HID Global CX-8525 Users manual
EM Reader Installation and Operation Guide
1.0 Overview
1.1 Introduction
The EM Reader is designed to read and report EM compatible 4000 and 4100 series “read only”
credentials in 26 bit Wiegand format. The reader supports credentials programmed in either F/32 or
F/64 data rates and data coded as Manchester. A bi-color LED and beeper provide visual and audible
confirmation of power and data delivery to the host.
1.2 Unpacking and Identifying Supplied Parts
Unpack the contents and become familiar with the components. The following items will be included with
the EM readers:
1. Installation guide
2. EM Reader
3. Housing label cover
2.0 Installation
2.1 Mechanical Installation
2.1.1 Mounting
EM readers mount to a door frame by drilling two holes sized for 6-32, or M-3 sheet metal or threadforming screws 4.92” (125mm) separation. Locate and drill a 0.375” (0.95 cm) hole for the reader cable.
See drawing below for details.
Route the cable through the center hole to the controller. Using the two 6-32 or M-3 screws attach the
reader to the two mounting holes.
K02008-001 REV. A
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2.2 Power Supply Cable Types and Maximum Lengths
The EM Reader requires a minimum voltage of 8.0 VDC. Voltage drops caused by the cable resistance,
can be made up by increasing the power supply voltage (DO NOT SET THE POWER SUPPLY
VOLTAGE TO HIGHER THAN 14 VDC). The following are the recommended cable types and maximum
cable lengths for cable connecting the power supply to the reader (DO NOT USE CABLES WITH
GAUGES SMALLER THAN 24 AWG):
24 AWG (0.60mm), three conductors, with an
overall foil shield, Belden 9533 or equivalent.
22 AWG (0.80mm), two conductors, with an overall
foil shield, Alpha 5192 or equivalent.
18 AWG (1.20mm), two conductors, with an overall
foil shield, Alpha 5836 or equivalent.
Readers
Cable Type
Cable Length
Power Supply
Maximum Cable Length
200’ (61 m)
300’ (91 m)
500’ (152 m)
2.2.1 Reader to Host Interface Wire Types and Lengths
Refer to the table below to determine the recommended wiring type at various maximum distances.
Variation in distance requires different wire gauges, Because of system data termination differences,
contact your system manufacturer for its exact requirements, Installation to be in accordance with
National Electric Code ANSI/NFPA 70.
22 AWG (0.80mm), six or eight conductor, with an
overall foil shield, Alpha 5196, 5198 or equivalent.
18 AWG (1.20mm), six or eight conductor, with an
overall foil shield, Alpha 5386, 5388 or equivalent.
Readers
Cable Type
Cable Length
Power Supply
Maximum Cable Length
500’(152 m)
500’ (152m)
K02008-001 REV. A
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