AT&T System 85 manual 4A, S101A, and S102A Speakerphones………………………………………………………

Physical Description …………………………………………………………………………………… 4-19

Power …………………………………………………………………………………………………… 4-20

Administering the Expansion Module ……………………………………………………………… 4-20

801A Expansion Module PEC Codes ……………………………………………………………… 4-21

Additional Documents ………………………………………………………………………………… 4-21

Headset Adapters …………………………………………………………………………………… 4-25

Applications …………………………………………………………………………………………… 4-25

Physical Description …………………………………………………………………………………… 4-25

Power …………………………………………………………………………………………………… 4-26

Considerations ………………………………………………………………………………………… 4-26

Headset PEC Codes ………………………………………………………………………………… 4-27

Message Waiting Indicator ……………………………………………………………………… 4-31

Applications …………………………………………………………………………………………… 4-31

Physical Description …………………………………………………………………………………… 4-31

Power …………………………………………………………………………………………………… 4-31

Message Waiting Indicator PEC Codes …………………………………………………………… 4-32

4A, S101A, and S102A Speakerphones……………………………………………………… 4-35

Applications …………………………………………………………………………………………… 4-35

Physical Description …………………………………………………………………………………… 4-35

Power …………………………………………………………………………………………………… 4-36

Considerations ………………………………………………………………………………………… 4-36

Speakerphone PEC Codes …………………………………………………………………………… 4-37

S201A and S202A Speakerphones …………………………………………………………… 4-41

Applications …………………………………………………………………………………………… 4-41

Physical Description …………………………………………………………………………………… 4-41

Power …………………………………………………………………………………………………… 4-42

Considerations ………………………………………………………………………………………… 4-42

S201A and S202A Speakerphone PEC Codes …………………………………………………… 4-42

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