GPON serial number converter
Convert GPON and XGS-PON ONT serial numbers between the text form (HWTC1A2B3C4D) and the hex form (485754431A2B3C4D).
How to use the GPON serial number converter
- Paste one or more ONT serial numbers, in either format.
- Each one is shown in text and hex form with the vendor.
- Copy the table for your OLT configuration.
Frequently asked questions
Why are there two formats?
The first four characters are a vendor ID. Some OLTs show them as letters (HWTC), others as their ASCII codes in hex (48575443).
Is the rest of the serial changed?
No. The last eight hex digits stay the same in both formats.
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