Model Number : HCC96015 keys pin pad POS E-Payment Pin Pad HCC960FeatureHCC960 is 15 keys pin pad with 16x2 display, widely used for banks, POS and retail systems.Description16x2 LCD display, no voice.Communication ProtocolRS232C interface: 9600, N, 8, 1Option 1: power supplied by USB, DB9F for communicationOption 2: power supplier by PS/2 interface, DB9F for communicationOption 3: powered by the first feet of DB9F, voltage is 5VDB9F signal definition:PIN2: TXDPIN3: RXDPIN5: GNDCommand list1. ESC I (0x1b 0x49)Function: Display “ ENTER passed:”, allowed to enter. Push “ENTER” key data will be transferred.2. ESC E ( 0x1b 0x45)Function : Display “ TRY AGAIN!”, allowed to enter. Push “ENTER” key data will be transferred.3. ESC F ESC I (0x1b 0x46 0x1b 0x49 )Function: Display “ ENTER passed:”, allowed to enter. Push “ENTER” key data will not be transferred, to be read by DEC+G command4. ESC F ESC E (0x1b 0x46 0x1b 0x45 )Function: Display “ TRY AGAIN!”, allowed to enter. Push “ENTER” key data will not be transferred, to be read by ESC+ G command5. ESC G (0x1b 0x47 )Function: Read data, usually used after ESC F ESC I or ESC F ESC E commandsAfter ESC F ESC I or ESC F ESC E command, if the pin pad received ESC+ G command when user entered password, but haven’t push “ENTER ” key, this function is same to ESC I or ESC E.6. ESC M (0x1b 0x4d)Function: send data for keys, send 0x08 for “CLEAR” key, send 0x0d for “ENTER” key.7. ESC N XX(0x1b 0x4e XX)Function: defined password digits. XX is 0x00 ~ 0x30.After command defined the length of password, enter below command respectively:ESC IESC EESC F ESC IESC F ESC EWhen the full password digits are entered, it will automatically send data, no need to push “ENTER” keyData ReturnThe format of data return: STX (0x02), entered data BTX (0x03).Note:There is no 0x02 and 0x03 after ESC M commandKey tableKeysASCII CodeKeysASCII Code00x3060x3610x3170x3720x3280x3830x3390x3940x34ENTER0x0d50x35CLEAR0x08