EZ80003333 Installation


The EZ80003333 is designed to split a single Cat-5/6 type cable into 4 separate circuits for use with 2-Wire Analog Telephones using the RJ45’s pins 4 & 5. Although it is labeled “ANALOG” on the face of the jacks, because it uses pins 4 & 5, this harness may also be used for any Key or PBX system telephone that uses pins 4 & 5 such as DIGITAL telephone from NEC, Avaya, Toshiba, Nortel, Comdial/Vodavi, etc.

Each EZ80003333 has 1 plug and 4 staggered jacks – with each cord being slightly longer than the other. The shortest cord is ANALOG circuit #1 and the longer cord is ANALOG circuit #4.

You will need 1 EZ80003333 wiring harness at each end.


Sometimes, a picture is worth a thousand words. We know this and so we have created a video for each of our cords. If you would like to see how the EZ80003333 is used, simple click here:



  1. In the Equipment Room, plug the 8-pin, RJ45 plug into the port of the Main Patch Panel that you want to split into separate circuits.
  2. Insert an Industry Standard, 8-pin patch cord of a length appropriate for your application into Jack #1 and then plug the other end of that patch cord into the Extension Port that uses pins 4 & 5 on the telephone system.
  3. Repeat Step-2 for circuit #2, 3 & 4 using additional ports on the telephone system.
  4. Locate the wall jack at the far end of the cable run that the EZ80003333 is plugged into. Plug another EZ80003333 into that wall outlet.
  5. Plug the first Telephone into Jack #1 (the shortest cord).
  6. Plug the second, third & forth Telephone into Jacks #2, 3 & 4 (4 is the longest cord).



If you followed the steps as outlined above, both devices will work unless:One or all of the phone system ports are bad or configured improperly on the phone system;

  • You are plugged into the wrong port of the Main Patch Panel;
  • You are plugged into the wrong RJ45 wall jack outlet;
  • One or all of the telephones are bad.

EZCORDS are passive devices, meaning that they have no electronics that could go bad.


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