Example image of eyePlorer eyePlorer map for 'Data circuit-terminating equipment': Data terminal equipment Data transmission circuit Coding Data Signalling (telecommunications) Channel (communications) RS-232 Federal Standard 1037C ITU-T MIL-STD-188 Computer Modem Terminal (telecommunication) Crossover cable Ethernet Null modem List of acronyms and initialisms: D EIA-530 Multilink Procedure Safe room X.75 Inverse multiplexer LAPB Node (networking) Isochronous burst transmission Nokia M1122 Sun-1 DCE X.25