Unbundled Dedicated DS3 Transport

Overview

Unbundled dedicated DS3 transport is a high-capacity, digital transmission path that is dedicated to the use of the ordering CLEC in its provisioning of local exchange and associated exchange access services.

Description

Availability

DS3 dedicated unbundled transport is available throughout the Verizon footprint.

Pricing

Billing for unbundled dedicated DS3 transport begins upon completion of the service order on the requested due date. The following rate elements apply generally for unbundled dedicated transport:

North

Service Order Charge
Non-Recurring Dedicated Transport Service Connection - Provisioning - applies per transport or entrance facility
Non-Recurring Dedicated Transport Service Connection - CO Wiring - applies per facility ordered for the central office wiring required to install the dedicated IOF transport
Expedite charges apply for above when the CLEC requests that the unbundled dedicated transport or entrance facilities be provisioned prior to the standard or negotiated interval date
Dedicated Transport

Interoffice Mileage

Fixed Per Month Charge - applies per transport facility
Per Mile Per Month Charge - applies per transport facility

Entrance Facility (applicable in NY and MA)

Per Month Charge - applies per entrance facility
Per Quarter Mile Per Month Charge - applies per quarter mile per entrance facility

Applicable Non-Recurring Miscellaneous Charges

South

Service Order Charge
Non-Recurring Dedicated Transport Installation Charge

First - applies for the initial transport or entrance facility on an AS
Additional - applies for each additional transport or entrance facility on the same ASR

Dedicated Transport

Interoffice Mileage

Fixed Per Month Charge - applies per transport facility
Per Mile Per Month Charge - applies per transport facility

Entrance Facility

Per Month Charge - applies per entrance facility

Applicable Non-Recurring Miscellaneous Charges

West

Service Order Charge - applies per initial, subsequent, or disconnect order (note - disconnect charges are not applicable in all states)
Non-Recurring Dedicated Transport Provisioning - applies per transport (i.e., Interoffice Dedicated Transport or "IDT") or entrance facility (i.e., CLEC Dedicated Transport or "CDT") ordered
Dedicated Transport

Interoffice Mileage (sometimes called Interoffice Dedicated Transport or "IDT")

Per Termination Per Month Charge - applies per termination at each end of a transport facility
Per Facility Per Mile Per Month Charge - applies per mile per facility

Entrance Facility (sometimes called CLEC Dedicated Transport or "CDT")

Per Month Charge - applies per entrance facility per month

Applicable Non-Recurring Miscellaneous Charges

The mileage used to determine the monthly mileage charge for unbundled dedicated DS1 transport is based on airline mileage utilizing the Vertical and Horizontal (V&H) coordinate method between the locations to which the facility is provisioned. (In the Verizon North states of Massachusetts, Maine, New Hampshire, Rhode Island, and Vermont, mileage is measured to the CLEC central office location rather than to the Verizon serving central office.). When the calculation results in a fraction of a mile, the mileage is rounded up to the next whole mile before applying the rates.

Pricing varies by state jurisdiction and applies pursuant to individual carrier interconnection agreements.

Features

DS3 dedicated unbundled transport may be ordered with M23 or C-Bit parity. There are two standard framing formats for the DS3 frame overhead bits. These framing formats are called M23 and C-Bit Parity. The DS3 framing format and the DS3 payload format are determined by the DS3 terminal equipment that originates and terminates the DS3 signal. When the DS3 payload signal is framed, the equipment at each end of the DS3 channel takes the payload data and formats it into DS3 frames that consist of 4,760 bits each. Fifty-six of the bits in each frame are used for overhead.

CLECs may use either framing format, but the specific framing format needs to be identified when the DS3 Unbundled Dedicated IOF Transport is ordered. When C-Bit Parity is specified, carriers must also identify whether the DS3 payload is channelized (i.e., payload consists of 28 DS1 channels) or unchannelized (i.e., payload consists of a single 44.21 Mbps channel).

Detailed Information

Unbundled dedicated DS3 transport consists of a two-point digital channel, which provides for simultaneous two-way transmission of serial, bipolar, return-to-zero isochronous digital electrical signals at a transmission rate of 44.736 megabits per second (Mbps).

The interface to unbundled dedicated DS3 transport is a metallic-based electrical interface. This interface must comply with the ANSI T1.102, 1993 Digital Electrical Interface Standard.

Access to unbundled dedicated DS3 transport is from the CLEC's central office or from the CLEC's collocation arrangement with Verizon via an appropriate cross-connection made on the Digital Signal Cross-Connect (DSX).

Unbundled dedicated DS3 transport is available within the same LATA between the following designated locations:

CLEC central offices
CLEC Collocation Arrangements with Verizon
A CLEC Collocation Arrangement with Verizon and a CLEC central office

When Unbundled Dedicated IOF Transport terminates at a Verizon central office, it must terminate at a CLEC collocation arrangement. When Unbundled Dedicated IOF Transport terminates at a CLEC central office, it must be handed to the CLEC from Verizon equipment within the CLEC's central office.