Modem terms Updated: 05/03/2022 by Computer Hope 0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Definition of a computer modem Top 10 modem terms Download Modem Data transfer Terminal Phone connector Python Dial-up COM Upload Communications Number 56k line A Access number Acoustic coupler Analog loopback Answer mode ARQ Auto answer Automatic repeat request B BAUD BBS Bits Per Second BPS Bulletin Board System C Carrier CCITT Characters per second COM Command state Communication device Communications Communications port Communications program Communications server CPS CTS D Data Communication Equipment Data mode Dataphone Data Terminal Ready Data transfer Data transfer rate DCE Demodulation Detect phase Dial-up Dial-Up Network Digital loopback Digital Simultaneous Voice Data Download DSVD DTR DUN E ESI External modem F Facsimile Fax Fax/modem Fax modem FDHP Flex Flow control G Currently, no listings. H Handshake Hayes compatible I Internal modem J Currently, no listings. K K56flex Kermit KFlex Kilobaud L LAPM Line adapter Line speed LNP Local bypass Local echo M MNP Modem MODIO Modulate Modulator N Null Modem Null modem cable O Off-hook Offline Old Punter On-hook Online P PEP Phone connector PSTN PTP Public carrier Punter Python Q Currently, no listings. R Rex RJ-11 S Send-receive fax modem Short haul Splitter T TAPI Telco Telco line Tele Telecommunications Telephone Telephony Terminal Throughput Transmit TXD U UART Unimodem Upload V V.21 V.22 V.22bis V.22bps V.23 V.24 V.25 V.26 V.26 V.26bis V.27 V.27bis V.27ter V.28 V.29 V.32 V.32bis V.34 V.42 V.42bis V86 mode V.90 V.92 W Currently, no listings. X X2 Xmodem XMT Y Ymodem Z Zmodem Back to the computer dictionary