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Optelecom 9921DR/SM/ST 9921 Single Digital Video Receiver 23822-3


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Optelecom 9921DR/SM/ST Single Digital Video Receiver w/ Bi-Directional Data


Video format NTSC, PAL

Video input 1Vpp into 75Ω

Connector type BNC

Bandwidth 5Hz to 6.5MHz (-3dB)

Differential gain 1.0%

Differential phase 0.7

Signal-to-noise ratio 63dBw

Video encoding Uncompressed 9-bit linear PCM

Video sampling rate 16MHz


Port Data

Interface Selectable duplex RS-232, RS-422 2- or 4-wire, RS-485 2- or 4-wire, Manchester,


Rate RS-232, RS-422, and RS-458 up to 128kb/s (auto baud), Manchester Bi-phase


Connector type 5-pin removable screw terminal except the 9229DT-P that mounts directly to the

camera PC board


LED status indicators

9221DT, 9225DT Video in, sync, not sync, loop, RD

9221DR, 9225DR Tx video in, loop, sync, not sync, RD

9229DT-P Sync, not loop, RD

Management system 9900 Network Management System (NMS)



Condition New
Brand Optelecom
Model 9921DR/SM/ST
MPN 23822-3
Country/Region of Manufacture Unknown