User's Guide

1 DATECS
SUMUP AIR v2 USER GUIDE 1 DATECS Page 15 of 21
TEST SCR
Performs smart card reading tests. On the display appears a menu with the supported
options. To perform a test, insert a card in the card slot and select the corresponding menu
option:
1: RESET : performs card reset and returns the ATR
2: GET CHALLENGE : calls the command GET CHALLENGE and returns a random number
KEYS DOWNLOAD
To download the Acquirer Initial Keys (AIK) the PINPAD has to be set in Keys Download
Mode, in which it exchanges information in a secure way through the RS-232 interface using
proprietary communication protocol.To exit the mode the button has to be pressed.
CLEAR DEA KEYS
Deletes the customer’s DEA key hierarchy.
EXIT
Exit the service menu forwarding the control to the application.
APPLICATION DOWNLOAD MODE
To enter application download mode on the SUMUP AIR v2:
- Connect SUMUP to a PC using the supplied USB communication cable.
- Press and hold the button.
- Wait for the first beep and LED2 to turn on.
- Release the button.
- The pinpad is in the loader mode (SBL).
MODE: FW/APP is displayed and the PINPAD listens for application download commands on
the serial interface. When application download is initiated, on the display is shown the
progress in percentages of the downloading process.
To exit the mode, press or buttons.
The Application download process shall not be interrupted to prevent memory corruption. If
the buttons or are pressed during the downloading process, the application
integrity checking will fail on booting up and process will have to be repeated.