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8.2.1
USB Interface Specifications
The USB interface model is bus powered. No external power supply is needed.
Caution: If you are using USB-HID to transmit barcode data, using the host keyboard may
cause data to be lost.
USB-COM Interface Specifications
Setting
Description
Bus-power class
Use only a high-power (500 mA) USB port.
Speed
Full Speed (12 Mbps)
Interface
HID/COM (Virtual COM Port)
Transfer Speed
USB2.0 Full Speed
Vendor ID
065A
Product ID (HID)
A001
Product ID (COM)
A002
8.2.2
USB Connector
Pin No.
Name
1
VCC
2
-DATA
3
+DATA
4
GND
Figure 7: USB Plug (A) Pin Assignment
8.2.3
USB Interface Circuit
+3.3V
Full Speed
USB
Transceiver
Buffers
Figure 8: Interface Circuit (USB)
NLV-5201 Specifications Manual
1
2
Front View
3
4
USB A Connector
Pin No.
Signal
１
VBUS
2
-D
3
+D
4
GND
Shell
FG
13
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