Keysight / Agilent / HP 82357A USB/GPIB Interface

The Keysight 82357A USB/GPIB interface bridges modern USB-equipped computers with legacy and contemporary GPIB instruments. This compact adapter enables instrument control, configuration, and data acquisition via a single USB connection. Plug-and-play installation and hot-pluggable design eliminate downtime and complex setup procedures. The interface sustains data transfer rates exceeding 850 KB/sec, with typical block transfer performance reaching 750 KB/sec. It connects to up to 14 GPIB instruments via daisy-chained IEEE 488 cables.

## Technical Specifications

• USB 1.1 interface (USB 2.0 compatible)
• IEEE 488 (GPIB) instrument interface
• Data transfer rate: >850 KB/sec; 750 KB/sec typical (large block transfers)
• Supports up to 14 GPIB instruments
• USB cable: 2.5 m length, shielded, USB 2.0 compliant, rated for 1,500 insertions
• Power consumption: +5 V, 200 mA typical / 500 mA maximum
• Bus-powered operation; no external supply required
• Standard connectors: 24-pin IEEE 488 (GPIB) and USB Type-A

## Key Features

• Plug-and-play and hot-pluggable operation
• Compact, lightweight design
• Status indicators: READY, ACCESS, FAIL LEDs
• Attached thin, flexible shielded USB cable

## Compatibility & Integration

Supported operating systems: Windows 98 SE, Windows Me, Windows 2000 (Service Pack 4 or later), Windows XP Professional (Service Pack 1 or later).

Requires Keysight IO Libraries Suite (Version 14.0 or greater) or Keysight IO Libraries (Version L.01.00 or greater). Supports SICL and VISA 2.2 programming standards.