Lex Computech CI770C - Com Port Pin9 Select Ri Signal or Voltage Source

23
2-13 COM port pin9 select RI signal or Voltage source
JVC1: COM1 PIN9 select JVC2: COM2 PIN9 select
JVC3: COM3 PIN9 select JVC4: COM4 PIN9 select
JVC5: COM5 PIN9 select JVC6: COM6 PIN9 select
Note: 1. Note: Attention ! Check Device Power in spec
2. If want to use +5V/+12V need check system power design spec.
*RI Signal
*RI Signal
*RI Signal
+5V
+5V
+5V
+12V
+12V
+12V
JVC1/2/3/4/5/6
Description
*1-2 COM port pin9 use RI signal
3-4 COM port pin9 use +5V voltage
5-6 COM port pin9 use +12V voltage
1
1
111
11
11
3
3
333
33
33
5
5
555
55
55
4
444
44
44
6
666
66
66
2
222
22
22
JVC6
JVC3
JVC1
JVC2
JVC5 JVC4