There are times where in we need to get the serial number of the card reader and the customer is not available to provide us with such information. Below are steps to check this in the back office.

Procedure

1.  Log in the back office instance and go to Reports -> Credit Card processing Details report.
2. Add the column Additional Data in the report.
3. Use the report filter to narrow down the transaction of interest.
4. Look for SN or <SN> in the Additional data field.  Example below 

References