WCF : Difference between ListenBacklog and MaxConnections on server side

Could anyone clearly explain the difference between ListenBacklog and MaxConnections on the server side ?
The description provided in the Microsoft documentation makes me think that they both control the number of pending connection requests.

---
#### Document Details

⚠ *Do not edit this section. It is required for docs.microsoft.com ➟ GitHub issue linking.*

* ID: 40cf6e46-8444-1cb4-2344-8a8121539c8c
* Version Independent ID: 8847dde4-a984-dc35-c4ce-5562e82e5d6e
* Content: [NetTcpBinding.MaxConnections Property (System.ServiceModel)](https://docs.microsoft.com/en-us/dotnet/api/system.servicemodel.nettcpbinding.maxconnections?redirectedfrom=MSDN&view=netframework-4.7.2#System_ServiceModel_NetTcpBinding_MaxConnections)
* Content Source: [xml/System.ServiceModel/NetTcpBinding.xml](https://github.com/dotnet/dotnet-api-docs/blob/master/xml/System.ServiceModel/NetTcpBinding.xml)
* Product: **dotnet-api**
* GitHub Login: @dotnet-bot
* Microsoft Alias: **dotnetcontent**