NL900 Industrial 900MHz RS232 Radio Modem User’s Manual Version B0 2461 Impala Drive Carlsbad, CA 92010 (760) 444-5995 www.rfneulink.com www.raveon.com rfneulink@raveon.
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Table of Contents USER’S MANUAL ........................................................................................... 1 FIGURES.............................................................................................................................. 4 1. OVERVIEW .............................................................................................................. 5 1.1 FLOW CONTROL................................................................................................... 5 1.
NL900 User’s Manual 1. Overview The NL900 product provides a wireless RS232 connection between different devices. Each NL900 unit can be programmed as a Server or a Client, allowing for the creation of a two device or multiple device wireless network. In addition, multiple networks can be created by programming each network of NL900 units with a unique Channel Number and System ID combinations. See Figure 1 below.
NL900 User’s Manual 1.3 RS232 Cable Pinout Definitions Standard RS232 DB9 Female Connector Null Modem RS232 DB9 Male Connector (Black DB9 Female/Female Cable) (Gray DB9 Female/Male Cable) Pin 1 2 3 4 5 6 7 8 9 Description DCD RxD TxD DTR GND DSR RTS CTS RI Pin NC 2 3 4 5 6 7 8 NC Description DCD TxD RxD DSR GND DTR CTS RTS RI 1.3.1 RS485 Terminal Block Pin Assignments Half Duplex: Pin 11/16/2004 Assignment 1 VCC (6V – 18V) (1.
NL900 User’s Manual 1.4 NL900 Configuration Utility Software The software CD included with your NL900 units provides a utility for changing the settings on each unit. The software is compatible with Microsoft® Windows 95, 98, 2000, Me, NT and XP. 1.4.1 Installation Follow the procedure below to install the NL900 Configuration Utility software. 1. Insert the CD into the desired CD-ROM drive on your computer. 2. The software should launch automatically.
NL900 User’s Manual 1.4.2 Software Definitions 1. Client/Server: Designates NL900 type. In each network, there must be only one Server. All other NL900 units must be programmed as Clients. The number of Clients in the network is not limited; however, if performance diminishes, consider additional RF Networks. 2. Interface Baud Rate: This defines the serial baud rate between the NL900 unit and the host device, such as a PC. The RF transmission rate is fixed.
NL900 User’s Manual 6. Broadcast Attempts: For Point-to-Multipoint networks only. This value represents the number of times a data packet will be sent by the Server NL900 unit. 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. 7.
NL900 User’s Manual 1.4.3 Programming Programming is accomplished with the following procedure: 1. Connect a NL900 unit to a serial communications port on your computer. 2. Connect the power supply to the NL900 unit. Make sure the Pwr LED is on. 3. Start the NL900 Configuration Utility. 4. Select the COM Port that is connected to the NL900 unit. 5. Select the Baud Rate of the NL900 unit.
NL900 User’s Manual 2. Troubleshooting Problem Solution Read Radio displays error message: “Radio not responding.” 1. Make sure the proper settings are set in the Configuration Software. See Section 1.4.3 Programming. 2. Make sure the NL900 unit does not have a Null Modem cable. Null Modem cables will have DB9 Male. If the unit has a Null Modem cable, use a Null Modem adapter to connect the NL900 to the programming PC. 3.
NL900 User’s Manual Limited One Year Warranty If within one years from date of purchase, this product fails due to a defect in material or workmanship, Raveon Technologies, Incorporated will repair or replace it, at Raveon’s sole discretion. This warranty is extended to the original consumer purchaser only and is not transferable.
