Instruction Manual

ST3000 Series Hardware Manual
2-2
2.1 ST-3200 Series
A: Status LED
This LED indicates the ST’s status, e.g. power
input or firmware RUN status.
B: Power Plug Connector
C: USB Host Interface (USB)
USB 1.1 compliant.
One port for TYPE-A connector.
Power supply voltage: DC5V ±5%.
Maximum output current: 500mA
Maximum communication distance: 5m
Interfaces with transfer cable, USB-compatible
printer, and other compatible devices.
D: Serial Interface (COM1)
RS-232C serial interface. D-Sub 9-pin plug type
connector.
E: Serial Interface (COM2)
AST-3201A:
RS-422/RS-485
*1
serial interface. D-Sub 9-pin
plug type connector.
AST-3211A:
RS-485 (MPI only) serial interface. D-Sub 9-pin
socket type connector.
LED ST Operation
Green (lit)
Normal operation (power
is ON.) or OFFLINE
operation.
Orange
(blinking)
During software startup.
Red (lit) Power is ON.
Not lit Power is OFF.
*1 RS-485 is compliant with AST-3201A units with revision code "C" or later.
About Revision (page 12)
Front
Back
A
B
E
Bottom
D
C
SEE