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Topic: Data Service Units


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In the News (Sat 2 Jun 12)

  
  Dynamic channel assignment for TCP/IP data transmitted via cable television channels by managing the channels as a ...
RLA 220.sub.1 converts the demodulated data packets into a IEEE 802.2 protocol data packets and forwards the data packets to the single user data unit 230.sub.1, which may be a data terminal, a work station, a personal computer, or some other type of data equipment.
The assignment of a channel at data service request and negotiation time and the release of that channel after the distribution of the requested data as described in the present invention is called dynamic channel assignment.
Each of the data service providers has a respective application program interface that is used by the present invention to pass channel assignment data from the bandwidth manager 240 over the narrow band connection to perform the RLA channel tuning as part of service negotiation process.
www.freepatentsonline.com /5675732.html   (3555 words)

  
 Data communication arrangement with embedded matrix switch - Patent 4885741
Data signals at various bit rates ranging from 2.4 Kb/s to 56 Kb/s are received from, and applied to, data terminal equipment such as CRT terminals, personal computers, etc., by way of the various access module ports.
In operation, data signals from the various pieces of data terminal equipment are routed from the associated cable 145 and connector 143 over a path which includes any desired number (including zero) of application modules and, at the end of the path, a predetermined data set, i.e., modem or DSU.
The latter include, for example, whether a particular data set is to use internal or external timing; the number of bits to be transferred per time slot occurrence (latency); whether the reversing of various EIA leads, referred to as "frogging," is desired; or whether the device is to be part of a digital bridge.
www.freepatentsonline.com /4885741.html   (9340 words)

  
 NPS: Nature & Science» Air Resources Division-Natural Lightscapes
While these data were collected with a variety of equipment combinations, great care has been taken to calibrate each instrument so that each data set is comparable.
Data are calibrated to stars of known brightness, allowing absolute brightness measures to be extracted from the images.
Data is displayed in V magnitudes, an astronomical brightness system, but can be transformed to many other measurement units.
www2.nature.nps.gov /air/lightscapes/monitorData/index.cfm   (992 words)

  
 Kentrox DSU, DSU, DSU's,Kentrox DSUs, Data Service Units, Kentrox Data Service Units
The Data Service Unit (DSU) manages line control, and converts input and output between RS-232C, RS-449, or V.35 frames from the LAN and the time-division multiplexed (TDM) DSX frames on the T-1 line.
A CSU/DSU (Channel Service Unit/Data Service Unit) is a hardware device about the size of an external modem that converts a digital data frame from the communications technology used on a local area network (LAN) into a frame appropriate to a wide-area network (WAN) and vice versa.
The Data Service Unit (DSU) manages line control, and converts input and output between RS-232C, RS-449, or V.xx frames from the LAN and the time-division multiplexed (TDM) DSX frames on the T-1 line.
www.americantechsupply.com /kentroxdsu.htm   (1112 words)

  
 referencePoint Managed Data Service: An outsourced solution for the management of data across an enterprise   (Site not responding. Last check: 2007-09-17)
Utilizing SunGard's leading referencePoint data management software at its core, the referencePoint Managed Data Service provides a flexible approach to outsourcing, offering an à-la-carte, componentized solution that allows firms to adequately tailor the service to meet their specific requirements.
Clients retain full discretion over the sources of data to be managed, the periodicity of their updates, and the methodologies used in the cleansing, validation and enrichment process.
It also allows clients to take a phased, gradual approach to outsourcing their data management processes, enabling early projects to demonstrate the ROI necessary in order to garner the support and sponsorship from senior management that is so critical to the long-term success of any data management project.
www.data.sungard.com /outsourcing   (814 words)

  
 Klamath River Basin Water Quality   (Site not responding. Last check: 2007-09-17)
In other cases when units were exchanged, the number of half-hour data points used to construct the daily average, max and min values was 49.
Data is available in one hour intervals and both average, maximum, and minimum daily values.
Data is available in both 1 hour intervals and average, maximum and minimum daily values.
www.fws.gov /arcata/fisheries/tempdata.html   (462 words)

