Ericsson LBI-39169 User Manual
Page 84
LBI-39169
GLOSSARY
84
TERM
DEFINITION
NM
See Network Manager.
Node
A terminal of any branch of a network, or a terminal common to two or more
branches.
Node Number
This is the EDACS Node Number which uniquely specifies an
IMC/CEC/StarGate in the EDACS network.
Object Identifier
A string of numbers derived from a global naming tree, used to identify an
object.
OpenView
See HP OpenView
PCM
Pulse Code Modulation
−
An audio processing technique used to encode and
decode analog signals so they can be transferred digitally.
PDU
Protocol Data Unit. Grouping of data defined within SNMP.
PI
Private Branch Exchange Interface. The Jessica VMEbus chassis provides
connectivity between the IMC and the MD110.
PMU
Power Monitor Unit. This EDACS unit monitors the output power of the
transmitters and the VSWR of the antenna system. If a fault occurs, it sends an
alarm to the Site Controller. The PMU is co-located with the Site Controller
computer.
Port
A point for accessing a device, circuit, or network. For a bridge, an interface
to a LAN or point-to-point link.
Privacy
Protection of the contents of a message by means of encryption.
Proxy Agent
An agent that responds to requests from one or more managers by polling
remote devices. A proxy also relays traps generated by devices under its
supervision to other managers.
PSTN
Public Switched Telephone Network. The communication system that links
telephones nationwide by means of loops, trunks, and switches owned and
operated by the public telephone companies. The term is often used for data
and other non-telephone services carried over the telephone network.
Radio Switch
Term used to designate the CEC, IMC, or StarGate.
RCEC
Remote Console Electronics Controller.
RCEC Node Icon
The RCEC Node icon consists of the RCEC and Consoles.
Request For Comments (RFC)
The RFC is a set of documents containing Internet protocols and discussions of
related topics. These documents are available on-line at the Network
Information Center.
RIM
Request Status Monitor Interface Module
−
The RIM interface module