Table of Contents
Advertisement
COM2 Ring/+5V/+12V Select (JP1)
COM2 Ring/+5V/+12V Select (JP1)
* default
COM2 RS-232/422/485 Select (JP2 & JP3)
The COM2 serial port can be selected as RS-232, RS-422, or RS-485
by setting JP2 and JP3. The follwing chart shows the jumper
setting:
COM2 RS-232/422/485 Select (JP2 & JP3)
*RS-232
6
JP2
4
2
12
JP3
9
6
3
* default
+12V
5 3 1
6 4 2
5
3
1
10
7
4
1
+5V
5 3 1
6 4 2
RS-422
6
5
4
3
2
1
12
10
9
7
6
4
3
1
Chapter 2 Installation
Ring*
5 3 1
6 4 2
RS-485
6
5
4
3
2
1
12
10
9
7
6
4
3
1
15
Advertisement
Table of Contents
