The connectors used in optical fiber communications are as follows:

1. SMA (subminiature type-A) connectors

   • They are multimode connectors and available with stainless alloy or stainless steel ferrules

2. FC connectors

   • FC connectors are especially designed for telecommunication applications. It is designed with threaded coupling for durable connections.

   • They are available with zirconia or stainless alloy ferrules.

3. SC connectors

   • It is a zirconia ferrule.

   • Available in simplex and duplex styles, this connector features a push pull connection design for quick patching of cables into rack or wall mounts.

4. ST connectors

   • Available in single mode multi mode the ST connectors features reliable and durable field installation.

5. LC connectors

   • The LC connector licensed by Lucent Technologies provides a pull-proof design and small size perfect for high density applications.

   • Available in simplex or duplex version.

   • It is provided with zirconia ferrule.

6. MTP connectors

   • This connector provides quick and reliable connection for up to 12 fibers.

   • Available in single mode with typical loss of 0.25 dB and multi mode with a loss of 0.20 dB.

7. MU connectors

   • It is designed for high density connections.

   • This small single fiber connection has high levels of performance than the SC connectors.