Protocol scope and method
Each byte stores two decimal digits. The expected width depends on the selected protocol edition and platform profile.
BCD byte = highDigit × 16 + lowDigit.
Common questions
Does the JT/T 808 Terminal ID BCD Converter leave my browser?
No application upload is used. Avoid putting sensitive production data in shareable URLs.
Is this a standards compliance test?
No. Confirm the edition and vendor profile with licensed documents and your target platform.
Offline diagnostic aid. Verify fields, version and vendor extensions before production use.