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I would like to identify this connector in order to buy it
This is the same size as DB25 but this is not with pin like on the parallel port
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Looks like Hirose DX20-50P(55) or DX40-50P-55. Hard to tell from your photo but I think it looks smaller than Centronics. Suggest you check the measurements in the catalog to confirm.
digkey.com Hirose DX20M-50S(50)
digikey.com Hirose DX40-50P-55
Centronics 50 pin. Popular for SCSI 1
EDIT: Latches don’t match as brhans pointed out. Could be Micro DB50.
Required, but never shown