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Wiring Diagram - GEM DG-250 Operation User's Manual

Digital keypad entry system

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5. Wiring diagram:

For DC use only
Note:
The suggested wire gauge is #22~26 AWG.
The door strike must have a vartistor or a diode across the door strike terminals to
suppress the back EMF of the strike - failure to do so will damage the relay contacts and
electronic components.
Egresses switch should be N.O. type.
REED contact input for anti-tailgating. The access control unit "REED" contact must be
applied to the electric locking devices with "Door status" monitor function (output
contact to detect the door egress status), and not suitable for the ones with "Lock status"
monitor function (Bond sensor to detect the lock is locked or unlocked)
Warranty:
The product is warranted against defects in material and workmanship while used in normal
service for a period of 1 year from the date of sale to the original customer .GEM policy is one
of continual development and improvement , therefore GEM reserves the right to change
specifications without notice.
Copyright © Gianni Industries, Inc. All Rights Reserved.
P-MU-DG250 Ver. B Published on 2007.09.20
For AC/DC
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