Modem terms

Updated: 11/12/2023 by Computer Hope

Modem terms with full definitions and information on each term. Explore this list of over 50 terms like download, dial-up, COM, and 56k. Navigate quickly through the list by clicking one of the letters below; for example, click 'U' to find terms like 'upload' in the 'U' section.

Definition of a computer modem
Top 10 modem terms
External computer modem

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 transfer

Data Communication Equipment
Data mode
Dataphone
Data set
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

Short haul
Splitter

T

TAPI
Telco
Telco line
Tele
Telecommunications
Telephone
Telephony
Terminal
Throughput
Transmit
TXD

U

UART
Unimodem
Upload

V
V.90 modem communication standard

V.10
V.17
V.21
V.22
V.22bis
V.23
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
V.44
V.90
V.91
V.92

W

Currently, no listings.

X

X2
Xmodem
XMT

Y

Ymodem

Z

Zmodem

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