描述： No power supply required—install this short-haul modem where it's needed. Select data rates up to 19.2 kbps. Send data up to 1 mile (1.6 km) at 19.2 kbps or up to 3 miles (4.8 km) at 4800 bps. Features a DCE/DTE switch for connection to another DCE without a crossover cable. 规格： Transformer isolation protects against overvoltages. An internal filter provides high noise immunity. Ideal for connecting full-duplex async terminals to computers. Features DB25 connectors and a terminal block and either an RJ-11 or RJ-45 connector.
