mo·dem /ˈmoˌdʌm, ˌdɛm/
  調製解調器;    ( MODULATOR-DEMODULATOR 的縮寫,將計算機數位和通訊模擬信號相互轉換的機器)
  modem
  數據機
  modem
       n : (from a combination of MOdulate and DEModulate) electronic
           equipment consisting of a device used to connect
           computers by a telephone line