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February, 2019
eMAX-LP4502-Man
Page 14 of 20
Reader data (RS-485): 1 twisted pair, shielded. 24 AWG, 120 ohm impedance, 2,000 feet
(610 m) maximum
RS-485 I/O Devices:
1 twisted pair, shield. 120 ohm impedance, 24 AWG, 4,000 ft. (1,219 m)
maximum
Alarm Input:
1 twisted pair, 30 ohms maximum, typically 22 AWG @ 1000 ft. (304.8
m)
Environmental:
Temperature:
-55 to +85 °C, storage
0 to +70 °C, operating
Humidity:
5 to 95 % RHNC
Mechanical:
Dimension:
8 in. (203.2 mm) W x 6 in. (152.4 mm) L x 1 in. (25 mm) H
Weight:
10.65 oz. (302 g) nominal, board only
UL294, 6
th
edition Performance Levels:
Feature
Level
Standby Power
I
Endurance
IV
Line Security
I
Destructive Attack
I
These specifications are subject to change without notice.