  
 CSU/DSU (Channel Service Unit/Data Service Unit) (Linktionary term)
CSUs (channel service units) and DSUs (data service units) are actually two separate devices, as described next, but they are used in conjunction and often combined into the same box.
Channel service unit This inexpensive device connects with the digital communication line and provides a termination for the digital signal.
Data service unit This device, sometimes called a digital service unit, is the hardware component you need to transmit digital data over the hardware channel.
www.linktionary.com /c/csu_dsu.html   (282 words)

  
 Kentrox - DSU Product Family Overview
Kentrox Data Service Unit/Channel Service Units (DSU/CSUs) are renowned for their performance, reliability, and broad range of features.
DSUs are WAN access devices that combine the data formatting of a DSU with the FCC-mandated line protection and diagnostic capabilities of a CSU.
In addition to monitoring Frame Relay SLA (Service Level Agreement) performance parameters, this class of DSU/CSU can also determine bandwidth usage peaks and can be used to correctly size the WAN service (FR port and PVC).
www.kentrox.com /products/family_dsu   (387 words)

  
 1252   (Site not responding. Last check: 2007-09-17)
Service data units of the same type submitted to a SAP (or a port if implemented) are processed in the order of submission.
The length of the service data units transferred by this service is not constrained by the length of the Data Field of the Transfer Frame.
This service is made available to trusted users who are certified during the design process to ensure that the independently created protocol data units do not violate the operational integrity of the space link.
www.ccsds.org /docu/dscgi/ds.py/GetRepr/File-278/html   (9560 words)

  
 Gateway - Data Service - OIT-Telecom & Net - The Ohio State University
OIT is a department of The Ohio State University and the contracted provider for high-speed data, telephone,and cable TV services to residents living in South Campus Gateway Apartments.
The switched, 10 Mbps data connection is symmetrical (10 Mbps in both directions) and lightening fast at about 175 times the speed of dial-up service.
All data outlets in each South Campus Gateway apartment are already active with HSD service upon moving in.
www.units.osu.edu /gateway/data_service.php   (380 words)

  
 Welcome To General Data On The Web!
A reliable service provider that can repair and maintain equipment in top working order can make a big difference to a company's bottom line.
Companies across the US choose General Data as their service provider to take advantage of our range of service programs and options.
General Data provides factory-authorized service for all types of equipment faster and more economically than anyone else in the industry.
www.general-data.com /service   (197 words)

  
 GDC NMS 520 Series Managed Universal Rate DSU
Equipped with the data compression option, the NMS 520 Series can be used to compress up to 384 Kbps of traffic for cost-effective transmission over 56 and 64 Kbps circuits.
On digital circuits with secondary channel, diagnostic and control data is transported on the channel provided by the carrier for auxiliary purposes.
After the primary circuit's DCD has been active for a specified time, the call is terminated, and data is automatically transferred back to the private line.
www.data-connect.com /GDC_NMS-520_Managed_DSU.htm   (954 words)

  
 Switched Multimegabit Data Service (SMDS)
In addition, SMDS data units are large enough to encapsulate entire IEEE 802.3, IEEE 802.5, and Fiber Distributed Data Interface (FDDI) frames.
Data rates supported are 4, 10, 16, 25, and 34 Mbps.
The SNI is the interface between the CPE and carrier equipment; it transparently enables data transmission between the two networks.
www.cisco.com /univercd/cc/td/doc/cisintwk/ito_doc/smds.htm   (2362 words)

  
 Reference/Data and constants resources - PhysicsWeb
Astrophysics Data Facility ADF - The Astrophysics Data Facility ADF, located at the NASA Goddard Space Flight Center GSFC, is responsible for designing, developing, and operating data systems that support the processing, management, archiving and distribution of NASA mission data.
Particle Data Group - The PDG is an international collaboration that reviews Particle Physics and related areas of Astrophysics, and compiles/analyzes data on particle properties.
Protein Data Bank PDB - The Protein Data Bank PDB is an archive of experimentally determined three-dimensional structures of biological macromolecules, serving a global community of researchers, educators, and students.
physicsweb.org /resources/Reference/Data_and_constants   (1801 words)

