Amadis

Contactless Collision Detected (24h)

Owned by Daniel Boucher (Unlicensed)
Aug 19, 2021
1 min read

The Contactless Collision Detected Exit Condition forces L2 to Exit when presentment of two or more Contactless Cards are detected at the same time in the Field (i.e. Card Collision Detected).

Exit Condition Response Parameters

The Parameters Returned by this Exit Condition are:

Tag

Size (bytes)

Type

M/O/C

Description

‘D2’

1

b

M

Exit Condition ID = 24h

‘C7’

1

b

M

Contactless Card Technology = 04h

‘DF16’

15-21

b

C

UI Request Data:
Message ID: 19h (‘Please present one card only’)
Status:  03h (READY TO READ)

RESUME L2 PAYMENT TRANSACTION Command Parameters

The RESUME L2 PAYMENT TRANSACTION Command Parameters are ignored for this Exit Condition