Administrator's Guide

6400-series telephones
Issue 5 October 2002 1397555-233-506
The 6424D+ telephone can work in both 4-wire and 2-wire environments.
NOTE:
You can connect an XM24 expansion module to a 6424D+ phone to expand
the number of buttons you can assign. However, when the expansion module
is connected, you must connect an auxiliary power supply to the telephone.
Figure 22. 6402D telephone
Figure Notes
1. Display
2. Feature button
3. Hold button
4. Transfer/Test button
5. Conf/Ring button
6. Dial pad
7. Volume control button
8. Message light
9. Tray handle (includes reference
cards)
10. Redial button
11. Speaker button
12. Handset
7
PQRS
3
DEF
Speaker Feature Hold
Redial Transfer Conf
Test Ring
2
ABC
1
4
GHI
*
56
8
9
MNOJKL
TUV
WXYZ
O
#
Volume
6
2
3
4
5
7
8
9
12
11
10
Tel #
1