The Keysight (formerly Agilent/HP) E8401A is a high-performance, 13-slot, C-size VXI mainframe designed for demanding test and measurement applications. It features a robust 1000 W power supply providing 500 W of usable power, exceptional cooling efficiency through an impeller fan design, and full compliance with VXIbus specifications.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | None (external communication interface is provided by the installed VXI Slot 0 controller) |
| Display | None (LED status indicators only) |
Physical
| Parameter | Value |
|---|---|
| Operating Temperature | 0 °C to +55 °C |
| Dimensions (W×H×D) | 424.5 mm × 352 mm × 631 mm |
| Weight | 20.3 kg |
System Architecture & Capacity
| Parameter | Value |
|---|---|
| Number of Module Slots | 13 |
| Compatible Module Size | C-size |
| Backplane Bus Interface Type | VXIbus Rev. 1.4 |
Power Specifications
| Parameter | Value |
|---|---|
| Total Power Supply Capacity | 500 W |
| Total Usable Power | 500 W |
| Backplane Rail +5V Peak Current | 50 A |
| Backplane Rail -5.2V Peak Current | 30 A |
| Backplane Rail +12V Peak Current | 8 A |
| Backplane Rail +24V Peak Current | 8 A |
| Backplane Rail -2V Peak Current | 15 A |
Physical Characteristics
| Parameter | Value |
|---|---|
| Form Factor | 8U |
| Cooling System Type | Impeller fan |
| Slot Pitch | 30.48 mm (1.2 in) |
Environmental & Compliance
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +75 °C |
User Interface & Operation
| Parameter | Value |
|---|---|
| Status Indicators | Front panel LEDs (Power, Fan, Temperature) |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Diagnostics Connector | 25-pin D-sub (rear panel) |
Cooling
| Parameter | Value |
|---|---|
| Cooling Capacity per Slot | 75 W (with a 15 °C temperature rise) |
| Fan Speed Control | Two-position switch (High/Auto) |
Environmental
| Parameter | Value |
|---|---|
| Acoustic Noise (Low Speed) | 38 dBA |
| Acoustic Noise (High Speed) | 51 dBA |
| Operating Humidity Range | Up to 95% RH (non-condensing) |
Standards & Compliance
| Parameter | Value |
|---|---|
| VXIbus Specification Compliance | Revision 1.4 |
| VMEbus Specification Compliance | ANSI/IEEE 1014-1987 |
Mechanical
| Parameter | Value |
|---|---|
| Rack Height | 8 U |
Backplane Specifications
| Parameter | Value |
|---|---|
| Daisy Chaining | Automatic solid-state daisy chaining for BG and IACK signals |
Compliance & Certifications
| Parameter | Value |
|---|---|
| Safety Standards | IEC 61010-1, EN 61010-1, UL 3111-1, CSA C22.2 No. 1010.1 |
| EMC Standards | EN 55011 Group 1 Class A, EN 50082-1 |
Technology
VXI
Applications
Modular Test and Measurement Mainframe