3 of 3
Note
5
:
This RJ45 Terminated CAT5 cable needs to be wired in a
X-Over
pin
configuration.
See Table 1B for Wiring information
Note
6
:
The two (2) RS422232’s may be placed at a maximum distance of 4000ft. from each
other.
See
Figure 3
for reference.
1. Connect one end of an RJ45 terminated CAT5 cable to the SERIAL port of one
RS422232 unit and connect the other end to the SERIAL port on the other RS422232
unit. (See Note
6
)
2. Connect the female DB9 RS232 Ports of each RS422232 to the devices to be
communicated to.
3. Connect a Female DB9 terminated serial cable to the RS422232 connector labeled
RS232.
4. Connect each of the included 781RG 12VDC power supply to the 2.1mm Coaxial Power
jack on each RS422232 Converter.
RS422232
POWER
ACTIVITY
SERIAL
+12VDC
RS232
RS422 TO
RS232
MODULE
RS422232
POWER
ACTIVITY
SERIAL
+12VDC
RS232
RS422 TO RS232 MODULE
Requires 12VDC Power Supply
(Xantech Model 781RG)
Requires 12VDC Power Supply
(Xantech Model 781RG)
To RS232 Device
To RS232 Device
CAT5 Wire Up to 4000ft.
Connector B
Connector A
Figure 3: Extending RS232 Devices (See Table 1B for CAT5 Wiring)
Pin #
SERIAL
RS232
Pin # WIRE COLOR Connector A Connector B WIRE COLOR Pin #
1
1
Orange/White
Green/White
1
2 RD_SER -
Rx
2
Orange
RD_SER -
TD_SER -
Green
2
3
Tx
3
Green/White
Orange/White
3
4 RTS_SER -
4
Blue
RTS_SER - CTS_SER - Brown
4
5 R
GND
5
Blue/White
R C Brown/White
5
6 TD_SER -
6
Green
TD_SER -
RD_SER -
Orange
6
7 C
RTS
7
Brown/White C R Blue/White
7
8 CTS_SER -
CTS
8
Brown
CTS_SER - RTS_SER - Blue
8
9
Table 1A: RS422232 Pin Out
Table 1B: CAT5 X-Over Cable for Combining 2 RS422232 Units
XANTECH CORPORATION
13100 Telfair Avenue, Sylmar CA 91342-3829
phone 818.362.0353 • fax 818.362.9506
www.xantech.com
Part No. 08904990 Rev A 04-16-2004
