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Type
Input interfaces
4
PF
5
6
TM
7
Obtaining Documentation and Submitting a Service Request
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http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
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14
Description
Ten input interfaces used to sense the contact closure. Each input can be configured as
supervised or unsupervised and can be configured to sense a Normally Open (NO) or
Normally Closed (NC) contact.
• An unsupervised input senses a simple contact closure state, including Normal or Alarm.
When connected to open contacts, the terminal voltage range is 4V to 5V. For closed
contacts, the voltage range is 0V to 0.7V.
• A supervised input senses four contact states, including Normal, Alarm, Open and
Short. These inputs require 1K End-Of-Line (EOL) termination resistors installed at the
contacts (two resistors are included in the accessory kits for each Input port). Refer to
the
Cisco Physical Access Gateway User Guide
termination resistors.
Power fail input: an unsupervised input that raises a "power fail" alarm when the circuit is
open. Can be configured as an additional unsupervised port. An unsupervised input indicates
only normal or alarm. The corresponding LED is red when circuit is open (when no input is
connected).
Tamper input: an unsupervised input that raises a "tamper" alarm when the circuit is open.
Can be configured as an additional unsupervised port. An unsupervised input indicates only
normal or alarm. The corresponding LED is red when circuit is open (when no input is
connected).
for instructions on installing the
78-18554-05
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