The modem‚ which is an acronym for modulator/demodulator‚ was invented in the 1950 ’s for military use. Manufactured by the now popular computer company‚ IBM‚ modems were used as part of an air-defense system; their purpose was to connect various airbases and control centers. Modems are devices that mix (modulate) and separate (demodulate) signals‚ allowing one computer to connect to another. They transfer the data over telephone lines by using analog waves and the modem then converts the waves
Premium Modem
and Cable Modem System. Understanding DOCSIS Operating System. A Cable system operating with Cable Modems required‚ •A bi-directional HFC or CATV system. •A Cable Modem Termination System at the Headend or Hub site. •A 100 BaseT or better connection to Internet or Servers. •A 6 MHz of 64 or 256 QAM data channel operating from: 88 to 870 MHz. •A 3.2 MHz of QPSK or 16 QAM operating between 16 to 40 MHz on the return section of the system for DOCSIS 1.0. •At least one Cable Modem installed at
Premium Modulation Cable television
cable modem: ABSTRACT Cable modems are devices that allow high-speed access to information at a distant server may it be Internet server or video on demand server‚ via a cable television network. While similar to the traditional (analog) dialup modems‚ a cable modem is significantly more powerful‚ capable of delivering data approximately 500 times faster. During the early to mid - 1990s‚ the two-way interactive communication capability of the existing cable network infrastructure was realized
Premium Cable television Coaxial cable Broadband Internet access
Ubee™ DOCSIS 3.0 Cable Modem Model: U10C035 U10C035 Device Highlights Performance — Enabled by DOCSIS 3.0‚ the U10C035 delivers the bandwidth to support subscribers’ multimedia and high-bandwidth applications (up to 171Mbps downstream‚ 122Mbps upstream).* Deployment — The U10C035 is well suited for large subscriber deployment‚ providing simplified installation‚ operations‚ diagnostics‚ and supportability. Network Interface — 10/100/1000 Ethernet interface provide exceptional performance. IPv4
Premium Ethernet Modulation
Cable Modems vs. Digital Subscriber Lines Bob Fager Econ 235ഊThe Internet has grabbed on to the world and it isn ’t letting go. Nearly 36 million U.S. homes currently have PCs and everyone is dying to jump on the information superhighway. The Internet‚ which started as a group of government agencies and universities‚ has grown to include almost anyone‚ from home users to large companies and everyone in between. It makes sense then that providing Internet service is big business. The
Premium Modem Digital Subscriber Line Cable television
make use of a resource NOW FIND A DIAGRAM AND INCLUDE IT Dial-up connection A dial-up connection allows users to connect to the internet via their telephone line using a standard 56k modem. The computer literally dials a telephone number provided by the Internet Service Provider and connects to the server’s modem and therefore the internet. Dial-up has a transfer rate of 56 Kilobits of data per second under ideal conditions. Advantages and disadvantages of Dial up Connection * Cheap (possibly
Premium Broadband Internet access Internet Telephone
have a Novel 4.11 Server for POS as well as a UPS-Standalone tower‚ a bublejet printer‚ and a 56k modem. Their six computers are hooked up to a 10.1.50.0 Ethernet Network and all systems use the Ethernet Network to hook on to the Internet. The Encinitas location has a Novell 4.11 Server for POS as well. Their location is a bit smaller with only three computers. Their network includes a 56k modem and Internet. A major part of the upgrade will consist of sales kiosks to have new computers with
Premium Computer network Wireless Server
Design Preliminary Design Model [Placeholder] Tradeoff Approach Though an ultimate and extravagant system is desired for Kudler Fine Foods’ Frequent Shopper Program‚ it is likely that some tradeoffs will have to be made to ensure that the project remains feasible for the company. In designing the Frequent Shopper Program for Kudler Fine Foods‚ it is important to consider certain tradeoffs of the project‚ in terms of costs‚ the schedule of the project‚ and the performance of the system‚ regardless
Premium Microsoft Windows University of Phoenix Point of sale
To send the marks to the parent’s mobile‚ GSM modem is required. The modem provides the communication interface. It transports device protocols transparently over the network through a serial interface. The GSM modem is a wireless modem that works with a GSM wireless network. A wireless modem behaves like a dial-up modem. The main difference between them is that a dial-up modem sends and receives data through a fixed telephone line while a wireless modem sends and receives data through radio waves
Premium Serial port Serial communication Wireless network
Voice Command Reference October 2‚ 1997 Voice Command Set Technical Reference 3Com – U.S. Robotics 1 Voice Command Reference October 2‚ 1997 V 1.0 V 2.0 Revision information Initial Release for Sportster Vi modem Amended and updated version. Vi‚ Voice‚ Flash and MessagePlus Now covers following Sportster’s : 3Com – U.S. Robotics 2 Voice Command Reference October 2‚ 1997 1. Global Commands The AT commands in the following sections are global‚ meaning
Premium Modem Telephone