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January 20, 2017
1:55 PM
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What is DS3?
DS3 or Digital Signal level 3 is a standardized TDM service offering a bandwidth of 45 Mbps. It may be delivered over SONET fiber optic service or over copper coaxial cable. When delivered over copper, the line is generally referred to as a T3 line.

When to Use Pseudowires
A pseudowire is a virtual "circuit" that emulates a traditional digital telecom service but on a packet switched network. MPLS networks are especially suitable for pseudowires. By using a pseudowire circuit, you can get the point to point connectivity you desire without having to re-engineer your facilities to accommodate a different protocol network.

Applications Demanding DS3 Bandwidth
DS3 transport is often used for real time video transport, high resolution images, large engineering files, and data backups to remote data centers. You can get this bandwidth through fiber optic delivery or over copper coaxial lines, called T3 lines.

DS3 as Ethernet Transport
DS3 bandwidth at 45 Mbps can easily transport 10 Mbps Ethernet over SONET or T3 line, even with the additional overhead needed to convert from packet to TDM back to packet protocol. For Fast Ethernet transport, an OC3 service at 155 Mbps would be required.

What is DS3 over Copper?
DS3oC, or DS3 over Copper, is a last mile connectivity solution that delivers high bandwidth service where fiber optic connections are unavailable or not cost effective to construct. Instead, standard twisted pair copper wires like those used for telephone or T1 line service provide the link from the carrier POP to your building. Multiple pairs and special modulation schemes are used to provision carrier-grade DS3 service on copper wiring.


Carrier Ethernet & DS3 Bandwidth
Find legacy 45 Mbps DS3 bandwidth over fiber / coaxial copper and 50 - 100 Mbps Carrier Ethernet over Fiber solutions for commercial and organizational (not residential) applications. Find out in seconds if your building or a nearby location is already lit for low cost fiber optic network service. Simply enter your building address in the form below and check the map results...

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