Com Port Pin9 Select Ri Signal Or Voltage Source - Lex Computech CI770C User Manual

2-13 COM port pin9 select RI signal or Voltage source

JVC1: COM1 PIN9 select
JVC3: COM3 PIN9 select
JVC5: COM5 PIN9 select
JVC1/2/3/4/5/6
*1-2
3-4
5-6
Note: 1. Note: Attention ! Check Device Power in spec
2. If want to use +5V/+12V need check system power design spec.
1
3
5
1
3
5
JVC2
*RI Signal
JVC2: COM2 PIN9 select
JVC4: COM4 PIN9 select
JVC6: COM6 PIN9 select
Description
COM port pin9 use RI signal
COM port pin9 use +5V voltage
COM port pin9 use +12V voltage
JVC3
JVC5 JVC4
*RI Signal
JVC1
2 1
4 3
5
6
+5V
JVC6
2
1
4
3
5
6
*RI Signal
1
3
5
+5V
2 1
4 3
5
6
+12V
23
2
1 1
4
3 3
5 5
6
+5V +12V
2
1
4
3
5
6
+12V
2
4
6
2
4
6
2
4
6