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Topic: Primary rate interface

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	Primary Rate Interface (Site not responding. Last check: 2007-10-21)
		The Basic Rate Interface consists of two 64 Kbps B-channels and one 16 Kbps D-channel.
		The Primary Rate Interface consists of 23 B-channels and one 64 Kpbs D-channel using a T-1 line or 30 B-channels and 1 D-channel using an E1 line.
		The Primary Rate Interface channels are carried on a T-carrier system line (in the U.S., Canada, and Japan) or an E-carrier line (in other countries) and are typically used by medium to large enterprises.
	www.bodeen.org /networking/pri.html (222 words)

	PRI - Primary Rate Interface
		Primary Rate Interface: An ISDN standard for provisioning of 1.544 Mbit/s (DS1 - North America, Japan, et al) or 2.048 Mbit/s (E1 - Europe) ISDN services.
		Primary rate access consists of a single 64-Kbps D channel plus 23 (T1) or 30 (E1) B channels for voice or data.
		Compare with BRI (Basic Rate Interface), ISDN interface composed of two B channels and one D channel for circuit-switched communication of voice, video, and data.
	www.auditmypc.com /acronym/PRI.asp (564 words)

	ISDN
		Primary Rate access can be considered a multiplexing arrangement where a group of basic access (BRI) users share a common line facility.
		The Primary Rate configuration bundles 24 channels known as 23 B (Bearer) channels plus 1 D (Delta) channel.
		Transmission rate for each B channel is 64 Kbps (kilobytes), while the D channel transmits at speeds up to 16 Kbps.
	www1.umn.edu /oit/newsletter/0496-itn/ISDN.html (823 words)

	Primary Rate Interface - FOLDOC Definition (Site not responding. Last check: 2007-10-21)
		In North America and Japan, this consists of 24 channels, usually divided into 23 B channels and 1 D channel, and runs over the same physical interface as T1.
		Elsewhere the PRI has 31 user channels, usually divided into 30 B channels and 1 D channel and is based on the E1 interface.
		PRI is typically used for connections such as one between a PBX (private branch exchange, a telephone exchange operated by the customer of a telephone company) and a CO (central office, of the telephone company) or IXC (inter exchange carrier, a long distance telephone company).
	www.nightflight.com /foldoc/foldoc.cgi?Primary+Rate+Interface (125 words)

	Qwest \| Wholesale
		A single bulk rate, for the trunks and facility, is paid for the contracted term.
		Primary Rate Service is a digital service offering which provides a four-wire, full duplex transmission path (DS1) between ISDN compatible Customer Premise Equipment (CPE) and an ISDN-equipped Qwest central office (CO).
		No, Primary Rate Service is considered a 'bundled product' and you cannot have part of the service as a stand-alone product.
	www.qwest.com /wholesale/pcat/isdnpri.html (6284 words)

	2.1 The Flavours of ISDN (Site not responding. Last check: 2007-10-21)
		There are two sorts of narrowband ISDN available: a basic rate interface (BRI) and a primary rate interface (PRI which is also called s2m in Germany).
		The U interface seems to be common in the United States, whereas you connect your equipment to the S interface in Europe.
		The primary difference between the U and the S interface is, that the U interface is a point-to-point link whereas the S interface is normally operated as a point-to-multipoint link (``normally'' because a special mode of operating the S interface used with larger PBXs is a point-to-point link when operated as DDI direct dialing in).
	people.freebsd.org /~hm/i4b/node6.html (206 words)

	AT&T: Network Services Interfaces: AT&T Technical Reference 41459
		The key feature of the ISDN Primary Rate Interface is the use of out-of-band message-oriented signaling, carried in a separate digital channel on the access and/or egress facility.
		Users with this ISDN Primary Rate Interface can communicate across the ATandT Network with those users who do not use ISDN Primary Rate Interface, subject to the limitations of their network interfaces and premises equipment.
		The ISDN Primary Rate Interface is one of two ISDN interfaces defined by the ITU-T Recommendations.
	www.att.com /cpetesting/techrefs/41459.html (994 words)

