Replacement Interface PCB for the Sam4s ER900 series ECRs

Allows external devices to be linked to the cash register via RS232 and a second cash drawer if required via RJ12 plug.

Drawer Socket: 1 x RJ12 

Interface Serial (RS-232C) 2 x D type 9 Way Male Plug

Flow Control : ① DTR / DSR : H/W Flow Control ② XON / XOFF : S/W Flow Control

Baud Rate : 1200/2400/9600/19200/38400/57600/115200 Bps

Voltage Supply : VCC(+5V/1A) supplies at RS-232C#1~#2

Suitable for the following Sam4s ECRs:

ER920 / ER925 / ER940 / ER945