Video:                                                                                                                                                                                                                                                                                                       Channel:4 channel positive  vidoe  video                                                                                                                                                                
Format: PAL/NTSC/SECAM
Bandwidth:8MHz
Differential gain: <1% (typical)
Differential phase: <0.7 degree (typical)
S/N ratio: greater than 65dB
Input/output impedance: 75Ω (unbalanced)
Input/output voltage: 1.0Vp-p (typical)                                                                                                                                              Data:                                                                                                                                                                                                                                       
   Data interface :RS-232，RS-485/422: RS-485
   Support mode:half-duplex/reverse Simplex
   Bit error rate:  ＜10-9
   Communication rate: DC～300Kbps
   Standard phoenix terminals                                                                                                                                                                                                                                              
Optics:
  Multimode: 50、62.5/125u  single-mode:9/125u§ 
  Wavelength: 1,310mm /1550nm                                             
  Optical sensitivity: -30dB 
  DFB laser output power: -10~3dBm
Connectors:
Video: BNC
Optic: ST, SC and FC (optional)
Environment:
Operating temperature: -35 to +70℃
Operating humidity: 0 to 95% (non-condensing)
  Operating volatage:5VDC/1A