DRAKE 4000 series II Uživatelská příručka stáhnout pdf (Strana 7)

User Guide 4000 Series II - EASi-COM II

Page vi of x STA0309 - Issue 2.0

RAM

andom

ccess

emory is a type of computer memory that can be

accessed randomly; that is, any byte of memory can be accessed

without touching the preceding bytes.

RCU

ear

onnector

nit. Larger Drake CSUs are configurable by the

fitting of extra boards to a passive backplane. Some of these boards

require connections to the outside world. These connections are

typically provided on a second (smaller) board which mates with the

main board at its rear. These smaller connector units are referred to

as 'Rear Connector Units'.

RMS The

oot

ean

quared value of a set of figures is the square root

of mean average of the square of each value.

RU A standard

ack

nit is a measurement used in the broadcast

industry to indicate the amount of cabinet (or rack) space a piece of

equipment will require. 1 RU is 19 inches wide by 1.75 inches high

(or 482.6 mm by 44.45 mm).

Side tone Side tone is the audio, heard in the Headset earpiece, which is gen-

erated by the headset microphone. This allows the operators to

hear themselves when using headsets.

Source port The port used as the origin when assigning a route.

TA A

erminal

daptor is a device that connects a computer to an

external digital communications line, such as an ISDN line. A termi-

nal adapter is a bit like a modem, but whereas a modem needs to

convert between analogue and digital signals, a terminal adapter

only needs to pass along digital signals.

Talkback A broadcast term referring to the intercom system.

Talk Route An audio route from the Control Panel to another destination. The

audio is normally generated from the Control Panel's main micro-

phone or Headset microphone.

TBU

elephone

alance

nit.

VOX A

oice

perated

rosspoint is a a switch which operates when the

level of a signal passing through it rises above a certain threshold

level. This threshold is normally adjustable either electronically or

mechanically, depending on the type of switch.

XLR Audio industry standard connector.

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