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Quick Installation Guide
Serial Port 2 Status Setup (JP4 & J2)
RS-232*
12
9
JP4
6
3
1
J2
3
5
* default
Serial Port 3 Ring Status Setup (JP5)
+12V
1
3
5
* default
RS-422
12
10 12
10
9
7
4
6
3
1
2
1
2
4
3
4
6
5
6
+5V
2
1
2
4
3
4
6
5
6
PCM-6892 Installation Guide
RS-485
10
7 9
7
4 6
4
3
1
1
1
2
3
4
5
6
Ring*
1
2
3
4
5
6
15
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