The iConverter T3/E3 media converter provides standard T3 (44.736Mbps) or E3 (34.368Mbps) coax to fiber conversion and can be used to connect to devices such as PBXs, multiplexers, routers and video servers via fiber. T3/E3 media converters operate in pairs, extending distances over fiber, which improves noise immunity, quality of service, intrusion protection and network security. Supports B3ZS for T3 (DS3) and HDB3 for E3 codes Framing independent; supports framed or unframed and channelized or fractional unchannelized data Supports RG-59 75 ohms coax interface with shorthaul and long-haul build-out options Features user-selectable local and remote loopback modes and Force 1s (AIS) to Coax and Fiber Management is available with the addition of a management module to the chassis Modules are hot-swappable and can be used in the 19-Module, 5-Module, 2-Module or 1-Module iConverter chassis LED displays for immediate visual status of each port Lifetime Warranty and free 24/7 Technical Support