ADTRAN DSU III ARdc User Manual page 120

Glossary
EIA-232
A set of standards specifying various electrical and mechanical characteristics for inter-
faces between computers, terminals, and modems. Defines the mechanical and electrical
characteristics for connecting DTE and DCE data communications devices. It defines
what the interface does, circuit functions, and their corresponding connector pin assign-
ments. The standard applies to both synchronous and asynchronous binary data trans-
mission.
EIA-366
An EIA interface standard for autodialing.
FCC part 15 of class A
Radiated and conducted emissions standards set for commercial and industrial use.
FCC part 15 of class B
Radiated and conducted emissions standards set for residential use.
FCC part 68
FCC Rules and regulations intended to provide protection of the telephone network from
harm caused by connection of equipment to the network.
full duplex
A circuit designed to transmit and receive data simultaneously.
half duplex
A circuit designed to both transmit and receive data, but not at the same time.
in-band
Signaling (dialing, diagnostics, management, configuration, etc.) over the same channel
used for data.
ISDN
Integrated Services Digital Network. A network architecture that enables end-to-end dig-
ital connections. The network supports diverse services through integrated access
arrangements and defines a limited set of standard, multipurpose interfaces for equip-
ment vendors, network providers, and customers. Interworking with a public switched
telephone network is retained.
Glossary-8 DSU III ARdc User Manual 61200270L1-1