77
long space disconnect
. Determines whether or not modem
disconnects when it receives a continuous break from a remote
modem. Controlled by the ATY command.
loopback tests
. There are four types of loopback tests which are as
follows: (1) the local digital loopback tests the operation of the DTE,
including whether or not data is leaving the terminal or computer
port; (2) the local analog loopback tests the digital and analog circuits
of the modem; (3) the remote digital loopback checks the operating
condition of the line and remote modem; (4) the remote analog
loopback tests the line to the remote modem.
M
MNP
. Microcom Networking Protocol. A series of data
communications protocols developed by Microcom for full-duplex,
error-free communications.
make/break ratio
. The &P command controls the ratio of the off-hook
(make) to on-hook (break) interval used by the modem when it pulse
dials. &P0 selects a 39%/61% make/break ratio for use in the U.S.
&P1 selects a 33%/67% make/break ratio for use in the United
Kingdom and Hong Kong. The &P command is NOT allowed in
some countries.
modulation handshake
. Also referred to as Automode Enable and is
controlled by the ATN command. This determines whether or not the
modem must connect at a particular speed, or allow connection at
any speed supported by both modems.
N
negotiation fallback
. Controlled by S-Register 36 as part of the V.42
protocol. Setting this register indicates what action to take when a
desired connection cannot be made (e.g., hang-up, direct mode
connect, normal mode connect).
Summary of Contents for Bocamodem M144EW
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