Selecting_Connectors_White_Paper_[0901] - OPTICAL FIBER CONNECTOR TYPES AND TERMINATION TECHNOLOGIES Making the Right Choice for Your Installation Table

Selecting_Connectors_White_Paper_[0901] - OPTICAL FIBER...

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OPTICAL FIBER CONNECTOR TYPES AND TERMINATION TECHNOLOGIES Making the Right Choice for Your Installation
2 Table of Contents INTRODUCTION .............................................................................................................................................. 3 CONNECTOR TYPES ................................................................................................................................ 3 The ST-style Connector ................................................................................................................................................ 3 The SC Duplex Connector ............................................................................................................................................ 3 Small Form Factor Connectors ..................................................................................................................................... 3 The MT-RJ Connector .................................................................................................................................................. 3 The LC Connector ......................................................................................................................................................... 4 Choosing a Small Form Factor Connector ................................................................................................................... 4 The Standards ............................................................................................................................................................ 4 TIA-568C.3 .................................................................................................................................................................... 4 ISO 11801 ..................................................................................................................................................................... 5 TERMINATION TECHNOLOGY ........................................................................................................ 5 Installed Costs .............................................................................................................................................................. 5 CONNECTOR TERMINATION TECHNOLOGY CHOICES ..................................... 6 No-epoxy/no-polish connectors .................................................................................................................................... 6 AMP NETCONNECT LightCrimp Plus Connectors .................................................................................................. 6 AMP NETCONNECT MT-RJ Jacks .......................................................................................................................... 7 No-epoxy/polish connectors ......................................................................................................................................... 7 AMP NETCONNECT LightCrimp Connectors .............................................................................................................. 7 Epoxy/polish connectors ............................................................................................................................................... 7 AMP NETCONNECT Epoxy/Polish Connectors ........................................................................................................... 8 Pigtail Fusion Splicing ................................................................................................................................................... 8 OTHER FACTORS ......................................................................................................................................... 9 Electronics .................................................................................................................................................................... 9 Selecting Multiple Technologies ................................................................................................................................... 9 Selecting Multiple Types ............................................................................................................................................... 9 SUMMARY ............................................................................................................................................................. 9
3 INTRODUCTION Selecting the right connector for your needs can be complicated by the many choices available today. Choosing the best fiber optic connector for any installation will have an impact on how efficient and cost-effective the job is completed. To make matters even more complicated, the right answer may not be a single connector type or technology! This white paper will help alleviate the confusion by reviewing the basic considerations prior to deciding on the best connector for an installation considering the connector type, the standards and termination technology. There are a few other considerations that are also worth noting covered in this document. CONNECTOR TYPES In today’s local area networks (LANs), there are two primary legacy optical fiber connector types (the ST-style and the SC Duplex) and two primary small form factor (SFF) connectors (MT-RJ and LC). All four of these connector types have been in use for several years and have a proven track record for the performance and reliability desired for local area networks. However, there are some significant differences between these connector types. The ST-style Connector This connector type, sometimes referred to as the “BIFOC” connector, is a simplex fiber connector – that means one fiber in one ferrule – with one 2.5mm cylindrical ferrule. To get a duplex ST-style connection, four connectors and two adapters are required. The housing of the ST includes a push-and-twist, spring-loaded latching mechanism that is relatively large by today’s standards, particularly when consideration for “finger space” (the space around the connector that is needed to get fingers in to grip, push and twist the connector) is considered. This connector was one of the first high-performance, robust optical fiber connectors and, as such, was widely adopted in the telco market. This popularity spilled over into the LANs that incorporated optical fiber cabling and was widely used. To this day, it is still a very popular optical fiber connector.

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