Access Tandem Switch is a Switch used to connect End Office Switches to interexchange Carrier Switches. Qwest's Access Tandem Switches are also used to connect and switch traffic between and among Central Office Switches within the same LATA and may be used for the exchange of local traffic.
Plumbing system means water supply distribution and disposal piping on the premises, including appliances and equipment attached thereto, between their connection points to a public or private system.
Switched Access Service means an offering of facilities for the purpose of the origination or termination of traffic from or to Exchange Service customer in a given area pursuant to a Switched Access tariff. Switched Access Services include: Feature Group A, Feature Group B, Feature Group D, 800 Series, and 900 access. Switched Access does not include traffic exchanged between LECs for purpose of local exchange interconnection.
Signaling System 7 (SS7) means a signaling protocol used by the CCS Network.
Data Universal Numbering System+4 (DUNS+4) number means the DUNS number means the number assigned by D&B plus a 4-character suffix that may be assigned by a business concern. (D&B has no affiliation with this 4-character suffix.) This 4- character suffix may be assigned at the discretion of the business concern to establish additional SAM records for identifying alternative Electronic Funds Transfer (EFT) accounts (see the FAR at Subpart 32.11) for the same concern.
Data Universal Numbering System (DUNS) number means the 9-digit number assigned by Dun and Bradstreet, Inc. (D&B) to identify unique business entities.
Network Element is As Defined in the Act.
Data Universal Numbering System +4 (DUNS+4) number means the DUNS number assigned by D&B plus a 4- character suffix that may be assigned by a business concern. (D&B has no affiliation with this 4-character suffix.) This 4-character suffix may be assigned at the discretion of the business concern to establish additional SAM records for identifying alternative Electronic Funds Transfer (EFT) accounts for the same parent concern.
Digital Signal Level 0 (DS-0 means the lowest-level signal in the time division multiplex digital hierarchy, and represents a voice-grade channel operating at either the 56 Kbps or 64 Kbps transmission bit rates. There are twenty-four (24) DS-0 channels in a DS-1.
Continuous emissions monitoring system (CEMS means all of the equipment that may be required to meet the data acquisition and availability requirements of this section, to sample, condition (if applicable), analyze, and provide a record of emissions on a continuous basis.
Signaling System 7 (SS7 means a signaling protocol used by the CCS Network.
Network Data Mover (NDM) or “Connect Direct” means the industry standard protocol for transferring information electrically.
Permanent radiographic installation means an enclosed shielded room, cell, or vault, not located at a temporary jobsite, in which radiography is performed.
Non-Administrator Substance Use Disorder Treatment Facility means a Substance Use Disorder Treatment Facility that does not meet the definition of an Administrator Substance Use Disorder Treatment Facility.
Core Network means the transport infrastructure identified in accordance with Chapter III of Regulation (EU) No 1315/2013;
Top Level Domain means the portion of the Domain Name to the right of the right-most period. (In the example, "COM".)
Beam axis means a line from the source through the centers of the x-ray fields.
VPN means a virtual private network.
Beam monitoring system means a system designed and installed in the radiation head to detect and measure the radiation present in the useful beam.
Common Channel Signaling (CCS means an out-of-band, packet-switched, signaling network used to transport supervision signals, control signals, and data messages. It is a special network, fully separate from the transmission path of the public switched network. Unless otherwise agreed by the Parties, the CCS protocol used by the Parties shall be SS7.