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RJ11 12 Position Harmonica with Female Telco Adapter

6P4C | 12 - RJ11 Jacks | Gold-Plated Contacts | 50 Pin Female Telco | Mounts to Wall or Panel
Quantity Discount Pricing
1-4 5-9 10-49 50-99 100+
$46.39 $43.99 $41.59 $38.99 $36.39

Quantity Available: 65

This adapter enables breaking out a 50 pin female telco cable. Each bar has one 50-pin female RJ21 connector as input and 6, 8 or 12 jacks as output. The shell features two holes for screw mounting to a wall or panel.


  • For voice/data applications
  • 50 pin female telco
  • 12 RJ11 jacks
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Q: What is the difference between an RJ11 and an RJ12 connector?

A: Both connectors are the same size and appear the same. However looking at the contacts an RJ11 will only have 4 contacts. An RJ12 will have 6 contacts.

Q: What are the terms 4P4C 6P4C and 6P6C referring to?


4P4C: 4 Position 4 Conductor ( RJ22) - used for Telephone Handset cables.

6P4C: 6 Position 4 Conductor (RJ11) - used for ADSL telephone and modem cables.

6P6C: 6 Position 6 Conductor (RJ12) - used in System phones.

Q: Which adapter or splitter should I use. Reverse or straight?

A: Newer phones can use a straight or reverse pinned line cord. If you’re unsure of the age of your phone a reverse pinned cord will work with any age phone