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Industrial 900MHz ConnexLink
11160 THOMPSON AVE
LENEXA, KS 66219
Document Information Copyright © 2004 AEROCOMM, Inc. All rights reserved. Copyright The information contained in this manual and the accompanying Information software programs are copyrighted and all rights are reserved by AEROCOMM, Inc. AEROCOMM, Inc. reserves the right to make periodic modifications of this product without obligation to notify any person or entity of such revision. Copying, duplicating, selling, or otherwise distributing any part of this product without the prior c
FCC Information FCC Notice WARNING: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference and (2) This device must accept any interference received, including interference that may cause undesired operation. RF Exposure/Installation Instructions WARNING: To satisfy FCC RF exposure requirements for mobile transmitting devices, this equipment must be professionally installed such tha
Table of Contents USER’S MANUAL........................................................................................... 1 FIGURES.............................................................................................................................. 4 TABLES ............................................................................................................................... 4 1. CL4490 RF TRANSCEIVER..........................................................................
CL4490 User’s Manual 1. CL4490 RF Transceiver The CL4490 transceiver is a Frequency-Hopping Spread Spectrum (FHSS) radio designed for license-free operation in the 900MHz ISM band. Out-of-the box, the radio sustains a standard asynchronous serial data stream between two or more radios. Housed in a compact and rugged die-cast enclosure, the radio is equipped to replace thousands of meters of serial cable with its wireless link. The radio features an RS-232 or RS-485 interface for integrat
CL4490 User’s Manual 1.2 CL4490 Specification Specifications CL4490 - 1000 TRANSCEIVER PERFORMANCE Output power 1000mW Transmission range Up to 1500 feet (450m) indoors; Up to 20 miles (32 km) line-of-sight Data rate Up to 115.2 Kbps RF Data Rate 76.8kbps fixed Receiver Sensitivity -100dBm typical @ 76.8kbps RF Data Rate Power Consumption (@ 12 Vdc) 400mA Configuration software Easy-to-use Windows based software NETWORKING AND SECURITY Frequency band, RF Technology 902 – 928, FHS
CL4490 User’s Manual 1.3 CL4490 Interface The CL4490 supports RS-232/RS-485 (2-wire Half Duplex) protocols. By definition, RS-485 protocol can tolerate high noise and push signals over long cable lengths. When using cables, RS-485 will communicate as far as 4000feet (1200m) and offer multi-drop capability where up to 32 nodes may be connected. RS-232 cables are suitable for distances less than 100 feet (30.5m). AeroComm wireless solutions are not subject to the cabling restrictions f
CL4490 User’s Manual RS-232 Pin Assignments Figure 2- RS-232 CL4490 Back View DB9 Male Connector Power Connector Pin Description NC DCD 2 TxD 15 3 RxD 4 DSR 69 5 GND 6 DTR 7 CTS 8 RTS NC RI RS-485 (2-wire Half Duplex) Terminal Block Pin Assignments Figure 3- RS-485 CL4490 Back View Terminal Block Power Connector Pin Description 1 VCC (6V-18V)(1.3 A 2 485- (485B) 3 No Connect 4 No Connect 16 5 485+ (485A) 6 GND Note: Standard power is applied through the power co
CL4490 User’s Manual CL4490 Mechanical Diagram Figure 4- CL4490 Mechanical Diagram 1.170 Antenna Connector SMA Jack, Reverse Polarity 0.536 0.538 0.060 0.000 Side View Label Recess, 3.5w x 2.0h 0.150 dia. mounting holes 2.750 (4) places 2.375 2.000 9 Pin Male D-Connector Status LEDs Power Jack w/ 0.100 dia. pin and 0.250 opening, pin is PWR. 0.375 0.000 Top View Note: All dimension in inches unless noted 10/3/2005 9 0.000 0.250 J3 0.565 J4 Pwr Link Rx Tx 4.185 4.500 4.750
CL4490 User’s Manual 2. Interfacing Protocol The CL4490 is a DCE (Data Communications Equipment). A DCE can be interfaced to a DTE using a straight through serial cable (the serial cable provided with the CL4490 is a straight through cable). Typically, PC’s are defined as a DTE and peripherals are defined as DCE. To interface a DCE with another DCE, or a DTE with another DTE, a null modem (or a Crossover) cable is required. The null modem simply swaps pins to convert a DCE to a DTE a
