Fiber Optic Adapters and Fast Connectors
DOWELL Is A Professional Ftth Accessories Supplier in China Since 2006, Offering Drop Wire Clamp, Fiber Optic Connector.
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DOWELL Is A Professional Ftth Accessories Supplier in China Since 2006, Offering Drop Wire Clamp, Fiber Optic Connector.
● DOWELL Attenuators are qualified for submarine networking system.
● DOWELL Singlemode Attenuators are manufactured by Build Out Process to get excellent operational stability and highly automated workstation to have superior repeatability & uniformity.
● Patented technology focused on all attenuated fiber & perfect polishing treatment results for nice quality in terms of low ripple, no visible scratch, cracks, chips, blemishes or pits under 400X DORC, and specialty that RL< -55 for any dB value.
● We offer 1~20 dB and standard attenuation values at 3, 5, 10, 15 and 20 dB, advantaging economy scale for mass productive supply and custom-made attenuation value meeting your specific requirement, supported by our technical team to obtain the best synergy.
● Wavelength Independent
● Low rippl
● Eexcellent Environmental stability
● Design certified to more than 200mw continuous
● Power handling capacity with no degradation in performances
● Back reflection performance to<-55db availab
● For UPC and <-60db available for APC
● Polarization insensitive
● Long Haul Telecommunication
● Fiber in the Loop (FITL)
● Local Area Networks (LAN)
● Cable TV & Video distribution
● Passive Optical Networks
● Network Testing
Parameters | Unit | Performance | ||
Grade | Premium | Grade A | ||
Attenuation Variation | Att. < 5 | dB | ± 0.5 | ± 0.75 |
Att. > 5 | dB | ± 10% | ± 15% | |
Return Loss | dB | 45 dB---(PC) | ||
Operating Temp | °C | -40 to +75 | ||
Vibration resistance | < 0.1 X att. value | |||
Environmental & mechanical | Conditions |
Uncontrolled Operating Environment | - 40°C to +75°C, RH 0 to 90% ± 5%, 7 days |
Non-operating Environment | - 40°C to +70°C, RH 0 to 95% |
Humidity Condensation cycling | - 10°C to +65°C, RH 90% to 100% |
Water Immersion | 43°C, PH = 5.5, 7 days |
Vibration | 10 to 55 Hz 1.52 mm amplitude for 2 hours |
Durability | 200 cyc., 3 ft., 4.5 ft., 6 ft. per GR-326 |
Impact Test | 6 ft. drop, 8 cycles, 3 axe |
Applications
● Long Haul Telecommunication
● Fiber in the Loop (FITL)
● Local Area Networks (LAN)
● Cable TV & Video distribution
● Passive Optical Networks
● Network Testing
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