User's Manual Part 2

Data Ports
Serial Port
58981L-002 Rev. 1 2/11/05 R110PAX4 User Guide 161
RS-232 Interface Connections
Direct Connection to a Computer
The print engine is configured as Data Terminal Equipment (DTE).
Figure 55 shows the internal connections of the print engines RS-232 connector.
Figure 55 • RS-232 Connections
Pin 9 is also available as a +5 VDC signal source at 750 mA. The maximum current draw may
be limited by option configuration.
Note • Adapters are available from Zebra Technologies LLC.
RS-422/RS-485 adapter, Zebra part number 33114M
RS-232 DB-9 to DB-25 adapter, Zebra part number 33109M
Note • Use a null modem (crossover) cable to connect the print engine to a computer or any
other DTE device.
Caution • To enable this capability, a qualified service technician must install a jumper on
the print engine’s main logic board on JP1, pins 2 and 3.
NOTE: Pin 1 is unused and unterminated.
RS-232 Connector (DTE)
Rear Panel Female DB-9
RXD (receive data) input
TXD (transmit data) output
DTR (data terminal ready) output
SG (signal ground)
DSR (data set ready) input
RTS (request to send) output
CTS (clear to send) input
+5 VDC signal source
2
3
4
5
6
7
8
9
R1
+5 VDC
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