Optical Ethernet Transparent LAN (OPT-E-MAN)
AT&T Optical Ethernet Transparent LAN Service (OPT-E-MAN) is an advanced switched Ethernet product that provides point-to-point and point-to-multipoint
transparent LAN service (TLS) for a metro area. Fiber facilities are required, as is AT&T-owned network terminating equipment (NTE) located at the customer
premises.
The current OPT-E-MAN product supports both 10/100 Mbps and 1 Gbps customer handoffs with bandwidth CIR options ranging from 10 Mbps to 1 Gbps.
OPT-E-MAN can be used for interconnecting multiple customer LANs within the same LATA (i.e., IntraLATA) appearing as segments on the same LAN.
OPT-E-MAN is also available as a high-speed connection to AT&T Ethernet Dedicated Internet Access (EDIA) service.
The AT&T local phone company uses Cisco 7609 switches to form the core Ethernet over MPLS (EoMPLS) network. We use Cisco 3550 switches, placed at your
premises, as Layer 2 switch devices to provide both routing and switching. The Cisco 3550 also serves as NTE. The Cisco 3550 allows AT&T to extend the
EoMPLS network to the customer premises. A Cisco 3550 repeater may be placed in the network between the Cisco 7609-equipped wire center to the customer
premises on distance and condition of fiber.
ELinks are built using Ethernet virtual connections (EVCs). EVCs are logical connections between two or more customer locations across the OPT-E-MAN network.
We can provide an Ethernet virtual private LAN (EVPL) service using EVCs. From the Cisco 3550 perspective, the EVCs are constructed using either Ethernet Wire
Service (EWS) or Ethernet Relay Service (ERS). We can configure these port-based services as single or multiple EVCs.  
OPT-E-MAN service includes the transport from the customer premises to the Ethernet network, a port on the Ethernet network, and an assigned bandwidth usage,
which includes the CIR and one EVC. We include the 1 Gbps connection and 1 Gbps usage in the network overhead.
You must order OPT-E-MAN via an OPT-E-MAN standard interface, described as follows (and in the figure below):
·        100BASE-T bandwidth limitation of 100 Mbps
·        1 Gbps Ethernet (1000BASE-SX, 1000BASE-LX/LH or 1000BASE-ZX) is a fiber handoff with a bandwidth limitation of 1 Gbps
Provisioning of this service is subject to the availability and operational limitations of AT&T equipment and associated facilities.
Grades of service, which are similar to quality of service, will be available with the OPT-E-MAN product. Two grades of service are available—Bronze and Silver. The
grades of service are associated with the bandwidth usage rate (committed information rate [CIR]) ordered by the customer for each connection at the customer
locations. If the customer requests multiple EVCs per location, then a grade of service will be associated with each EVC. Service levels are available as listed
below
Bronze: The applications best suited for this grade of service are data applications with more tolerance for delay and/or those that are lower in priority. This grade of
service is the appropriate selection for LAN traffic since it tolerates bursty and time-varying traffic. The service parameters associated with this grade of service are
packet delivery rate (PDR) and latency.
§         PDR guarantee for Bronze grade of service is 99.5% of total traffic
§         Latency guarantee for Bronze grade of service is less than 35 ms one way, end-to-end (70 ms roundtrip)
Silver: Supports applications that require minimal loss and low latency variation (i.e., jitter). The network will provision data in this grade of service in a priority queue
indicating that it is delay sensitive. The service parameters associated with this grade of service are PDR, latency and jitter.
§         PDR guarantee for Silver grade of service is 99.9% of total traffic
§         Latency guarantee for Silver grade of service is less than 25 ms one way, end-to-end (50 ms roundtrip)
§         Jitter guarantee for Silver grade of service is 15 ms one way, end-to-end
 
OPT-E-MANsm Service and Features
OPT-E-MAN Basic Connection 10/100 Mbps P9FEX 10/100 Mbps Ethernet port per location;Assessed per interface at bandwidths of 10/100 Mbps (10/100BASE-T). The OPT-E-MAN connection rate element includes the physical  $   2,500.00  $   666.25   port    NRC applies 
connection between the customer’s demarcation and the core Ethernet network, and a port on the NTE.
OPT-E-MAN Basic Connection Gigabit Ethernet P9FGX 1000 Mbps Ethernet port per location;Assessed per interface at bandwidths of 1Gbps Ethernet. The OPT-E-MAN connection rate element includes the physical connection between the customer’s demarcation and the core Ethernet network, and a port on the NTE.  $   2,500.00  $1,025.00   port    NRC applies 
OPT-E-MAN Basic Plus Connection 10/100 Mbps P9FFX Assessed per interface at bandwidths of 10/100 Mbps (10/100BASE-T). The OPT-E-MAN connection rate element includes the physical connection between the customer’s demarcation and the core Ethernet network, and a port on the NTE.  $   2,500.00  $   666.25   port    NRC applies 
OPT-E-MAN Basic Connection Gigabit Ethernet Mbps P9FHX Assessed per interface at bandwidths of 1Gbps Ethernet. The OPT-E-MAN connection rate element includes the physical connection between the customer’s demarcation and the core Ethernet network, and a port on the NTE.  $   2,500.00  $1,025.00   port    NRC applies 
OPT-E-MAN Ethernet Virtual Connection (EVC) OMEVC EVC rate element assessed in ranges of 5-1000 Mbps and  provided at no charge. EVCs can be assigned in 1 Mbps increments within each range. Customer may order additional EVCs to establish additional virtual connections over the same physical connections.   $                      -     $          -     virtual circuit    N/A 
When additional EVCs are ordered, the customer must designate the portion of the CIR bandwidth assigned to each EVC.
