Hirschmann ACA31 Hirschmann SD-card adapter compatibility and data-handling guide
Hirschmann ACA31 is a auto-configuration SD-card adapter in the ACA31 auto-configuration adapter range. The complete designation matters for purchasing and receiving. The shared Hirschmann collage is a reference image showing product families, not an exact photograph of this configured unit.
Key technical data
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | ACA31 |
| Family | ACA31 auto-configuration adapter |
| Product form | auto-configuration SD-card adapter |
| Adapter type | SD-card media for configuration backup and transfer |
| Storage | 512 MB in manufacturer product data |
| Order number | 942074001 |
| Host | Use only with compatible managed Hirschmann device |
| Data handling | Record configuration owner and software compatibility |
| Selection rule | Verify the complete printed code and manufacturer record for the installed version |
Specification and ordering checks
When requesting ACA31, provide quantity, condition requirements, the complete printed code and any available order number. Secure the saved configuration and record the asset it belongs to; an unknown adapter may load unsuitable settings. Ask the supplier to state what is included, especially modules, connectors, optics, licenses, mounting parts or power components where applicable.
A quotation for ACA31 should separately identify the manufacturer's stated specification and any seller-proposed substitution. Check physical fit, electrical supply and connected media before approving that substitution. If the source code has an option placeholder, confirm the actual production revision on the device label.
Where this item fits
For ACA31, start with the equipment already installed and the role it performs in the network or cabinet. Check host compatibility and software version before inserting the card into a live managed device. The visible type name identifies the enquiry; the actual site wiring, accessories and software determine whether the offer fits.
Do not assume ACA31 can substitute for another member of the ACA31 family. Similar model strings can represent different interfaces, environmental options, power inputs or software packages. Preserve the installed label photograph and the manufacturer's record with the purchase request.
Installation and acceptance
Before servicing ACA31, record existing wiring, port assignments, operating status and configuration where applicable. Use the manufacturer's installation procedure and the site's authorized maintenance window. Record the pre-change state so the equipment can be restored if the replacement does not pass acceptance.
After ACA31 is installed, check the relevant power, link, alarm and application behavior against the original baseline. File the serial number, final code, test result and any approved deviation together. Successful power-up alone does not prove functional equivalence.
Similar-looking model references
The following designations resemble ACA31 and are grouped here for search and enquiry convenience. They are not automatically interchangeable with ACA31; confirm each complete code, function and interface before buying.
Interface and system context
When evaluating Hirschmann ACA31, identify the connected host or neighboring equipment first. SD-card configuration adapter; 512 MB; item 942074001. Document cable or module positions, the cabinet layout, and the normal operating state. This turns ACA31 from a text-only enquiry into a configuration that can be checked against the manufacturer's information.
For ACA31, note which components are included in the offered assembly. A switch base, optical module, wireless radio, connector, power unit or fan cannot be evaluated from its family name alone. Compare the actual interfaces and accessories with the site bill of materials before approving an alternative.
Replacement decision
The key replacement question for ACA31 is whether the installed function will be restored without changing the design intent. Check host compatibility and software version before inserting the card into a live managed device. Keep photographs of the full label, any revision marking and the current network or wiring diagram in the service record.
Ask the supplier to confirm the exact ACA31 designation in writing. Secure the saved configuration and record the asset it belongs to; an unknown adapter may load unsuitable settings. If a related-looking code is proposed, compare it as a separate variant and record the reason it is acceptable. After receipt, inspect physical condition and test the item in the intended host or network under the approved procedure.
Buyer handover
For ACA31, retain the written offer, manufacturer identification and received-item inspection. Clarify availability, warranty or return terms and whether the item is new, refurbished or a tested spare. A complete handover reduces the risk of ordering a similar-looking but unsuitable ACA31 variant.
