AT&T System 85 manual 7405D Equipment Price Element Code PECs ……………………………………………………

7406D, 7406BIS, and 7406 Plus Voice Terminals

7405D Equipment Price Element Code (PECs) …………………………………………………… 3-141

Adjuncts ………………………………………………………………………………………………… 3-141

Additional Documents ………………………………………………………………………………… 3-142

……………………………………… 3-147

Applications …………………………………………………………………………………………… 3-148

Physical Features ……………………………………………………………………………………… 3-148

Distance Limitations …………………………………………………………………………………… 3-155

Power Requirements ………………………………………………………………………………… 3-155

Switch Administration ………………………………………………………………………………… 3-156

Power Failure Operation ……………………………………………………………………………… 3-162

FCC Registration ……………………………………………………………………………………… 3-162

UL and CSA Approval ………………………………………………………………………………… 3-162

Hearing Aid Compatibility …………………………………………………………………………… 3-162

7406D/7406BIS Equipment PECs & COMCODES ………………………………………………… 3-162

7406 Plus Equipment PECs and COMCODES …………………………………………………… 3-165

Adjuncts ………………………………………………………………………………………………… 3-166

Additional Documents ………………………………………………………………………………… 3-166

7407D, Enhanced 7407D, and 7407 Plus Voice Terminals…………………………… 3-173

Applications …………………………………………………………………………………………… 3-174

Special Operational Characteristics ………………………………………………………………… 3-174

Physical Features ……………………………………………………………………………………… 3-177

Distance Limitations …………………………………………………………………………………… 3-184

Power Requirements ………………………………………………………………………………… 3-184

Switch Administration ………………………………………………………………………………… 3-185

Power Failure Operation ……………………………………………………………………………… 3-192

FCC Registration ……………………………………………………………………………………… 3-192

UL and CSA Approval ………………………………………………………………………………… 3-192

Hearing Aid Compatible ……………………………………………………………………………… 3-192

7407D/Enhanced 7407D Equipment PECs & COMCODES ……………………………………… 3-192

7407 Plus Equipment PECs and COMCODES …………………………………………………… 3-193

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