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SRM—3D超小型短程modem可将全双工异步终端接到计算机上。它可扩展到27Km,数据传输速率达19200bps。这种modem体织小,且使用9针D型插座,这就使它非常适合于IBM的—PC/XT或优列这类计算机。
The SRM-3D Subminiature Short Range Modem connects a full-duplex asynchronous terminal to a computer. It can be expanded to 27Km, data transfer rate up to 19200bps. This modem is small and uses a 9-pin D-sub socket, making it ideal for IBM-PC / XT or Netcom computers.