Aplex Technology AHM-6077 - Manual (Page 15)

AHM-6077 User Manual 15
2.2 Hardware Installation
2.2.1 Jumper Setting
(1) JCOM1: COM1 Port RS232/422/485 function select
3-4 closed : RS485
JCOM1
1
1-2 closed: RS232
1 1
5-6 closed : RS422
(2) JCOMP1: COM1 Pin 9 function select
3-4 c l o s e d : + 1 2 V
J C O M P 1
1-2 c l o s e d : R S 2 3 2 5-6 c l o s e d : + 5 V
1
1 1
**COM1 Pin Define
(3) JP1: Inverter VCC 5V/12Vselect (3-pin)
1-2 c l o s e d
I n v e r t e r 1 2 V s e l e c t e d
2-3 c l o s e d
I n v e r t e r 5 V s e l e c t JP1
JP1
1
3
1
3
Pin
1 RX+
2 RX-
3 TX-
4 TX+