Cabling and Wiring the System
4-20
TI545/TI555 System Manual
4.5 Connecting a Printer
The
CPU has the capability to send information to a printer through the use
of an SF program or SF subroutine. The printer connects to Port 1 and uses
RS-232 protocol. Cabling for the two available handshaking options are as
follows:
•
XON/XOFF printer handshaking; see Figure 4-13.
•
READY/BUSY printer handshaking; see Figure 4-14.
NOTE: Set
dipswitch 2 on the
CPU to the OFF
position for printing.
Not required for all printers
RCV XMT
XMT RCV
GND
RTS
CTS
Port 1 (RS-232/423)
RTS
CTS
RSD
DSR
DTR
9
6
5
1
Serial Printer
or
Programming
Device
Figure 4-13 XON/XOFF
Printer Handshaking
CTS CTS
XMT RCV
GND
Port
1 (RS-232/423)
RSD
DSR
DTR
9
6
5
1
Serial Printer
NOTE:
Set dipswitch 2 on the
CPU to the OFF
position for printing.
Figure 4-14 READY/BUSY
Printer Handshaking
Overview
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