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The MTP MPO connector family has evolved to support a wider range of applications and system packaging requirements. The MTP 12 / MPO 12 connector is originally a single row 12-fiber connector, there are now 8 and 16 single row fiber types that can be stacked together to form 24, 36 and 48 fibers connectors using multiple precision ferrules. However, the wider row and stacked ferrules have had insertion loss and reflection issues due to the difficulty of holding alignment tolerances on the outer fibers versus the center fibers.
Note: The MPO connector is available in Male (with pin) and Female (without pin).
| Type | Single Mode (APC Polish) | Single Mode (UPC Polish) | Multi Mode (PC Polish) | |||
| Fiber Count | 8, 12, 16, 24, 32, 48 etc. | 8, 12, 16, 24, 32, 48 etc. | 8, 12, 16, 24, 32, 48 etc. | |||
| Fiber Type | G652D, G657A1 etc. | G652D, G657A1 etc. | OM1, OM2, OM3, OM4, OM5, etc. | |||
| Max. Insertion Loss | Elite (Low Loss) | Standard | Elite (Low Loss) | Standard | Elite (Low Loss) | Standard |
| Loss Value | ≤ 0.35 dB | ≤ 0.75 dB | ≤ 0.35 dB | ≤ 0.75 dB | ≤ 0.35 dB | ≤ 0.60 dB |
| Return Loss | ≥ 60 dB | ≥ 60 dB | NA | |||
| Durability | ≥ 500 times | ≥ 500 times | ≥ 500 times | |||
| Operating Temp | -40°C ~ +80°C | -40°C ~ +80°C | -40°C ~ +80°C | |||
| Test Wavelength | 1310nm | 1310nm | 1310nm | |||
| Insert-pull test | 1000 times < 0.5 dB | |||||
| Interchange | < 0.5 dB | |||||
| Anti-tensile force | 15kgf | |||||
Single Mode fiber optic cable has a small diametral core that allows only one mode of light to propagate. Because of this, the number of light reflections created as the light passes through the core decreases, lowering attenuation and creating the ability for the signal to travel further. This application is typically used in long distance, higher bandwidth runs by Telcos, CATV companies, and Colleges and Universities.
The MTP MPO trunk cable uses fiber optic cable with 12 fibers in one cable with a diameter of 3.0mm. These cables are normally made with G657A1 fiber to ensure transfer quality. Trunk cables are available with 8, 12, 16, 24, 32, or 48 fibers in one connector. To save space and labor costs, multi-connector configurations are also used (e.g., 24 cores cable with 3 units of MTP 8 / MPO 8 connectors on each side).