	Intel® Express 9100/9200/9300/9400 Series Routers - Technical Specifications
		An interface cable (ER1814) for back-to-back connections for test purposes is available to configure the router as a DCE device.
		The ER1802 V.35 WAN interface cable is terminated with a male 34-pin Winchester connector (ISO2593).
		A straight RJ-45-to-RJ-45 UTP cable is used to connect the Basic Rate Interface (BRI) on the Express Router 920x and Express Router 9300, and an RJ-45 Primary Rate Interface (PRI) in the Express Router 9400 to the ISDN socket (ISDN interface, S-bus).
	support.intel.com /support/express/routers/9xxx/sb/cs-011275.htm (1293 words)

	Primary rate interface (Site not responding. Last check: 2007-10-21)
		The Primary rate interface is defined by physical layer protocol and also by higher protocols included LAPD.
		The first 23 time slots of each PRI frame are assigned to B-channels through 1-23.The final time slot is used as either a D-channel (23+d) or a-24-th B channel.In this case on another PRI is provided B channel for common role of user-network interface.
		The 2.048 PRI uses code HDB3 for Ones Density.In this method the DC of the signal is balanced and uses code violation to avoid runs of zeros.
	www2.rad.com /networks/1994/isdn/pri.htm (266 words)

	Primary Rate Interface - a Whatis.com definition - see also: PRI (Site not responding. Last check: 2007-10-21)
		Primary Rate Interface - a Whatis.com definition - see also: PRI
		The Primary Rate Interface channels are carried on a T-carrier system line (in the U.S., Canada, and Japan) or an
		To compare ISDN data rates with other technologies, see The speed of...
	searchnetworking.techtarget.com /sDefinition/0,,sid7_gci214314,00.html (294 words)

	Verizon \| PRI SNS (Primary Rate Interface Single Number Service) (Site not responding. Last check: 2007-10-21)
		In the case that there are remote switches deployed in a given LATA, they follow their associated host switch from a hub homing assignment perspective.
		If all PRI ports are busy in that hub, each primary hub has been associated with a maximum of two alternate hub locations to which the call will attempt to complete.
		If capacity is full at both the primary and alternate hub locations, the call will fail, and a busy signal will be returned.
	www22.verizon.com /ispmarkets/sublevel/products/products_prisns.html (890 words)

	What is PRI? - A Word Definition From the Webopedia Computer Dictionary
		Short for Primary-Rate Interface, a type of ISDN service designed for larger organizations.
		In contrast, BRI (Basic-Rate Interface), which is designed for individuals and small businesses, contains just two B-channels and one D-channel.
		BellSouth: BellSouth Primary Rate ISDN (PRI) Service - Offers communications service bundles that are designed to maximize saving by combining local, long distance, wireless and DSL Internet service.
	www.webopedia.com /TERM/I/PRI.html (164 words)

	Shiva(R) Integrator 150/200/500 - ISDN WAN Connections (500) (Site not responding. Last check: 2007-10-21)
		The Basic Rate ISDN card must be used with an ISDN network connection cable (European order number 705-15198, or equivalent).
		The Primary Rate Interface Card uses a 9-way female D-type connector with screw locks.
		The North American and Japanese interface is a DS/1.
	www.intel.com /support/si/routers/integrator/in1022.htm (235 words)

	Business Wire: Symplex Premiers DirectRoute Primary Rate Inter... @ HighBeam Research (Site not responding. Last check: 2007-10-21)
		DR-1/PRI, Symplex's second generation PRI offering, delivers support for Primary Rate ISDN in a self-contained stackable router.
		The DR-1/PRI has one Primary Rate ISDN line with an integral CSU interface, one Ethernet LAN interface and two Serial interfaces for use with leased lines, Frame Relay, or SW56.
		DirectRoute Manager complements the ease-of-use features inherent in DirectRoute by offering a Windows-based graphical interface and advanced management application to collect, analyze, and generate reports on DirectRoute router activity.
	www.highbeam.com /library/doc0.asp?docid=1G1:17296321&refid=ink_tptd_np (843 words)

