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Nippon Labs AD-C501-2MF Adaptor - OEM

  • T-adapters for Cat5e (ethernet) applications are great cost saving devices.
  • It takes an ethernet cable from the wall plate or patch panel to the female port of the T-adapter and the two male ethernet
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Learn more about the Nippon Labs AD-C501-2MF


Nippon Labs
Cat 5e T-Adaptor

Physical Characteristics

Cable Length
Connector Style
A - Two RJ45 Male
B - One RJ45 Female
6" X 0.5" X 0.8"
0.04 lbs.


T-adapters for Cat5e (ethernet) applications are great cost saving devices.

It takes an ethernet cable from the wall plate or patch panel to the female port of the T-adapter and the two male ethernet cables attached to the T-adapter connect to the Router/Hub/Switch.

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Nippon Labs AD-C501-2MF

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  • Theodore G.
  • 1/2/2014 9:12:43 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks - even with PoE!

Pros: I used product for adding a VoIP phone system to a customer site where adding additional Cat5 Jacks would have been cost prohibitive. I used one at each end of a single Cat5 Jack to split the PC Jack into 2 connections for the PC and phone which are on physically separate networks. At first I thought that I would have to buy Injectors or A/C Adapters for the phones, but the splitters passed the PoE power from the switch to the phone on leg 2. I'm still baffled by that - but it saved time and money, so I'm not complaining!.

Cons: The only Con I have is that the leads are short. If you want to use this for separate networks, The switches have to be stacked close together in order to be able to connect both legs, or you have to use a coupler to extend one leg. On the Client side, you have to use at least one coupler, or possibly put it behind the wall plate and use two pass-through style Cat5 inserts.

Other Thoughts: The fact that this passes PoE leads me to believe that there may be a common signal ground between the legs. I have not tested, but it would be a good idea to check this for yourself if you are using one leg on each of two physical switches. If my suspicion is correct, this might lead to some signal problems.

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