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BR20 Magnetic Card Reader
Installation and Specifications
1. General:
The BR20 magnetic stripe card reader is designed for reading standard or high-coercivity magnetic stripe
cards. The BR20 also provides a 12-key keypad for PIN entry and provides a TTL interface. The
following paragraphs describe instructions for installing and maintaining the card reader. The BR20 does
not support the tamper switch option.
2. Mounting the Reader:
Find a suitable location to anchor the reader mounting bracket. The reader may be mounted vertically or
horizontally. See recommended orientation. The mounting of the reader does not require a junction box,
however, rigid conduit is required for outdoor application. A single gang junction box may be used to
provide a transition to rigid conduit. If a single gang junction box is used, a wall plate (optional) may be
used to cover the junction box. The reader is then secured to the mounting bracket using a screw. Refer
to figures for reader dimensions and typical junction box usage
plate, double gang wall plate, or weather shield the BR20 will not be centered. Two additional holes must
be drilled if the BR20 is to be centered.
3. Reader Wiring:
The reader has a RJ-11 modular jack for easy field connection. A short piece of pre-terminated cable is
supplied with each standard reader for field wiring. The pre-terminated cable has nonstandard color.
Refer to pin number if the pre-terminated cable is not used. Cable with wires of 24 AWG or larger are
recommended for field wiring.
4. Connecting the Keypad:
The BR20 provides a 12-key keypad for PIN entry. The flex tail of the keypad is connected to the electronic
board via a ZIF (zero insertion force) connector. The contacts are engaged/disengaged by a moving slide.
Be carefull when connecting and disconnecting the keypad. When connecting the keypad to the board,
open the slide as shown. Insert the electronics into the housing and insert flex tail in the ZIF connector.
Then, close the slide to engage the contacts. To disconnect the keypad, follow the previously described
steps in reverse.
CAUTION: DO NOT DISCONNECT KEYPAD WITHOUT DISENGAGING THE CONNECTOR!
COFIDENTIAL: For installation and maintenance use only. DONOT distribute.
Mercury Security © 2014
2355 MIRA MAR AVE. LONG BEACH, CA 90815-1755, (562)986-9105 FAX (562) 986-9205
BR20
DOC. 10107-0024
This device complies with part 15 of the FCC Rules. Operation
is subject to the following two conditions: (1) This device may
not cause harmful interference, and (2) this device must
accept any interference received, including interference that
may cause undesired operation.
.
If using the optional single gang wall
REV 2.02
www.mercury-security.com
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Summary of Contents for Mercury Security BR20
- Page 1 4. Connecting the Keypad: The BR20 provides a 12-key keypad for PIN entry. The flex tail of the keypad is connected to the electronic board via a ZIF (zero insertion force) connector. The contacts are engaged/disengaged by a moving slide.
- Page 2 This can be accomplished by tying the mounting bracket to earth ground locally (e.g. grounded conduit). 8. Dip Switch Settings: The DIP switches (S1 & S3) on the BR20 reader are used to select a preset format. This preset format determines how the card is interpreted, the functions for the LED and buzzer, and the output signal format, etc.
- Page 3 15** CLOCK/DATA 1-WIRE LED 9. BR20 Standard Format Code Summary: The following formats are supported in standard models (31012-8000). Unless otherwise indicated, the LED input line controls both LEDs (low=green, high=red); the BUZZER input controls the buzzer (low = activate); a good read is signaled by a flash of the green LED; a bad read is signaled by a flash of the red LED and a double beep of the buzzer.
- Page 4 400 us, clock pulse width 200 us typical data 1/data 0: period, 3 ms for Wiegand data, 1 ms for mag stripe data pulse width 50 us typical Mercury Security © 2014 BR20 DOC. 10107-0024 REV 2.02 Page 4...
- Page 5 Humidity: 5 to 100% RHNC Reader Mounting Dimensions: 1.30 [33] 0.15 [4] .75 [19] Ø .18 [4.5] Ø MOUNTING HOLE 3.30 [84] 2.60 [66] 1.00 [25] DIMENSION: INCH [mm] Mercury Security © 2014 BR20 DOC. 10107-0024 REV 2.02 Page 5...
- Page 6 Optional Weather Shield - part# WS-10 Warranty Mercury Security warrants the product is free from defects in material and workmanship under normal use and service with proper maintenance for two years from the date of factory shipment. Mercury Security assumes no responsibility for products damaged by improper handling or installation.
- Page 7 Mercury Security’s liability does not extend beyond the purchase price of the product. Mercury Security © 2014 BR20 DOC. 10107-0024 REV 2.02 Page 7...
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