ELM Diagnostic Message (Tran Type 36-09)

Simplify supports an ELM Diagnostic message from the POS process

The POS system can send Simplify an ELM Diagnostic Request. The Response from the PIN pad contains ELM Diagnostic Data from the Verifone API. In addition to the usual Tran Type 36 message fields, this Response also includes the PIN Pad serial number in field 5002.

For a guide on when to use this command, please refer to the Verifone document:

ELM API’s section 1.1.7 Diagnostic Data API

Field 5001 Format

Message	Description
(Generic format)	The format of this field is TTTLLLVVV…VV, where: TTT is a Tag LLL is the length of the data. VVV..VV is the data
Request	TTT - Currently defined tags: 009 – ELM Diagnostic information LLL = 6 VVV..VV = “000000”
Response	TTT - Currently defined tags are: 009 – ELM Diagnostic information LLL - length of data VVV..VV Request Page Number (3 bytes) Number of Pages (3 bytes) Diagnostic Data (variable size)

Sample Message

Request

An example of an ELM Diagnostic Request message (from the POS to Simplify) is:

API Field #, Value	Description
0001,36	Transaction Type 36. Non-Financial message
0011,xxx..	User Data. See Simplify-Controlled Field Definitions for the use of this field
5001,009006000000	009 = Tag ‘ELM Diagnostic’ information 006 = Length of Data 000 = always 000 in Request 000 = always 000 in Request

Response

An example of an ELM Diagnostic Response message (from Simplify to the POS) is:

API Field #, Value	Description
0001,36	Transaction Type. Non-Financial type
0011,xxx..	Field 11 is defined as User Data.See Simplify-Controlled Field Definitions for the use of this field
5001,009225001012Firmware status FirmwareVersion=4.1.078S kmailman_Version=Kmailman version unknown Wrapper_Key_Label=VERIFONE_KIFKEK MDK_Label=CTGWTSTLA3ETEMD MDK_KCV=5566BF Key_derivation_time=Fri Jan 15 03:16:09 2016	009 = Tag ‘ELM Diagnostic’ information 225 = Length of Data 001 = page number 012 – number of pages Firmware status (etc.) = Diagnostic data for first page