Driver/Receiver; Timing - OEM M3097DE Manual

A.1.3

Driver/Receiver

Driver: SN75188 or equivalent
Receiver: SN75189 or equivalent
To determine the threshold level of the signal at the receiver, the following circuit must be
connected to the response control pins.
100 pF
A.1.4

Timing

Scanner → Host computer (At transmission)
RTS
TXD
CTS
a
a: +0 ms
b: +0 to 5 ms
c: +0 to 10 ms (more than 1 word length)
d: +0 ms
-12 V
20 kΩ ¶
0 V
ˆG ˆG
ˆG ˆG
ˆG ˆG
ˆG ˆG
b
To response control pin
c d
A.1 Control Interface
Appendix A-3