CN201919072U - System architecture for internal telephone LAC of enterprise - Google Patents

Abstract

The utility model relates to system architecture of an LAC (local area network), in particular to system architecture for an internal telephone LAC of an enterprise. The architecture is characterized in that on the basis of a programmable-control telephone network system owned by the enterprise, an internal LAC of the enterprise is constructed by adopting the xDSL technology; at an output terminal of enterprise local side equipment, i.e. a voice exchange connected with a public network for local calls, signal wires are output through the voice exchange and connected with an xDSL exchange through distributing frames and cables; switching signals are output through the xDSL exchange and connected with telephone terminals and xDSL-Modem through cables and distributing frames; computers of users at the telephone terminals are accessed to an internal LAC system through xDSL-Modem. The system architecture for the internal telephone LAC of the enterprise has the following advantages: terminal users of department telephones utilize one telephone line to receive and make calls, and meanwhile transmit data through the computer accessed to internet, and the two operations do not impact each other; and while an office worker utilizes an OA (office automation) office system, all kinds of messages can be received and sent through ADSL (asymmetric digital subscriber line), so that the arrangement cost of wires is saved, and the working efficiency can be improved.

Description

A kind of enterprises phone local area network (LAN) system architecture

Technical field

The utility model relates to a kind of local area network (LAN) framework, particularly relates to a kind of enterprises phone local area network (LAN) system architecture.Utilize enterprise own programme-controlled telephone system and xDSL technology to make up enterprises lan.

Background technology

At present network and communication technical field, local area network (LAN) is as the information exchange and the transmission medium of enterprise internal management, for the modern management and the production of enterprise has improved express passway, improved management and production efficiency.But for some traditional enterprises, because production plant area circumstance complication, drop is big up and down for the major trunk roads periphery, the building irregular distribution, each workshop office building distance differs far away, again it is too high to lay brand-new local area network (LAN) transmission backbone network optical fiber cost, and some zone is also owing to the factor of environment and landform is inconvenient to insert.Building laying optical fiber especially from far-off regions at some and that the microcomputer amount is few is received far away in short time and is not returned cost.

And as enterprise, the phone of each department is absolutely necessary, and all there are oneself SPC telephone exchange and voice telephony system in domestic many large and medium-sized enterprise, even fully independently internal telephone system is arranged, and the scope that often connects up is wide, relates to each corner of enterprises.Last century, the nineties began, along with the application of computer networking technology, a lot of enterprises have all set up own LAN (Local Area Network) system as required, process of construction completely newly wiring often, completely newly make up switching system and set up local area network (LAN), have high input, increased entreprise cost.

Along with scientific and technological the developing rapidly of society, the communication technology is comparative maturity at present.XDSL is the general name of all kinds DSL (Digital Subscribe Line) digital subscriber line, comprises ADSL, RADSL, VDSL, SDSL, IDSL and HDSL etc., is a kind of new data transfer mode.Therefore it be called the ADSL (Asymmetric Digital Subscriber Line) loop because uplink and downlink bandwidth is asymmetric.It adopts frequency multiplexing technique that common telephone wire has been divided into phone, three relatively independent channels of uplink and downlink, thereby has avoided interference each other.Even the situation that speed of surfing the Internet and speech quality descend can not take place in the online while making a phone call yet.Usually ADSL can provide the speed uplink of the highest 3.5Mbps and the downstream rate of the highest 24Mbps under the situation that does not influence normal telephone communication.If can utilize the own programme-controlled telephone system of enterprise, utilize telephone line to combine with the xDSL technology of maturation, adopt a telephone wire to answer or to call and carry out transfer of data simultaneously, make and do workman person and normally use the OA office system, transmit form immediately, the indication that the company of execution faster assigns, both are independent of each other, this will be a very significant thing, have huge application and popularization value, and economic benefit and social benefit are obvious.

The utility model content

The utility model utilizes the own call voice switching system of enterprise, and the xDSL technology in conjunction with ripe proposes a kind of enterprises phone local area network (LAN) system architecture.

