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OWNER’S MANUAL
Please read before using this equipment.
Deluxe Automatic
Fax/Data Switch
Cat. No. 43-1245
AFX-300
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INTRODUCTION
Your Radio Shack AFX-300 Deluxe Automatic Fax/Data
Switch lets you use your telephone, an answering machine, a
fax machine/fax modem, and a data modem all on the same
telephone line, eliminati ng the need and extra expense of two
phone lines. When a call comes in, you can either answer it
yourself, l et your ans wering machi ne answer it, or le t the AFX300 answer it . If t he AFX-300 hears t ones from a f ax mach ine/
fax modem, i t directs the call to your fax machine/fax mod em .
If a call comes in fr om a dat a modem, the AFX-3 00 di rects the
call to your data modem. If the call is a regular voice call, you
can carry on a normal conversation, or let the answering machine record the caller’s message as usual.
The AFX-300 also includes several special features that let
you customize i ts operation ba sed on your ne eds. Using ei ther
a remote touch-tone phone or one on the same line as the
AFX-300, you can adjust the number of rings before it answers, route data modem calls to its fax jack, and more (see
the “Special Features” section of this owners manual).
Your AFX-300 is eas y to ins tall . It connect s t o an exis ting t elephone jack and requires no special wiring. The AFX-300
works with most single and multi-line non-KSU (key system
unit) telephones, and even has built-in features that are designed to work with distinctive ringing services provided by
most phone compani es. The AFX-300 is also compatible with
most telephone answering machines, fax machines, and fax
or fax/data modems.
Radio Shack is a registered trademark used by Tandy Corporation.
All Rights Reserved.
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This fax/d ata swi tch has been tested and found t o co mply wit h
applicable UL and FCC standards.
Warning: To prevent fire or shock hazard, do not expose this
product to rain or moisture.
CAUTION
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
!
CAUTION
ELECTRIC SHOCK, DO NOT REMOVE
COVER OR BACK. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
This symbol is intended to alert you to the presence of uninsulated dangerous voltage within the product’s enclosure that migh t b e o f s uf f ic ie nt m agnitude to cons t i tute a
risk of electric shock. Do not open the product’s case.
This symbol is intended to inform you that important operating and maintenance instructions are included in the
!
literature accompanying this product.
: TO REDUCE THE RISK OF
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READ THIS BEFORE INST ALLING
Each device that you connect to the phone line draws power
from the phone line. We refer to this power draw as the device’s ringer equival en ce number, or REN. The REN is shown
on the bottom of your AFX-300.
If you are using more than one device on the line, add up all
the RENs. If the total is more than five, your phone might not
ring and your answering machine might not answer. In rural
areas, a total REN of three might impair ringer operation. If
ringer operation is impaired, remove a device from the line.
Your AFX-300 complies with Par t 6 8 of
upon request, provide the FCC registration number and the
REN to your p hone compan y. Bot h nu mbers ar e s hown o n the
bottom of your AFX-300.
You must not connect your AFX-300 to:
• Coin-operated systems
• Party-li ne systems
• Most electroni c key phone systems
The AFX-300 is not compatibl e wit h:
• Voice mail serv ic es
• Call forwarding services
• Call wa iti ng services
• Fax machines or modems that have a REN greater than
2.0B.
4
FCC Rules
. You must ,
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Questions and Answers ................................................. 40
Care and Maintenance .................................................... 43
If You Have Problems .................................................. 44
The FCC Wants You to Know ...................................... 45
Lightn in g ............ ... ......... .......... ... ......... .......... ... ......... .. 45
6
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INSTALLATION
Caution
this order, otherwise the AFX-300 might not operate as expected:
Note
it fro m AC power, unp lug all mo dular connections, remove the
backup batteries, then follow all installation procedures in the
order they appear (beginning with “Installing Back-Up Batteries”).
: Be sure to perform the procedures in this section in
1. Install batteries
2. Connect to the phone line
3. Connect your TAD, fax machine/fax modem, and/or data
modem
4. Initiali ze the AFX-300 and connect it to AC power
: If the AFX-300’s operation becomes erratic, disc onnect
INSTALLING BACK-UP BATTERIES
Your AFX-300 requires two butt on-cell batter ies (supplied) for
memory backup in case AC power is disconnected or fails.
1
2
OPEN
BATTERY-2X LR 44 TYPE
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Follow these steps to install the batteries.
1. Remove the battery compartment screw with a small
Phillips screwdriver, then remove the cover by sliding it in
the direction of the arrow.
2. Insert the batteries into the compartment with the positive (+) sides facing up. The POWER/IN USE indicator
turns on.
3. Replace the cover, then reinsert and tighten the screw.
Notes:
• The AFX-300’s POWER/IN USE indicator flashes slowly
during normal use. If it fla shes rapidly, replace the batteries. For the longest life, we recommend alkaline batteries, such as Radio Shac k Cat. No. 23-115.
Warning: Promptly dispose of old batteries and keep
them out of reach of young children. Swallowing a button
cell battery can be fatal.
• Before you replace the back-up batteries, you must disconnect the AFX-300 from AC power and unplug all
modular phone co rds.
• Disconnecting AC power while t he batteries are removed
resets the AFX-300’s features to their default settings
(see “Special Features” on Page 26).