CL4490 User’s Manual 1.4 RS-232 RS-232 is a single ended data transmission protocol. The RS-232 signals are represented by voltage levels with respect to a system common (power / logic ground). The "idle" state (MARK) has the signal level negative with respect to common, and the "active" state (SPACE) has the signal level positive with respect to common. RS-232 has numerous handshaking lines (primarily used with modems), and also specifies a communications protocol. Figure 5- RS-232 M
CL4490 User’s Manual Figure 7- DCE to DCE Interface CL4490 Modem OEM Host CTS CTS S RT RTS RXD TXD TXD RXD GND GND DCD NC NC DCD DSR DSR DTR DTR RI NC NC RI DCE DCE Crossover Cable Note: The Straight Through Cable provided with the CL4490 has female connectors on both ends and the Crossover cable has a male connector at one end and a female connector at the other end. Please use a male-to-male adapter or female-to-female adapter wherever req
CL4490 User’s Manual 1.6 Hardware Flow Control Flow control refers to the control of data flow between the host and the CL4490. It is the method used to handle data in the transmit/receive buffer of the CL4490 interface, and determines how data flow between the host and the CL4490 is throttled. Often in serial communication, one device is capable of sending data much faster than the other can receive. Flow control allows the slower device to tell the faster device to pause and resume data
CL4490 User’s Manual 3. Network Topologies Topology refers to the shape of a network, or the network's layout. How different nodes in a network are connected to each other and how they communicate, is determined by the network's topology. The CL4490s support a Point-to-Point and a Point-to-Multipoint network topology. 3.1 Point-to-Point A point-to-point system is a simple arrangement consisting of just two CL4490s - a Server and a Client. Sometimes referred to as a wireless bridge,
CL4490 User’s Manual 4. CL4490/CN4490 Configuration Utility Software AeroComm provides the easy to use CL4490/CN4490 Utility Software for programming the CL4490/CN4490. The GUI based software does not require any hardware configuration and works by itself. The software is compatible with Microsoft® Windows 95, 98, 2000, Me, NT and XP. CL4490/CN4490s are plug-and-play devices that work with minimal or no configuration. However, users may refer to the AC4490 manual for details about the r
CL4490 User’s Manual 4.2.1 CL4490 Settings The CL4490 Settings Page is shown below, as it will appear the first time the program is run. 18.104.22.168 ConnexLink Settings Client/Server: Designates CL4490 type. In each network, there must be only one Server. All other CL4490 units must be programmed as Clients. The number of Clients in the network is not limited; however, if performance diminishes, consider additional RF Networks. Interface Baud R
CL4490 User’s Manual Max Transmit Retries (For Clients and Servers in Point-to-Point networks only): This value represents the maximum number of times a particular data packet will be transmitted unsuccessfully, or without an acknowledgement, before the CL4490 discards the packet. The default value is 16 attempts. If communication is lost and the Client’s Link LED is on, try increasing this value in small increments until communication is reestablished. Note: This value is always as
CL4490 User’s Manual Full Duplex: This mode restricts Client radios to transmitting on odd numbered frequency hop bins and the Server to even numbered frequency hop bins. Though the RF hardware is still technically half duplex, it makes the transceiver seem full duplex. This can cause overall throughputs to be cut in half. Note: All transceivers on the same network must have the same setting for Full Duplex. Modem Mode: Full modem handshaking is supported by the transceivers when M
CL4490 User’s Manual 4.2.2 CN4490 Settings The CN4490 Settings Page is shown below, as it will appear the first time when the CN4490 check box is checked. 22.214.171.124 CN4490 Settings Client/Server: Designates CN4490 type. In each network, there must be only one Server. All other CN4490 units must be programmed as Clients. The number of Clients in the network is not limited; however, if performance diminishes, consider additional RF Networks. Channel Number: A number that designate
CL4490 User’s Manual Broadcast Attempts (For Servers in Point-to-Multipoint networks only): This value represents the number of times a data packet will be transmitted by the Server ConnexLink. The default value is 4 attempts. If communication is lost and the Clients’ Link LED is on, try increasing this value in small increments until communication is reestablished. The valid range of values for this field is 2 to 255. System Identification: A number from 0 to 256 that provides added
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