Entrance guard monitoring system and method of optical cable cross connection boxcabinet
A technology of optical cable transfer box and monitoring system, which is applied in the direction of instruments, time registers, single input port/output port registers, etc., which can solve the problems of inconvenient upgrade, high cost, and large space occupation, and achieve upgrade and expansion , cost-saving effect
Active Publication Date: 2015-09-23
SUZHOU CREALIGHTS TECH
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Problems solved by technology
[0007] However, the above-mentioned patents have many disadvantages: the monitoring of multiple boxes on one link and the simultaneous monitoring of multiple doors cannot be realized; the downstream optical transceiver module is placed in the transfer box, which inevitably requires electrical support; the downstream optical transceiver module is Putting it in the transfer box takes up a lot of space, which is not conducive to being placed; the cost is high, and it is inconvenient to upgrade later
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[0028] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0029] figure 2 It is a schematic diagram of the implementation of the access control monitoring system for the optical cable transfer box provided by the preferred embodiment of the present invention. Such as figure 2 As shown, the cable transfer box access control monitoring system provided by the preferred embodiment of the present invention includes a transmitting unit 101, a multiplexer 102, a wavelength division multiplexing device 103, a light blocking device 104, a wave splitter 105 and a receiving unit 106. The wavelength division multiplexing device 103 includes a transmission end and a reflection end, and the light blocking device 104 includes a fiber collimator and a light blocking sh...
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The invention provides an entrance guard monitoring system and an entrance guard monitoring method of an optical cable cross connection cabinet. The system comprises a transmitting unit, a wave combiner, wavelength length division multiplexer, a light shielding device, a wave separator and a receiving unit, wherein the wavelength length division multiplexer comprises a transmission end and a reflection end; the light shielding device comprises an optical cable collimator and a light shielding piece; a plurality of internal doors are arranged in each cross connection cabinet, when any internal door is opened, the light shielding piece shields an optical path, so as to realize the purpose that the optical path is not connected. The wavelength division multiplexer and the light shielding device are mounted in the cross connection cabinet; all the transmitting unit, the wave combiner, the wave separator and the receiving unit are mounted at a local end; any component needing electricity does not exist inside the cross connection cabinet.
Description
technical field [0001] The invention belongs to the field of communication network equipment, and in particular relates to an access control monitoring system and method for an optical cable transfer box. Background technique [0002] Optical cable transfer boxes are widely used in optical networks, especially in the current large-scale construction of ODN networks, and have always played an important role. In the ODN network, the upstream of the optical cable transfer box is connected to the OLT equipment through the optical cable, and the downstream is connected to the optical distribution box in many corridors through the optical cable, and even directly connected to the user. A large number of optical splitters in the ODN network are centrally placed in the optical cable transfer box, which is the most important part of the ODN network except for the OLT computer room. According to the existing network design, each ODN central office can control multiple optical cable t...
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IPC IPC(8): G07C9/00
Inventor 汪军平
Owner SUZHOU CREALIGHTS TECH