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Add LC/UPC and LC/PC port types #6140

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opened 2025-12-29 19:37:15 +01:00 by adam · 4 comments
adam commented 2025-12-29 19:37:15 +01:00
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Originally created by @joazif on GitHub (Feb 24, 2022).

Originally assigned to: @jeremystretch on GitHub.

NetBox version

v3.1.6

Feature type

Change to existing functionality

Proposed functionality

Add LC/UPC and LC/PC port types

Use case

specification of LC connectors

Database changes

No response

External dependencies

No response

Originally created by @joazif on GitHub (Feb 24, 2022). Originally assigned to: @jeremystretch on GitHub. ### NetBox version v3.1.6 ### Feature type Change to existing functionality ### Proposed functionality Add LC/UPC and LC/PC port types ### Use case specification of LC connectors ### Database changes _No response_ ### External dependencies _No response_
adam added the status: acceptedtype: feature labels 2025-12-29 19:37:15 +01:00
adam closed this issue 2025-12-29 19:37:15 +01:00
adam commented 2025-12-29 19:37:15 +01:00
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@emersonfelipesp commented on GitHub (Feb 25, 2022):

Fiber port types used mainly in FTTx topology (Fiber to the end-user customer)

Devices like OLT (Optical Line Terminal) and ONT (Optical Network Termination) use these types of ports.

Port types

I think it would be great to have the following Fiber port types:

  • LC/UPC
  • LC/APC
  • SC/UPC
  • SC/APC

Connector types and Fiber endface

Where LC (Lucent Connector) and SC (Standard Connector) are different connectors.
lc-sc

Fiber endface

While UPC (Ultra Physical Contact) and APC (Angled Physical Contact) defines the fiber endface.
image

@emersonfelipesp commented on GitHub (Feb 25, 2022): ## Fiber port types used mainly in FTTx topology (Fiber to the end-user customer) Devices like **OLT (Optical Line Terminal)** and **ONT (Optical Network Termination)** use these types of ports. ### Port types I think it would be great to have the following Fiber port types: - LC/UPC - LC/APC - SC/UPC - SC/APC --- ### Connector types and Fiber endface Where **LC (Lucent Connector)** and **SC (Standard Connector)** are different connectors. ![lc-sc](https://user-images.githubusercontent.com/24397251/155722020-7e309608-b5e7-4977-a53e-bab5b47426f4.png) --- ### Fiber endface While **UPC (Ultra Physical Contact)** and **APC (Angled Physical Contact)** defines the fiber endface. ![image](https://user-images.githubusercontent.com/24397251/155718294-a7969066-52ba-464e-93fd-3d1a1633579b.png)
adam commented 2025-12-29 19:37:15 +01:00
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@cpmills1975 commented on GitHub (Feb 28, 2022):

Can these be in addition to rather than a replacement for LC and SC? I'm working with a team of who barely know what an LC connector is let alone could differentiate between UPC and APC (I'll be honest, they are new terms to me too!)

@cpmills1975 commented on GitHub (Feb 28, 2022): Can these be in addition to rather than a replacement for LC and SC? I'm working with a team of who barely know what an LC connector is let alone could differentiate between UPC and APC (I'll be honest, they are new terms to me too!)
adam commented 2025-12-29 19:37:16 +01:00
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@joazif commented on GitHub (Mar 1, 2022):

Definitely additions to LC and SC.

It'll be in the netbox then:

  • LC

  • LC/UPC

  • LC/APC

  • LC/PC

  • SC

  • SC/UPC

  • SC/APC

  • SC/PC

@joazif commented on GitHub (Mar 1, 2022): Definitely additions to LC and SC. It'll be in the netbox then: - LC - LC/UPC - LC/APC - LC/PC - SC - SC/UPC - SC/APC - SC/PC
adam commented 2025-12-29 19:37:16 +01:00
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@jeremystretch commented on GitHub (Mar 1, 2022):

This link seems to explain the four polish types well: https://www.fiber-optic-tutorial.com/introduction-of-pc-upc-and-apc-connector.html. I'm going to add the PC and UPC types per @joazif's list above; the flat/default and APC types are already defined. I'll add these for the LSH termination type as well.

@jeremystretch commented on GitHub (Mar 1, 2022): This link seems to explain the four polish types well: https://www.fiber-optic-tutorial.com/introduction-of-pc-upc-and-apc-connector.html. I'm going to add the PC and UPC types per @joazif's list above; the flat/default and APC types are already defined. I'll add these for the LSH termination type as well.
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