Introduction CK721-A Installation and Operation
1-4 24-10349-8 Rev. B
This document contains confidential and proprietary information of Johnson Controls, Inc.
© 2012 Johnson Controls, Inc.
GENERAL DESCRIPTION
All CK721-A panels are connected via a 10/100Base-T Ethernet network to the P2000
system. The CK721-A is intended to be mounted in an S300-DIN enclosure (large or small).
Each model has a total capacity 200,000 cards and a 8000 off-line transaction base memory.
NOTE
When the number of badges exceeds 120,000, the number of access
groups should be limited to 50,000.
CK721-A panels are connected via standard 10/100Base-T cabling and 10/100Base-T hubs.
The CK721-A is programmed and monitored via the P2000. The CK721-A provides its own
user interface through the serial connection located on the CK721-A. This interface
facilitates the initial setup, as well as commissioning and troubleshooting.
The CK721-A is an advanced, intel
ligent controller. You can add modules to connect
readers, monitor 2 or 4-state input points, and add output relays to perform manual or
automatic control functions. In addition, input points can be linked to output relays.
Communication between the CK721-A and the modules is accomplished via RS-485 per
Cardkey implementation. The CK721-A uses the following modules:
 Legacy S300 modules (RDR2S, S300-RDR2, S300-I16, S300-IO8, S300-SIO8,
S300-SI8)
 RDR2SA
 I8O4
 RDR8S
 I32O16
CK721-A does not support the Dial-Up feature.
NOTE
CK721-A version 3.0 and higher does not support MTI-STI-MUX with STI
and STI-E.
CK721-A Module
Table 1-1: CK721-A
Model Number Description
CK721-A A CK721-A module. Total storage capacity: 200,000 cards
an
d 8000 off-line transactions.
Note: Whe
n the number of badges exceeds 120,000,
the number of access groups should be limited to 50,000.
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