Description
The Part Number 194591A-01, also known by its alternate part number 779724-01, identifies a specialized component within the category of PXI Remote Controllers. This particular model, the NI PCIe-8372, is designed to facilitate high-speed connectivity and control within complex systems.
Its connection interface is based on the MXI-Express standard, which allows it to support cable lengths of up to 7 meters. This extended reach is particularly useful in large-scale configurations or when devices are dispersed across a broad area. The controller features two ports, each conforming to the MXI-Express specification, and utilizes four x1 PCI Express lanes to achieve a lane width of x4. This configuration enables a robust data rate of 10 Gbps bidirectional, ensuring swift and efficient data transfer between connected devices.
For installation, the device requires a PCI Express slot of x4 or higher. It is built to comply with the PCI Express Specification Revision 1.0a. One of the notable characteristics of this controller is its versatility and compatibility. It is engineered to link multiple PXI Express chassis and is also compatible with daisy-chaining MXI-Express x4 models, offering a great deal of flexibility in system design and expansion.
However, it is important to note that when using a slot larger than x4, the device may negotiate down to x1, as indicated in the Throughput Performance Note. Additionally, while the device is highly adaptable, it may not support slots intended for graphics cards, which is a critical consideration for system integrators.
The PWR/LINK LED indications provide immediate visual feedback on the device’s status. An Off indication means the power is off, a Solid Red light indicates that the power is out of specifications, a Solid Amber light signifies that the power is within specifications but not linked, and a Solid Green light confirms that the power is within specifications and successfully linked. These indicators
| Specification | Detail |
|---|---|
| Part Number | 194591A-01 (NI PCIe-8372) |
| Alternate Part Number | 779724-01 |
| Category | PXI Remote Controllers |
| Interface Type | MXI-Express |
| Compatible Cable Length | Up to 7 meters |
| Number of Ports | 2 |
| Lane Widths | x4 (four x1 PCI Express lanes) |
| Data Rate | 10 Gbps bidirectional |
| PCI Express Slot Requirement | x4 or higher |
| PCI Express Specification | Revision 1.0a |
| Compatibility | Can link multiple PXI Express chassis; Compatible with daisy-chaining MXI-Express x4 models |
| Throughput Performance Note | Using a slot larger than x4 may negotiate down to x1 |
| BIOS/Graphics Card Slot Compatibility | May not support in slots meant for graphics cards |
| PWR/LINK LED Indications | Off: Power Off; Solid Red: Power Out of Specifications; Solid Amber: Power Within Specifications but Not Linked; Solid Green: Power Within Specifications and Linked |
Question 1: What is the max cable length for PCIe-8372?
Answer 1: Up to 7 meters.
Question 2: What is the data rate of PCIe-8372?
Answer 2: 10 Gbps bidirectional.
Question 3: How many PCI Express lanes does PCIe-8372 use?
Answer 3: Four x1 lanes for x4 width.
Question 4: Is PCIe-8372 compatible with daisy-chaining?
Answer 4: Yes, with MXI-Express x4 models.
Question 5: What does Solid Green LED on PCIe-8372 indicate?
Answer 5: Power within specs and linked.
