Table of Contents - APTAStandards.com
Table of Contents - APTAStandards.com
Table of Contents - APTAStandards.com
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
• Front-end devices<br />
4.7.2 Applicability to UTFS Effort<br />
TransLink<br />
modate the unique fare and business<br />
le structures <strong>of</strong> at least 26 participating transit agencies. It currently supports majority<br />
<strong>of</strong> the fare t t the US public transit industry. Of all the<br />
ocuments analyzed, this specification is the only one that is based on an actual<br />
d<br />
® is the first smart card based regional transit fare payment system in the<br />
United States. The system is designed to ac<strong>com</strong><br />
ru<br />
produc ypes that are available in<br />
d<br />
implementation. There is a one to one match between most <strong>of</strong> the TransLink UD an<br />
WP 4 message types.<br />
ERG stated that the APTA-000 specifications analyzed in the Section 4.9 <strong>of</strong> this<br />
document will supercede the Phase I TransLink document analyzed below, and<br />
represent<br />
the foundation <strong>of</strong> the Translink Phase II messages.<br />
4.7.3 Common Message Structure<br />
The TransLink ® message structure consists <strong>of</strong> a header followed by a UD record, which<br />
contains the tr ansaction specific usage data as illustrated<br />
in Figure 4.7-1. The structure<br />
is designed to allow bat ch transmission <strong>of</strong> multiple card transactions or event data<br />
under a sin gle header. The UD record consists <strong>of</strong> 18 sub fields, which include both<br />
financial and non-financial transaction data and support VEI data structures by<br />
utilizing VEI log file dialogs.<br />
Header<br />
Version<br />
Header<br />
Header<br />
Length<br />
Card<br />
SN<br />
Transaction<br />
Sequence<br />
Batch<br />
Sequence<br />
Contract<br />
ID<br />
Operator<br />
ID<br />
Exhibit 4.7-1 TransLink ® Usage Data Records<br />
Header UD RECORD<br />
Contract<br />
SN<br />
4.7.4 Message Types<br />
Security<br />
Module<br />
ID<br />
Contract<br />
Sequence<br />
#<br />
Device<br />
ID<br />
Contract<br />
Sync<br />
#<br />
Payment<br />
Method<br />
Key UD UD<br />
Version<br />
NO<br />
Transaction<br />
Qualifier<br />
MAC Header<br />
Version<br />
Amount<br />
Operator<br />
ID<br />
Sequence<br />
#<br />
Date<br />
and<br />
Time<br />
Location Balance<br />
UD<br />
Type<br />
Last<br />
Add<br />
Value<br />
Summary<br />
The TransL ink transactions fall into one <strong>of</strong> the following six UD types:<br />
®<br />
• Fare Transaction<br />
• Add Value Transaction<br />
• Card Management Events<br />
• Device Events<br />
• Audit Register Snapshots<br />
UD<br />
Sub-<br />
Type<br />
Card<br />
Sync<br />
No<br />
UD<br />
Version<br />
Each UD type is further divided into subtypes within them as listed in Appendix B.<br />
Page 52<br />
Fare<br />
Category<br />
Usage<br />
Data<br />
Destination<br />
Location<br />
MAC<br />
MAC