The Best Cisco QSFP-40G-ER4 is a high-quality transceiver module designed for long-reach 40G Ethernet and optical transport network (OTUapplications. It is manufactured by ETU-Link Technology Co., Ltd., a leading provider of optical communication products, This QSFP-40G-ER4 module offers four independent transmit and receive channels and supports link distances of up to 40km over single-mode fiber. It complies with the QSFP MSA and SFF-8436, and it is hot-pluggable for easy installation and removal. The module is also equipped with digital diagnostic monitoring functionality to provide real-time information about the module's operating conditions, ETU-Link Technology Co., Ltd. ensures the highest level of quality and reliability in its products, and the Best Cisco QSFP-40G-ER4 is no exception. It undergoes rigorous testing to meet industry standards and is backed by a comprehensive warranty. With its excellent performance and competitive pricing, this transceiver module is an ideal choice for networks requiring long-distance connectivity with uncompromising speed and data integrity
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