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Table of Contents
USER’S MANUAL........................................................................................... 1
FIGURES.............................................................................................................................. 4
TABLES ............................................................................................................................... 4
1. CL4490 RF TRANSCEIVER....................................................................................... 5
1.1 OVERVIEW ........................................................................................................... 5
1.2 CL4490 SPECIFICATION....................................................................................... 6
1.3 CL4490 INTERFACE............................................................................................. 7
2. INTERFACING PROTOCOL .................................................................................. 10
1.4 RS-232 .............................................................................................................. 11
1.5 RS-485 (2-WIRE HALF DUPLEX)........................................................................ 12
1.6 HARDWARE FLOW CONTROL ............................................................................. 13
3. NETWORK TOPOLOGIES .................................................................................... 14
3.1 POINT-TO-POINT ...................................................................................................... 14
3.2 POINT-TO-MULTIPOINT............................................................................................ 14
4. CL4490/CN4490 CONFIGURATION UTILITY SOFTWARE ............................ 15
4.1 INSTALLATION ......................................................................................................... 15
4.2 CL4490/CN4490 SETTINGS..................................................................................... 15
4.2.1 CL4490 Settings............................................................................................... 16
4.2.2 CN4490 Settings............................................................................................... 19
5. TROUBLESHOOTING ............................................................................................ 22
Figures
Figure 1- RS-232/RS-485 CL4490 Front View............................................................ 7
Figure 2- RS-232 CL4490 Back View........................................................................... 8
Figure 3- RS-485 CL4490 Back View........................................................................... 8
Figure 4- CL4490 Mechanical Diagram........................................................................ 9
Figure 5- RS-232 Male/Female Connector Pin out .................................................. 11
Figure 6- DCE to DTE Interface................................................................................... 11
Figure 7- DCE to DCE Interface .................................................................................. 12
Figure 8- Point-to-Point Network ................................................................................. 14
Figure 9- Multiple Networks of Point-to-Multipoint CL4490s................................... 14
Tables
Table 1 – DTE, DCE and Null Modem Signal Definitions........................................ 10
10/3/2005 4