Private Line: T1/DS1
Qwest Private T1 Line & DS1 Line Service
Digital Transport for Voice, Video and Data
Many businesses accommodate their growing voice, data and video transport needs by purchasing additional low-speed circuits. Over time, that can add up to excessive circuits and expense. Qwest® T1/DS1 Service can reliably and securely aggregate that traffic on a single, cost-effective, high-speed circuit, eliminating the need for multiple low-speed channels.
Description
Qwest T1/DS1 Service is a dedicated, full duplex, point-to-point, high-capacity Private Line transport service (PLTS) that provides transmission of isochronous serial data at 1.544Mbps. The service has the capacity of 24 voice-equivalent channels. Because the transmission is digital, the signal is clean and free of crosstalk, amplified noise and distortion. T1, also known as DS1, channels are provided between customer-designated premises or between customer-designated premises and a Qwest central office. The service is provisioned on copper, fiber and in some instances, microwave radio. In some high-density cities, T1/DS1 is provisioned on a synchronous optical network (SONET)-based interoffice network that connects key serving wire centers.
Features
T1/DS1 lines offers a variety of optional features and functions:
- Central office multiplexing—Has the capacity of 24 voice-equivalent channels.
- Central office multiplexer-to-multiplexer connecting arrangement interconnects at the T1/DS1 level.
- Command a Link™ gives you control of services.
- Clear channel capability transports data without constraints.
- Environmental cabinet terminates service on a pole or outside a building.
- Protection options:
- Self-healing alternate route protection (SHARP) protects the local loop.
- SHARP Plus extends protection to the interoffice portion of the circuit.
- Automatic loop transfer protects against failure of copper facilities.
- The main characteristics of T1/DS1 are framing and line code:
- Framing options include D4 framing, extended super frame (ESF), non-ANSI (American National Standards Institute) and free framing.
- Line code options, identified by network channel interface (NCI) codes, include alternate mark inversion (AMI) and binary eight zero substitution (B8ZS).
Benefits of T1/DS1 lines
- Ensures reliable, secure transport of high-volume communications between two locations.
- Aggregates your point-to-point voice, data and video traffic on a single dedicated, cost-effective circuit.
- Improves response time.
- Provides clean, pure transmissions.
- Provides a service guarantee—provisioning and repair.
- Enhances the quality and utility of your service with optional features.
How T1/DS1 Service Works
T1/DS1 channels can be provided between two of your designated locations, or between one location and a Qwest wire center.
Why Buy from Qwest?
- Qwest is a T1/DS1 service provider that features a provides self-healing alternate route protection option, which offers instantaneous service restoration.
- Available throughout the 14-state Qwest local service territory.
- Discounts are available with regional commitment program and term discount pricing plans.
- Contract terms stabilize your cost over a long term.
- Service level agreements guarantee provisioning due dates and provide credit for service interruptions.
- Qwest is a facilities-based telecommunication provider with a legacy of experience and service.
Other Products Available from Qwest
In addition to Qwest T1/DS1 Line Service, Qwest has an array of products to meet your needs, including:
- Qwest® T3/DS3 Service
- Qwest® Synchronous Service Transport (SST)
- Qwest® Self-Healing Network Service (SHNS)
