have looked all over the thing and there is no other barcode number !! how frustrating is that !!!
only other numbers are 286-8497-33 and 96 392 195 80 with no descriptive of what they are. The radio has no makers name, just says on the front its an RDS-EON which makes me think its the original Peugot radio.
Your radio is made by CLARION and the only CLARION code available for free (using a serial number ) from anywhere on the Internet is if your radio also has a BARCODE SERIAL NUMBER beginning with C7000000 + + + + on a label somewhere on the metal casing.
If not then it will only be available from your Main Dealer or a Decoding Service or your local Car Radio / Audio Store who will connect a laptop to read/recode the memory chip (EEPROM)