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Istruzioni per l'uso Airlink, Modello 5200

Produttore : Airlink
File Size : 946.11 kb
File Nome : 0201raven.pdf
Lingua di insegnamento: en
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Information contained herein is the property of AirLink Communications, Inc. and is produced for the purpose of detailing technology developed by AirLink Communications, Inc. and its employees. Reproduction or distribution of this document without the express written consent of AirLink Communications, Inc. is strictly prohibited. This document is subject to change without notice. O Copyright AirLink Communications, Inc, 2001. All rights reserved. Please send comments to: Email: pubs@AirLink.com Fax: 510-226-4299 Phone: 510-266-4200 Post: AirLink Communications, Inc. Attention: Technical Publications Dept. 472 Kato Terrace Fremont, CA 94539 AirLink Communications Page 2 AirLink Application Notes CONTENTS 1. OVERVIEW..................................................................................................................................... 4 2. INTERNET (TCP/IP) CONNECTION VIA CDPD.....................................................................4 3. ETHERNET DEVICE & IP5200 CABLING & INSTALLATION.............................................4 4. IP5200 CONFIGURATION .......................................................................................................... 5 5. AIRLINK RAVEN CDPD MODEM CONFIGURATION.........................................................11 AirLink Communications Page 3 AirLink Application Notes 1. Overview This document describes how to connect the AirLink Raven CDPD Modem to the IP5200 Async- Router from Data Communications for Business (DCB). Information on the IP5200 and DCB is available at Additional information about AirLink Communications products is available at 2. Internet (TCP/IP) Connection via CDPD Normally, remote access to an IP 5200 is done via Dialup Telephone Line. When using CDPD, remote access to is done via a TCP/IP connection to the CDPD Network (ie: Internet) and the use of a CDPD Modem connected to a DCBNet IP5200 Single-Port Async-Router. On the HOST side, access to the CDPD Network could be made using any of the following means: 1. Using a Frame Relay connection into the CDPD Network 2. Using the public Internet 3. Using another CDPD Modem connected to the Host System Frame Relay 3 1 2 Internet Local CDPD Network Other CDPD Networks 3. Ethernet Device & IP5200 Cabling & Installation Setting up the Ethernet device (PC, RTU, PLC, etc) for communicating over CDPD is fairly straightforward. All the same configuration settings used for a LAN installation apply to a CDPD installation. Since the device is actually sitting on a very small LAN, (just the device and the IP5200), the IP Address would be a private IP, such as: 192.168.1.101. The IP5200 would have an Address in the same range, such as: 192.168.1.100. DNS, FTP, SMTP, and Email settings would be for servers visible to the public Internet or in the case of Frame Relay connections to the CDPD network – IP Addresses visible to the Frame Relay cloud. (See your Network Administrator or Carrier for more details on which Addresses or server names to use). When the device initiates Ethernet traffic (by either sending an email or starting an FTP session, etc), the router will dial the CDPD modem and establish a PPP connection. The CDPD Modem will supply the router with its IP address, virtually becoming the router’s Internet Service Provider (ISP). AirLink Communications Page 4 AirLink Application Notes Diagram of how to connect the IP5200 Router and CDPD modem: 192.168.1.101 Ethernet Crossover CableRS232 192.168.1.100166.x.x.1 166.x.x.1 IP Address of CDPD Modem becomes Public Side Address of Router during PPP negotiations. IP5200 is both a Dial-on-Demand Router and Network Firewall Private Class-C IP Addresses are on same subnet using subnet mask 255.255.255.0. 4. IP5200 Configuration Setting up the IP5200 should be done using the instructions provided by DCB. The DIP Switches on the Ethernet side of the unit are used for handshake and flow control and should be set as follows: 10 100 RJ-45 1 2 3 4 5 Power Jack ..¤¤• The following screen shots cover the device settings specific to connecting to a CDPD Modem. At the ‘WWeellccoommee ttoo SSeettuupp’ page, select the ‘Internet Access’ button. The Configure button takes you to the Main Menu. AirLink Communications Page 5 AirLink Application Notes You will need to set the Internet Account, LAN Settings, and Dial-out Modem parameters. The Internet Access setup screen for Ports 1 and 2 has three requirements: -‘Enable’ must be checked - Tel-1 and Tel-2 should be entered as shown -Disconnect after Idle Time should be set to ‘0’. This will make sure the IP5200 does not drop the PPP connection when the serial port is idle. Multi-port Usage Even though the IP5200’s (2) serial ports can be used for Multi-link PPP, this is not a feature that can be used over CDPD network. AirLink Communications Page 6 AirLink Application Notes Since there is no actual...


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