Black Box Short-Haul Modem-C Async (SHM-C Async), 4-Wire, Standalone – Serial – 1 x Modem (RJ-11) – 115.2 kbit/s – TAA Compliant – TAA Compliance

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At a maximum speed of 115.2-kbps, you can go up to 4000 feet.
It must be used in pairs.

RS-232 is the most common serial interface in use today. This means you can use your SHM-C in RS-232 installations – industrial applications; security systems; UNIX®, DEC2, and HP® workstation connectivity; and more.

Choose our 4-Wire SHM-C Async to transmit data up to 4 miles (6.4 km). Run loopback tests simply by pressing a front-panel button. Open the flip-top lid for quick DTE/DCE selection.

Transformer and optical isolation protect your data from electrical interference.

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