User`s manual

Alternative Serial
Interface Input
The pinout of the RJ-11 interface connector is
listed below.
Note that looking into the printer’s connector
with the key notch pointing down, pins are
numbered from left to right.
30 980381-001 Rev. B
DCD
RxD
TxD
DTR
GND
DSR
RTS
RI
CTS
PrinterHost
6
1
5
2
4
3
3
4
2
5
1
6
7
8
9
DB-9
Pin #
RJ-11
Pin #
Female DB-9 to RJ-11
*+5 volts @ 160 mA max.
TxD
RxD
+5V*
GND
BUSY
RTS
Pin 3
Pin 2
Pin 1
Pin 4
Pin 5
Pin 6
Front View of RJ-11
Modular Connector