
Projects in the Philippines benefit from keeping the configuration, branch identification and installation requirement consistent across every participating site. This 16-fiber OM4 MMC loopback combines a female APC connector with Type 1 mapping for multimode optical port diagnostics. It loops transmit optical routes back to the receive side without requiring a remote device. G.657.A2 glass, a 100mm internal loop and a 250mm overall item give a compact tool for production, commissioning and fault-isolation work.
| Part Number | LPM-OM4-16MMC |
|---|---|
| Manufacturer | HT |
| Fiber Type | OM4 50/125μm |
| Fiber Connector | MMC Female, APC |
| Glass Fiber | G.657.A2 |
| Cable Jacket | Plenum (OFNP) |
| Fiber Count | 16 Fibers |
| Fiber Mapping | Type 1 |
| Insertion loss | ≤0.7dB |
| Return Loss | ≥60dB |
| Cable Outside Diameter (OD) | 2.5mm |
| Mating Durability | 50 cycles |
| Loop Length | 100mm (+0/-25mm) |
| Overall Length | 250mm (+50/-0mm) |
| Min. Bend Radius (Optical Fiber) | 7.5mm |
| Min. Bend Radius (Fiber Cable) | 20/10D (Dynamic/Static) |
| Operation temperature | 0 to 60°C (32 to 140°F) |
| Storage Temperature | -20 to 75°C (-4 to 167°F) |
Use this loopback where the test setup explicitly calls for 16-fiber OM4 and Type 1 mapping. The MMC female APC interface must mate with the right pinned APC port. Although OM4 and OS2 versions may share a connector product line, their fiber characteristics differ; as a result, the optical module should ideally be labeled and stored distinctly in the test kit.
The passive loop introduces up to 0.7dB insertion loss and has at least 60dB return loss. Inspect whether that attenuation is appropriate for the transmitter and receiver under test. A successful loop may support port-operation checks and burn-in; a failed loop still requires systematic investigation of the optical module, connector cleanliness, mapping and active electronics.
The factory-built assembly is rated for 50 mating cycles and has a 2.5mm OFNP cable with a 7.5mm minimum optical-fiber bend radius. Take care not to use the short loop as a pull handle. Clean and review the ferrule before insertion, cap it after testing and keep the 100mm loop free from sharp edges or tightly weighted cable bundles.
List LPM-OM4-16MMC for the 16-fiber OM4 Type 1 configuration, with unit count and applicable test-kit tags. State the hardware test mapping if there is any uncertainty; as a result, an alternative Type 2 custom module may readily be discussed instead. Customers in the Philippines can include multi-site labeling or documentation requirements when requesting a project quotation.