User's Manual

Table Of Contents
100 R110/R170XiIIIPlus User Guide
Data Ports
Standard Ports
Modem Connection
When the printer is connected via its RS-232 interface to Data Communication Equipment
(DCE) such as a modem, use a standard RS-232 (straight-through) interface cable.
This illustration shows the connections required for this cable.
DTE
(Printer)
DCE
(Modem, etc.)
RXD (receive data)
TXD (transmit data)
DTR (data terminal ready)
SG (signal ground)
DSR (data set ready)
RTS (request to send)
CTS (clear to send)
+5 VDC signal source
NOTE: Pin 1 is unused and unterminated at the printer.
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9