DTE DCE
From HwB
DTE=Data Terminal Equipment
DCE=Data Communication Equipment
Contents |
DTE
Usually a computer, printer or terminal.
DCE
Usually a modem or similar device.
Connection
DTE to DCE use a straight cable (modem cable). Rx-Rx, Tx-Tx, Gnd-Gnd.
DTE to DTE use a crossed cable (nullmodem cable). Rx-Tx, Tx-Rx, Gnd-Gnd.
DCE to DCE use a crossed cable (nullmodem cable). Rx-Tx, Tx-Rx, Gnd-Gnd. (unusual)