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Twinaxial cabling, or twinax, is a type of cable similar to coaxial cable, but with two inner conductors in a twisted pair instead of one. [3] Due to cost efficiency it is becoming common in modern (2013) very-short-range high-speed differential signaling applications.
MIL-STD-1553B does not specify the length of the cable. However, the maximum length of cable is directly related to the gauge of the cable conductor and time delay of the transmitted signal. A smaller conductor attenuates the signal more than a larger conductor. Typical propagation delay for a 1553B cable is 1.6 nanoseconds per foot.
The primary applicable specifications are MIL-C-39012 (relative to RF coaxial connectors such as BNC, N, etc.), MIL-C-49142 (related to concentric twinax/triax connectors) and MIL-DTL-38999 (related to military type cylindrical connectors). One of the most popular types of connectors used on the data bus is the concentric twinax bayonet style.
Twin BNC (also known as twinax) connectors use the same bayonet latching shell as an ordinary BNC connector but contain two independent contact points (one male and one female), allowing the connection of a 78 ohm or 95 ohm shielded differential pair such as RG-108A. [17]
Triaxial cable, often referred to as triax for short, is a type of electrical cable similar to coaxial cable, but with the addition of an extra layer of insulation and a second conducting sheath. Triax provides greater bandwidth and rejection of interference than coax, but is more expensive.
A double DIN 1.6/5.6 bulkhead jack connector, crimp type, for 75 Ω coaxial cable A Type N connector (male), right-angled solder-type for semi-rigid coaxial cable with a diameter of 0.141-inch. 4.1-9.5 connector, standardized as DIN 47231 (in 1974) and IEC 60169-11 (in 1977) 4.3-10 connector, formerly known as DIN 4.3/10, now standardized as ...
The first succeeding Terabit Ethernet specifications were approved in 2017. [4] The standards define numerous port types with different optical and electrical interfaces and different numbers of optical fiber strands per port. Short distances (e.g. 7 m) over twinaxial cable are supported while standards for fiber reach up to 80 km.
"Straight Twinax cables can go up to 5,000 feet (1,500 m) or 1 mile (1.6 km)" 5000 feet is roughly one mile, but 1500m = 1.5km. The original article says 5000 feet ...