T1/DS1 broadband in South Carolina uses two pairs of copper wire for transmission over telephone lines. An ordinary telephone line uses the DS0 transmission protocol, which carries 64 Kbit per second. A T1 line uses the DS1 protocol to combine the equivalent of 24 telephone lines for a total bandwidth of 1.536 Mbit per second.

South Carolina T1 providers usually sell T1 lines to private customers in DS0 fractions. However, a small business will typically use a full T1 line to connect to the Internet and a larger business may use multiple T1 lines bundled together.

There are three primary factors to consider when you compare South Carolina T1 service providers:

1. Prices for T1 in South Carolina vary in part according to your distance from the carrier’s Point of Presence. The further you are from the carrier’s POP, the more your T1/DS1 line will cost.

2. Major carriers usually own and operate their own networks, generally resulting in the best actual transmission speeds.

3. A channel bank is necessary to separate the DS1 data stream back into the 24 DS0 data packets. This device is relatively expensive to purchase or lease and represents a substantial investment for a small business.

Action Steps
The best contacts and resources to help you get it done

Locate South Carolina T1 providers that sell full T1 service

Use dedicated T1 in South Carolina to provide your employees access to a T1 Internet. South Carolina providers frequently include multiple static IP addresses and email addresses under your domain name.

I recommend: Intercom provides businesses across the country with full and bonded lines. Qwest is a Tier 1 provider that offers full T1 lines. You can obtain pricing and availability information on Qwest's website by submitting your telephone number.

Find dedicated T1 providers in South Carolina that specialize in business packages

Get T1 access in South Carolina from a provider that can meet your needs now and scale your requirements as your business grows.

I recommend: AT&T offers single and bundled T1 service to its OC-48 and OC-192 backbone and uptime of 99.95 percent. USA Digital provides fractional and full T1 service to businesses that require reliable and secure connections to the Internet.

Check out local provider packages from a T1 carrier in South Carolina

A local provider of T1/DS1 broadband in South Carolina connects your business to the carrier's POP. This connection is known as the local loop and represents a substantial component of a T1 line's cost.

I recommend: LogicSouth is an enterprise solutions company that provides a complete set of Internet services to businesses of all sizes in South Carolina. SCANA Communications is in Columbia and offers a variety of broadband services to businesses in South Carolina.

Tips & Tactics

Helpful advice for making the most of this Guide

• •  South Carolina T1 broadband is also available as a channeled circuit to allow voice traffic on a portion of the channels. These voice channels may be plain T1 or Primary Rate Interface channels. Call centers frequently use PRI lines because they also carry signaling data such as Caller ID and Automatic Number Identification data.