Hirschmann OBR40-9-LC Hirschmann LC fiber bypass and supply review
Hirschmann OBR40-9-LC is a industrial optical bypass relay in the OBR40 optical bypass relay 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 | OBR40-9-LC |
| Family | OBR40 optical bypass relay |
| Product form | industrial optical bypass relay |
| Order number | 942088001 in manufacturer product data |
| Fiber | Single-mode 9/125 µm in manufacturer product data |
| Connectors | Four LC optical connections |
| Supply | 10–60 V DC in manufacturer product data |
| Function | Verify normal and power-loss bypass path in site topology |
| Selection rule | Verify the complete printed code and manufacturer record for the installed version |
Where this item fits
For OBR40-9-LC, start with the equipment already installed and the role it performs in the network or cabinet. Draw normal and fail-safe fiber paths so the bypass behavior is tested in the intended topology. The visible type name identifies the enquiry; the actual site wiring, accessories and software determine whether the offer fits.
Do not assume OBR40-9-LC can substitute for another member of the OBR40 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.
Specification and ordering checks
When requesting OBR40-9-LC, provide quantity, condition requirements, the complete printed code and any available order number. Check connector polarity, optical budget and the power-loss transition under an approved maintenance window. Ask the supplier to state what is included, especially modules, connectors, optics, licenses, mounting parts or power components where applicable.
A quotation for OBR40-9-LC 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.
Similar-looking model references
The following designations resemble OBR40-9-LC and are grouped here for search and enquiry convenience. They are not automatically interchangeable with OBR40-9-LC; confirm each complete code, function and interface before buying.
Installation and acceptance
Before servicing OBR40-9-LC, 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 OBR40-9-LC 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.
Interface and system context
When evaluating Hirschmann OBR40-9-LC, identify the connected host or neighboring equipment first. Single-mode 9/125 µm fiber; four LC connections; 10–60 V DC. Document cable or module positions, the cabinet layout, and the normal operating state. This turns OBR40-9-LC from a text-only enquiry into a configuration that can be checked against the manufacturer's information.
For OBR40-9-LC, 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 OBR40-9-LC is whether the installed function will be restored without changing the design intent. Draw normal and fail-safe fiber paths so the bypass behavior is tested in the intended topology. 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 OBR40-9-LC designation in writing. Check connector polarity, optical budget and the power-loss transition under an approved maintenance window. 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 OBR40-9-LC, 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 OBR40 variant.
