AT&T System 85 manual 7403D Equipment Price Element Code PECs ……………………………………………………

7403D Voice Terminal ……………………………………………………………………………… 3-121

Applications …………………………………………………………………………………………… 3-121

Physical Description …………………………………………………………………………………… 3-121

Distance Limitations …………………………………………………………………………………… 3-123

Power Requirements ………………………………………………………………………………… 3-123

Power Failure Operation ……………………………………………………………………………… 3-124

FCC Registration ……………………………………………………………………………………… 3-124

Hearing Aid Compatible ……………………………………………………………………………… 3-125

7403D Equipment Price Element Code (PECs) …………………………………………………… 3-125

Adjuncts ………………………………………………………………………………………………… 3-125

Additional Documents ………………………………………………………………………………… 3-125

7404D Voice Terminal ……………………………………………………………………………… 3-129

Applications …………………………………………………………………………………………… 3-129

Physical Description …………………………………………………………………………………… 3-129

Distance Limitations …………………………………………………………………………………… 3-131

Power Requirements ………………………………………………………………………………… 3-132

Power Failure Operation ……………………………………………………………………………… 3-132

FCC Registration ……………………………………………………………………………………… 3-132

Hearing Aid Compatible ……………………………………………………………………………… 3-132

7404D Equipment Price Element Code (PECs) …………………………………………………… 3-132

Adjuncts ………………………………………………………………………………………………… 3-133

Additional Documents ………………………………………………………………………………… 3-133

7405D Voice Terminal ……………………………………………………………………………… 3-137

Applications …………………………………………………………………………………………… 3-137

Physical Description …………………………………………………………………………………… 3-137

Distance Limitations …………………………………………………………………………………… 3-139

Power Requirements ………………………………………………………………………………… 3-140

Power Failure Operation ……………………………………………………………………………… 3-140

FCC Registration ……………………………………………………………………………………… 3-140

Hearing Aid Compatible ……………………………………………………………………………… 3-140

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