Connection
8
Figure 7 Connection Using Straight-through/Cross-over Cable
Note
：
The color of the cable for RJ45 connector meets the 568B standard: 1-orange and white,
2-orange, 3-green and white, 4-blue, 5-blue and white, 6-green, 7-brown and white, and
8-brown.
4.2 RS-232/RS-422/RS-485 interface
RS-232 / RS-422 / RS-485 interface using standard DB9 male interface, RS-232 interface to
support RTS / CTS. The serial interface pins supported by this device are defined in the
following table.
Table 4 Serial interface pin definition
Pin
RS-232
RS-422
RS-485
1
CTS
RxD-(B)
-
2
RxD
RxD+(A)
-
3
TxD
TxD-(Z)
Data-(B)
4
RTS
TxD+(Y)
Data+(A)
5
GND
GND
GND
6
–
–
–
7
–
–
–
8
–
–
–
9
–
–
–
