ADTRAN 1200063L1, Manual

Page: 125 / 137

Appendix F. Glossary
61200063L1-20 DSU III TDM User Manual F-5
FCC Part 15 of Class A
Radiated and conducted emissions standards set for commercial and indus-
trial use.
FCC Part 15 of Class B
Radiated and conducted emissions standards set for residential use.
FCC Part of 68
FCC Rules and regulations intended to provide protection of the telephone
network from harm caused by connection of equipment to the network.
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 digital connections. The network supports diverse services
through integrated access arrangements and defines a limited set of standard,
multipurpose interfaces for equipment vendors, network providers, and cus-
tomers. Interworking with a public switched telephone network is retained.
local DTE and loop test
A test initiated by the user that loops the DSU to the central office and back.
This is used to test the local DSU's DTE and local loop.
MIB
management Information Base. An informational database stored in devices
that allow the device to provide management information to an SNMP man-
agement system or proxy agent.
multidrop
A communications arrangement in which multiple devices share a common
transmission channel, although only one may transmit at a time.
out-of-band
Signaling that is separated from the channel carrying information (voice,
data, video, etc.). Typically the separation is accomplished by a filter. The
signaling includes dialing and other supervisory signals.