T217
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Product Information Guide
EXTERNAL ALERT
The Wheelock DCI-48-48 is an interface unit for powering 48 V DC telephone bells, chimes,
horns, strobes, and other external alerts for electronic key systems. The 6-position modular
INPUT connects to the control unit ALERT jack while the 6-position OUTPUT connects to the
alert device.
The DCI-48-48 should be wall-mounted within seven feet of the control unit and within six
feet of the AC outlet. This unit should use the same AC duplex outlet as the control unit, to
ensure that the ground wire is common to both units.
AT&T – PROPRIETARY
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