Keysight / Agilent / HP 81000HI E-2000 Connector Interface

The Keysight/Agilent/HP 81000HI is an E-2000 optical connector interface designed for fiber optic testing and measurement systems. This adapter provides reliable physical contact (PC) connections and is part of the 81000xI series of universal optical interface adapters. The 81000HI is specifically intended for use with optical sources and delivers the precision connections required for accurate optical signal transmission in laboratory and production test environments.

Technical Specifications

Connector Type: E-2000

Contact Configuration: Physical Contact (PC)

Ferrule Design: 2.5mm metal-jacketed fiber ferrule with 14mm threaded ring

Interface Mounting: Threaded optical head mount or D-shaped adapter compatible

Key Features

Accepts E-2000 connectors in both PC and APC interface variants

Universal adapter compatibility within the 81000xI series

Suitable for straight and angled connector interfaces

Direct integration with Keysight optical sources via threaded mount

Metal-jacketed ferrule design ensures durability and signal integrity

Typical Applications

Fiber optic source connection and testing

Optical power measurement interfaces

Multimode and single-mode fiber system validation

Laboratory and production optical testing workflows

Compatibility & Integration The 81000HI integrates with Keysight optical instruments equipped with threaded optical head interfaces. It universally accepts other 81000xI series adapters, providing flexibility across multiple fiber optic connector topologies. The adapter is optimized for source modules and is not recommended for sensor applications. Connection options include direct threaded mounting to compatible optical heads or interfacing through specific D-shaped adapter configurations for alternative optical head designs.