24-port optical switch supporting megabit optical fiber and gigabit optical fiber at the same time

Abstract

The invention discloses a 24-port optical switch supporting a Megabit optical fiber and a Gigabit optical fiber at the same time. The 24-port optical switch comprises a PCB mainboard, wherein a power supply chip, a microcontroller and a switching chip are arranged on the PCB mainboard. The microcontroller is connected with a DIP switch. The microcontroller is connected with the switching chip. The switching chip is connected with eight physical layer chips. The first to sixth physical layer chips are connected with four SFP sockets. Each SFP socket is connected with an optical module. The optical modules are connected with optical network ports, and totally, 24 optical network ports are formed. The seventh to eighth physical layer chips are respectively connected with two groups of photoelectric multiplexing modules. Each photoelectric multiplexing module comprises an SFP socket and a network transformer. The SFP sockets are connected with the optical modules. The network transformers are connected with RJ45 sockets. The optical modules and the RJ45 sockets are together connected with Combo interfaces. According to the 24-port optical switch, matched chips of the 24-port MAC switching chip 98DX3021 and the physical layer chips 88E1548 are employed; the physical layer chips 88E1548 support 1000Base-X and 100Base-FX; through selection of the DIP switch, both the Gigabit optical fiber and the Megabit optical fiber are supported; and the 24-port optical switch is very convenient.

Description

technical field [0001] The invention relates to a switch, in particular to a 24-port optical switch which simultaneously supports 100M optical and 1000M optical. Background technique [0002] At present, there is a prominent problem in the common 24-port optical switch: the optical port either supports Gigabit or 100M, but cannot support both Gigabit and 100M at the same time, which is very inconvenient to use. The existing common 24-port Gigabit optical switch is basically designed to use the Serdes port of the 24-port MAC switching chip to output the optical port, and the Serdes only supports 1000Base-X, that is, only supports Gigabit optical, so it cannot support 100M optical. The development difficulty of this kind of solution is very low, but the optical port rate regulation is not flexible. Contents of the invention [0003] The present invention aims to solve the above-mentioned disadvantages, and provides a 24-port optical switch supporting both 100M optical and 1...

AI Technical Summary

Problems solved by technology

[0002] At present, there is a prominent problem in the common 24-port optical switch: the optical port either supports Gigabit or 100M, and cannot support both Gigabit and 100M at the same time, which is very inconvenient to use

The existing common 24-port gigabit optical switch basically uses the Serdes port of the 24-port MAC switching chip to output the optical port, and the Serdes only supports 1000Base-X, that is, it only supports Gigabit optical, so it cannot support 100M optical

The development difficulty of this type of solution is very low, but the optical port rate regulation is not flexible

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