AT&T System 85 manual Plus Equipment PECs and Comcodes ……………………………………………………

7402 Plus Voice Terminal

7401D and 7401 Plus Voice Terminals

Additional Documents ………………………………………………………………………………… 3-86

……………………………………………………… 3-91

Applications …………………………………………………………………………………………… 3-91

Special Operational Characteristics ………………………………………………………………… 3-91

Physical Features ……………………………………………………………………………………… 3-92

Distance Limitations …………………………………………………………………………………… 3-94

Power Requirements ………………………………………………………………………………… 3-95

Switch Administration ………………………………………………………………………………… 3-96

Power Failure Operation ……………………………………………………………………………… 3-100

FCC Registration ……………………………………………………………………………………… 3-100

UL and CSA Approval ………………………………………………………………………………… 3-100

Hearing Aid Compatible ……………………………………………………………………………… 3-100

7401D Equipment PECs & COMCODES …………………………………………………………… 3-100

7401 Plus Equipment with PECs and COMCODES ……………………………………………… 3-101

Adjuncts ………………………………………………………………………………………………… 3-103

Additional Documents ………………………………………………………………………………… 3-104

………………………………………………………………………… 3-107

Applications …………………………………………………………………………………………… 3-107

Physical Features ……………………………………………………………………………………… 3-107

Distance Limitations …………………………………………………………………………………… 3-111

Power Requirements ………………………………………………………………………………… 3-111

Switch Administration ………………………………………………………………………………… 3-112

Power Failure Operation ……………………………………………………………………………… 3-115

FCC Registration ……………………………………………………………………………………… 3-115

UL and CSA Approval ………………………………………………………………………………… 3-115

Hearing Aid Compatible ……………………………………………………………………………… 3-115

7402 Plus Equipment PECs and COMCODES …………………………………………………… 3-115

Adjuncts ………………………………………………………………………………………………… 3-116

Additional Documents ………………………………………………………………………………… 3-117

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