12/1/2023 0 Comments Fiber connector types mpoSpecific fiber can be specified based on the position of the key. Ability to reference the exact Fiber/Strand that has to be inspected or spliced.Correct orientation to insert MPO cable into a socket.Position of the key have two important roles and ensures: An example can be seen in the image below: Connector Key can be in UP or DOWN position. MPO and MTP connectors commonly have two ways of keying. Next on the list, keying – a mechanical feature of a connector that guarantees a correct orientation of said connector. Examples of 100G SR4 on the left and 200G/400G SR8 on the right can be seen below: To reiterate, a Female connector is always connected to a Male connector.įor Data Center Connections using 100G SR4 and 400G SR8 connecting MPO cable must be FEMALE due to QSFP28 and QSFP-DD modules having a built-in male connector/socket with guide pins. To ensure a good and a firm connection, one side must be with Guide Pins and the other without them!įemale connectors are WITHOUT Guide Pins.Įxample of a MALE and and a FEMALE MPO cable connector can be seen in the image below: This helps with faster navigation and helps to know which MTP MPO cable connector/head to use. It is common in electrical and electronics to refer to a connector by gender. MPO cable connector must be a Female to connect to a transceiver that has Male connector. This is the most important paragraph for MPO – Transceiver connections and it must be remembered. Keying, position of the key, is Key Up.ġ00G SR4 with QSFP28 form-factor has:,/p>.8 fibers/strands and utilizes an MPO-12 design.Fiber-Polarity – Type A, Type B, Type C or Custom.Keying, position of the key – Key Up or Key Down.However, demand and use for MPO will grow as more and more data lanes are required to keep up with 400G Ethernet demands.ġ00G SR4 in a QSFP28 form-factor MPO connector and a suitable MPO cable connector can be seen in the image below:įrom the image it can be seen that there are several important points for choosing the correct MPO cable. MPO ( Multi-Fiber Push On) connectors are semi-recent and widely used. There are many different types, for example, LC, SC, MT-RJ to name a few. Nevertheless, many MPO has implemented similar mechanical support and provide breaking resistance from extensive bending force, but does not guarantee a removable housing.īest place to start is the connector as it is an easy way to distinguish the cable. Secondly, it has a more advanced mechanical support system to ensure that cable is not easily broken inside the connector housing. Firstly, MTP connector has a removable housing that allows to polish, re-work and change connector heads. Nowadays, MTP MPO Cables are used interchangeably. Trunk Cable schematic/structure images and pinouts.Fiber-Polarity – Type A, Type B, Type C.MTP MPO Cable Number of fiber strands (12, 16, 24, 32, 48…).This enables easier and quicker project creation, ordering and installation process, reducing costs and improving efficiency. This support article is aimed to provide the basic know-how to understand- MPO-8, MPO-12 or MPO-16 – Key A or Key B – Type A or Type B – Trunk and Breakout cables. However, when it comes to MTP MPO cables, it is not as easy and requires the basic knowledge regarding main features and use cases. Additionally, LC to LC Simplex and Duplex connections are common and they are easy to connect. Number of connections utilizing MPO cable structure will increase in the coming years to ensure 5G New Radio Metro Transport Network. MTP MPO cables are enabling the World of Today by enabling multi-lane densely packed inter and intra connections between Data Storage and Distribution Points.
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