SDSL definition

SDSL or "Symmetric Digital Subscriber Line" is a baseband DSL transmission technology that permits the bi-directional transmission from up to 160 kbps to 2.048 Mbps on a single pair. "VDSL" or "Very High Speed Digital Subscriber Line" is a baseband DSL transmission technology that permits the transmission of up to 52 Mbps downstream (from the Central Office to the End User Customer) and up to 2.3 Mbps digital signal upstream (from the End User Customer to the Central Office). VDSL can also be 26 Mbps symmetrical, or other combination.
SDSL or "Symmetric Digital Subscriber Line" is a baseband DSL transmission technology that permits the bi-directional transmission from up to 160 kbps to 2.048 Mbps on a single pair. “SHDSL” or “Singe-Pair High Speed DSL” provides for sending and receiving high-speed symmetrical data streams over a single pair of copper wires. The SHDSL payload may be 'clear channel' (unstructured), T1 or E1 (full rate or fractional), multiple ISDN Basic Rate Access (BRA), Asynchronous Transfer Mode (ATM) cells, or Ethernet packets. “G.SHDSL” or “Symmetric High Bit Rate DSL” features symmetrical data rates from 192 kbit/s to 2,304 kbit/s of payload in 64 kbit/s increments per pair. “E.SHDSL” or “Extended Singe-Pair High Speed DSL” offers symmetrical data rates of up to 5,696 kbit/s in 64k increments per a pair. SHDSL is based on ITU standard G.991.2 with additional coverage of E.SHDSL in 802.3ah. "VDSL" or "Very High Speed Digital Subscriber Line" is a baseband DSL transmission technology that permits the transmission of up to 52 Mbps downstream (from the Central Office to the End User Customer) and up to 2.3 Mbps digital signal upstream (from the End User Customer to the Central Office). VDSL can also be 26 Mbps symmetrical, or other combination. “Embedded Base xDSL Capable Loop” refers to an xDSL Capable Loop (including ADSL Compatible Loop and Non-Loaded Loop) installed for CLEC before the Final Implementation Date of this Amendment.

Examples of SDSL in a sentence

  • This series includes but is not limited to ADSL, VDSL, SDSL, and others.

  • SDSL supports the transmission of data signals at the same speed when receiving data (downstream rate) and transmitting data (upstream rate).

  • The “x” in “xDSL” is a place holder for the various types of DSL services, including, but not limited to ADSL (Asymmetric Digital Subscriber Line), HDSL (High-Speed Digital Subscriber Line), IDSL (ISDN Digital Subscriber Line), SDSL (Symmetrical Digital Subscriber Line), UDSL (Universal Digital Subscriber Line), VDSL (Very High-Speed Digital Subscriber Line), and RADSL (Rate-Adaptive Digital Subscriber Line).

  • WBITS may be provided under one Class of Services, WBITS ADSL or WBITS SDSL.

  • SDSL provides the customer the ability to transmit data to (upstream rate) and receive data from (downstream rate) a DSL Access Service Connection Point at the same speed using existing copper facilities.

  • Digital Subscriber Line Service (DSL) is a data communications service that provides for high-speed connectivity using Symmetric Digital Subscriber Line (SDSL) and ISDN Digital Subscriber Line (IDSL) technology.

  • The Customer will obtain the appropriate authorization to allow the Company to provision WBITS ADSL or SDSL Voice-Data Access Service over the Customer’s end user’s existing telephone exchange service line.

  • Each month on the bill date, the Company will determine if the WBITS Term Plan Customer achieved its monthly volume commitment level of in-service WBITS ADSL & SDSL Access Service lines.

  • If the WBITS Term Plan is terminated prior to the end of the commitment period, the Company will bill the Customer a charge equal to 20% times the monthly WBITS Charge per ADSL or SDSL Access Service Line multiplied by the number of months remaining in the commitment period.

  • Termination of an individual WBITS ADSL or SDSL Access Service line does not constitute termination of the WBITS Term Plan.


