This chapter describes the specific items and methods for tuning Huawei Optical Transmission Equipment OptiX OSN2500 system tuning, which mainly include the following steps:

I. Measurement of the actual received optical power of the optical interface. The actual received power of the optical interface is too high or too low, which will cause the equipment to generate error codes, affect the service, and even cause damage to the equipment devices.

Second, check the connection between the network management computer and the device. Network management computer is installed through the network management software to manage the device, if the connection is wrong will lead to the network manager can not manage the network elements, so you must check the connection between the network management computer and the device to ensure that the connection is correct.

Third, create the network, including the creation of network elements, configure network element data, create fiber and create topology subnet. It is also only after creating the topology of the network element and fiber cable that the network element or fiber cable can be managed through the OptiX OSN2500 System U2000.

Fourth, fiber connection errors will affect the actual operation of the business, in order to avoid the impact of fiber connection errors on the testing and business configuration, the system must be tested according to the actual network topology to check the fiber connection of the entire network, to ensure the correctness of the fiber connection.

V. Log in to U2000 to query the software version of the whole network and record the software version, BIOS version, FPGA version and PCB version information of the network elements to ensure that the version of the whole network is consistent.

Sixth, for network elements without NTP service settings, in order to enable the network administrator to accurately record the alarm generation time, in the daily maintenance should be regularly viewed in the network element and the network management time is the same, such as inconsistency should be manually synchronized with the time of the network element and the network administrator.

Reasonably set the performance monitoring parameters of the network element and start the performance monitoring of the network element, you can get the detailed performance records of the network element in the operation process, so that the maintenance personnel can monitor and analyze the operation status of the network element.

Eight, confirm that the fiber optic connection and the network management computer is connected correctly, you can create and configure the network on the network management according to the project file. Ensure that the network administrator can manage all network elements, and can carry out subsequent system tuning tasks.

Nine, the clock synchronization of each network element in the entire network is very important for business. In order to avoid clock failure, the impact on the business, you must test the clock protection reversal, to ensure that the clock protection in the network failure can be normal reversal.

Ten, test the SDH network configuration of various protection inversion, such as two-fiber bidirectional MSP protection inversion, four-fiber bidirectional MSP protection inversion, 1 +1/1:1 linear multiplexing segment protection inversion and SNCP protection inversion.

XI. When the network carries EoS services, it is necessary to verify the availability of EoS service channels. EoS services can be tested by using Ping command test, using ETH-OAM test, or using single-board IP test.

Twelve, the system tuning test finally carries out the BER test of the whole network in order to find out the hidden dangers and problems in the service channel and ensure the stability of the service.

Thirteen, test official business, including official telephone and conference calls, to confirm that the entire network of official telephone and conference calls work properly.

Finally, after the OptiX OSN2500 equipment completes the system tuning and testing, you can check the SDH equipment network-wide alarms to find and clear the faults existing in the network.

The technical information in this chapter and the related SDH equipment troubleshooting procedures are provided by Shenzhen Optical Transmission Network Technology Co. Huawei SDH optical transmission equipment, SDH transmission equipment sales phone: 13430988088 Welcome to call!