The first data cables were PVC-insulated single conductors that were stranded into pairs to prevent possible faults. Later, it was ascertained that low-capacity insulation (e.g., polyethylene) has ...
This image shows the difference between standard industrial Etherent cabling (top) with 4 twisted wire pairs and SPE cabling (bottom) with one pair of twisted wires. SPE delivers standard Ethernet ...
The technology started with 10-Mb/s coax cabling (10BASE5). Twisted-pair and RJ45 connectors quickly replaced that, while fiber optics was implemented for high-speed, long-distance communication.
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