  
 Kentrox - AAC/CellSMART Service Data Module
The new Service Data Module for the AAC can be configured to supply Frame Relay Service Level Agreement (SLA) measurements to Kentrox ServicePoint and FrameVision devices in ATM and Frame Relay mixed networks.
The new Service Data Module for the AAC acts as a Visual Networks™ Analysis Service Element (ASE).
Service Providers can offer customers a variety of new managed service options and a higher degree of flexibility for hybrid ATM/Frame Relay networks.
www.kentrox.com /products/aac/common_equip/service_delivery/index.html   (341 words)

  
 Modem pooling increases reliability at ADP - Automatic Data Processing Inc - Modems & Muxes - Column Communications ...
Companies across the United States rely on advanced data communications capabilities found in such companies as Automatic Data Processing (ADP), Employer Services Division, which is known for providing payroll services and a host of other services to its customers nationwide.
Advanced data communications technologies--such as modem pooling and remote network management from a centralized location--ensure ADP 100% availability and minimize the need for field service technicians.
The unit shows the specialist information on the speed of the connection, the error correction method being used, the compression method being used and connect times.
www.findarticles.com /p/articles/mi_m0CMN/is_n2_v31/ai_15055641   (748 words)

  
 Sprint Business: Wholesale Products and Services: Data
Expand your services and reach new customers with Sprint Wholesale Data services, including ATM, CPE, Dial IP, Dedicated Internet Service, Direct Wavelength, Frame Relay, Private Line, and Virtual ISP.
Dial IP Use Sprint Wholesale Dial IP service nationally to support consumer and small business customers as an Internet service provider (ISP) or worldwide to help you connect telecommuters and remote users to the corporate LAN.
services provide dedicated WAN links to enhance data and voice communications for your customers or in your own network.
www.sprintbiz.com /wholesale/products/data.html   (438 words)

  
 T1 DSU Fractional T1 (T1-FT1)  CSU DSU sub-rate digital service support Synchronous asynchronous
The Multi-DSU family is a combination Data Service Unit/Channel Service Unit (DSU/CSU) used to connect a router, frame relay device, or other DTE device to a high-bandwidth digital service.
The MultiDSU family is a combination Data Service Unit/Channel Service Unit (DSU/CSU) used to connect a router, frame relay device, or other DTE device to a high-bandwidth digital service.
The 64K DSU combines the flexibility of an RS-232 or V.35 DTE interface with 56K dedicated, 56 switched, or 64K DDS line connectivity.
www.arcelect.com /Multitech_multidsu_CSU-DSU.htm   (982 words)

  
 Census Registration Service home page
The Census Registration Service facilitates access to the Census data resources for UK higher and further education via Athens Single Sign On.
Census Dissemination Unit from MIMAS (University of Manchester)
Census Geography Data Unit (UKBORDERS) from EDINA (University of Edinburgh)
census.data-archive.ac.uk   (181 words)

  
 USGS SDTS format Digital Elevation Model data (DEM)
These digital cartographic/geographic data files are produced by the U.S. Geological Survey (USGS) as part of the National Mapping Program and are sold in 7.5-minute, 15-minute, 2-arc-second (also known as 30-minute), and 1-degree units.
Data that is particularly troublesome for users is USGS SDTS formatted data.
The Federally recognized name of each feature described in the data base is identified, and references are made to a feature's location by State, county, and geographic coordinates.
data.geocomm.com /dem   (1221 words)

