YOKO EP3000 - Page 9

第 4 页 共 22 页
Pin
Number
Signal Name
I/O
Note
1
USB_D-
I/O
USB bus minus
2
NC
- disable
3
NC
- disable
4
GND
IN
Ground cathode voltage
5
NC
- disable
6
USB_D+
I/O
USB bus plus
7
USBVBUS
IN
USB voltage +5V anode voltage
8
TXD-Wiegan
d
OUT
3.3V TTL
、
RS232
、
RS485A+
、
Wiegand 1
9
NC
- disable
10
RXD-Wiegan
d
OUT
3.3V TTL compatible with 5V input
、
RS232
、
RS485B-
、
Wiegand 0
USB
USB interface on host
RS-232
RS-232 interface on host