Element RW873 - Interface Signals; Usb; Cash Drawer

RW873 User Manual
17
5 INTERFACE SIGNALS
Printer RW873 supports cash drawer interface and many other various communicate
interfaces, such as Serial interface, parallel interface, USB interface, Ethernet
interface. The printer has the communication board with the default USB interface
and cash drawer interface, and the other communication boards with the Ethernet
interface, parallel interface, RS232 interface are optional.
5.1 USB
PIN NO.
Signal Name
1
VBUS
2
D-
3
D+
4
GND
5.2 Cash Drawer
PIN NO.
Signal Name
1
FG
2
Drawer 1
3
DRSW
4
VDR
5
Drawer 2
6
GND
Electrical characteristics
⚫ Driving voltage：DC 24 V
⚫ Driving current：maximum 0.8 A (In 510 ms)
⚫ Drawer check signal：“L” = 0～0.5 V “H” = 3～5 V