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OPT-E-MAN Optical Ethernet Metropolitan Area Network is a public, switched Ethernet solution that connects separate LANs across a metropolitan area. OPT-E-MAN provides a fully managed service that uses optical transport.

OPT-E-MAN builds on the strengths of our network with Cisco equipment to provide you with scalable optical service within the metropolitan area. This service provides flexible bandwidth options, from 10 Mbps to 1 Gbps, to help you meet your growing Ethernet application needs.

OPT-E-MAN supports many transport data configurations (point-to-point, point-to-multipoint, multipoint-to-multipoint). It uses physical and virtual connections to satisfy your specific business requirements.

OPT-E-MAN offers you the ability to have multiple locations communicate with each other using a pure Ethernet solution, which supports many different types of business applications.

How does it work?
OPT-E-MAN uses Ethernet LAN packets that run over optical fiber to the Internet or your intraLATA network. The fiber transport connects to network terminating equipment at your location, and you connect to the service using a router, bridge, or switch.

Options
The following options are available with OPT-E-MAN:

• Bronze Service - supports data applications with time-varying traffic and/or those applications that are lower in priority.
• Silver Service - supports applications that require minimal loss and low latency variation, such as VoIP. Traffic in this grade of service receives a queue priority that indicates it is delay sensitive (future enhancement).

Components
OPT-E-MAN uses these components:

• Ethernet Port, Transport, and Interface - comes from the network terminating equipment at your location.
• Ethernet Virtual Connection (EVC)crosses the physical connection and the Ethernet cloud.

Availability
OPT-E-MAN will be available in select cities 4Q 2003/first half 2004.

Ordering
Interested in finding out more about our products and services?
Call 1-877-792-5670.

OPT-E-MAN^SM is provided by the SBC local phone companies pursuant to tariffs filed with the FCC and state public utilities commission. OPT-E-MAN will be offered with guaranteed throughput thresholds based on the service configuration provided to the customer. There are distance limitations with OPT-E-MAN service based on the Network Terminating Equipment owned by the SBC local phone companies to provide service to the customer. All service designs will need to be verified prior to selling and installing OPT-E-MAN to ensure correct provisioning and maintenance.