The technical scheme that the utility model adopted:

A kind of enterprises phone local area network (LAN) system architecture, on enterprise's own program controlled telephone networking system-based, in conjunction with xDSL technique construction enterprises lan, the end that goes out at the enterprise's local side apparatus voice exchange that connects the local telephone network public network, voice exchange is exported each road holding wire and is connected the xDSL switch with cable by distributing frame, the xDSL switch is exported each road switching signal and is connected each road telephone terminal and xDSL-Modem with distributing frame by cable, and each road telephone terminal user's computer inserts the enterprises lan system by xDSL-Modem.

Described enterprises phone local area network (LAN) system architecture is provided with the POTS separator with telephone signal and xDSL Signal Separation at network side, sends into stored-program control exchange and ATM switch or core router respectively; At user side, being provided with the POTS separator is responsible for the mixed signal of down direction is isolated analog signal and digital signal, give subsets and xDSL-Modem respectively, and on also being responsible for and being used in a pair of twisted-pair feeder from the digital multiplexed signal of xDSL-Modem from the analog signal of telephone set on the up direction.

Described enterprises phone LAN system, the xDSL switch adopts the Huawei3026 or the MA5105 of Huawei Company.

Useful good effect of the present utility model:

1, the utility model enterprises phone local area network (LAN) system architecture, the telephone terminal user of all departments utilizes a telephone wire to answer or call simultaneously, can insert the Internet by computer and carry out transfer of data, and both are independent of each other.Do workman person and can normally use the OA office system, transmit form immediately, the indication that the company of execution faster assigns, simultaneously by receiving and dispatching the various information of company after the ADSL online faster, save the expense of wiring, realized with no paper office, improved operating efficiency.Applicability is strong, and is economical and practical, has application value preferably.

2, the utility model enterprises phone local area network (LAN) system architecture, the message transmission rate of xDSL is self-adjusting according to the situation of circuit, it carries out transfer of data in the mode of " doing one's best ".Though the still original telephone wire that uses, the data of xdsl transmission so the xDSL online does not need to pay extra telephone charges, have been saved expense not by telephone exchange.It is promoted the use of, and has realized allowing " information superhighway " to cover each corner of whole plant area, allows the bottleneck of " last kilometer " be resolved, and has improved the business economic benefit, for national and society have saved resource.

3, the utility model enterprises phone local area network (LAN) system architecture exclusively enjoys bandwidth, safe and reliable; Surf the Net, make a phone call not disturb mutually convenience quick for installation.Utilize the original telephone network of company, form the network topology structure of hub-and-spoke configuration, backbone network adopts the Optical Fiber Transmission that spreads all over whole audience district, and information is transmitted fast and reliable safety.Utilize original call network insertion local area network (LAN),, be not subjected to the restriction of optical fiber wiring as long as there is the place of phone just can surf the Net.On the existing telephone line, xDSL is installed, only needs an xDSL modem to be installed at user side, and need not be for broadband access network cloth again if the change circuit.

Description of drawings

Fig. 1: the utility model enterprises phone local area network (LAN) system architecture structural representation.

Embodiment

Embodiment one: referring to Fig. 1, the utility model enterprises phone local area network (LAN) system architecture, on enterprise's own program controlled telephone networking system-based, in conjunction with xDSL technique construction enterprises lan, the end that goes out at the enterprise's local side apparatus voice exchange that connects the local telephone network public network, voice exchange is exported each road holding wire and is connected the xDSL switch with cable by distributing frame, the xDSL switch is exported each road switching signal and is connected each road telephone terminal and xDSL-Modem with distributing frame by cable, and each road telephone terminal user's computer inserts enterprises phone LAN system by xDSL-Modem.Described xDSL switch adopts the Huawei3026 or the MA5105 of Huawei Company.

Embodiment two: referring to Fig. 1, present embodiment enterprises phone local area network (LAN) system architecture, different with embodiment one is: be provided with the POTS separator with telephone signal and xDSL Signal Separation at network side, send into stored-program control exchange and ATM switch or core router respectively; At user side, being provided with the POTS separator is responsible for the mixed signal of down direction is isolated analog signal and digital signal, give subsets and ADSL-Modem respectively, and on also being responsible for and being used in a pair of twisted-pair feeder from the digital multiplexed signal of ADSL-Modem from the analog signal of telephone set on the up direction.

