These handy SuperLooper plugs are great for working with and testing T1/E1 (DS1) cables. The loopback SuperLooper rapidly tests the TX/RX pairs of T1/E1 circuits by creating a feedback loop: if the circuit LED lights, then the cable is okay.
RJ-48 jacks and plugs
Color coded for quick differentiation
Ball bearing snap chains
Product Specifications: Measurements: 2"L
This product does not ship to the APO address and the following state(s): HI, AK, PR.
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