Packet Switch is a router designed to read the destination address in an incoming cell or packet, consult a routing table and route the packet toward its destination. Packetizing is done in originating CPE and reassembly is done in terminating CPE. Multiple packet formats or protocols exist (e.g., x.25, x.75, frame relay, ATM, and IP).
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.
Switch means a switching device employed by a Carrier within the Public Switched Network. Switch includes but is not limited to End Office Switches, Tandem Switches, Access Tandem Switches, Remote Switching Modules, and Packet Switches. Switches may be employed as a combination of End Office/Tandem Switches. "Switched Access Service" means the offering of transmission and switching services to Interexchange Carriers for the purpose of the origination or termination of telephone toll service. Switched Access Services include: Feature Group A, Feature Group B, Feature Group D, 8XX access, and 900 access and their successors or similar Switched Access Services. "Switched Access Traffic" is traffic that originates at one of the Party's End User Customers and terminates at an IXC Point of Presence, or originates at an IXC Point of Presence and terminates at one of the Party's End User Customers, whether or not the traffic transits the other Party's network.
End Office Switches (“EOs”) are switches from which end user Telephone Exchange Services are directly connected and offered.
PBX means Private Branch Exchange.
Local Tandem Switch is a CenturyLink switch used to connect and switch trunk circuits between End Office Switches for traffic within an EAS/Local calling area.
End Office Switch or “End Office” means the switching machine that directly terminates traffic to and receives traffic from purchasers of local Exchange Services. An End Office Switch does not include a PBX.
Customer-generator means a user of a net metering system.
VPN means a virtual private network.
Freight Switcher means a locomotive that moves rail cars around a rail yard as compared to a line-haul engine that moves freight long distances.
Signaling System 7 (SS7 means a signaling protocol used by the CCS Network.
Service Switching Point (SSP means the telephone Central Office Switch equipped with a Signaling System 7 (SS7) interface.
System Software means Software that provides the operating and management instructions for the underlying hardware and other components, and is identified as such in Appendix 4 of the Contract Agreement and such other Software as the parties may agree in writing to be Systems Software. Such System Software includes, but is not restricted to, micro-code embedded in hardware (i.e., “firmware”), operating systems, communications, system and network management, and utility software.
Service Switching Point (SSP) is a telephone central office switch equipped with a Signaling System 7 (SS7) interface.
Network Element is As Defined in the Act.
Signaling System 7 (SS7) means a signaling protocol used by the CCS Network.
Synchronous means instruction delivered by the virtual education teacher and received by the student concurrent in time;
Fire alarm system means a system designed to detect and annunciate the presence of fire, or by-products of fire. Fire alarm system includes smoke detectors.
Network Rail means Network Rail Infrastructure Limited, a company registered in England under company number 02904587 and having its registered office at 0 Xxxxxxxxx Xxxxxx, Xxxxxx XX0 0XX;
Merchant Network Upgrades means additions to, or modifications or replacements of, physical facilities of the Interconnected Transmission Owner that, on the date of the pertinent Transmission Interconnection Customer’s Upgrade Request, are part of the Transmission System or are included in the Regional Transmission Expansion Plan. Merchant Transmission Facilities:
Trunk means a communication line between two switching systems.
Network Load means the load that a Network Customer designates for Network Integration Transmission Service under Tariff, Part III. The Network Customer’s Network Load shall include all load (including losses) served by the output of any Network Resources designated by the Network Customer. A Network Customer may elect to designate less than its total load as Network Load but may not designate only part of the load at a discrete Point of Delivery. Where an Eligible Customer has elected not to designate a particular load at discrete points of delivery as Network Load, the Eligible Customer is responsible for making separate arrangements under Tariff, Part II for any Point-To-Point Transmission Service that may be necessary for such non-designated load.
SPID is the number that identifies a service provider to the relevant NPAC. The SPID may be a state-specific number. "Serving Wire Center" denotes the CenturyLink building from which dial tone for local Exchange Service would normally be provided to a particular End User Customer premises. "Signaling System 7" or "SS7" is an out-of-band signaling protocol consisting of four basic sub- protocols:
Customer System means the Customer's computing environment (consisting of hardware, software and/or telecommunications networks or equipment) used by the Customer or the Supplier in connection with this Contract which is owned by or licensed to the Customer by a third party and which interfaces with the Supplier System or which is necessary for the Customer to receive the Services;
X-ray high-voltage generator means a device which transforms electrical energy from the potential supplied by the x-ray control to the tube operating potential. The device may also include means for transforming alternating current to direct current, filament transformers for the x-ray tube(s), high-voltage switches, electrical protective devices, and other appropriate elements.
BT Network means BT’s public electronic communications network;