FAQ of Cash Drawers
1. How to connect the RJ12 connector?
2. How to open the cash drawer by system?
You can add the ESC/POS command into your software to control the cash drawer.
ESC p m n1 n2 -- Control cash drawer
ACSII ESC p m n1 n2
Hex [1BH][70H]m n1 n2
Decimal m n1 n2
The pulse ON time is n1x2ms, and the OFF time is n2x2ms.