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5.4.3 Signal Specifications
Open Collector outputs:
Maximum Open Voltage 40V
Maximum Sink Current 50mA @ 12VDC
Maximum Output Low Voltage: 0.4VDC
Minimum Output High Voltage: 2.4VDC
Input low level voltage: 0…. 1V
Input high level voltage: 3…..12V (typically 3… 5V)
Input pull up to 5V: 21K Ω
5.5 USB Port
The ST1C USB port is compliant as a USB 2.0 full speed host or device and is fitted
with a mini-AB socket. The USB port can be used to:
Connect a USB memory device to reprogram the validator with new firmware
and bill dataset
Connect to a USB port on the machine controller. The validator will enumerate as
a serial port device for compatibility. Please contact your local regional office for
the relevant device drivers.
5.5 USB Mini-A or Mini-B Cable
www.TURNSTILES.us / www.entrapass.com
/ 8641 S. Warhawk Road, Conifer, CO 80433 / 303-670-1099
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