The Keysight (formerly Agilent/HP) E8408A is a high-performance, 4-slot, C-size VXI mainframe designed for portable, benchtop, or small-scale automated test applications. Combining a highly compact half-rack footprint with 324 W of usable power and robust peak currents on all major VXI voltage rails, the E8408A ensures full compatibility with the VXIbus Revision 1.4 standard while maintaining efficient, quiet, and reliable operation.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | None (determined by Slot 0 controller card) |
| Display | None (status LEDs only) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 264 VAC, 47 to 66 Hz (and 360 to 440 Hz at 115 VAC) |
| Operating Temperature | 0 to 55 °C |
| Dimensions (W×H×D) | 213 mm × 222 mm × 561 mm |
| Weight | 11.3 kg |
System Architecture & Capacity
| Parameter | Value |
|---|---|
| Number of Module Slots | 4 |
| Compatible Module Size | VXI C-size |
| VXIbus Compliance Version | Revision 1.4 |
Power Specifications
| Parameter | Value |
|---|---|
| Maximum Usable Module Power | 324 W (at 55 °C) |
| Maximum Mains Input Power | 500 VA |
| +5V Rail Peak Current | 30 A |
| +12V Rail Peak Current | 4 A |
| +24V Rail Peak Current | 4 A |
| -5.2V Rail Peak Current | 15 A |
| -2V Rail Peak Current | 5 A |
| +5V Rail Dynamic Current | 4.5 A |
| +12V Rail Dynamic Current | 1.0 A |
| +24V Rail Dynamic Current | 1.5 A |
| -5.2V Rail Dynamic Current | 3.0 A |
| -2V Rail Dynamic Current | 1.0 A |
Physical Characteristics
| Parameter | Value |
|---|---|
| Form Factor | 5U portable / benchtop (half-rack width) |
| Cooling Fan Speed Modes | High / Variable switchable on rear panel |
User Interface & Operation
| Parameter | Value |
|---|---|
| Diagnostic Interface | Rear-panel analog power supply monitoring connector |
Environmental & Compliance
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +75 °C |
| Operating Humidity Range | Up to 95% R.H. (non-condensing) |
| Maximum Operating Altitude | 4600 m |
| Maximum Storage Altitude | 15000 m |
Acoustics
| Parameter | Value |
|---|---|
| Acoustic Noise (Low Fan Speed) | 30 dBA (bystander position at 1m) |
| Acoustic Noise (High Fan Speed) | 42 dBA (bystander position at 1m) |
Backplane Specifications
| Parameter | Value |
|---|---|
| Automatic Daisy-chain Jumpering | Yes (for IACK and BG signals) |
VXI Backplane
| Parameter | Value |
|---|---|
| System Clock (CLK10) | 10 MHz |
Compliance
| Parameter | Value |
|---|---|
| Safety Compliance | IEC 61010-1, EN 61010-1, UL 3111-1, CSA C22.2 No. 1010.1 |
| EMC Compliance | EN 55011 (Group 1, Class A), EN 50082-1 |
Technology
VXI
Applications
Modular automated test system mainframe