The Fiber Optic MTP MPO (Multi-fiber Push On) Connector is a type of optical connector that has been the primary multiple fiber connector for high-speed telecom and data communications networks. It has been standardized within the IEC 61754-7 and TIA 604-5.
This fiber optic MTP MPO connector and cabling system first supported telecommunications systems especially in the Central and Branch offices. Later it became the primary connectivity used in HPC or high-performance computing labs and enterprise data centers.
Fiber optic MTP MPO connectors increase your data capacity with a highly efficient use of space. But users have faced challenges such as extra complexities and time required for testing and troubleshooting multi-fiber networks.
While fiber optic MTP MPO connectors have many benefits and advantages over typical single fiber connectors, there are also differences that introduce new challenges for technicians. This resource page provides an overview of the essential information technicians must understand when testing MTP MPO connectors.
The fiber optic MTP MPO connector family has evolved to support a wider range of applications and system packaging requirements. 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 fiber 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. The MTP MPO connector is available in Male and Female.
Splits a single MTP MPO connection into multiple LC connections, allowing a single trunk line to serve several devices.
Enables high-density connections for devices like 40G and 100G network equipment.
Connects high-speed devices and backbone infrastructure without needing additional equipment.
Reduces cost and setup time in complex, high-density environments by eliminating the need for additional patch panels or hardware over short distances.
| Type | Single Mode (APC Polish) | Single Mode (UPC Polish) | Multi Mode (PC Polish) | |||
|---|---|---|---|---|---|---|
| Fiber Count | 8, 12, 24 etc. | 8, 12, 24 etc. | 8, 12, 24 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 Temperature | -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 | |||||
A typical single-mode optical fiber has a core diameter 9/125 μm. There are a number of special types of single-mode optical fiber which have been chemically or physically altered to give special properties, such as dispersion-shifted fiber and nonzero dispersion-shifted fiber.
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.
Single mode fiber include: G652D, G655, G657A, G657B.
An MTP/MPO (Multi-fiber Push On) connector is a specialized optical connector designed for high-density, high-speed telecommunication and data networks. It aggregates multiple fibers into a single interface and is standardized under IEC 61754-7 and TIA 604-5.
The breakout design splits a high-density single MTP/MPO connection into multiple separate LC connections. This enables a single trunk line to serve multiple devices without needing extra high-density patch panels over short distances, reducing setup costs and complexity.
MTP/MPO connectors commonly support fiber counts such as 8, 12, or 24 fibers. They are available in Single Mode (using G652D, G657A1, etc. with APC or UPC polishing) and Multi Mode (using OM1, OM2, OM3, OM4, OM5, etc. with PC polishing).
Single-mode fiber has a very narrow core (typically 9/125 μm) that allows only one mode of light to propagate. This minimizes internal light reflections, which reduces signal attenuation and allows data to travel much further at higher bandwidths.
While they optimize space and increase capacity, MTP/MPO systems introduce testing and troubleshooting complexities. Stacked and wider fiber rows can also face challenges in alignment tolerances, which sometimes lead to higher insertion loss and reflection issues on outer fibers compared to center fibers.
They are primarily deployed in high-density environments including modern enterprise data centers, high-performance computing (HPC) labs, telecommunication networks (LAN/WAN/metro), 40G/100G Ethernet systems, and FTTx (FTTH/FTTP) installations.