PTN equipment and method for single-slot interface capacity switching
An interface and slot technology, which is applied in the field of PTN equipment with single-slot interface capacity switching, can solve the problem of reducing the number of PTN equipment slots, achieve multi-service type access requirements, maximize access capacity, and reduce costs. Effect
Active Publication Date: 2018-08-07
FENGHUO COMM SCI & TECH CO LTD
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- Application Information
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Problems solved by technology
Currently accessing PTN equipment, there is a problem that the more slots there are, the lower the interface capacity of a single slot will be; however, increasing the interface capacity of a single slot will cause the problem of reducing the number of slots of PTN equipment; therefore, using the same PTN It is difficult for the device to adapt to two different situations
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[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0017] The PTN equipment for single-slot interface capacity switching of the present invention includes a sub-frame backboard, the sub-frame backboard contains a plurality of service disk slots, and each service disk slot contains two service terminal interfaces. The sub-frame backplane is also plugged with a cross-connect disk, the cross-connect disk includes a switch chip, and the switch chip includes a plurality of service forwarding ports. Preferably, the number of service forward ports of the switch chip is the same as the number of service disk slots on the sub-frame backplane.
[0018] The PTN equipment for single-slot interface capacity switching of the present invention also includes at least one 2:1 multiplexing / demultiplexing switch, which is installed in the form of a chip and has three ports A, B, and C, and the C port is fixedly c...
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The invention discloses a PIN device capable of switching single slot interface capacity and a method, relating to the PTN device field. On the sub-frame backboard, one business terminal of a business disc slot position which needs the interface capacity switching is connected to a 2:1 multiplexing / demultiplexing switch B terminal; a business terminal interface of the business plate slot position which is adjacent to the business plate slot position is connected to the A terminal of the 2:1 multiplexing / demultiplexing switch; C terminal of the 2:1 multiplexing / demultiplexing switch is connected to a business forwarding terminal on the switch chip, wherein the 2:1 multiplexing / demultiplexing switch bi-casting configuration pin is always the low electrical level; when the channel chooses the pin as a low electrical level, the A terminal is connected to the C terminal; and when the channel chooses the pin as a high electrical level, B terminal is connected to the C terminal. The invention realizes the flexible switching between the default access capacity of the single slot position interface and the double access capacity in order to satisfy the various application scenes.
Description
technical field [0001] The invention relates to the field of PTN (Packet Transport Network, packet transport network) equipment, in particular to a PTN equipment and method for single-slot interface capacity switching. Background technique [0002] Due to the rapid development of mobile networks and the rapid increase in bandwidth requirements, there are higher requirements for the overall service switching capacity of PTN equipment that bears the weight of the network. On the premise of meeting the business switching capacity required by the network, the larger the capacity of the single-slot interface of the PTN equipment, the lower the cost of a single service disk (the cost of a service single disk with 2 times the interface capacity will be lower than that of two 1-time interfaces capacity of a business single disk), so there is also a high requirement for the interface capacity of a single slot. At the same time, the more slots supported by PTN equipment, the more typ...
Claims
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IPC IPC(8): H04L12/701
CPCH04L45/00
Inventor 韩亚雷曹训灿
Owner FENGHUO COMM SCI & TECH CO LTD