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MAKING THE CONNECTIONS
Follow these steps to connect the AFX-300 to the phone line
and your answer i ng mac hine ( TAD), f ax ma chine, fax mod em,
and/or data modem.
1. Plug one end of the AFX-300’s modular cord into its
jack, and plug the other end into your modular telephone
line jack.
LINE
MODEMFAXLINE
Notes
:
TAD
DC 12V
• If your telephone line does not have a modular jack,
you must update the wiring. You can convert the wiring yourself, using jacks and adapters available at
your local Radio Shack store, or you can have the
telephone company update the wiring for you. The
telephone company will charg e y o u fo r th e in stallatio n
of the necessary jacks. The USOC number of the jack
to be installed is RJ11C (or RJ11W for a wall plate
jack).
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• If you have two phone lines and you want to connect
the AFX-300 to the second line, you must install a triplex modular adapter, such as Radio Shack Cat. No.
279-469, and connect the AFX-300 to L2. Follow the
installation instructions provided with the adapter.
• You can mount the AFX-300 on a standard modular
wall plate or directly on a wall using two screws (not
supplied), then connect the AFX-300 to the telephone
line using a short modular cord (not supplied).
RESET
OPEN
Mount ing on a Wall Plate
Mounting Directly on a Wall
2. To connect a fax machine, fax modem, or fax/data
modem, plug its modular plug into the AFX-300’s
jack.
10
FAX
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LINEMODEM
FAX
TAD
Notes:
• If you connected a fax/data modem (one that receives
both fax
route data modem calls to the
and
data calls), be sure to set the AFX-300 to
jack (see “Special
FAX
Features” on Page26).
• To ensure optimum compatibility with the AFX-300
and avoid disconnected fax calls due to lengthy connection time:
— Set the connected fax machine/fax modem’s ring
number feature to its minimum setting (typically 1
ring).
— If the connected fax machine/fax modem has a
delayed ring (or answer) feature, turn it off or set
it to the minimum delay setting.
3. To connect a TAD to the AFX-300, plug the TAD’s modular plug into the AFX-300’s
jack. Also, see “Prepar-
TAD
ing a TAD for Use with the AFX-300” on Page 15.
DC 12V
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MODEM
LINE
FAX
TAD
DC 12V
Notes:
• If you connect a TAD to the AFX-300, you can connect
your telephone to the phone jack on the TAD.
• If you do not connect a TAD to the AFX-300’s
TAD
jack, you can connect your telephone’s modular plug
directly to this jack.
• If you installed a triplex adapter, plug your TAD’s or
telephone’s modular cord into the adapter’s L1/L2
jack.
4. To connect a data modem to the AFX-300, plug the
modem’s modular plug into the AFX-300’ s
Note: If you connected both a TAD
and
a data modem to
MODEM
jack.
the AFX-300, and do not subscribe to second number
distinctive ring service from your telephone company, be
sure to turn on the automatic modem detection feature
(see “Special Features” on Page 26). Otherwise, the
AFX-300 will not swit ch data modem calls properly.
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INITIALIZING THE AFX-300/
CONNECTING TO POWER
Follow these steps to initialize the AFX-300 and connect it to
AC power.
Cautions
:
• Be sure you install the batteries then connect all of the
modular jacks
• You must follow
before
you connect the AFX-300 to power.
all
of these steps,
in order
, to initi alize
your AFX-300; otherwise, it might not detect when the
batteries are low.
MODEM
1
LINE
FAX
TAD
DC 12V
AC
ADAPTER
2
1. Plug the supplied adapter’s barrel plug into the AFX-
DC 12V
300’s
jack.
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2. Plug the adapter’s other end into a standard 120-volt AC
power outlet.
Caution: You must use a Class II, 120V AC/12V DC
adapter that delivers at least 400 milliamps. Its center tip
must be set to negative and its plug must correctly fit the
AFX-300’s
DC 12V
jack. The supplied adapter meets
these requir ements. Usi ng an adapter that does not meet
these requirements could damage the AFX-300 or the
adapter.
3. Wait about 10 seconds, then unplug the adapter’s barrel
plug from the AFX-300’s
DC 12V
jack.
4. Wait anot her 10 seconds, then reconnect the adapter’s
barrel plug to the AFX-300’s
DC 12V
jack.
5. Route the AC adapter cord through the AFX-300’s strain
relief slot.
14
RESET
OPEN
AC
ADAPTER
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PREPARING A TAD FOR USE WITH
THE AFX-300
Setting the TAD’s Ring Number
The AFX-300 is preset to direct a call to either the
DEM
jack after five rings. When you use a TAD with the AFX300, be sure the TAD is set to answer within four rings. If it is
not, eith er change the ri ng num ber on t he TAD to 4, or change
the ring nu mber on the AF X-300 t o at least one num ber hi gher
than the TAD’s ring number (see “Special Features” on
Page 26).
Changing the Outgoing Message
Some fax machines/fax modems do not sound the tones required to make the AFX-300 automatically switch the call and
start your fax machine/fax modem (see “Switching Fax Calls
Manually” on Page 24). If you connected a TAD to the AFX300, we recom mend you cha nge the TAD’s outgoing mess age
to include i nstr uctio ns f or call ers wi th that type of f ax mach ine/
fax modem, or for those callers who might want to both leave
a voice message and sen d a fax during the call.
FAX
or
MO-
15
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