Westek Electronics, Inc. Datasheets for Modular Connectors and RJ Connectors

Modular connectors and RJ connectors includes two similar, yet distinct styles of connectors. Modular connectors are made of "plug-in units" which can be added together to make the system larger, improve the capabilities, or expand its size. Registered Jack (RJ) is a telephone and data jack application specific connector registered with the FCC.
Modular Connectors and RJ Connectors: Learn more

Product Name Notes
Adapter plug allows use of standard PBX/ACD headset with modular telephones. PBX headsets equipped with the standard PJ327 dual brass plug may now plug into telephone consoles with 4X4 jack.
PA 054345 000 400B2 "piggyback" adapter contains one 8 position 6 conductor plug; one 8 position 8 conductor jack; and one 6 position 2 conductor jack. It is used to...
PA 05437 000 267F2 "Piggyback" adapter contains one 6 position 4-conductor modualr plug and one 6 position 2-conductor jack and one 6 position 4-conductor jack. These adapters are used to...
TC-W425 (replaces W.E. 425A) 3 conductor (tip, ring, sleeve) electrically independent self-aliging plugs, on .625 inch (15.875mm) centers. Mates with all standard 3 conductor jacks. Shell notched for polarity. Standard...
TC-W478 adapts modular headset or headsets to plug into standard PBX dual jacks (223A, 226A, etc.) 4 conductor 616P modualr jack in rear of shell wired to PJ327 plugs mounted...
The 440A4 ISDN Terminating Resistor Adapter is used to balance the cable plant between the receiver and transmitter on the ISDN T-interface. It can be located or placed in the...