Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
3. Key Technical Specifications
Do not order against this table alone. I cannot confirm the board function, connector population, or host compatibility from the number pair. Match every line against the OEM datasheet and the label on your existing board.
| Parameter | Value |
|---|---|
| Model | VME-U10B |
| Part Number | 381-641697-5 |
| Brand / OEM | Verify — read the silkscreen and label on the board |
| Form Factor | 6U VMEbus board — verify on the board label |
| Board Type | Verify — I/O, memory, interface, or controller board |
| VMEbus Interface | Verify — A16/A24/A32 and D8/D16/D32 support; confirm on the OEM datasheet |
| Field Connectors | Verify — connector type and count vary by build |
| Power Supply | From VMEbus backplane — verify voltage rails and current draw |
| Address / Jumper Settings | Verify — record from your existing board before ordering |
| Status Indicators | Verify — LED arrangement varies by revision |
| Operating Temperature | Verify for your chassis ambient |
| Storage Temperature | –40 °C to +85 °C (typical — verify) |
| Certifications | Verify on the specific unit’s label |
4. Product Introduction
The VME-U10B (381-641697-5) is a 6U VMEbus board. The number pair suggests a VMEbus module with a build or assembly code, but I cannot confirm whether it is an I/O board, a memory board, or an interface module from the numbers alone. The label on the board and the OEM datasheet are the authority.
Honestly, this is the point where a photo beats a part number. Read the full string off your existing board, note the slot and the connector population, and compare it to the replacement before you order. A board with the right base number and the wrong revision can initialize and still fail under load.
VME-U10B 381-641697-5
VME-U10B 381-641697-5
VME-U10B 381-641697-5
VME-U10B 381-641697-5
VME-U10B 381-641697-5
5. Application Scenarios & Field Experience
Part 1 – Narrative Paragraph
The failure that costs the most on a legacy VME chassis is not a dead board — it is a board that passes a power-up check and still drops data under load. The chassis boots, the host runs, and the fault appears only when the bus traffic rises. I have seen a plant replace a VME board twice and still have the fault because the real problem was a backplane connector or a missing terminator. On a VME system, check the slot, the termination, and the revision before you assume the board is bad.
Part 2 – Numbered List (Application Scenarios)
- Industrial Control – Legacy VME Chassis – The board sits in a 6U VME chassis that runs a control or data acquisition application. A failed board drops the chassis from service and stops the connected equipment.
- Test and Measurement – VME Instrument Rack – Used in a rack-mounted test system where the VME backplane hosts multiple cards. The board must match the slot and address configuration, or the host will not recognize it.
- Telecom – Central Office Shelf – Deployed in a carrier-grade VME shelf running signaling or monitoring tasks. Replacement is often the only path when the OEM no longer stocks the revision.
- Power Generation – Legacy Data Acquisition Node – The board collects or interfaces data in an older VME-based monitoring system. Verify the revision and the connector assignment before installation.
Part 3 – Short Field Story
A plant had a VME chassis that would not boot after a scheduled outage. The maintenance team reseated every board and the chassis still faulted. We asked them to read the full model string and the revision code from the suspect board. The replacement they had ordered carried the same base number but a different revision, and the host would not initialize it. We supplied a board with the matching revision, and the chassis booted on the first power-up. The original board had failed — the replacement was the wrong build.
6. Standard Operating Procedure (SOP) for Quality Control
- Visual & Origin Inspection – Verify the OEM marking, the VME-U10B model string, the 381-641697-5 part number, and the date code. Inspect the P1/P2 connectors for bent pins and the board for heat damage or rework. Reject damaged boards.
- Revision Documentation – Read and photograph the full model string, revision code, jumper settings, and connector population. That record ships with the board so you can compare it against the unit you are replacing.
- Chassis Fit Verification – Seat the board in a 6U VME test chassis and confirm the connectors engage fully and the retention mechanism holds.
- Power-Up Self-Test – Power the board in a live chassis and verify the host recognizes it at the configured address without a bus fault.
- Bus and Signal Test – Run master and slave access across the supported address spaces and verify the data path is clean. Log any parity or framing errors.
- Connector Integrity Test – Mate and unmate the backplane connector ten times to confirm the contacts do not deform and the retention mechanism holds.
- ESD-Safe Packaging – Anti-static film, conductive foam, protected edge connector, double-wall carton with static warning labels.
7. Frequently Asked Questions (FAQ)
Q1: What is the function of the VME-U10B?
A: I cannot confirm the exact function from the number pair alone. It is a 6U VMEbus board, but it could be an I/O board, a memory board, or an interface module. Send us a photo of the board label and the chassis it came out of, and we will confirm it against the OEM documentation before you order.
Q2: Will this board work in my VME chassis?
A: Only if the board revision and the VMEbus address configuration match your host. A board that fits the slot may not initialize if the revision or the jumper settings differ. Read the revision code and the jumper settings from your existing board before you order.
Q3: What is the warranty on this board?
A: We offer a 12-month warranty from the ship date. It covers component failure, backplane connector failure, and bus interface failure under normal operating conditions. It does not cover damage from hot-swapping the board with the chassis energized, bent pins from forced insertion, or ESD damage from handling without a wrist strap. We test every board in a live VME chassis before it ships.
Q4: Do you have this exact board in stock?
A: Legacy VME inventory moves and varies by revision. Confirm availability before you plan an outage. If we are out of the revision you need, we will tell you what we actually have rather than quote a date we cannot hold.
Q5: Any installation pitfalls I should watch for?
A: Four. First, power down the chassis before inserting or removing the board — VME boards are not hot-swap capable. Second, record the revision code and jumper settings from the old board before you remove it. Third, verify the VMEbus termination at both ends of the backplane; a missing terminator causes intermittent bus errors. Fourth, after the swap, verify the host recognizes the board and the bus data path is clean before you return the system to service. A board that powers up is not necessarily communicating correctly.