OPT-E-MAN Committed Information Rate – 5 Mbps Bronze R6EAB A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR. Bronze grade of service (GoS).  $       75.00  $   415.13   port    NRC applies 
OPT-E-MAN Committed Information Rate – 10 Mbps Bronze R6EBB A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR. Bronze grade of service (GoS).  $       75.00  $   599.63   port    NRC applies 
OPT-E-MAN Committed Information Rate – 20 Mbps Bronze R6EDB A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR. Bronze grade of service (GoS).  $       75.00  $   830.25   port    NRC applies 
OPT-E-MAN Committed Information Rate – 50 Mbps Bronze R6EHB A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR. Bronze grade of service (GoS).  $       75.00  $   945.56   port    NRC applies 
OPT-E-MAN Committed Information Rate – 100 Mbps Bronze R6ELB A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR. Bronze grade of service (GoS).  $       75.00  $1,107.00   port    NRC applies 
OPT-E-MAN Committed Information Rate – 250 Mbps Bronze R6EQB A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR. Bronze grade of service (GoS).  $       75.00  $1,452.94   port    NRC applies 
OPT-E-MAN Committed Information Rate – 500 Mbps Bronze R6ETB A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR. Bronze grade of service (GoS).  $       75.00  $1,752.75   port    NRC applies 
Committed Information Rate – 1000 Mbps Bronze R6EZB A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR. Bronze grade of service (GoS).  $       75.00  $2,375.44   port    NRC applies 
OPT-E-MAN Committed Information Rate – 5 Mbps Silver R6EAC A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR Silver grade of service (GoS).  $       75.00  $   599.63   port    NRC applies 
OPT-E-MAN Committed Information Rate – 10 Mbps Silver R6EBC A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR Silver grade of service (GoS).  $       75.00  $   784.13   port    NRC applies 
OPT-E-MAN Committed Information Rate – 20 Mbps Silver R6EDC A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR Silver grade of service (GoS).  $       75.00  $1,014.75   port    NRC applies 
OPT-E-MAN Committed Information Rate – 50 Mbps Silver R6EHC A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR Silver grade of service (GoS).  $       75.00  $1,130.06   port    NRC applies 
OPT-E-MAN Committed Information Rate – 100 Mbps Silver R6ELC A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR Silver grade of service (GoS).  $       75.00  $1,291.50   port    NRC applies 
OPT-E-MAN Committed Information Rate – 250 Mbps Silver R6EQC A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR Silver grade of service (GoS).  $       75.00  $1,821.94   port    NRC applies 
OPT-E-MAN Committed Information Rate – 500 Mbps Silver R6ETC A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR Silver grade of service (GoS).  $       75.00  $2,121.75   port    NRC applies 
OPT-E-MAN Committed Information Rate – 1000 Mbps Silver R6EZC A statistically guaranteed level of transmission or guaranteed bandwidth that the network will provide to the EVC. The sum total of the EVCs should not exceed the CIR Silver grade of service (GoS).  $       75.00  $2,744.44   port    NRC applies 
OPT-E-MAN Internet Access 10 Mbps OPT10 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Internet traffic must be less than 10% of total port traffic. $1,000.00 $1,039.35  access  NRC applies
OPT-E-MAN Internet Access 25 Mbps OPT25 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,000.00 $2,434.38  access  NRC applies
OPT-E-MAN Internet Access 30 Mbps OPT30 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,000.00 $2,859.75  access  NRC applies
OPT-E-MAN Internet Access 50 Mbps OPT50 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,000.00 $4,480.28  access  NRC applies
OPT-E-MAN Internet Access 100 Mbps OPT100 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,000.00 $8,200.00  access  NRC applies
OPT-E-MAN Internet Access 125 Mbps OPT125 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,000.00 $9,993.75  access  NRC applies
OPT-E-MAN Internet Access 150 Mbps OPT150 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,000.00 $11,685.00  access  NRC applies
OPT-E-MAN Internet Access 175 Mbps OPT175 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,000.00 $13,273.75  access  NRC applies
OPT-E-MAN Internet Access 200 Mbps OPT200 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,500.00 $14,760.00  access  NRC applies
OPT-E-MAN Internet Access 250 Mbps OPT250 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,500.00 $17,937.50  access  NRC applies
OPT-E-MAN Internet Access 300 Mbps OPT300 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,500.00 $20,910.00  access  NRC applies
OPT-E-MAN Internet Access 500 Mbps OPT500 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,500.00 $31,262.50  access  NRC applies
OPT-E-MAN Internet Access 700 Mbps OPT700 Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,500.00 $43,050.00  access  NRC applies
OPT-E-MAN Internet Access 1000 Mbps OPT1G Internet Access from and OPT-E-MAN port;Dedicated access to the Internet using an OPT-E-MAN EVC from an existing port. Speeds from 10 Mbps to 1000 Mbps. Internet traffic must be less than 10% of total port traffic. $1,500.00 $61,295.00  access  NRC applies