Specifications
Chapter 2 l l Hardware Installation and IO-IRQ
9
Half Duplex Operation Mode
Tx: RTS ON Tx: REG Tx: AUTO
Rx: RTS OFF Rx: REG Rx: AUTO
Please also refer to Chapter 9 for RS-485 programming and Appendix A.3 for RS-
485 cable wiring.
2.3 C114HI Board Installation
To install C114HI, please follow the steps below.
Step 1. Choose a PC installed with DOS system or prepare a MS-DOS boot disk
for your PC.
Step 2. Power off PC.
Step 3. Set the interface type to RS-232, RS-422 or RS-485 for each port with the
jumpers on board.
Step 4. Install the C114HI board into a 16-bit slot.
The C114HI has the following default (factory) settings,
I/O address : 0x180 (1st port), 0x188 (2nd port)
0x190 (3rd port), 0x198 (4th port)
IRQ : 10 (shared by four ports)
Interrupt vector : 0x1C0
Configuration Access Port (CAP) : 0x180
RTS ON
REG
AUTO
ON
RTS OFF
REG
AUTO
ON
RTS ON
REG
AUTO
ON
RTS OFF
REG
AUTO
ON
RTS ON
REG
AUTO
ON
RTS OFF
REG
AUTO
ON