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Telephone & Network Connectors & Adaptors

This page shows connectors and adaptors needed to wire a home for telephone, computer network, infrared, and control systems.

For more information on telephone wiring, see our tutorial on wiring residential telecommunications.

For specifics about wire color coding, jack pinouts, and general do's and don'ts about telephone and network wiring, see our wiring standards document.


Modular Plugs
Modular Plugs for Stranded Wire
Modular Plugs for Solid Wire


Modular Adaptors & Couplers
Modular Phone (4 Cond) Adaptors
Modular Data (8 Cond) Adaptors
Category 5 Modular Couplers
Category 5e Splice Box
Junction Box


Modular Breakout Devices
Line 12 to 1 & 2 Splitter
Line 1234 to 12 & 34 Splitter
Line 1234 to 13 & 24 Splitter
Line 1234 to 12, 21, 34, & 43 Splitter


Miscellaneous
DB9 to Modular Jack Adaptors
Super-Bee Crimp Connectors
UY & UR Telco Splices
Radio Interference Filter


Related Links
Combination Cable
Twisted Pair Wiring Tools & Test Equipment

Cable
QuickLink
PatchBulkConnectors
Adaptors
Tools
Audio
Click!
Click!
Click!
Video/RF
Click!
Click!
Click!
Click!
Phone/Data
Click!
Click!
Click!
Click!

Modular Plugs

Modular Plugs for Stranded Wire
  • Top quality modular plugs.
  • For stranded flat cable or stranded twisted pair cable.
  • 50u gold plated contacts
  • Six position jack is available with 4 or 6 conductors.
  • 8 position jack is Category 5 rated (with proper cable).
  • Use this tool.

How Do I ... Choose the Right Modular Plug

Modular plugs come in two standard widths; 6 and 8 position. The 6 position width may only have 4, or even only 2 positions filled with metal contacts. (The "middle" positions are always the ones filled. Outer, unused positions are left empty.) Eight position plugs always have all 8 conductors loaded.

Modular plugs are designed to work with either stranded or solid conductor wire. The version designed for stranded wire has two "tines" that pierce the insulation and slip through the middle of the wire, pushing aside the individual strands. The version designed for solid conductor wire has three leaf "tines" that pierce the insulation, then snuggle alongside the solid conductor, clamping it in place.

If you use a modular plug designed for stranded wire on solid conductor wire, the tines will simply shear off the solid conductor, and will thus make intermittent, at best, contact.

When do you use solid or stranded conductor wire? The answer lies mostly in why stranded wire is made in the first place: Stranded wire is more flexible, and endures bending, flexing, and pulling better than solid conductor wire. So stranded wire is typically used in "outside the wall" applications where the cable is likely to be moved many times over the course of its life. Solid conductor wire is used inside the wall, since once the cable is laid in and terminated, it will not be moved or flexed.

Sold in boxes of 50 plugs.

EC-702004
Mod.Plug,6P4C,Str,Flt,50u,50ea
For ordering information, please see this item on our current website.  
EC-702006
Mod.Plug,6P6C,Str,Flt,50u,50ea
For ordering information, please see this item on our current website.  
EC-702008
Mod.Plug,8P8C,Str,Flt,50u,50ea
For ordering information, please see this item on our current website.  

Modular Plugs for Solid Wire
  • Top quality modular plugs.
  • For solid conductor twisted pair cable.
  • 50u gold plated contacts
  • Six position jack is available with 4 or 6 conductors.
  • 8 position jack is Category 5 rated (with proper cable).
  • Use this tool.
Sold in boxes of 50 plugs.

EC-702018
Mod.Plug,6P4C,Sld,Rnd,50u,50ea
For ordering information, please see this item on our current website.  
EC-702020
Mod.Plug,6P6C,Sld,Rnd,50u,50ea
For ordering information, please see this item on our current website.  
EC-702022
Mod.Plug,8P8C,Sld,Rnd,50u,50ea
For ordering information, please see this item on our current website.  

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Modular Adaptors

AP*
Adaptors, Phone (4 Cond)

HomeTech Solutions
GC-APF2PF
Adaptor,4C Female to 4C Female
Cross-Wired, for voice use
For ordering information, please see this item on our current website.  
GC-APMYPF
Adaptor,4C Male to 2 4C Female
For ordering information, please see this item on our current website.  
GC-APFYPF
Adaptor,4C Female to 2 4C Fema
For ordering information, please see this item on our current website.  

