LOH (Line OverHead)

In a SONET or SDH frame, overhead of 18 octets that controls the reliable

transport of payload data in the Synchronous Payload Envelope (SPE) between any two network elements (NEs). LOH and Section Overhead (SOH) between adjacent NEs compose Transport Overhead (TOH).

See also frame, link, octet, overhead, SDH, SOH, SONET, and TOH.

• high-speed channel (H channel)
• High-Speed Circuit Switched Data (HSCSD)
• High Speed Downlink Packet Access (HSDPA)
• High Speed Uplink Packet Access (HSUPA)
• high-tier
• high voltage (HV)
• HiperACCESS (High performance radio ACCESS)
• HiperLAN/1 (High performance radio Local Area Network version 1)
• HiperLAN2 (High performance radio Local Area Network version 2)
• HiperMAN (High performance radio Metropolitan Area Network)
• HIPPI (HIgh Performance Parallel Interface)
• Hockham, George
• hold
• hold
• Holmes, E.T.
• home page
• home page
• HomePlug
• home run
• hook switch
• hoot
• hoot and holler
• hoot ’n’ holler
• hop
• hop sequence