RDR2S-A and I8O4 Hardware Installation Setup and Adjustments
24-10239-596 Rev. D
34
“Reader n Tamper”
Input Terminal n Input
Point 4
General Purpose Input
Can be calibrated to 2-
state or 4-state.
“Terminal n IN4”
General Purpose Input
Can be calibrated to 2-
state or 4-state.
“Panel Tamper”
Input Terminal 1 Input Point 5
General Purpose Input
Can be calibrated to 2-state or 4-state.
“Power Fail”
Input Terminal 1 Input Point 6
General Purpose Input
Can be calibrated to 2-state or 4-state.
Internal
“Panel Battery Low”
Input Terminal 1 Input Point 7
Internally derived, 2-state only input.
In alarm only if the “Power Fail” point is also in alarm and power
voltage has decreased more than 10% from either 12V or 24V (the
system detects 12 versus 24 nominal voltage automatically).
Note: For use only with 12VDC or 24VDC power supply.
If used, “Power Fail” must be wired to a power fail monitoring circuit.
1. Physical or legacy address mode.
2. Physical address mode only (CK721-A version 3.0 or higher, and CK722).
Table 7: RDR2S-A and I8O4 Input Points
Application-Specific Use
1
(RDR2S-A only)
General Purpose Use
2
(RDR2S-A with
I/O disassociation or I8O4)
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