 7 RTS
3 TX 8 CTS
4 DTR 9 RI
5 GND
Table 3-23: Serial Port Pinouts
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Branford, CT USA www.cyberresearch.com