Usb Interface; Cash Drawer Interface - SPRT POS890 User Manual

2.3.2 USB Interface

The standard accessories of POS890 printer includes a Mini USB cable which
connects printer and main device. The USB type belongs to the slave device
type(DEVICE). Pins description of Mini-USB as Fig.2-3 below:
Fig.2-3 USB interface

2.3.3 Cash Drawer Interface

The cash drawer interface of POS890 adopts RJ-11 6-pin socket, as Fig.2-5 shows:
The pin assignment is as below:
Pin No.
1
2
Fig.2-2 Ethernet interface
Fig.2-4 Cash Drawer Interface
Pin Function
1 V Bus
2 Data-
3 Data+
4 GND
Signal
Chassis Ground
Cash drawer driver Out
7
Notes
Power +5V
Data-
Data-
Ground
Direction
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