Model Number: NT-D800R-20KM-M Brand Name: N-NET Key Specifications/Special Features: Video converter with one fiber port and eight BNC ports 20KMApplications *CCTV networks *Video conferencing *Industrial monitoring systems *Distance learningFeatures and benefits

* Uncompressed 8 bit video digital sampling, High-speed synchronous digital transmission technology
* Modular structure design(audio card and data card for optional configuration)
* Super optical dynamic range, no adjustment needed
* Status indication for power supply, optical signal and video
* No electromagnetic interference, radio frequency interference and ground current
* Safe transmission guaranteed under poor electromagnetic environment
* BNC video connector
*FC optical connector
*Video DC recovery
* Maximum tolerable link loss for single mode single fiber is 18db

Technical indicators

Video characteristic
Video channel: 8 channel
Video input/output impedance: BNC75Ω unbalanced interface
Video input/output voltage: Typical peak-peak value 1Vp-p
Video bandwidth: 6.5MHz
Video digital bit width: 8 bit
Differential gain: <1.3% (typical value)
Differential phase: <1.3°(typical value)
SNR: >63dB

Data interface
Number of data channels: 1 channel
Physical interface: The industry standard connecting terminal
RS232 rate: DC-115.2Kbps
RS422/485 rate: DC-115.2Kbps
RS485 distance: 0-1200m
Physical protocol: Transparent support of RS232/485/422/Manchester/Biphase protocol

Optical interface
Physical interface: FC/PC
Fiber type: single-mode fiber, single fiber
Transmission distance: single mode 20Km

Power supply
Input voltage: AC220/DC+5V

Electromagnetic compatibility
Radiation: EN50081-1, EN55022-B, CE, FCC
Magnetic capacity: EN50130-4, EN50028-1

Physical characteristic
Operating temperature: -25°C ~ +75°C
Humidity: 0~95% (no condensation)
Induction: EN50130-5, 1995
Tidal fever: BS2011
Dimension: 174×110×47mm (BNC head and installation edge not included)