AR-B1665 User’s Guide
3.4 SERIAL PORTS
•
COM1 – COM4 VOLTAGE SELECT (SPJ3, SPJ4)
1
3
5
2
4
6
SPJ3
3-5,4-6 :COM3,COM4 :12V(Factory Preset)
1-3,2-4 : 5V
3.5 SERIAL PORT CONNECTOR (COM1, COM2, COM4)
Only RS232
1
2
9
1 0
1 .D C D
2 .D S R
3 .R X
4 .R T S
6 .C T S
7 .D T R
9 .G N D
8 .R I
5 .T X
1 0 .N C
3.6 SERIAL PORT CONNECTOR (COM3)
Used RS232& RS485
1
2
9
1 0
1 .D C D
2 .D S R
3 .R X
4 .R T S
6 .C T S
7 .D T R
9 .G N D
8 .R I
5 .T X
1 0 .N C
SPJ7
1
4
7
3
6
9
RS-232
SPJ6
Factory Preset
SPJ7
1
4
7
3
6
9
RS-485
SPJ6
3.7 RS-485 TERMINATOR SELECT (SPJ2)
Open
Factory Preset
1
2
1
2
Closed
* When there is only one line the setting should be left off
(please take off the jumper), if multiple blocks are used on a
single line this should be set to “ON”(place a jumper) in order
to properly terminate the connection for better transmission
3.8 RS-485 HEADER (SPJ1)
1 2
3
1 N485+
2 N485-
3 GND
12
