HP Visualize c3700 Owner's Manual page 24

Overview
Product Information
Serial Connectors
You can attach a variety of pointing devices (such as a mouse or
trackball) or peripheral devices (including printers, plotters, modems,
and scanners) to the two Serial Input/Output (SIO) RS-232 ports on the
rear panel of this workstation. Consult the documentation that
accompanies each pointing device or peripheral device for specific
information concerning its use.
The SIO ports are programmable, allowing functions such as bit rate,
character length, parity, and stop bits to be set. You can set these by
using the HP-UX System Administration Manager (SAM) utility, or by
selecting a system special device file with the functions already
programmed. The SIO ports are used as an interface for serial
asynchronous devices to the CPU.
Table 1-2 shows the SIO connector pin listings. The serial connectors are
9-pin D-sub connectors. Signal names are those specified in the EIA
RS-232 standard.
Table 1-2
24
Serial I/O Pins
Pin No. Signal
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Description
Data Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Ground
Data Set Ready
Request To Send
Clear To Send
Ring Indicator
Chapter 1