Citizen Systems iDP-3540/3541 Printer User Manual


 
iDP-3540/41 Users Manual
CITIZEN 21/48
8-3-2. Electrical Characteristics
a) Input Signal Level
All input signals are TTL level.
HIGH level . 2.0V Min.
LOW Level …. 0.8V Max.
b) Output Signal Level
HIGH level . 2.4V Min.
LOW Level …. 0.4V Max.
c) Input / Output Conditions
All of the input signals are pulled up by 3.3K ohms.
[Printer Side] [Host Side]
7406 or equivalent
All of the output signals are pulled up by 3.3K ohms.
7406 or equivalent