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GB/T 20851.2-2019 Active
GB/T 20851.2-2019 Electronic toll collection—Dedicated short range communication—Part 2:Data link layer
Abstract
This part of GB/T 20851 specifies the main parameters, information frames, and requirements for establishing and disconnecting dedicated communication links, as well as the MAC sublayer and LLC sublayer of the electronic toll collection dedicated short-range communication data link layer. This part is applicable to electronic toll collection systems for highways and urban roads, and can be used as a reference in fields such as automatic vehicle identification and vehicle access management.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 20851.2-2019 |
| CCS | Computing openness and system interconnectivity |
| ICS | \nData link layer |
| Implement Date | 2019-12-01 |
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