Keri Systems MR16in - Manual (Page 6)

Mercury Security Corporation © 2009 MR16in DOC 10107-0010 REV 2.01 Page 6
8. Specifications:
The processor is for use in low voltage, class 2 circuit only.
Primary power: 12 to 24Vdc ±10%, 350mA maximum
12Vdc @ 300mA nominal
24Vdc @ 220mA nominal
Outputs: 2 outputs, Form-C, 5A @ 28Vdc, resistive
Inputs: 16 unsupervised/supervised, standard EOL: 1k/1k ohm, 1%, 1/4 watt
2 unsupervised, dedicated for cabinet tamper and UPS fault monitoring
Communication: RS-485, 2-wire. 9600, 19200, 38400, or 115200 bps
Cable requirements:
Power: 18 AWG, 1 twisted pair
RS-485: 24AWG, 120 ohm impedance, twisted pair with shield, 4,000' (1,200m)
maximum
Alarm inputs: 1 twisted pair, 30 ohms maximum
Outputs: As required for the load
Mechanical:
Dimension: 6" (152mm)W x 8" (203mm)L x 1" (25.4mm)H
Weight: 9 oz. (250 g) nominal
Environmental:
Temperature: -55°C to +85°C, storage
0°C to +70°C, operating
Humidity: 0% to 95% RHNC
Warranty:
Mercury Security Corporation 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
Corporation 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 Corporation 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.
Returned units are repaired or replaced from a stock of reconditioned units. Returns must be accompanied by a
return authorization number (RMA) 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 Corporation
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 Corporation's liability does not extend beyond the purchase price of the
product.