Some single-mode optical modules need optical attenuators, but some do not need. Multiple types of Huawei devices can use the same type of optical module. This. This article summarizes several solutions for using optical modules with switches and common problems encountered during usage, along with specific solutions. Huawei S5720-32P-EI-AC Switch II. How to Configure Optical Ports on Huawei S5720-32P-EI-AC Switch? Problem: All optical ports cannot be. Huawei has model XFP-10G-1550NM-80KM-SM optical module products, which can support 10G Ethernet transmission of 80KM in single-mode fiber, Moduletek Laboratory has tested the sample of this product, which is convenient for you to know more about the product's performance indexes and the effect of. The purchased products, services and features are stipulated by the contract made between Huawei and the customer. Huawei is not liable for any problem caused by the use of non-certified optical or copper. Huawei eKit offers a comprehensive series of pluggable optical modules in the Huawei eKit portfolio.