3ft (1m) DB9 to 3.5mm Serial Cable for Serial Device Configuration, RS232 DB9 Male to 3.5mm Cable Used for Calibrating Projectors, Digital Signage

This serial cable features male DB-9 and 3.5mm connectors. It enables remote serial RS232 calibration of TVs, projectors, and digital signage devices

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StarTech.com 3ft DB9 to 3.5mm Serial Cable (9M351M-RS232-CABLE