The utility model mainly is a programme-controlled telephone system of utilizing enterprise own, in conjunction with ripe xDSL technology, makes up enterprises lan.Though there is oneself independently call voice switching system in a lot of enterprises, do not have and utilize the xDSL technology to make up the internal lan system, so this project has very huge application and popularization value, and economic benefit and social benefit is obvious.

XDSL is all kinds DSL (Digital Subscribe Line) digital subscriber line) general name, comprise ADSL, RADSL, VDSL, SDSL, IDSL and HDSL etc.XDSL is a kind of new data transfer mode.Therefore it be called the ADSL (Asymmetric Digital Subscriber Line) loop because uplink and downlink bandwidth is asymmetric.It adopts frequency multiplexing technique that common telephone wire has been divided into phone, three relatively independent channels of uplink and downlink, thereby has avoided interference each other.Even the situation that speed of surfing the Internet and speech quality descend can not take place in the online while making a phone call yet.Usually ADSL can provide the speed uplink of the highest 3.5Mbps and the downstream rate of the highest 24Mbps under the situation that does not influence normal telephone communication.

The technical standard of ADSL has two kinds: a kind of is ADSL standard---the G.dmt of full rate (Full-rate), supports high speed uplink/downstream rate of 640Kbps/8Mbps; Another kind is ADSL technical standard---the G.lite that simplifies, and the highest upstream rate is reduced to 512Kbps, and the highest downstream rate is reduced to 1.5Mbps, can also cancel the POTS demultiplexer at user side in addition.

By set up the xDSL switch at telephone room, realize network office through switch allotment back access to LAN after all xDSL telephone line redirects.Wherein the telephone wire wire jumper needs telephone squad to cooperate the adjustment of finishing on the distributing frame, unified divisions such as the configured port of access ADSL switch and VLAN.The unit of close together uses VDSL to guarantee its network quality and speed, and unit that distance is far away and unit with a varied topography use the ADSL2+ mode to guarantee its stability and versatility!

The modem(modulator-demodulator that lectotype selection is used) be TP-LINK, TP-8620, its advantage is a lot, but most importantly adopts the automatic matching technique of VPI/VCI, need not configuration, and plug and play uses easily.To dispose modem telephone wire main line then to the scene and be connected on the distributing box, two short-terms insert junction box respectively, 2 lines that junction box comes out, and one is digital signal line, just the netting twine that is connected with modem.Other one is analog signal line, is telephone wire.This root line can not be connected with modem.Insert telephone set respectively and modem(it should be noted that by the sign on the box: be on two interfaces, to connect two extensions simultaneously under the normal condition).At last, connect the modem power line, one of netting twine is received the modem mouth, one is inserted computer network interface card mouth.If use the bridge joint mode, should dispose corresponding static IP address.

Claims (3)

1. enterprises phone local area network (LAN) system architecture, on enterprise's own program controlled telephone networking system-based, in conjunction with xDSL technique construction enterprises lan, it is characterized in that: at the end that goes out of the enterprise's local side apparatus voice exchange that connects the local telephone network public network, voice exchange is exported each road holding wire and is connected the xDSL switch with cable by distributing frame, the xDSL switch is exported each road switching signal and is connected each road telephone terminal and xDSL-Modem with distributing frame by cable, and each road telephone terminal user's computer inserts the enterprises lan system by xDSL-Modem.

2. enterprises phone local area network (LAN) system architecture according to claim 1 is characterized in that: be provided with the POTS separator with telephone signal and xDSL Signal Separation at network side, send into stored-program control exchange and ATM switch or core router respectively; At user side, being provided with the POTS separator is responsible for the mixed signal of down direction is isolated analog signal and digital signal, give subsets and xDSL-Modem respectively, and on also being responsible for and being used in a pair of twisted-pair feeder from the digital multiplexed signal of xDSL-Modem from the analog signal of telephone set on the up direction.

3. enterprises phone local area network (LAN) system architecture according to claim 1 and 2 is characterized in that: described xDSL switch adopts the Huawei3026 or the MA5105 of Huawei Company.

Images