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T20 w/warranty
3/23/00
3:45 PM
IMPORTANT SAFETY INSTRUCTIONS
14. Never install telephone wiring during a lightning storm.
15. Never install telephone jacks in wet locations unless the jack
is specifically designed for wet locations.
16. Never touch uninsulated telephone wires or terminals
unless the telephone line has been disconnected at the network
interface.
17. Use caution when installing or modifying telephone lines.
18. This product should be intended to be supplied by a Listed
Class 2 Direct Plug-In Power Unit rated 9VDC 300mA.
Plantronics Part No. 45671-01, rated at an input voltage of 120
VAC, 60 Hz and an output voltage of 9 Vdc, 300mA.
19. This product requires AC power in order to operate. In order
to have phone service during a power outage, have another tele-
phone available that is powered only the telephone line.
20. Keep all product cords and cables away from operating
machinery.
SAVE THESE INSTRUCTIONS
Page 14
4
STEP 1
SETUP
The T20 Headset Telephone may be connected to two separate
telephone lines.
Turn the T20 base over and insert the Headset Holder
Connect the AC Power Adapter
to the T20 AC Power
21
Adapter Jack
and a wall outlet.
24
Connect the T20 to the telephone wall jack.
If the jack is dual-line, connect the Dual Line Cord
the white flag to the Telephone Line 1/2 Jack
If each line is a separate jack, connect one of the Wall
Cords
to the Dual-Line Jack
2
22
Jack
.
23
Set the Tone/Pulse Switch
to match your phone service
6
(usually tone). If you are not sure, call your local telephone
provider.
Set the Ringer Volume Control
for incoming calls to your
7
preferred level.
Plug the Headset Cord
into the Headset Jack
25
For most U.S. users, the Flash Timing Switch
"3", however, trying other settings will not harm the T20 or
your phone line.
5
G
.
1
F
with
2B
.
23
and the other to the Line 2
.
14
should be set to
5
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