This 5 pack of Cisco® GLC-T compatible SFP transceivers provides 1000Base-TX throughput up to 100m over a copper connection using a RJ-45 connector. Each is guaranteed to be 100% compatible with the equivalent Cisco® transceiver. Our TX transceiver modules support 10/100/1000Mbs auto-negotiation and can be configured to fit your needs. This easy to install, hot swappable transceiver has been programmed, uniquely serialized and data-traffic and application tested to ensure that it will initialize and perform identically. It is built to meet or exceed the specifications of Cisco®, as well as to comply with MSA (Multi-Source Agreement) standards to ensure seamless network integration. All of our transceivers are Trade Agreements Act (TAA) compliant. We stand behind the quality of our products and proudly offer a limited lifetime warranty.