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How to install and debug the telephone optical transceiver Optical fiber has become the most important transmission medium. The performance advantages such as low loss, long distance and large capacity make it difficult to replace. The optical transceiver uses Fibre Channel to tr…
Video Optical Transceiver Principle:A video optical transceiver is a device that converts one or more analog video signals into optical signals through optical fibers through various codes.Since the video signal is converted into an optical signal…
MSAP technology Muti-Services Access Platform (MSAP) uses traditional SDH technology, based on SDH technology, adopts advanced GFP, VCAT and LCAS technologies, and combines Ethernet switching technology and ATM switching technology to ac…
MSTP technology MSTP is based on the SDH platform to realize TDM, ATM, and Ethernet etc multi-service access, processing, transmission, and provides unified network management and implements of multiple services node. Multiple Spanning T…
How to set up a telephone LAN Telephone local area networkAt this time, we can use the program-controlled switch. In short, it is the main device for realizing communication between the internal telephones of the enterprise. Just like the network swit…
The difference between 1+1 and 1:1 of SDH Network SDH (Synchronous Digital Hierachy) has become the basis for building high-speed broadband digital transmission networks. SDH is a set of structural levels of standardized digital signals for simultaneous information trans…
Optical transceiver interface Now optical transceivers can transmit a lot services, such as: video, audio, data, switch, telephone, Ethernet and so on. Their interfaces as follow:1. RJ45 Ethernet interface, the connection is generally five network cab…
The solution to solve intermittent fault of the optical transceiver The method to solve of permanent failure: to recover the circuit according to the detected obstacle point, or to re-do the head on the DDF, or replace the U-Link, or replace the disk. The solution to solve intermittent fa…
How to solve the permanent failure of optical transceiver For the failure of the optical transceiver, it can be divided into permanent fault and intermittent fault. A permanent fault means that the alarm is always maintained; an intermittent fault means that there is no certain …
PCM device Ethernet bandwidth allocation problem In fact the Ethernet bandwidth of a PCM device mainly depends on two factors: 1. How many 2M circuits can you provide? 2. What services are transmitted in addition to Ethernet.First of all, it should be noted that the sta…
The difference between optical transceiver and switch The optical transceiver is a device that converts a signal transmitted through an optical fiber into an electrical signal and converts the electrical signal into an optical signal; a fiber switch is a device that transmit…
Power communication PCM device 1. Power communication PCM device applicationThe power dispatching communication network is one of the important dedicated communication networks in China, and it is the most important component of the power system commun…
The difference between MSTP and MSAP The concept of themMSTP refers to the multi-service node that provides unified network management based on the SDH platform and implements access, processing, and transmission of multiple services such as TDM, ATM, and Et…
Comparison of PDH and SDH PDH (Quasi-Synchronous Digital Transmission System) is the main transmission system used in the Internet. However, with the rapid development of the Internet industry, the amount of information transmitted, exchanged, and…
PCM device interface PCM device interface: It includes user interface and transmission link interface.User interface: An interface used to connect a user terminal device and connect the PCM device to the user device through cable.I. the user …
8channel telephone optical transceiver principle The 8channel telephone optical transceiver is used in pairs. One end is connected to the program-controlled switch. The middle is transmitted through optical fiber, and the other end is directly connected to the telephone…
How many channel telephones can be transmitted by one core fiber Actually the number of telephones does not depend on the fiber, but base on the capacity of the transmission device.At present, most of the optical fiber transmission devices use multiplexing technology. In the 1-core or …
Optical fiber transmission 30channel telephone solution The 30channel telephone optical transceiver is a device that converts a conventional telephone signal into an optical signal and transmits it on an optical fiber.The 30channel telephone optical transceivers are used in pa…
Point-to-multipoint fiber optic transmission solution Each remote station has a straight-through optical fiber to the central office. One unit ZMUX-3300 is installed at the central office, and one unit ZMUX-3032 is installed at each remote station to realize 1 point to multi…
PCM equipment and PDH optical transceiver cascade guidance PCM devices carry various service data through 2M channel, and PDH optical transceiver transmit standard 2M data through optical fiber. At present, the use of PDH optical transceiver and PCM device is one of the most comm…

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