Mercury Security © 2015
EP1502
DOC 10107-0031
REV 1.06
Page 8
Reader Interface:
Power:
12 Vdc ± 10 % regulated, 180 mA maximum each reader
(jumper selectable)
(input voltage (VIN) must be greater than 20 Vdc)
or
12 to 24 Vdc ± 10 % (input voltage passed through), 180 mA maximum each
reader
Data Inputs:
TTL compatible, F/2F or 2-wire RS-485
LED Output:
TTL levels, 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
Cable requirements:
Power:
1 twisted pair, 18 AWG
Ethernet:
CAT-5, minimum
RS-485:
(I/O Device Port): 1 twisted pair with drain wire and shield, 24 AWG, 4,000 ft. (1,219 m) max.
(Reader Port):
1 twisted pair with drain wire and shield, 24 AWG, 2,000 ft. (610 m) max.
RS-232:
3 or 5-conductor, 24 AWG, 25 ft. (7.6 m) maximum
Alarm Input:
1 twisted pair, 30 ohms maximum
Mechanical:
Dimension:
8 in. (203.2 mm) W x 6 in. (152.4 mm) L x 1 in. (25 mm) H
Weight:
9 oz. (255 g) nominal, board only
Environmental:
Temperature:
-55 to +85 °C, storage
0 to +70 °C, operating
Humidity:
5 to 95 % RHNC
Warranty
Mercury Security warrants the product is free from defects in material and workmanship under normal use
and service with proper maintenance for one year from the date of factory shipment. Mercury Security
assumes no responsibility for products damaged by improper handling or installation. This warranty is
limited to the repair or replacement of the defective unit.
There are no expressed warranties other than set forth herein. Mercury Security does not make, nor
intends, nor does it authorize any agent or representative to make any other warranties, or implied
warranties, and expressly excludes and disclaims all implied warranties of merchantability or fitness for a
particular purpose.
Returns must be accompanied by a Return Material Authorization (RMA) number obtained from customer
service, and prepaid postage and insurance.
Liability
The Interface should only be used to control exits from areas where an alternative method for exit is
available. This product is not intended for, nor is rated for operation in life-critical control applications.
Mercury Security is not liable under any circumstances for loss or damage caused by or partially caused
by the misapplication or malfunction of the product.
Mercury Security’s liability does not extend beyond the
purchase price of the product.
