Norwegian 
English 
PASSIVE WDM/ CWDM SOLUTIONS FOR TELECOM
PASSIVE WDM/ CWDM SOLUTIONS FOR TELECOM
One of the biggest challenges faced by network operators is the constant growth in data traffic. Cell phones, streaming, teleworking, mobile commerce, and new LTE services such as wireless broadband demand increasingly more bandwidth, leading to ever greater demands on the backhaul capacity of the network at the same time as it is expensive to add more fiber. Previously, this problem was most prevalent in densely populated areas, but this is also beginning to appear in more sparsely populated areas where there is less fiber available.
Show products
Cube Optics (CUBO) Addresses Capacity Challenges in Telecom, HFC, Data Centers, and Mobile Front and Backhaul
CUBO has assisted many network-operators in increasing the capacity of their networks by quickly and efficiently rolling out forward-looking WDM solutions with low deployment and operational costs, and rapid installation.
WHAT IS WDM?
WDM is a collective term for CWDM and DWDM, which stand for Coarse and Dense Wave Division Multiplexing, respectively. In short, this involves sending multiple signals at once in the same fiber by using different wavelengths. In this way, a single pair of fibers can transmit over 80 separate traffic channels, significantly increasing capacity.
WDM systems come in two main types: passive and active. Passive WDM systems consist only of multiplexers, splitters, etc., that do not require power, while active systems contain components that require power and configuration to function.
WHY PASSIVE WDM?
Advanced, active fiber optic solutions offer the highest capacity and most possibilities in terms of flexibility and range, but are often overkill in terms of technical requirements, not to mention CAPEX and OPEX; an active solution can easily be 5-10 times more expensive than a passive one. In most cases, passive WDM solutions can provide sufficient capacity with up to 500Gbps per fiber pair over distances up to 80km, entirely without active equipment. The solutions comply with Telcordia GR-3108 Network Equipment in the Outside Plant for operating temperatures between -40C and +85C.
Our passive WDM solutions are available in a range of form factors from standard 19” racks to ultra-compact, suitable for ODFs, distribution cabinets, data centers, manholes, splice boxes, street cabinets, etc., both indoors and outdoors. A wide selection of multiplexers and splitters allows the solutions to be combined in many different ways and tailored to each customer's needs.
Bredengen can supply CWDM and DWDM systems for access and distribution networks, mobile networks, backhaul, fronthaul, and video systems/broadcast. Our xWDM systems are also compatible with our systems for RF and GPS over fiber.