AD*
Adaptors, Data (8 Cond)

HomeTech Solutions
GC-ADF2DF
Adaptor,8C Female to 8C Female
Straight-Wired, for data use
For ordering information, please see this item on our current website.  
GC-ADMYDF
Adaptor,8P Male to 2 8P Female
For ordering information, please see this item on our current website.  
GC-ADFYDF
Adaptor,8P Female to 2 8P Fema
For ordering information, please see this item on our current website.  

U50*
Category 5 Couplers

HomeTech Solutions
  • Join two category 5 cables.
  • Straight through and crossover versions available.
  • White case.
  • Extend Category 5 UTP Patch Cords without loosing Category 5 performance.
  • Meets EIA/TIA 568A Category 5 Standards.
  • Icon labels included for easy documentation.
  • PCB design for maximum reliability.
  • U.S. Patented.
UC-U508AWT
In-Line Coupler, Straight Thru
For ordering information, please see this item on our current website.  
UC-U504CWT
In-Line Coupler, Crossover
For ordering information, please see this item on our current website.  

512114
Category 5e Junction Box

HomeTech Solutions
  • Join two category 5e (or lower) cables.
  • Standard 110 style punchdown terminals.
  • Shielded box with strain-relief.
  • Double-stick tape or screw mounting (included).
  • Extend Category 5e UTP cable without loosing Category 5e performance.
  • PCB design for maximum reliability.
  • Dimensions: 2 1/2"W x 1 1/2"H x 1"D
We recommend not using this device! If at all possible...pull a new cable. But if that simply isn't possible, this cat 5 coupler is the next best option. Simple, quick, cheap, and reliable.
IC-512114
Cat5e Connection Box
Junction box with 110 punchown
For ordering information, please see this item on our current website.  

Click For Manufacturer Information
Suttle
Authorized Reseller
742A-50
Junction Box
Junction Box
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Features
  • Allows up to four hard-wired, additional extensions and/or accessories to be added
  • Entrance bridge provides a convenient disconnect point for premise wiring systems
  • Color-coded strip facilitates wiring
  • Break-away entrance tabs for incoming and extension wiring
  • UL certified
SU-742A50
Junction Box
Ivory
For ordering information, please see this item on our current website.  

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Modular Breakout Devices

APM2P12
Line 1 & 2 Splitter

HomeTech Solutions
  • RJ11 "T"
  • Two line splitter.
  • One 4 conductor modular plug (Pair 1 and Pair 2 - EIA/TIA568A).
  • One 2 conductor modular jack wired to pair 1 of plug.
  • One 2 conductor modular jack wired for Pair 2 of plug.
  • Current version includes a Line 1 + Line 2 jack.
GC-APM2P12
Adaptor,4C Male Breakout
Line 1, Line 2
(Some have Line 1 + Line 2)
For ordering information, please see this item on our current website.  

APM2P12A
Line One & Two Splitter
Line One & Two Splitter
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Features
  • Plugs into two line jack.
  • Breaks out into Line 1 & Line 2 jacks.
  • See second photo for wiring diagram.
  • Alternate part number: SE-267B
Used for connecting two telephones and/or ancillary devices to separate outside lines through a single 4 contact jack wired for termination of two lines.
GC-APM2P12A
Modular T Adapter
Ivory
For ordering information, please see this item on our current website.  

40108C
Line 1-2-3-4 to 1-2/3-4 Splitter
40108C - Modular Jack Splitter, C
  • 4-Line Modular Jack Splitter
  • Splits one 4-line jack into two 2-line jacks.
  • One 8 conductor modular plug (All 4 pair - EIA/TIA568A).
  • One 4 conductor modular jack wired with pair 1 and pair 2 of plug.
  • One 4 conductor modular jack wired with pair 3 and pair 4 of plug.
  • Schematic
  • Use one 40108C and two 424258's to break out one 4-line jack into individual lines. Click for picture.
UC-40108C
Modular Jack Splitter, C
For ordering information, please see this item on our current website.  

40108B
Line 1-2-3-4 to 1-3/2-4 Splitter
40108B - Modular Jack Splitter, B
  • 10Base-T to 10Base-T and two line splitter.
  • Allows use of two unused pair in a 10Base-T jack/cable for other purposes.
  • One 8 conductor modular plug (All 4 pair - EIA/TIA568A).
  • One 4 conductor modular jack wired with pair 2 and pair 4 of plug (Pairs used by 10Base-T).
  • One 4 conductor modular jack wired with pair 1 and pair 3 of plug (Pairs unused by 10Base-T).
  • Schematic
  • Use one 40108B at each end to "break out" the two unused pair within a 4-pair Ethernet 10Base-T connection.
  • Allows one Cat 3 or better cable to serve as networking and voice/fax/modem cable.
UC-40108B
Modular Jack Splitter, B
For ordering information, please see this item on our current website.  

