64 CHAPTER 6: TECHNICAL REFERENCE
Top-of-the-Case
Lights (Voice
Faxmodem Pro
Externals)
Typing Commands ■ Type commands in either upper or lower case, not a combination. Use
the Backspace key to delete errors. (You cannot delete the original AT
command.)
■ If a command has numeric options and you don't include a number,
zero is assumed. For example, if you type ATB, the command ATB0 is
assumed.
■ Every command except A/, +++, and A> must begin with the AT prefix
and be entered by pressing ENTER.
All defaults are based on the &F1*Hardware Flow Control template
loaded in NVRAM when the modem is shipped. Defaults are listed in
italics.
Basic Data
Commands
<control key>S
Stop or restart help screens.
ARQ/Error
Control/FAX
Fax Operations
Data Mode
Error Control. ON if modem
is set to &M4 or &M5 and
successfully establishes an
error control connection.
Flashes when modem
retransmits data to remote
modem. Fax Mode: flashes
to indicate fax mode.
Symbol Meaning Status
Light What It Means When Lighted
POWER The modem is turned on.
SEND The computer is sending a data bit
to the modem.
RECEIVE The modem is sending result
codes or passing received data bits
from the remote.
ONLINE The modem is online. (NOTE: This
light blinks when the mute feature
is being used.)
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