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43-652.fm Page 5 Friday, August 13, 1999 11:00 AM
INSTALLATION
MOUNTING THE PHONE
You can place the ET-652 on a desk or
table, mount it on a standard wall plate,
or mount it directly on a wall. Choose a
location that is:
• near an AC outlet
• near a modular telephone line jack
• out of the way of normal activities
Caution: You must use a Class 2
!
power source that supplies 9
volts DC and delivers at least 300 mA.
Its center tip must be set to negative,
and its plug must fit the ET-652's
jack. The supplied AC adapter meets
these specifications. Using an adapter
that does not meet the specifications
could damage the ET-652 or the adapt-
er.
Connecting the AC Adapter
1. Insert the supplied AC adapter's
barrel plug into the
the back of the phone.
DC 9V
TEL LINE
!
LINE 2 DEFEAT
+
-
ADJUST
OFF - ON
LINE 1
LINE 2
2. Plug the adapter into a standard AC
3. Route the adapter's cord through
9V DC
Connecting to the Phone Lines
To take full advantage of the ET-652's
capabilities, you must have two phone
lines with separate phone numbers. If
you have only one line, you can order a
jack on
9V DC
second from your phone company.
Notes:
• The line that connects the phone
• Your phone connects directly to a
outlet.
the strain relief slot on the bottom of
the phone.
Strain
Relief
Slot
DESK
jack to the phone company wiring
must be twisted-pair cable. Other-
wise, you might hear interference
(crosstalk) between the two lines.
modular phone line jack. If your
phone wiring does not have a modu-
lar jack, you can update it using
jacks and adapters available at your
local RadioShack store, or have the
phone company update it for you.
5
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