User's Manual

Table Of Contents
DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
Contents
ix
Additional Documents 10-11
11 The 7400 Series Voice Terminals 11-1
The 7401D and 7401 Plus Voice Terminals 11-2
Applications 11-3
Special Operational Characteristics 11-3
Physical Features 11-4
Distance Limitations 11-7
Power Requirements 11-7
Switch Administration 11-8
Power Failure Operation 11-11
FCC Registration 11-12
UL and CSA Approval 11-12
Hearing Aid Compatible 11-12
7401D Equipment PECs and Comcodes 11-12
7401 Plus Equipment with PECs and
Comcodes 11-13
Adjuncts 11-14
Additional Documents 11-15
The 7402 Plus Voice Terminal 11-16
Applications 11-17
Physical Features 11-17
Distance Limitations 11-20
Power Requirements 11-20
Switch Administration 11-21
Power Failure Operation 11-23
FCC Registration 11-24
UL and CSA Approval 11-24
Hearing Aid Compatible 11-24
7402 Plus Equipment PECs and Comcodes 11-24
Adjuncts 11-25
Additional Documents 11-26
The 7403D Voice Terminal 11-27
Applications 11-28
Physical Description 11-28
Distance Limitations 11-30