Rs-232C Board; About Rs-232C Board; Board Setup (Rs-232C) - Epson RC620 CU Manual

Setup & Operation 12. Option Slots

12.4 RS-232C Board

12.4.1 About the RS-232C Board
The RS-232C option accepts four ports expansion per board. A maximum of two boards,
eight ports expansion is available for RS-232C board.
Port numbers are assigned as follows.

12.4.2 Board Setup (RS-232C)

Board Appearance
CN1
CN2
CN3
CN4
68
Port No. Supported hardware
#1 to #4
#5 to #8 Second RS-232C board
First RS-232C board
Switch and Jumper Configuration
Set DSW1, DSW2 and JMP1.
CN6 is all open.
st
1 board
CN6
JMP1
DSW2
DSW1
IRQ15
IRQ11
IRQ10
IRQ7
IRQ5
1 2
SW4
SW3
SW2
SW1
SW8
SW7
SW6
SW5
SW4
SW3
SW2
SW1
nd
2 board
JP5 IRQ15
JP4 IRQ11
JP3 IRQ10
JP2 IRQ7
JP1 IRQ5
1 2
SW4
SW3
SW2
SW1
SW8
SW7
SW6
SW5
SW4
SW3
SW2
SW1
RC620 Rev.8
JP5
JP4
JP3
JP2
JP1