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RS-232
Serial Input/Output
connectors
You can attach a variety of peripheral devices to the two RS–232 Serial Input/
Output (S10) ports on the workstation. These peripheral devices include printers,
plotters, modems. and scanners. Consult the documentation that accompanies
each peripheral device for specific information concerning its use.
Both S10 ports are programmable. You can set functions such as bit rate, character
length, parity, and stop bits. S10 Ports 1 and 2 are used as interfaces for serial
asynchronous devices to the CPU. Both ports operate at up to a 19.2K baud rate.
The interface to S101 and 2 is by way of
RS –
232 drivers and receivers.
Table Table 1– 2 shows the S10 connector pin listings. The serial connectors are
9–pin D–sub connectors. Signal names are those specified in the EIA RS–252
standard;
Pin No.
1
~
3
4
5
6
7
8
9
Table 1 –2. Serial 1/0 Pins
Signal
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
Description
Data Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Ground
Data Set Ready
Request To Send
Clear To Send
Ring Indicator
Product Information
1– 9
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