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Revision: C 

CA12CD Product Summary.doc 

3 of  12 pages 

1.3

 

Table of Contents 
Titles Page 

No.

 

1

 

Document Information 

2

 

1.1

 

Publication History.......................................................................2

 

1.2

 

Document Approval.....................................................................2

 

1.3

 

Table of Contents ..........................................................................3

 

1.4

 

List of Illustrations ........................................................................3

 

2

 

Product Description 

4

 

2.1

 

Summary of Features....................................................................4

 

2.2

 

Functional Description .................................................................5

 

2.3

 

Product Architecture ....................................................................7

 

2.3.1

 

Base Unit.............................................................................7

 

2.3.2

 

Remote Unit .......................................................................8

 

3

 

Audio Performance 

8

 

3.1

 

Sidetone ..........................................................................................8

 

3.2

 

Interference ....................................................................................9

 

4

 

Range and User Density 

9

 

5

 

Voice Privacy 

10

 

5.1

 

Frequency Hopping....................................................................11

 

5.2

 

Encryption....................................................................................11

 

6

 

Subscription 12

 

 

1.4

 

List of Illustrations 

Titles  

 

Page 

No.

 

Figures: 

Figure 1: Model CA12CD.........................................................................5

 

Figure 2: Base-Unit Block Diagram ........................................................7

 

Figure 3: Remote-Unit Block Diagram...................................................8

 

  

Summary of Contents for CA12CD

Page 1: ...Part No 101987 00 Category Code 97 Revision C Product Summary CA12CD Cordless Push to Talk Adaptor...

Page 2: ...e Plantronics website Portions of this document are based to a large extent on the Engineering Support Document CS50 General Guidelines Revision 1 5 by Steve Cahill 1 1 Publication History Revision Da...

Page 3: ...ion 4 2 1 Summary of Features 4 2 2 Functional Description 5 2 3 Product Architecture 7 2 3 1 Base Unit 7 2 3 2 Remote Unit 8 3 Audio Performance 8 3 1 Sidetone 8 3 2 Interference 9 4 Range and User D...

Page 4: ...just control DECT Digital Enhanced Cordless Telecommunications radio operating in the UPCS band CA12CD for North American applications and full DECT version CA12CD A and variants for areas such as the...

Page 5: ...PJ 7 connector The charging wells accommodate the remote and a spare battery pack The LEDs show battery charge status power and PTT status The sending controls consist of a configuration switch to emu...

Page 6: ...On Off switch with incorporated LED a metal belt clip a receiving sensitivity fine adjust control and a twelve inch cable terminated in a Quick Disconnect to which any Plantronics H Series headset ca...

Page 7: ...Revision C CA12CD Product Summary doc 7 of 12 pages 2 3 Product Architecture 2 3 1 Base Unit The block diagram of the Model CA12CD base is shown in Figure 2 Figure 2 Base Unit Block Diagram...

Page 8: ...t and fine adjust controls provided for both the transmit and the receive channels See the User Guide and the Audio Level Settings card both available online for details on optimizing these controls f...

Page 9: ...one generator in the remote replaces the sidetone that has been removed by the local echo canceller 3 2 Interference The CA12CD shares its frequency band with other radio products Sometimes interferen...

Page 10: ...will occur when a user is distant from their own base but close to other bases or remotes In a high density installation the CA12CD may take some time to reestablish connectivity with its base when t...

Page 11: ...ng when the audio link is enabled The system is aperiodic because in this mode rather than changing channels at a fixed interval of time the system hops channels whenever there is another user sharing...

Page 12: ...or subscribing a base and a remote to each other The communications protocol permits audio exchange only between a remote and a base that are paired The user can subscribe a new remote to an existing...

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