Electrical Interface/Pin Assignment Of Cable Connector - Mindeo FS390 User Manual

2-2 Electrical interface/Pin assignment of cable connector

Table 2-1 lists the pin assignments of the scanner.
Pin 10
Pin 1
RS-232
Pin
No.
Pin/Signal Name
1 Power (5V)
2 NC
3 Ground
3.3V (for interface
4
auto selection)
5 TXD
6 RXD
7 NC
8 TRIG
9 CTS
10 RTS
Note: Voltage level of all RS-232 Pin-outs (RXD, TXD, CTS and RTS) is 0V for logic low level and 3.3V
for logic high level.
Figure 2-2 Electrical interface/Pin
Table 2-1 Electrical interface/Pin assignment
Type Pin/Signal Name
Power Power (5V)
- NC
Power Ground
Ground (for interface
Input
auto selection)
Output Reserved
Input Reserved
- NC
Input TRIG
Input D-
Output D+
USB
Type
Power Power: +5 VDC
- NC: Not connected
Power Ground: 0V reference
RS-232: Logic high level, 3.3V
Input
USB: Logic low level, 0V reference
RS-232: Serial data transmit output
-
port (Transmitted data)
RS-232: Serial data receive input port
-
(Received data)
- NC: Not connected
Trigger.
Input Logic low level (activity): 0V
referenceLogic high level: 3.3V
RS-232: handshaking line
- (Clear-to-send).
USB: Negative differential line.
RS-232: handshaking line
- (Request-to-send).
USB: Positive differential line.
6
Descriptions