  
 Alliance Systems - Channel Service Units (CSU) and Data Service Units (DSU)
The DSU provides T1 or V.35 to a data device such as a router and DDS circuit to POS (point of sale) equipment such as a credit card scanner.
The CSU and DSU units are suitable for wallmounting or desktop use.
Four LEDs on the front of the unit are used to indicate status and remote network management capabilities are also available over an SNMP connection from a Network Operations Center (NOC).
www.alliancesystems.com /Products/CommunicationsCategory.aspx?id=6   (399 words)

  
 Data ID Repair Service
Data ID Quik-Turn Depot provides for quick repair and return of covered products, typically in just 3 to 5 days for repair orders of 10 units or less.
Data ID's depot repair service for out-of-warranty products for authorized business accounts includes 3 to 5 day turnaround on repair orders of 10 units or less.
Data ID notifies customers of no problems found and a flat rate of $60 per unit is charged.
www.dataid.com /dataidrepairserv.htm   (570 words)

  
 GIS Data at the Washington State Department of Ecology   (Site not responding. Last check: 2007-09-17)
If you are using NAD 27 and want to reproject our data to that standard, see our FAQ question.
If you can't find the data that you are seeking here, please check our links to other websites at the bottom of this page.
Please note that our GIS data, while available for free of charge, is covered by Ecology's Conditions of Use Statement.
www.ecy.wa.gov /services/gis/data/data.htm   (340 words)

  
 SMDS Switched Multimegabit Data Service
Switched Multimegabit Data Service (SMDS) is a high-speed, packet-switched, datagram-based WAN networking technology used for communication over public data networks (PDNs).
Figure 14-5: SIP Level 3 protocol data unit consists of 15 fields.
Contains an encapsulated SMDS service data unit (SDU) and padding that ensures that the field ends on a 32-bit boundary.
www.arcelect.com /SMDS_Switched_Multimegabit_Data_Service.htm   (1995 words)

  
 Kentrox CSU/DSU, Managed CSU DSU, Channel Service Units, Data Service Units, CSUs, DSUs, Kentrox Switches
These units are available as desktop units or as rack-mountable cards to be inserted in one of our Universal chassis.
This is the ideal unit for telemetry monitoring equipment to be connected back to a central site.
Data rates of up to 115.2K bps in asynchronous mode, saves you both time and money.
www.americantechsupply.com /kentrox.htm   (2278 words)

  
 Tools for Utilizing GIS Data - U.S. Fish and Wildlife Service   (Site not responding. Last check: 2007-09-17)
GIS data comes in a variety of formats, with an assortment of documentation attached to it.
That said, much of the information on data attributes as well as the lookup tables could be used with any GIS system.
Most of the data that tools have been created for is public domain; it is free or low cost.
www.fws.gov /data/gisconv/gistools.html   (506 words)

  
 Products & Services-Data
Sprint Wholesale is your single source for data services, and the customer premise equipment (CPE) that facilitates those services.
Dial IP Use Sprint Wholesale Dial IPSM service nationally to support consumer and small business customers as an Internet service provider (ISP) or worldwide to help you connect telecommuters and remote users to the corporate LAN.
Frame Relay is a global frame relay service, connecting customers in more than 100 countries.
www.sprint.com /wholesale/nl_products_data.html   (549 words)

  
 DataMaster :: Home
A major function and purpose of DataMaster is to compare MLS sales data with public records data.
Download data into Fannie Mae 1025 form (2-4 Units).
Appraisers will be able to save significant time in completing appraisals on 2-4 units with both rental and sale data being imported directly into the appraisal report.
www.datamasterusa.com   (180 words)

  
 Definition: data service unit   (Site not responding. Last check: 2007-09-17)
A device used for interfacing data terminal equipment (DTE) to the public telephone network.
A type of short-haul, synchronous-data line driver, usually installed at a user location, that connects user synchronous equipment over a 4-wire circuit at a preset transmission rate to a servicing central-office.
Note: This service can be for a point-to-point or multipoint operation in a digital data network.
www.its.bldrdoc.gov /fs-1037/dir-010/_1444.htm   (76 words)

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