System of flexible multiplexing
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Description
SGM - flexible primary multiplexer of multiservice access with a possibility of routing. Universal opportunities and a full set of standard user interfaces of the multiplexer allow to use it to a wide range of telecom operators.
This modern decision can be used on sites of primary network, access knots, carrying out of a technological network with connection to TFOP and granting a totality of the modern analog/digital channel terminations. The multiplexer can be used for the organization of the distributed data transmission networks, association LAN and the control of multiplexers allows remote (local and network).
As the used communication channels the system can be configured in any combination with use of various interface modules, including standard telephone channels, the allocated analog and digital lines, high-speed digital lines, the E1 lines and connection of a LAN (Ethernet LAN). Important feature of the multiplexer is the possibility of creation of the IP data transmission network imposed on the existing TDM network of E1 channels. It is provided with function of the routing which is built in the module of management of the multiplexer.
Depending on the organization of a network, SGM it can be used as terminal primary multiplexer, transit primary multiplexer of allocation/addition or (on the party of the central knot) for realization of communication channels of the central office with a set of the SGM remote terminals.
On the organization of network architecture of SGM "star", "point-to-point" or "addition/allocation" can connect in topology. For the organization of a communication channel between various SGM by systems it can be used the available linear ports: E1 2048 kbps, various specialized systems of transfer on a copper cable, digital RRL or optical PDH-and SDH multiplexers (for example, FM and STM) using standard primary joint (E1 G.703/704 interface) for connection with SGM.
SGM provides four or eight external E1 of interfaces in one system and allows to execute their full krosskonnekt. Each E1 the interface is independent of others and allows to transmit to 31 channels through one communication channel 2,048 Mbps. Function of reservation of streams E1 1+1 is realized.
SGM gives an opportunity of creation of subscriber carrying out in the form of the distributed telephone network with a capacity up to 1000 numbers. This network can form linear or treelike structure and can be connected, for example, to a city telephone network by E1 streams with the R1.5 or EDSS1 (PRI) alarm system.
SGM is mounted in the cartridge intended for installation in 19" - a rack. All modular payments are gaining independence and are established in the universal cartridge, and modules of the digital and analog channel terminations are installed on any of 13 empty seats (platomesto 1 it is intended for the module of management). The LED indicators located on the forward panel of modules show current state of operation of the device. On a product the certificate on a mass production is received.
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System of flexible multiplexing