Active Optical Cable Vs Transceiver

As one kind of optical transceiver assembly a direct attach cable dac is used to connect one mobility access switch with another when forming a stack which can be either passive or active.

Active optical cable vs transceiver.

Sfp gbic sfp xfp qsfp qsfp28 cfp twinax direct attach cables and active optical cables. 10gtek s sfp active optical cable transmits 10gbps data in each direction over. Longwave shortwave and wdm datacom applications using fast ethernet gigabit ethernet 1x 2x 4x fibre channel telecom applications using oc 3 stm 1 oc 12 stm 4 oc 48 stm 16 epon gpon and wireless cpri across all reaches. Active optical cables are much thinner and lighter than copper cables which makes cabling easier.

Active optical cables enable efficient system airflow and have no emi issues which is critical in high density racks. Back in the past when internet speeds were never more than 10 gbps networking equipment consisted of many sfp transceiver plug in slots and a lot of rj45 ports that had the capacity to run at 10 100 1000mbps. My first blog covered direct attach copper dac cables which are the least expensive way to create a high speed 25g 50g 100gb s interconnect but have a maximum reach of about 3 5 meters. 10gtek s sfp active optical cables are hot swappable low voltage cable assemblies that connect directly into sfp modules at both ends.

What s the difference between active and passive direct attach cables dac. This active optical cable is electrically compliant with the sfp interface and supports infiniband ethernet fibre channel myrinet and other protocols. Transceivers transponders and active optical cables sfp copper and optical. Active optical cable aoc wiki.

Since the passive dac cable contains no active components it provides a direct electrical connection between corresponding cable ends. Cbo is a manufacture of active and passive network solutions. Optical transceivers active optical cable and direct attach twinax cable solutions mpo mtp solutions sas solutions stacking cables fiber optic patch cords plc splitters multiplexers demultiplexers as well as other data center and cloud solutions. It uses electrical to optical conversion on the cable ends to improve speed and distance performance of the cable without sacrificing compatibility with standard electrical interfaces.

The blueoptics and bluelan brands include the following products. Cisco currently offers active optical cables in lengths of 1 2 3 5 7 10 15 20 25 and 30 meters. Active optical cables aocs pick it up from there and can reach up to 100 200 meters and are the least expensive. Active optical cable aoc can be defined as an optical fiber jumper cable terminated with optical transceivers on both ends.

So the basic idea of aoc is to embed the active optical transceiver components into the electronic connector instead of using separate optical transceiver and pluggable fiber cable. These cables use a 20 position connector with active circuitry to increase distances and to improve emi and reduce signal loss. Hpc optics is a trusted supplier of fiber optic transceivers active cables and interconnects for data centers and high performance networks. What are direct attach cables and why are they important.