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AY-x20 Family 

Multi-format Proximity Readers 

Installation Manual

 

1.

 

Introduction 

The AY-x20 is a family of RFID proximity card readers to be installed for 

use with access control systems. The AY-x20 family reads the proximity 
card and transmits its data to the access control system, using common 

multi-format Wiegand outputs. 

1.1

 

Key Features 

 

Selectable Wiegand 26-Bit, Clock & Data, or Serial RS-232 

 

Reads 26-Bit EM or Rosslare format cards 

 

Waterproof 

 

Green LED control line 

 

Red LED control line 

 

Buzzer control line 

 

Hold control line 

 

Optical tamper sensor 

 

Tamper output line 

 

UV-protected polycarbonate housing 

Figure 1: AY-x20 Family 

 

 

2.

 

Technical Specifications 

2.1

 

Electrical Characteristics 

Specifications  AY-M20  AY-J20  AY-H20  AY-L20  AY-K20 

Power Supply 
Type 

Linear type (recommended) 

Operating 
Voltage Range* 

5–16 VDC 

Absolute 
Maximum (non-
operating) 

18 VDC 

Current @ 12V 

Standby: 35 mA 

Maximum: 55 mA 

Read Range** 

10 cm 

(3.94 in.) 

12 cm 

(4.72 in.) 

8 cm 

(3.15 in.) 

LED Control Input 

Dry Contact, N.O. 

Tamper Output 

Open collector, active low, max. sink current 16 mA 

Maximum Cable 
Distance to 
Controller 

150 m (500 ft) 

RF Modulation 

ASK, 125 KHz 

Bit Rate 

106 KHz 

* All input voltages should be limited to 1 A maximum. For VAC, the 

voltage range is peak-to-peak.

 

** Measured using a Rosslare proximity card or equivalent. Range also 

depends on electrical environment and proximity to metal. 

2.2

 

7B

Environmental Characteristics 

Specifications  AY-M20  AY-J20  AY-H20  AY-L20  AY-K20 

Operating Temp. 
Range 

-31°C to 63°C (-25°F to 145°F) 

Operating 
Humidity Range 

0 to 95% (non-condensing) 

2.3

 

8B

Physical Characteristics 

Model  

Dimensions  

(H x W x D) 

Weight  

AY-M20 

88.91 x 88.91 x 15 mm 

(3.50 x 3.50 x 0.59 in.) 

109 g 

(3.85 oz.) 

AY-J20 

119.95 x 41.95 x 14 mm 

(4.72 x 1.65 x 0.55 in.) 

88.5 g 

(3.12 oz.) 

AY-H20 

109.91 x 74.91 x 15 mm 

(4.33 x 2.95 x 0.59 in.) 

100 g 

(3.53 oz) 

AY-L20 

144.91 x 42.91 x 20 mm 

(5.71 x 1.69 x 0.79 in.) 

116 g 

(4.09 oz) 

AY-K20 

79.91 x 39.91 x 12.8 mm 

(3.15 x 1.57 x 0.50 in.) 

70.5 g 

(2.49 oz) 

AY-M20 

AY-H20 

AY-L20  AY-J20  AY-K20 

Summary of Contents for AY-x20 Series

Page 1: ...mum 55 mA Read Range 10 cm 3 94 in 12 cm 4 72 in 8 cm 3 15 in LED Control Input Dry Contact N O Tamper Output Open collector active low max sink current 16 mA Maximum Cable Distance to Controller 150 m 500 ft RF Modulation ASK 125 KHz Bit Rate 106 KHz All input voltages should be limited to 1 A maximum For VAC the voltage range is peak to peak Measured using a Rosslare proximity card or equivalent...

Page 2: ...m 10 Prepare the controller cable by cutting its jacket back 3 cm 1 and strip the insulation from the wires about 1 2 cm 11 Splice the reader s pigtail wires to the corresponding controller wires as indicated in Table 1 and cover each joint with insulating tape Table 1 Wiring Wire Color Wiegand 26 Bit Output Mode Clock Data Output Mode Serial RS 232 Output Mode Red DC DC DC Black Ground Ground Gro...

Page 3: ...wire is grounded the LED is red When both the brown and orange wires are grounded the LED is amber 5 4 Buzzer Control If the buzzer control wire yellow is not used open the buzzer beeps only when a card is read successfully The buzzer can also be controlled using the yellow wire When the yellow wire is grounded the buzzer sounds 5 5 Hold Control The reading of cards can be disabled using the hold ...

Page 4: ...rope Rosslare Israel Ltd Rosh HaAyin Israel Tel 972 3 938 6838 Fax 972 3 938 6830 support eu rosslaresecurity com Latin America Rosslare Latin America Buenos Aires Argentina Tel 54 11 4001 3104 support la rosslaresecurity com China Rosslare Electronics Shenzhen Ltd Shenzhen China Tel 86 755 8610 6842 Fax 86 755 8610 6101 support cn rosslaresecurity com Asia Pacific Middle East Africa Rosslare Ente...

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