Serial port 1/ 2 pin9 signal select (jri1/ jri2) – Avalue EBM-PNV User Manual
Page 8
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EBM-PNV (B.2) Quick Installation Guide
8 EBM-PNV (B.2) Quick Installation Guide
2.3.3
Serial port 1/ 2 - RS-232/ 422/ 485 mode select (SW2)
In Serial Port 1 mode
RS-232
RS-422
RS-485
1
ON
OFF
OFF
2
OFF
ON
OFF
3
OFF
OFF
ON
In Serial Port 2 mode
RS-232
RS-422
RS-485
4
ON
OFF
OFF
5
OFF
ON
OFF
6
OFF
OFF
ON
2.3.4
Serial port 1/ 2 pin9 signal select (JRI1/ JRI2)
* Default
Ring*
+5V
+12V
JRI2
JRI1
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