The MiTOP-E1/T1 SFP format TDM Pseudowire Gateway model number MiTOP-E1T1/FE is a pluggable SFP Module with an E1/T1 interface and Fast Ethernet port.brbr The MiTOP-E1/T1 is an SFP format TDM pseudowire (PW) access gateway extending TDM-based services over packet-switched networks. Housed in a Small Form-Factor Pluggable (SFP) enclosure, it is designed for quick and simple insertion into any 100/1000BaseFx Ethernet port with an MSA-compatible socket.brbr The MiTOP-E1/T1 is a simple and cost-effective alternative to external, standalone gateways or conversion cards for each user device, saving on space, power consumption, cabling, and simplifying management. Housed in a Small Form Factor Pluggable (SFP) package, MiTOP-E1/T1 complies with the Multi-Source Agreement. Running on power derived from the host device, it requires no additional power supply. The MiTOP-E1/T1 is hot-swappable and features a special release mechanism for easy extraction from the SFP socket.