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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
The 8400 Series Voice Terminals
12-11The 8403 Voice Terminal
12
Figure 12-4. Button Numbering for Administering the 8403 Voice Terminal Connected to
a System 85 or a DEFINITY G2
Power Failure Operation
The 8403 voice terminal cannot be used as an emergency station during power
failure transfer conditions.
1
23
456
78
9
ABC DEF
MNOJKLGHI
PQRS TUV WXYZ
*
O
#
8403
Transfer
Hold
ab c
Feature
Volume
Test Conf
Drop
Mute
Speaker
345
If administered as a 7405D,
F1 through F7 are administered
as “BUTTON ASSIGNMENTS”
6 through 12. F8, F9, F*, F0, and
F# are administered as “FEATURE
BUTTON ASSIGNMENTS”
13 through 17.
If administered as itself, administer
F1 through F9, F*, F0, and F# as
“FEATURE BUTTON ASSIGNMENTS”
1 through 12.
Call appearance buttons a, b, and c
are administered as call appearance
“BUTTON ASSIGNMENTS”
3, 4, and 5.
F
1
F
2
F
3
F
4
F
5
F
6
6
7
8
9
10
11
12
13
14
15
16
17
F
7
F
8
F
9
F
*
F
0
F
#