Active Optical Cable Vs Twinax

Generally twinax cables shorter than 7 meters are passive and those longer than 7 meters are active but this may vary from vendor to vendor.

Active optical cable vs twinax.

Cisco sfp active optical cables. Twinax cable see in following figure is a type of cable similar to coaxial cable that has two inner conductors instead of one. Active optical cables are much thinner and lighter than copper cables which makes cabling easier. Primarily active optical cable aoc assemblies were invented to replace copper technology in data centers and high performance computing hpc applications.

Cisco offers active optical cables in lengths of 1 2 3 5 7 and 10 meters. The circuitry in active sfp cable thus brings up the overall cost. 10g twinax vs fiber. The active one helps to improve signal quality and provides a longer cable distance.

And owing to its cost efficiency it is commonly used in short range high speed differential signaling applications. The difference is that there are two inner conductors other than on in coaxial cable. Twinax cable is a type of cable similar to coaxial cable. The direct attach optical cables are cheaper than twinax but appear to have the same compatibility matrix.

The dac cable is a fixed assembly that is purchased at a given length. If you want to connect a brocade cna to a cisco tor switch nexus you could use the emc active twinax cable. Currently there is a twinax cable which comes in either passive or active copper cable. Currently there is a copper 10 gigabit ethernet cables which comes in either continue reading active and passive twinax sfp cable.

Sfp sr is flexible and future proofing. Cisco currently offers active optical cables in lengths of 1 2 3 5 7 10 15 20 25 and 30 meters. This kind of cable is commonly used for very short range high speed differential signaling applications. Sfp h10gb acu10m vs sfp 10g aoc10m i ve been searching around but can t seem to find any reasons to use one over the other aside from cost about a 40 difference which leaves it at like half the cost of just one sfp module.

Cisco sfp active optical cables figure 5 are direct attach fiber assemblies with sfp connectors. Active optical cables enable efficient system airflow and have no emi issues which is critical in high density racks. As we know copper passive twinax cable is heavy and bulky making it difficult to physically manage the datacenter. Why use active optical cable aoc cable.

The brocade cnas support active twinax from brocade or emc s active twinax cable. For 10g twinax vs fiber we cannot make our decisions until we clear knows each function. As of right now the qlogic 815x and emulex oce1012 support either active or passive twinax from both cisco and qlogic. Seen from the material of the cable dac cable can be classified into direct attach copper cable and active optical cable aoc.