Customized 16/24 Fibers MMC Fiber Loopback Module
For Pakistani procurement and engineering teams, the specification provides a practical basis for checking compatibility before production is requested. The custom-built LPM-MMC loopback series covers 16-fiber and 24-fiber MMC modules in OM4 or OS2, with Type 1 or Type 2 layout. Every uses a female APC MMC interface, a 100mm nominal fiber loop and a 250mm nominal entire length. This configurable approach enables the test module to match the installed equipment’s actual lane allocation instead of forcing one standard loopback into each process.
Product Highlights
- Fiber Type: OS2/OM4
- Fiber Connector: MMC Female, APC
- Glass Fiber: G.657.A2
- Cable Jacket: Plenum (OFNP)
- Fiber Count: 16 Fibers/24 Fibers
- Fiber Mapping: Type 1/Type 2
Specifications
| Part Number | LPM-MMC |
|---|---|
| Manufacturer | HT |
| Fiber Type | OS2/OM4 |
| Fiber Connector | MMC Female, APC |
| Glass Fiber | G.657.A2 |
| Cable Jacket | Plenum (OFNP) |
| Fiber Count | 16 Fibers/24 Fibers |
| Fiber Mapping | Type 1/Type 2 |
| Insertion loss | ≤0.7dB |
| Return Loss | ≥60dB (16 Fibers)≥40dB (24 Fibers) |
| 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) |
Four choices that define the correct module
A beneficial order specifies layout, connector interface, fiber count and fiber mode jointly. Sixteen-fiber and 24-fiber ferrules organize lanes differently, whereas Type 1 and Type 2 change the return routes. OS2 and OM4 ought to be specified for the intended test context. The female APC connector remains non-pinned and requires the suitable pinned mate.
Performance varies with the selected fiber count
Insertion loss is 0.7dB maximum across the series. Return loss is specified at 60dB minimum for 16-fiber versions and 40dB minimum for 24-fiber versions. G.657.A2 glass and a 2.5mm OFNP jacket are used, with 50-cycle mating durability. Make certain of the final specifications on the specified setup’s documentation.
Building a traceable diagnostic toolkit
Bespoke modules ought to carry unambiguous identifiers showing mode, layout and fiber count, not just the MMC name. This prevents accidental cross-use between comparable-looking test patch cords. Examine the end face before every session, maintain the 7.5mm bend minimum and store each module capped. Loopback testing complements, rather than replaces, end-to-end link certification.
Ordering and Factory Support
Use LPM-MMC as the series reference and indicate 16 or 24 fibers, OM4 or OS2, and Type 1 or Type 2 layout. Specify number of units and identification needs; a port-allocation excerpt is the most reliable way to make certain of the requested loopback. For Pakistan, a clear port or maintenance schedule helps us confirm the correct factory-built configuration before supply.
