Optical module and method for guaranteeing integrity of optical module protocol data

Abstract

The invention relates to an optical module and a method for guaranteeing integrity of the optical module protocol data. The optical module obtains self state information and stores the information alone, and the optical module receives the control information sent by the mainframe and stores the information alone. The original stored data can be updated when new optical module self state information and control information sent by the mainframe are received. The optical module self state information and the control information can not be lost, when the mainframe needs to obtain optical module state information, the control information and the optical module self state information can be computed step-by-step to obtain protocol byte and the protocol byte is then sent to the mainframe. Therefore, the method provided by the invention can guarantee that the control bit and the status bit contained in the protocol byte can be updated normally, the problem of unsuccessful updating is avoided, and normal running of the optical module communication system is guaranteed.

Description

technical field [0001] The invention relates to the technical field of optical module data processing, in particular to a method for preventing old data of an optical module from overwriting new data and ensuring integrity of protocol data. Background technique [0002] The 110 and 111 bytes of A0 in the INF-8077i protocol in the optical communication field, and the 110 bytes of A2 in the SFF-8472 protocol (hereinafter referred to as protocol bytes) contain control bits and status bits. The control bit refers to the host through the I 2 Bits sent by the C bus to the optical module to control the work of the optical module. The status bit is a bit that the optical module detects its own status and updates at any time. However, control bits and status bits are stored in one byte. The optical module will periodically update the status bit of the protocol byte. The host can read the protocol byte to understand the current state information and controlled state of the optical...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a method for ensuring the integrity of optical module data, which solves the problem that the control bit and status bit of the existing optical module are in a protocol byte, and the control bit of the protocol byte may be written back to the previous control bit. There is a technical problem that the control information is lost, causing the host to determine that the optical module is abnormal

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