Paradyne COMSPHERE 3910 Installation And Operation Manual page 233

COMSPHERE 3900 Series Modems
extended network
extended result codes
fallback
FCC
Forward Error
Correction (FEC)
Front-End Processor
(FEP)
full-duplex
function key
half-duplex
handshaking
HDLC
host
Hz
idle
JM8
keypad
LCD
GL-6
The extension of a circuit where the tributary DCE is connected to
a downstream (extended) control DCE.
An asynchronous message (in either numbers or words) that
includes VF data rate and error control information the modem
sends to the DTE after executing or trying to execute a command.
Retraining at a lower rate or speed.
Federal Communications Commission. Board of Commissioners
that regulates all interstate and foreign electrical communication
systems that originate from the United States.
A method of error control for data transmission where the
receiving device can detect and correct a character or block of code
containing a predetermined number of erroneous bits.
A communications computer associated with a host computer that
manages the routing of data through the network.
Simultaneous, two-way communications.
Any one of three keys on the DCP that allows you to select or
increment an LCD entry. Function keys are labeled F1, F2, and F3.
Two-way data communications allowed in only one direction at a
time.
The exchange of predetermined codes and signals (tones) to
establish a connection between two modems.
High-Level Data Link Control. A communications protocol
defined by the International Standards Organization (ISO).
A computer attached to a network that shares its information and
devices with the rest of the network.
A unit of frequency (Hertz) that equals one cycle per second.
A state in which the modem's operating parameters can be
modified or commands can be issued to the modem using either
AT commands or the DCP.
A jack used for leased-line networks. Pins 1 and 2 are the transmit
pair and Pins 7 and 8 are the receive pair.
A set of seven keys surrounding the DCP's LCD. These keys are
used to select configuration options and to maneuver through the
DCP menu.
Liquid Crystal Display. A thin sandwich of two sealed glass plates
containing liquid crystal material. When voltage is applied, the
amount of light able to pass through the glass plates is altered so
that messages may be "written" on the display.
November 1996 3910-A2-GN32-30