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Archived — Copper Products

What is Ethernet Auto-Negotiation?

Auto-negotiation is the feature that allows a port on a switch, router, server, or other device to communicate with the device on the other end of the link to determine the optimal duplex mode and speed for the connection.

The driver then dynamically configures the interface to the values determined for the link.

1. Speed:

Speed is the rate of the interface, usually listed in megabits per second (Mbps). Common Ethernet speeds include 10 Mbps, 100 Mbps, and 1,000 Mbps. 1,000 Mbps Ethernet is also referred to as Gigabit Ethernet.

 

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Maximum Distance of Twisted Pair Copper Cabling

>> Maximum Distance of Twisted Pair Cabling Based on ANSI/TIA 568 (C.0, C.2, C.3) Application Media Distance meters (feet) Notes Ethernet 10Base-T Category 3, 5e, 6, 6A 100 (328)   Ethernet 100Base-T Category 5e, 6, 6A 100 (328)   Ethernet 1000Base-T Category 5e, 6, 6A 100 (328)   Ethernet 10GBase-T Category 6 100 (328)   ADSL Category 3, 5e, 6, 6A 5,000 (16,404) 1.5 Mbps to 9 Mbps VDSL Category 3, 5e, 6, 6A 5,000 (16,404) 1,500m (4,900 feet) for 12.9 Mbps 300m (1,000 feet) for 52.8 Mbps Analog Phone Category 3, 5e, 6, 6A 800 (2,625)   Fax Category

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What Is Unshielded-Twisted-Pair (UTP) Cable

:: What is UTP Cable? UTP stands for Unshielded Twisted Pair cable. UTP cable is a 100 ohm copper cable that consists of 2 to 1800 unshielded twisted pairs surrounded by an outer jacket. They have no metallic shield. This makes the cable small in diameter but unprotected against electrical interference. The twist helps to improve its immunity to electrical noise and EMI. (You can get Cat 5e and Cat 6 UTP Patch Cable from us) For horizontal cables, the number of pairs is typically 4 pair as shown below. For backbone cables, the number of pairs will typically be

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