User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06
Section 5 – Administration and maintenance messages 2015-04-20
Page59
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message 1F Query Usable Prompt Table
Format: <SI>1F<SO>[LRC] (request frame)
<SI>1F[Prompt_List]<SO>[LRC] (response frame)
Message length: Fixed 6 bytes (request frame); Variable (response frame).
Usage: This message is used to query usable PP791 prompt message table list. List will be
represented as 2-character country code defined by ISO 3166.
Message element:
Request frame (HOST to PIN Pad)
Field Length
Value and description
<SI> 1 <0F>
1F 2 Message ID
<SO> 1 <0E>
[LRC] 1 Checksum
Response frame (PIN Pad to HOST)
Field Length
Value and description
<SI> 1 <0F>
1F 2 Message ID
[Prompt List] 20 Format:
[active country code]
<FS> [country code0]
….
<FS> [country code5]
<SO> 1 <0E>
[LRC] 1 Checksum
Message flow:
HOST Direction PIN Pad
Message 1F
(Request frame)
<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)
Message 1F
(Response frame)
<ACK>/<NAK>/<EOT>