LBO1 - Line Breakout Module
  • Splits one 4-line jack into 4 two-line jacks.
  • Includes pass-through port.
  • Hangs on wallplate with special screw (included).
  • Perfect for splitting out up to four lines in a Cat 5 jack to one or two line phones/modems/fax machines.
  • Includes short Cat 5 jumper for connecting to wallplate.
FS-LBO1
Line Break Out 4-Way 8p8c
L1+L2, L2+L1, L3+L4, L4+L3
For ordering information, please see this item on our current website.  

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Miscellaneous


HomeTech Solutions
Modular Plug to DB9 Adapter
  • 8 Position modular jack on one end
  • DB9 Male (A9M2DF) or female (A9F2DF) on the other
  • Click-In pins -- configure the adapter as you need.
  • Perfect for connecting and running RS232 data through Category 5 cable.

How Do I ... Run RS232 Through My Walls?

You've been told that Category 5 rated twisted-pair cable is capable of handling normal RS232 data...right? But you're wondering how to hook up the DB connectors on your computer and peripheral to the cat5 cable.

Well, it's really simple; Just use these adaptors and cat 5 patch cables. Assemble the appropriate adaptor, plug it into your computer, plug one end of the patch-cable into the adaptor, and the other into the cat 5 jack in the wall.

There isn't a standard (to our knowledge) on which cat5 wires go to which RS232 lines, so we just wire them in sequence like this:

RS232 via Cat 5
8P8C Modular Jack Lead Color (Pin #)DB9 Pin #Signal NameSource
Blue (1) 1CD - Carrier DetectModem
Orange (2) 2RXD - Receive DataModem
Black (3) 3TXD - Transmit DataTerminal
Red (4) 4DTR - Data Terminal ReadyTerminal
Green (5) 5Signal Ground
Yellow (6) 6DSR - Data Set ReadyModem
Brown (7) 7RTS - Request To SendTerminal
White (8) 8CTS - Clear To SendModem

(Pin 9 is Frame Ground and is not requred.)

Note that with a few of these adaptors in your toolkit, along with the usual supply of modular plugs, flat cable, and crimp-tool, you can make up your own RS232 cables as needed, always the perfect length!

GC-A9M2DF
Adapter, 9 Pin M to 8 Pin F
DB9 M to Modular 8 pos F
User Configurable Pinout
For ordering information, please see this item on our current website.  
GC-A9F2DF
Adapter, 9 Pin F to 8 Pin F
DB9 F to Modular 8 pos F
User Configurable Pinout
For ordering information, please see this item on our current website.  


Super-Bee Crimp Connectors
  • Fast and reliable way to connect multiple 22-24 gauge low-voltage wires.
  • Just insert the wires and crimp with a standard faston crimper or pliers.
  • No need for stripping the wires -- hundreds of tiny teeth pierce the insulation. Solid or stranded.
  • Used extensively in the security/alarm industry for decades!
  • Only at HomeTech...where we bring you more, of the best!
  • Also available with sealant inside for damp locations (902).
EL-900
B Connectors, Plain, Yellow
For ordering information, please see this item on our current website.  
EL-902
B Connectors, Gel, White
For ordering information, please see this item on our current website.  

UY & UR
Telco Splices
  • Fast and reliable way to connect two (UY) or three (UR) 22-24 gauge low-voltage wires.
  • Just insert the wires and crimp with a standard pair of pliers.
  • No need to strip the wires -- Insulation displacement technology
  • Used extensively in the telecom industry for decades!
EC-703005
UY Connector
Connects 2 telephone wires
For ordering information, please see this item on our current website.  
EC-703006
UR Connectors
Connects up two 3 phone wires
For ordering information, please see this item on our current website.  

Click For Manufacturer Information
Suttle
Authorized Reseller
1542AM50
Radio Interference Filter
Radio Interference Filter
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Used in place of a surface mounted jack assembly to eliminate AM/Fm and CB radio broadcast interference in phones caused by nearby transmitting antennae.
SU-1542AM50
Radio Interference Filter
Ivory
For ordering information, please see this item on our current website.  

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Please visit our new website here


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