NetAXS Access Control Unit NX4S1 Installation Guide, Document 800-00008, Revision A  iii
CONTENTS
NetAXS™ NX4S1 Installation
1.0  Notices.................................................................................................................................................   1
 1.1  Warnings and Cautions...................................................................................................   1
 1.2  Product Liability, Mutual Indemnification .....................................................................  2
 1.3  Limited Warranty............................................................................................................  2
 1.4  Federal Communications Commission...........................................................................  3
 1.5  Industry Canada ..............................................................................................................   3
 1.6  Underwriters Laboratories Incorporated.........................................................................   4
2.0  Introduction
.........................................................................................................................................   5
 2.1  Access Control Overview ...............................................................................................  5
 2.2  NetAXS™ Access Overview..........................................................................................  5
3.0  Panel Components and Descriptions
...............................................................................................   6
 3.1  NetAXS™ Access Control Unit .....................................................................................  7
 Real-Time Clock Protection ...........................................................................................  7
 Memory Protection .........................................................................................................  7
 Reader and AUX Power .................................................................................................   7
 3.2  Power Supply..................................................................................................................  8
 3.3  Battery.............................................................................................................................   8
 3.4  Enclosure ........................................................................................................................   8
 3.5  Suppressors .....................................................................................................................   8
4.0  Installation
...........................................................................................................................................   9
 4.1  Cabinet Mounting .........................................................................................................   10
 4.2  Reader Wiring...............................................................................................................   14
 4.3  Supervised Input Wiring...............................................................................................   14
 4.4  NX4S1 Control Output Wiring.....................................................................................   16
 4.5  Communications ...........................................................................................................  16
 RS-232 Communications  .............................................................................................  16
 RS-485 Communications  .............................................................................................  18
 Ethernet TCP/IP Communications  ...............................................................................   19
 4.6  DIP Switch Settings ......................................................................................................  21
 4.7  Jumper Settings.............................................................................................................   23
 4.8  Downstream I/O............................................................................................................  23