Telex SPS2000A

2. Combine/ Isolate Switch: This recessed, pushbutton switch lets you combine

theaudio signals of the two channels to create a single audio channel where all

userscan intercommunicate. Or, you can isolate each channel to create two

groupsof completely independent users.

3. ChannelStatus Indicatorsand Reset Pushbutton: The indicators are green for nor-

maloperation and red when there is an overload or short circuit. The Reset push-

buttonrestores normal operation after the short-circuit or overload has been

locatedand fixed.

4. UniversalAC Power Input: The SPS2000A accepts any input power in the range

of100-240 VAC, 50/60 Hz.

5. IntercomChannel Connectors: When the Combine / Isolate switch is set to the

Isolateposition, each channel connector is powered separately and has com-

pletelyseparate intercom audio. When the Combine / Isolate switch is set to the

Combineposition, each channel is still powered separately, but the audio signals

arecombined so that all users on both channels can intercommunicate.

6. Audiocom/ Clear-Com Selector Switch (Figure 2): This selector switch sets the

SPS2000Afor compatibility with either Audiocom (BALANCED) or Clear-

Com(UNBALANCED). Compatibility includes channel connector pin-outs,

channelpower requirements, and call signaling requirements. The SPS2000A is

shippedwith this switch in the Audiocom position.