More Definitions of SDSL

SDSL or "Symmetric Digital Subscriber Line" is a baseband DSL transmission technology that permits the bi-directional transmission from up to 160 kbps to 2.048 Mbps on a single pair.
SDSL provides a symmetric service level speed objective of approximately 1.5 mbps downstream and 1.5 mbps upstream. Because this service is distance dependant – no actual speed objective is provided or guaranteed. This service level is available as a private network or with Internet Services. A UBR (Unspecified Bit Rate) for Best Effort delivery with defined shaping level is used. The underlying Transport service provided by the Telco (which includes ATM and Ethernet) includes the overheads (headers and trailers) associated with the transport service. The CUSTOMER accepts that such overheads reduce the effective burst and sustained throughput available for the data of the CUSTOMER. Bandwidth in this service class in not guaranteed since it is dependent on third part variables such as available Third party transport; distance from the Telco provided central office and other conditions that are beyond the control of Activo.
SDSL means symmetric DSL services;
SDSL refers to Symmetrical Digital Subscriber Line also known as SHDSL and defined in ITU-T G.991.2
SDSL means symmetric digital subscriber line which has the same bandwidth available for the Customer tosend and receive data;

Related to SDSL

  • IDSL or "ISDN Digital Subscriber Line" or "Integrated Services Digital Network Digital Subscriber Line" is a symmetrical, baseband DSL technology that permits the bi- directional transmission of up to 128 Kbps using ISDN CPE but not circuit switching.

  • ADSL or "Asymmetric Digital Subscriber Line" is a Passband digital loop transmission technology that typically permits the transmission of up to 8 Mbps downstream (from the Central Office to the End User Customer) and up to 1 Mbps digital signal upstream (from the End User Customer to the Central Office) over one (1) copper pair. "HDSL" or "High-Data Rate Digital Subscriber Line" is a synchronous baseband DSL technology operating over one or more copper pairs. HDSL can offer 784 Kbps circuits over a single copper pair, T1 service over two (2) copper pairs, or future E1 service over three (3) copper pairs. "HDSL2" or "High-Data Rate Digital Subscriber Line 2" is a synchronous baseband DSL technology operating over a single pair capable of transporting a bit rate of 1.544 Mbps.

  • DSL refers to a set of service-enhancing copper technologies that are designed to provide digital communications services over copper Loops either in addition to or instead of normal analog voice service, sometimes referred to herein as xDSL, including, but not limited to, the following:

  • Hostel means a place of residence for the students of the University, or its colleges, institutions and study centers, established or recognized to be as such by the University;

  • SDR means a Special Drawing Right as defined by the International Monetary Fund.

  • AMC means Annual Maintenance Contract

  • Spectrum Compatibility means the capability of two (2) copper loop transmission system technologies to coexist in the same cable without service degradation and to operate satisfactorily in the presence of cross talk noise from each other. Spectrum compatibility is defined on a per twisted pair basis for specific well-defined transmission systems. For the purposes of issues regarding Spectrum Compatibility, service degradation means the failure to meet the Bit Error Ratio (BER) and Signal-to-Noise Ratio (SNR) margin requirements defined for the specific transmission system for all Loop lengths, model Loops, or loss values within the requirements for the specific transmission system.

  • GPS means Global Positioning System.

  • VPN means Virtual Private Network.

  • NOC means National Olympic Committee.

  • TDSAT means Telecom Disputes Settlement and Appellate Tribunal;

  • Integrated Digital Loop Carrier means a subscriber loop carrier system that is twenty-four (24) local Loop transmission paths combined into a 1.544 Mbps digital signal which integrates within the switch at a DS1 level.

  • EPG means a program guide maintained by the MSO that lists television channels and programmes, and scheduling and programming information therein and includes any enhanced guide that allows subscribers to navigate and select such available channels and programmes.

  • Bandwidth means a distributor’s defined tolerance used to flag data for further scrutiny at the stage in the VEE process where a current reading is compared to a reading from an equivalent historical billing period. For example, a 30 percent bandwidth means a current reading that is either 30 percent lower or 30 percent higher than the measurement from an equivalent historical billing period will be identified by the VEE process as requiring further scrutiny and verification;

  • Filter means material placed in the useful beam to preferentially absorb selected radiations.

  • Integrated Services Digital Network (ISDN means a switched network service that provides end-to-end digital connectivity for the simultaneous transmission of voice and data. Basic Rate Interface-ISDN (BRI-ISDN) provides for a digital transmission of two (2) 64 Kbps bearer channels and one (1) 16 Kbps data channel (2B+D).

  • InterLATA is As Defined in the Act.

  • Cisco “we,” “our” or “us” means Cisco Systems, Inc. or its applicable affiliate(s).

  • Node means an area designated by the State Planning Commission concentrating facilities and activities which are not organized in a compact form.

  • PSTN means the public switched telephone network.