Oracle MICROS 820 User Manual

Figure 3-5 Serial Port Pin Reference
CD(1), CD(2) Series 2 Cash Drawer
The Series 2 Cash Drawer connector is an 8-pin Mini-DIN. You can convert this
connector into a legacy MICROS 4-pin DIN cash drawer connector using a P/N
300290-020-PT cable.
Figure 3-6 Series 2 Cash Drawer Pin Reference
The following table describes the signal name and function of each pin.
Table 3-4 Series 2 Cash Drawer Pin and Signal Reference
Pin # Signal Name Description
1 VCC12 or VCC24 Cash drawer power
2 CD_OPEN Open drawer
3, 7, 8 Ground Signal grounds
4 CD_ST Input status from cash drawer
5 MCU_TX_5V Tx data to cash drawer
6 MCURX Rx data from cash drawer
Chapter 3
Peripheral Expansion Module Basic Features
3-4

Oracle MICROS 820 Specifications

General

Brand	Oracle
Model	MICROS 820
Category	Desktop
Language	English