RTS XCP-ADAM-MC Servisní příručka stáhnout pdf (Strana 47)

RTS ADAM, ADAM CS, and Zeus Intercom Systems do not actually use

crosspoint switches, but use a technique called time division multiplexing

(TDM), in which communications are routed as digital packets. However,

use of the term "crosspoint" persists since packet routing basically

accomplishes the same thing as conventional crosspoints: namely,

connecting distinct talkers and listeners. In this sense, a crosspoint can be

thought of simply as a communication link between any two points in the

intercom system.

Destination

A destination is anything that a talk key talks to or a listen key listens to. A

destination can therefore be any port, party line, IFB, etc.

Dim

"Dim" occurs in two contexts in RTS Digital Matrix Intercom Systems.

First, there is the Dim Table feature. Dim tables are used to correct a

feedback problem that can occur between two keypanels operating in

close proximity that have keys assigned to talk/listen to a common

destination. Dim tables are set up in ADAMedit (search for keyword "dim"

in ADAMedit help. Once a dim table is set up, it can be assigned as a level

2 talk assignment for those keys that are causing the feedback problem.

For information about how to make this assignment from a programmable

keypanel, search for "Dim Table" in the keypanel manual index.

There is also an adjustable speaker dim feature available on the KP-32

Keypanel. This causes the speaker or headphone volume to diminish by a

preset amount whenever a talk key is activated. This can help to prevent

occasional feedback between the speaker and microphone due to volume

settings, microphone placement, etc. For setup and usage, search for

"Speaker Dim" in the keypanel manual index.

GPIO

General Purpose Input / Output. (You may also see this referred to simply

as "GPI".) GPIO is a means of controlling devices using switch contact

closures, DC voltages, or similar methods. For example, you can control a

lighting system from keypanel keys, or key a transmitter from a talk key

during transmit. Or, simply operate a light or buzzer for cueing. In ADAM,

ADAM CS, and Zeus intercom systems, you can also control intercom

events from external switches. For example, you can activate key

assignments, close or open crosspoints, activate GPI outputs, etc.

In CS9000 Series intercom systems, general purpose control outputs are

provided by optional FR9528 Relay Frames (8 relays each). In those

systems, a relay may be assigned to an intercom key on a keypanel using

the Relay key assignment type. Pressing the intercom key activates the

relay.

ADAM, ADAM CS, and Zeus intercom systems all have a dedicated GPIO

connector (J27 on a Zeus Frame, J903 on an ADAM CS Frame, and J11

on the XCP-ADAM-MC Master Controller Breakout Panel in an ADAM

Intercom System). This connector supports 8 control inputs and 8 control

outputs. Additionally, one or more UIO-256 Universal Input/Output frames

may be connected to the intercom system. Each UIO-256 provides

another 16 control inputs and 16 control outputs. Control outputs may be

assigned to intercom keys using the Relay key assignment type, and the

intercom keys can then control external devices the same as the FR9528.

Control inputs can be assigned to activate "virtual" key assignments. (A

virtual key assignment is a key assignment at an intercom port where

there is not actually any keypanel connected. Basically, you use an

external switch to act like a talk or listen key.) The control inputs and

outputs can also be used as conditions for UPL statements in ADAMedit.

Finally, there is a GPIO option available for the KP-12 keypanel, and a

connector module option for the KP-32, which includes GPIO. These are

referred to as "Local" GPIO, since they are assigned and used locally at

the keypanel. Each local GPIO includes 4 control inputs and 4 control

outputs.

IFB

IFB (Interrupt Foldback) is a special type of communication in which a

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