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.
