Copper Line
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Product
- Optically Isolated Line Driver
Model 72A
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FEATURES: DC TO 19.2 KBPS; Optically Isolated; TD & RD LED's; Loopback Switch; Built-In Surge Protection; Male or Female Connectors; Screw Terminals and RJ-11. The Model 72A Optically Isolated Line Driver links RS-232 based devices over extended distances. It provides optical isolation and has built-in verification of operation using a loopback switch.
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Product
Mic / Audio Line Tester
Qbox
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Whirlwind Music Distributors, Inc.
The Qbox is the all-in-one audio line tester ideal for applications such as live sound, maintenance, installation work - anywhere audio runs down a cable. The Qbox can quick-check dynamic microphones and cables without firing up the entire system. It provides a handy mic or line-level tone for activating a signal path or identifying a specific cable in a pile of cable ends.
