5] port switch, 6] monitor leds – IAI America ERC User Manual

Page 74

[5] PORT switch

A switch for enabling/disabling the teaching pendant.

Set the switch to ON when a teaching pendant is used, or OFF when teaching pendant is not used.

[6] Monitor LEDs

LED1 --- Lit when the controller is transmitting

LED2 --- Lit when the RS232 is transmitting

(Reference) Connection drawing of a RS232C crossed cable

SIO converter end

PC end

D-sub 9-pin, female

Signal No

1
RD 2
SD 3
ER 4
SG 5
DR 6
RS 7
CS 8
9

No Signal
1

2 RXD
3

TXD

DTR

DSR

RTS

CTS