Product Core Brief
- Models: N895313512X / N95313012D (SUP-AL) / N895313000R
- Brand: ALSTOM
- Series: ALSTOM SUP-AL Supervision & Alarm Module Family
- Core Function: Supervision and alarm consolidation board used in ALSTOM rolling stock propulsion, auxiliary power, and control cabinets.
- Product Type: Supervision Module / Alarm Module / Rack-Mount Control Board
- Key Specs: 24 VDC nominal supply | Digital status inputs and alarm outputs | Backplane interface to ALSTOM controller | Rack-mounted Eurocard-style board | No standard Ethernet/IEC 61850
- Condition: New Original / New Surplus
Product Introduction
ALSTOM N895313512X / N95313012D (SUP-AL) / N895313000R is a supervision and alarm module used in ALSTOM control cabinets for rolling stock, traction, and auxiliary power systems. The SUP-AL board consolidates equipment status, fault indications, and alarm signals, then presents them to the host controller or cabinet monitoring logic.
The module is typically installed as a rack-mounted board in an ALSTOM cabinet slot, communicating through the backplane rather than through external Ethernet or fieldbus ports. It receives digital status signals from traction, auxiliary, cooling, door, brake, or protection circuits, and provides alarm outputs or status indications to support commissioning, troubleshooting, and maintenance.
Public spare listings describe this part as a supervision and alarm module for ALSTOM control cabinets, with 24 VDC nominal supply and backplane communication. Some third-party pages incorrectly describe it as a high-performance power supply module or as a general-purpose industrial controller with Ethernet and serial ports; those descriptions are inconsistent with the SUP-AL supervision board and should not be used as the sole basis for replacement. Always verify the installed nameplate, revision code, slot position, and cabinet drawing before procurement.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Full Model | ALSTOM N895313512X / N95313012D (SUP-AL) / N895313000R |
| Product Type | Supervision & Alarm Module |
| System Platform | ALSTOM rolling stock / traction / auxiliary control cabinets |
| Core Function | Status supervision, fault/alarm consolidation, controller interface |
| Supply Voltage | 24 VDC nominal; confirm from installed label |
| I/O Type | Digital status inputs and alarm outputs via rack backplane |
| Communication | Backplane interface to ALSTOM controller; service header where applicable |
| Installation | Rack-mounted Eurocard-style board; front insertion into designated slot |
Quality Control Process
- Visual and code check: Confirm N895313512X / N95313012D / N895313000R labeling, revision code, connectors, and front plate condition.
- Nameplate verification: Confirm SUP-AL function, supply voltage, cabinet type, and compatible ALSTOM platform.
- Backplane interface check: Inspect DIN 41612-style connectors, pin condition, and slot compatibility.
- Functional check: Verify power-up, status indication, alarm output behavior, and diagnostic indicators where test fixtures allow.
- Final packing: Record test results, apply asset labels, and ship with connector and PCB protection.
Replacement Pitfall Guide
❗ Confirm the exact revision code. N895313512X, N95313012D, and N895313000R may represent different revisions or build codes within the same SUP-AL family.
❗ Verify slot position and backplane type. The board must match the ALSTOM cabinet slot, connector type, and pinout to avoid rewiring.
❗ Do not treat it as a power supply module. Some listings describe it as a power supply, but its primary role is supervision and alarm consolidation.
❗ Do not assume Ethernet/serial communication. SUP-AL typically communicates through the cabinet backplane, not through external network ports.
Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
| Original Model | Replacement / Successor Model | Compatibility Level | Migration Notes |
|---|---|---|---|
| ALSTOM / (SUP-AL) / | Same SUP-AL board | Direct | Like-for-like when revision, connectors, slot, and cabinet match. |
| ALSTOM | SUP-AL | Needs Adaptation | Confirm revision, firmware, backplane pinout, and alarm mapping. |
| ALSTOM | Needs Adaptation | Same family but different build code; verify cabinet compatibility. | |
| ALSTOM SUP-AL board | Modern ALSTOM supervision module | Needs Adaptation | Requires cabinet drawing, backplane type, I/O mapping, and software review. |
- Typical use: ALSTOM metro, EMU, and rolling stock propulsion cabinets; auxiliary power racks; traction control cabinets; depot test benches; and legacy system lifecycle support.
- Key verification points: N895313512X / N95313012D / N895313000R part number, SUP-AL function label, revision code, 24 VDC supply, backplane connector type, and installed cabinet model.
