Huawei QSFP+ 40G ER4 40km Long-haul Single-mode WDM Optical Module PN:02311BKT

Ultra-long-reach WDM single-mode QSFP+ optical module PN 02311BKT, standard 40GBase-ER4, built-in 4-channel 1310nm high-power DFB WDM laser, duplex LC dual-fiber interface, max transmission distance 40km over G.652 single-mode fiber, used for long-distance cross-city, cross-district 40G backbone transmission of metropolitan area networks.

✅ Standard hot-swappable QSFP+ package, compatible with metro core routers and long-distance aggregation switches ✅ High-power ER4 WDM laser design, 40km ultra-long single-mode transmission capacity, far longer than LR4 10km module ✅ WDM integration design, only 2 LC single-mode jumpers to realize 40G bandwidth, no MPO multi-core cable required ✅ Built-in complete DDM digital optical monitoring, real-time reading of module temperature, transmit/receive optical power, laser bias current ✅ Distinct red pull tab, easy to distinguish ultra-long-distance single-mode modules on site ✅ Ideal for metro backbone, cross-district industrial park, remote campus long-distance 40G fiber links

Metropolitan area network cross-district 40G core backbone interconnection, remote industrial park multi-plant ultra-long-distance high-speed networking, suburban campus cross-region core network transmission, operator edge access long-distance convergence fiber links.