Poly Blackwire 3215 Monaural USB-C Headset + 3.5mm Plug + USB-C/A Adapter Video Electronics The four DB9 ports can

The four DB9 ports can be independently configured to support RS-232

Best suited for wire wrapping and flagging

SMALL FORM FACTOR: With no attached cable

Manufacturer Part Number: 15590159

Poly Blackwire 3215 Monaural USB-C Headset + 3.5mm Plug + USB-C/A Adapter Video Electronics The four DB9 ports canPoly Blackwire 3215 Monaural USB C Headset + 3. 5mm Plug + USB C A Adapter Freedom to work your way The Blackwire 3200 Series provides a quality audio experience in a headset that's built for enterprise needs. With a sleek design and flexible microphone boom for a customizable fit, what's not to love? Poly signature audio quality Experience the high quality audio you expect from Poly with a headset that offers PC wideband, a noise canceling mic, and