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49-537.fm Page 1 Thursday, August 19, 1999 9:16 AM OWNER’S MANUAL DIGITAL KEY SWITCH Please read before using this equipment. 49-537 Cat. No.
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49-537.fm Page 2 Thursday, August 19, 1999 9:16 AM INTRODUCTION Your Radio Shack Digital Key Switch is a high- quality, UL-approved security keypad that connects to your alarm system and eliminates the need for a key to arm and disarm your alarm. Instead, you simply enter your personally selected four-digit code.
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49-537.fm Page 3 Thursday, August 19, 1999 9:16 AM Panic Circuit —lets you quickly trigger the alarm from the keypad. Built-in Tamper Switch— sounds the alarm if someone tries to remove or damage the switch. Wrong Number Lockout —makes you wait 10...
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49-537.fm Page 4 Thursday, August 19, 1999 9:16 AM CONTENTS Will fix...
49-537.fm Page 5 Thursday, August 19, 1999 9:16 AM READ THIS FIRST Properly connecting and installing the keypad requires careful planning before you begin. Read this entire manual and plan your installation before continuing. This manual includes specific connection drawings for Radio Shack alarm systems as well as general information for use with other security devices.
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49-537.fm Page 6 Thursday, August 19, 1999 9:16 AM • What other hardware and tools do you need? — you should mount the keypad in a standard single-gang electrical box (the kind used for single wall switches and AC outlets).
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49-537.fm Page 7 Thursday, August 19, 1999 9:16 AM CONNECTIONS This section gives basic guidelines for connecting the wires from your alarm system to the keypad. If you are using a Radio Shack alarm system, see the separate wiring diagrams for the exact connec- tions.
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49-537.fm Page 8 Thursday, August 19, 1999 9:16 AM (Normally Open) Terminals —these REMOTE N.O. terminals connect to your alarm system’s remote arm/disarm terminals. They provide the switch clo- sure needed to arm and disarm the alarm. Note: Some systems require connection to nor- mally closed remote arm/disarm terminals.
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49-537.fm Page 9 Thursday, August 19, 1999 9:16 AM Terminals (+/–)—these terminals con- ARM LED nect to the alarm’s remote arm indicator terminals. Follow the marked polarity (+ and –) to make the connection. When power is applied to these termi-...
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49-537.fm Page 10 Thursday, August 19, 1999 9:16 AM Terminals— these terminals connect to LOOP LED your alarm system’s remote loop indicator termi- nals. Follow the marked polarity (+ and –). When power is applied to these terminals, the green LOOP indicator turns on.
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49-537.fm Page 11 Thursday, August 19, 1999 9:16 AM HOW AND WHEN TO USE THE JUMPER The keypad has a three-terminal jumper connected to the positive (+) side of the , and LOOP terminals. If your system uses a common...
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49-537.fm Page 12 Thursday, August 19, 1999 9:16 AM If your system has common negative (–) connec- tions for its indicators, move the jumper to the neg- ative , and terminals and make LOOP POWER connections similar to the drawing below.
49-537.fm Page 13 Thursday, August 19, 1999 9:16 AM INSTALLATION Installation Hints: • Before installing the keypad, temporarily con- nect the alarm and the keypad terminals to con- firm proper operation. If you have problems, see “Problem Solving.” • Install the switch indoors away from dust, dirt, and temperature or humidity extremes.
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49-537.fm Page 14 Thursday, August 19, 1999 9:16 AM 5. Connect the wires to the keypad terminals. If connecting to a Radio Shack system, refer to the supplied wiring diagrams. Otherwise, refer to “Connections.” To make a connection: a. Loosen the keypad’s screw terminal.
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49-537.fm Page 15 Thursday, August 19, 1999 9:16 AM • When set to , the keypad shorts the remote terminals for 2 seconds when you enter the code. Use this setting if the original arm/disarm switch is a spring-loaded type, normally-open switch that has a momentary contact.
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49-537.fm Page 16 Thursday, August 19, 1999 9:16 AM 8. Secure the keypad to the box using two screws. Then replace the keypad’s front cover and secure it with the screw you removed in Step 7. 9. Connect the other end of the wires to the appropriate terminals on your alarm system.
49-537.fm Page 17 Thursday, August 19, 1999 9:16 AM OPERATION AND TESTING SETTING THE SECURITY CODE When you first connect power to the keypad, and any time after the keypad loses power, it uses the preset factory security code (1 2 3 4). Follow these steps to set your own security code.
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49-537.fm Page 18 Thursday, August 19, 1999 9:16 AM • If you make an error when entering your new code, press # to clear the incorrect entry and repeat this step. 5. Press Q to store the new code. Note: If you forget the code number, temporarily disconnect power from the keypad.
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49-537.fm Page 19 Thursday, August 19, 1999 9:16 AM ARMING/DISARMING THE ALARM To arm the system, enter your code. If you con- nected the keypad to your system’s remote arm indicator terminals, the ARM indicator should light. Note: If the ARM indicator lights when the system...
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49-537.fm Page 20 Thursday, August 19, 1999 9:16 AM • If the keypad does not respond to your code, there might have been a power failure while you were away or there might be a loose, intermit- tent connection at the terminals.
49-537.fm Page 21 Thursday, August 19, 1999 9:16 AM PANIC CIRCUIT If you connected the keypad’s PANIC terminals to a 24-hour panic/tamper loop on your alarm system, pressing # and Q at the same time trips the alarm, whether or not the system is armed.
49-537.fm Page 22 Thursday, August 19, 1999 9:16 AM PROBLEM SOLVING If you have problems, these suggestions might help. Keypad does not arm or disarm your system. • Be sure all connections are correct. • Check for the proper setting of LATCH IN/OUT •...
49-537.fm Page 23 Thursday, August 19, 1999 9:16 AM SPECIFICATIONS ELECTRICAL Power Requirements ... 10 to 18V DC Power Consumption ..10 mA @ 16VDC...
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Radio Shack Authorized Service Facility, or transportation costs. Radio Shack is not responsible or liable for indirect, special, or consequential damages arising out of or in connection with the...