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100G High-Density MTP Cabling in Institute of Biology

By FS Project Designer2019-07-12

MRC Laboratory of Molecular Biology

Industry: Health Care Technology

Location: United Kindom

Background

With its reliability and high performance, MTP/MPO technology has become a vital element in high-density data centres. To assure the data transmission in MTP/MPO systems, it is paramount to maintain the right polarity throughout. The MRC Laboratory of Molecular Biology, a research institute, wanted to link three rooms together using both MTP and LC cabling.

Challenge

The distance between Room A to Room B is 67 metres, and Room A to Room C 195 metres. Our client’s requirements included:
  •  

    Both LC and MTP cabling are required to link the 100G switches inside each room.

  •  

    OS2 MTP trunk was required to link three rooms and supposed to be terminated on both ends with 8 MTP-12 connectors.

The challenge was how to maintain the right polarity of the whole link with the aim of achieving successful interconnection and fulfill the connection of Room A to Room B and Room A to Room C in the meantime.

Solution

FS provides a solution based on the network environment and our client’s requirements.

MTP-12 to 6x LC Duplex, Type AF, 12 Fibres OS2 Single Mode FHD MTP Cassette

A$120.00

MTP-12 to 6x LC Duplex, Type A, 12 Fibres OS2 Single Mode FHD MTP Cassette

A$120.00

FHD - Fibre Adapter Panel - 12 MTP Key Up to Key Down Adapters

A$130.00

1U 96 Fibres Rack Mount FHD High Density Slide-out Fibre Enclosure Unloaded, Holds up to 4x FHD Cassettes or Panels

A$202.00

Customised 8-144 Fibres MTP-12 OS2 Single Mode Fibre Trunk Cable 3.0mm

A$94.00

Cisco QSFP-100G-CWDM4-S Compatible 100GBASE-CWDM4 QSFP28 1310nm 2km DOM Transceiver Module

A$581.00

Cisco QSFP-100G-PSM4-S Compatible 100GBASE-PSM4 QSFP28 1310nm 500m DOM Transceiver Module

A$494.00


  •  

    Inside the rack of each room, MTP cabling is installed to connect MTP up-to-down panels with the 100G PSM4 transceiver plugged into the switch and LC cabling is used to connect the MTP-LC cassette with CWDM4 transceiver.

  •  

    As for connectivity between Room A to B and Room A to C, Type A cassette and Type AF cassette are deployed on each side of the link to offer efficient utilization of rack space and simplify cable management. Then 24 fibres (2×MTP-12) Type A MTP trunk is chosen to connect the two cassettes to maintain proper polarity. Similarly, a 72 fibres (6×MTP-12) Type A MTP trunk is used for linking the MTP up-to-down panels. It answers the client’s need to terminate 96 fibres with 8 MTP-12 connectors.

Conclusion

To maintain the right polarity in MTP/MPO system is not easy. While FS successfully helps our client solve the polarity issues and build a highly scalable MTP cabling network. This solution makes the interconnection between three rooms possible in an easy and organized way.

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