Description
- Brand: ALSTOM
- Full Model Number: 12004-102-01 VPS BOARD VER.C
- Lifecycle Status: Legacy field-installed component
- Core Function: VPS board within ALSTOM interlocking computer architecture
- Top 3 Technical Specs: 12004-102-01 part number; Ver.C hardware revision; iLOCK-IPS / iLOCK-II system family
- Stock & Condition: Physical stock allocation required; condition documented by unit
Supply Chain & Technical Deep Dive
A failed board in a legacy interlocking platform can stop an otherwise serviceable system from returning to operation. ALSTOM 12004-102-01 is identified as a VPS hardware component in documented iLOCK-IPS configurations, alongside VLE, DVCOM, IOBUS2, IOBE2, VIIB16, and related boards. It is also listed in documented iLOCK-II configurations. For maintenance teams, matching the complete part number and hardware revision matters more than selecting a visually similar ALSTOM board. The supplied designation specifically calls for Ver.C.
The main TCO benefit comes from preserving an existing installed architecture rather than replacing an entire legacy control platform. Public certification documentation confirms the 12004-102-01 family within the iLOCK architecture, but it does not establish dependable values for supply voltage, current consumption, memory capacity, connector pinout, dimensions, or firmware dependencies for the Ver.C board. Those values should therefore be taken from the installed equipment documentation or the board nameplate before final engineering approval. Several commercial listings publish conflicting electrical specifications, so those figures should not be treated as OEM-approved data.
Migration, Compatibility & Field Traps
Replacement Matrix
| Replacement Type | Assessment | Engineering Requirement |
|---|---|---|
| Drop-in Replacement | Yes, for an exact matching 12004-102-01 Ver.C assembly | Confirm part number, hardware revision, connector arrangement, and installed system configuration |
| Software Compatible | System-dependent | Verify the host iLOCK software and approved configuration before commissioning |
| Hardware Modification | Not required for an exact same-part replacement | Any alternate board or revision requires documented engineering equivalence |
Field Traps: Watch Out
Revision mismatch: The documented VPS family includes 12004-102-01, 12004-102-02, and 12004-102-03. These should not be treated as interchangeable solely because they share the same base family. The certification record identifies them as separate VPS variants.
System configuration mismatch: The VPS board forms part of a larger interlocking computer architecture. Related boards include VLE, DVCOM, IOBUS2, IOBE2, and VIIB16. A replacement should therefore be checked against the actual rack or system BOM rather than installed as an isolated spare.
ESD handling: Use an approved ESD workstation, wrist strap, and conductive packaging. Keep edge connectors protected until installation.
ALSTOM 12004-102-01
Quality Assurance & Testing SOP
The pre-shipment process should be controlled as an individual-unit inspection rather than a visual stock check alone.
OEM identification inspection
Verify the ALSTOM marking, complete 12004-102-01 part number, Ver.C designation, serial information where present, and label condition. Photograph the identification label for the shipment record.
OEM anti-counterfeit visual inspection
Compare PCB markings, component population, board layout, connector geometry, labels, screws, and manufacturing details against known reference samples. Check for unauthorized component replacement or board-level rework.
PCB condition inspection
Inspect for oxidation, contamination, cracked solder joints, damaged edge contacts, bent connector pins, burned components, missing hardware, and mechanical stress.
Power-on self-test
Where the correct test fixture and approved system environment are available, power the board under controlled conditions. Record POST behavior and applicable diagnostic indicators, including ERR/RUN LED status or the equivalent system diagnostic state.
System interface testing
Where the matching ALSTOM test environment is available, verify board recognition, expected system status, and applicable communication or inter-board functions. Do not substitute generic PLC testing for system-specific validation.
I/O and functional load testing
Where the board has measurable field interfaces, apply controlled test signals and loads according to the applicable system procedure. Record pass/fail results for each tested function.
Final traceability control
Record part number, revision, serial information where available, photographs, test results, packaging condition, inspector, and shipment date. Units that fail identification or functional checks should be quarantined rather than mixed back into saleable inventory.
Procurement-Driven FAQ
Is ALSTOM 12004-102-01 Ver.C genuinely available, and what is the cutoff for overnight shipping?
Availability should be confirmed against the physical warehouse unit before purchase release. There is no universal overnight cutoff because carrier collection times vary by destination and shipping lane. The confirmed dispatch deadline should be stated with the quotation or order acknowledgment.
How do you verify the condition of a legacy or surplus 12004-102-01?
The unit should undergo identification, PCB, connector, and label inspection before shipment. New surplus inventory should be checked for storage damage and evidence of previous repair. Test results and identification photographs should remain tied to the individual shipment record.
What warranty terms apply to a defective unit?
Warranty coverage should be defined on the commercial quotation before purchase. A defect claim should include the part number, revision, serial information where available, installation condition, and failure symptoms. This allows the returned unit to be compared with the outbound inspection record.
Are there firmware compatibility issues engineers should check?
Yes. The board is part of a system-level interlocking architecture, and compatibility should be evaluated against the installed iLOCK configuration rather than the board number alone. Public certification records identify different iLOCK software and hardware configurations, so the customer’s approved system documentation should control the replacement decision.
Can 12004-102-02 or 12004-102-03 replace 12004-102-01 Ver.C?
Do not assume equivalence. Official certification records list 12004-102-01, 12004-102-02, and 12004-102-03 as separate VPS hardware designations. An alternate revision should be accepted only when the applicable ALSTOM system documentation or engineering approval establishes equivalence.
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