	Primary Rate Interface - compare prices, reviews and buy at NexTag - Price - Review
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		• dell 16-cell lithium-ion primary battery for inspiron 9100/xps notebooks 9100
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	www.nextag.com /primary-rate-interface/search-html (139 words)

	PRI (primary rate interface) - Backup Terms Explained
		PRI (primary rate interface) - Backup Terms Explained
		A type of ISDN service interface that is designed for designed for telephone switches, computer telephony, and voice processing systems.
		At a high data transfer rate of 1,544,000 bits per second, PRI is designed for larger organizations and businesses.
	www.liutilities.com /products/winbackup/backupterms/PRI (71 words)

	Basic Rate Interface - a Whatis.com definition - see also: BRI (Site not responding. Last check: 2007-10-21)
		Basic Rate Interface - a Whatis.com definition - see also: BRI
		The Primary Rate Interface consists of 23 B-channels and one 64 Kpbs D-channel in the United States or 30 B-channels and 1 D-channel in Europe.
		Find white papers, products and vendors related to Basic Rate Interface.
	searchnetworking.techtarget.com /sDefinition/0,,sid7_gci213821,00.html (200 words)

	primary-rate interface PRI ISDN, the specification for
		In ISDN, the specification for the interface at each end of the high-volume trunks linking PBX and central-office facilites or connecting network switches to each other.
		The primary rate consists of 23 B or "bearer" channels (operating at 64Kbps) and a D or "data" channel (also functioning at 64Kbps).
		The combined signal -carrying capacity is 1.544Mbps equivalent to that of a type TI Back
	www.ssiltd.co.uk /glossary/details.asp?item=499 (296 words)

	Telephony: ANI leads the way. (primary rate interface technology for ISDN products)@ HighBeam Research (Site not responding. Last check: 2007-10-21)
		(primary rate interface technology for ISDN products)@ HighBeam Research
		ISDN primary rate interface (PRI) technology and automatic number identification (ANI) help telemarketers process calls, increase productivity and improve call handling.
		AT and T is the only company offering this technology at present but MCI and Sprint expect to introduce competing products early in 1990.
	www.highbeam.com /library/doc0.asp?DOCID=1G1:7184032&refid=holomed_1 (200 words)

	Toshiba ISDN Primary Rate Interface (PRI) Unit - Toshiba RPTU1 - TWAcomm.com, Inc.
		Toshiba ISDN Primary Rate Interface (PRI) Unit - Toshiba RPTU1 - TWAcomm.com, Inc.
		Network connection using RPTU2A PRI interface requires an external CSU.
		TWAcomm.com, Inc. is a leading provider of phone systems.
	www.twacomm.com /catalog/model_RPTU1.htm (110 words)

	Primary Rate Interface ISDN Line Port \| Overview
		Verizon's Unbundled PRI ISDN Line Port is used to enable end-to-end digital connectivity for transmitting voice and data simultaneously.
		The port provides a DS1 electrical interface to our local switch.
		The following PRI ISDN Line Port features are available when applicable guidelines are met:
	www22.verizon.com /wholesale/lsp/products/0,5747,4-8047-,00.html (136 words)

	MULTIDATA HERMES-PRO/P1: ISDN-Router for the primary-rate interface
		ISDN-Router for the Primary-Rate Interface: HERMES-PRO/P1 Small size - high performance
		It offers the opportunity to receive and transmit data on all 30 B-channels of the ISDN primary-rate interface simultaneously.
		We will be glad to answer your questions about our products.
	www.multidata.de /english/products/hardware/router/hp1.htm (224 words)

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