The SFPGLCSXMMST Cisco Compatible Gigabit Fiber SFP Transceiver Module MM LC - 550m (1804 feet) is built to comply with MSA (Multi-Sourcing Agreement) standards to offer a cost-effective way to add, replace or upgrade a Multimode LC port on your Gigabit fiber networking equipment or fiber media converter. Supporting data rates up to 1.25 Gbps, this LC Mini-GBIC module can be installed into any fiber networking device with an MSA or Cisco compliant SFP port. Delivering both convenience and scalability, this fiber transceiver is fully hot-pluggable, which enables you to install the module without interrupting network traffic or requiring a device reboot. Replacing defective or damaged SFPs/Mini GBICs in MSA or Cisco compliant equipment. Equipped with an industry standard single-mode LC interface, this module can extend your network connectivity up to 550 m. Replacing defective or damaged SFPs in MSA compliant or Cisco equipment. Expand your network to remote segments.