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Send async or sync RS-232 data 7.6 miles at up to 56.7 kbps. This product includes: Async/Sync Short-Haul Modem Universal power supply with plug adapters for U.S. Europe, and The United Kingdom Quick Facts Sends your data 7.6 miles (12.2 km) at up to 56.7 kbps over 24 AWG wire (speed dependent). Further Details Async or sync, point-to-point or multipoint operation. Transformer isolation and surge protection. Internal, external, or receive recover clocking in sync mode. V.54 loopback and V.52 BERT pattern generator. Includes a universal power supply with plug adapters for U.S., Europe, and the United Kingdom. The BLACK BOX Async/Sync Short-Haul Modem sends your data 7.6 miles (12.2 km) at up to 56.7 kbps over 24 AWG wire. Need more than just high performance? This short-haul modem comes with lots of extras to simplify your data transmission. Transformer isolation and surge protection help to guard your valuable data, and front-panel controls make it easy to configure diagnostics. 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