HID EDGE EWM-M Hi-O Wiegand module Installation Guide - Manual (Page 2)

Reader Module
EWM-M
82360-901 B.1
INSTALLATION GUIDE 2 ©2009 HID Global Corporation. All rights reserved.
Internal Optical Tamper Disable Jumpers
To disable the internal optical tamper sensor, attach a jumper wire from P3 pin 10 to P3 pin 5.
Note: If desiring an external tamper, wire an unsupervised Normally Closed contact, replacing the pre-installed
jumper.
Reader Tamper
The Reader Tamper + and - are implemented allowing a connection for an open collector external tamper from a reader, such
as iCLASS.
Note: Connect P3, Pin 2 (GND) from the Reader Interface Board to the same ground as the reader power, if the reader is not
powered by the units 12 VDC.