Ericsson LBI-39224 manual Nim, Novram, Pcm, Pim

LBI-39224

NIM

Network Interface Module – Two or more IMC networks can be linked together for distributed multisite communications using a NIM at each IMC Digital Audio Switch. NIMs can also link a remote CEC to an IMC for remote console applications.

NOVRAM

NOnVolatile Random Access Memory – NOVRAM is specialized RAM used on the certain CEC/IMC boards/cards for storage of data which must be maintained through a power on-off-on cycle such as LID and GID databases, and configurations specific to the particular CEC/IMC interface module.

NOVRAM clear

A NOVRAM clear occurs when interface module specific data within a Controller Board's NOVRAM is deleted. NOVRAM must be cleared prior to certain configuration and diagnostic procedures.

NOVRAM reset

(See NOVRAM clear.)

patch

The term "patch" refers to the operation performed when two or more entities are connected together for common communication as one entity.

patch ("soft"/console)

A patch ("soft" or console) is when two or more talk groups are connected together by a dispatcher at a console, this allows the patched groups to communicate as a single group. "Soft" or console patches utilize a special group ID number referred to as a SAID. (Also see Causeway patch and Call Director patch.)

PCM

Pulse Code Modulation – An audio processing technique used to encode and decode analog signals so they can be transferred digitally.

PIM

Private Branch eXchange (PBX) Interface Module – This CEC/IMC interface module supports Jessica PBX Gateway equipment. It provides the audio and control data links into and out of the CEC/IMC to and from Jessica. (Also see Jessica PBX Gateway.)

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