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Communications Test & Measurement


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Lil' Buttie Butt-In Telephone Test Set

Lil' Buttie Pro Butt-In Telephone Test Set
Identify POTS dial tone and see Caller ID
Lil' Buttie™ Ranger Butt-In Telephone Test Set
Identify POTS dial tone with our line of butt-in telephone test sets. Choose the Lil' Buttie Ranger butt set for the most features and functionality.
Modular Adapters
Gain circuit access without disconnecting equipment. Angled sturdy copper contacts prevent clips from disconnecting during testing.
Resi-Talker™ Butt-In Telephone Test Set
Identify POTS dial tone with most economical butt set.
Tri-Porter™ Premises Wiring Tester for Voice, Data & Video
Test, assure, and perform a full range of vital premises cabling tests with a single groundbreaking tool. The JDSU Tri-Porter replaces up to six instruments–a DSL-safe telephone test set, a network tester, a tone generator, a cable tester/verifier, a tone detector/cable finder with the ability to trace coax through splitters, and a coax mapper–in one lightweight solution.