Mercury Security © 2015
MR51e
DOC 10107-0035
REV 1.06
Page 7
10. Specifications:
The interface is for use in low voltage, Class 2 circuits only.
Power Input:
PoE Power Input 12.95 W, compliant to IEEE 802.3af
– OR –
12 Vdc
10 %, 900 mA maximum
Power Output:
12 Vdc @ 650 mA maximum (reader and AUX outputs combined)
Reader (TB3) 12 Vdc (10.3 through 12.6) @ 180 mA maximum
AUX (TB5) 12 Vdc (10.7 through 13.0) @ 650 mA maximum
Note: For UL, the Power Sourcing Equipment (PSE) such as a PoE enabled network switch and/or PoE
power injectors must be UL Listed under UL294B.
Output:
Two relays, Form-C contacts rated at 5 A @ 30 Vac/dc
Inputs:
Four unsupervised/supervised, End of Line resistors, 1k/1k ohm, 1%, ¼ watt
standard
Reader Interface:
Power:
See Power Output above.
LED Output:
TTL compatible, high > 3 V, low < 0.5 V, 5 mA source/sink maximum
Buzzer Output:
Open collector, 12 Vdc open circuit maximum, 40 mA sink maximum
Data Inputs:
Reader port 1: TTL compatible, F/2F or 2-wire RS-485
Reader port 2: TTL compatible or F/2F
Cable Requirements:
Communication:
Ethernet, Category 5, minimum
Power:
1 twisted pair, 18 AWG
Alarm Inputs:
1 twisted pair per input, 30 ohm maximum
Reader data (TTL):
6-conductor, 18 AWG, 500 ft. (152 m) maximum
Reader data (F/2F)
4-conductor, 18 AWG, 500 ft. (152 m) maximum
Reader data (RS-485): 1 twisted pair with drain wire and shield, 24 AWG, 120 ohm impedance
2000 foot (610 m) maximum
Environment
:
Temperature:
-55 to +85
C, storage
0 to +70
C, operating
Humidity:
5 to 95 % RHNC
Mechanical:
Dimension:
5.5 in. (140 mm) W x 2.75 in. (70 mm) L x 0.96 in. (24 mm) H without bracket
5.5 in. (140 mm) W x 3.63 in. (92 mm) L x 1.33 in. (34 mm) H with bracket
Weight:
4.2 oz. (120 g) without bracket
5.3 oz. (150 g) with bracket
