Summary of Contents for Digital wireless SNAP2410 series
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Page 1: Installation Guide
SNAP2410/2414/2420 Spread Spectrum Network Access Points Installation Guide April 20, 2000 One Meca Way Norcross, Georgia 30093 www.digital-wireless.com (770) 564-5540... - Page 2 Note: This unit has been tested and found to comply with the limits for a class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
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Page 3: Table Of Contents
Table of Contents Introduction ...................... 1 Getting Started ....................2 Connecting the SNAP ..................2 SNAP Status Indicators ................. 3 Configuring the SNAP..................3 SNAP Operation ....................5 Overview ....................... 5 TCP/IP Addresses ..................5 Seamless Roaming..................6 Synchronization ..................... 7 AP Mode Operation .................. -
Page 4: Introduction
INTRODUCTION The SNAP2410 family of products from Digital Wireless Corporation provides Ethernet connectivity to networks of WIT2410 radios. Built around the WIT2410, SNAP products provide a 10BaseT connection to Ethernet networks and function as base stations for remote devices containing WIT2410 transceivers. By supporting seamless roaming, multiple SNAPs can be connected to a network to provide practically unlimited coverage area. -
Page 5: Getting Started
Alternatively, an antenna may be located away from the SNAP using RF cable to connect the SNAP to the antenna. Digital Wireless does not recommend using RF cables longer than 5 feet. If more distance is required between the SNAP and the antenna, high-quality, low-loss RF feed line must be used. -
Page 6: Snap Status Indicators
10BaseT products. The SNAP will not work if the network only supports 100BaseT products. Before connecting a default configured SNAP to an active network, ask the network system administrator to make sure that the default IP number will not cause any 2000 Digital Wireless Corporation 042000... - Page 7 Note: The save and reset commands must be entered after modifying the default configuration. Failure to do so will result in the factory defaults to be used. 2000 Digital Wireless Corporation 042000...
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Page 8: Snap Operation
SNAP. If the second parameter is not used, the netmask is set to the default netmask for the IP address specified. For example, the command: ip 192.168.0.1 will set the SNAP’s IP address to 192.168.0.1 and the netmask will remain 255.255.255.0. 2000 Digital Wireless Corporation 042000... -
Page 9: Seamless Roaming
The SNAPs can also synchronize with one another by RJ-11 cable (telephone cable). The RJ-11 method of synchronization uses a daisy chain fashion to connect the SNAPs together. The SNAPs need to be synchronized this way if 2000 Digital Wireless Corporation 042000... -
Page 10: Synchronization
2411 and 2412 respectively. These are the default settings. Using the roam library requires the use of winsock.dll. This file should already be included on any Windows 95/98/NT PC that has TCP/IP installed as a protocol. 2000 Digital Wireless Corporation 042000... -
Page 11: Ppp Operation
PPP session between the remote PC and the SNAP. The PPP mode of the SNAP also works with various versions of UNIX and LINUX. Contact Digital Wireless Technical Support for details. 4-Port Hub The SNAP2414 model includes a built-in 4-port hub. Even though there are 5 ethernet ports, only four of them can be used. -
Page 12: Snap Command Set
SNAP will send to the internal radio. This value cannot be longer than the value set in the pktlen radio. Refer to the section on radio commands for details of the Set Base Slot 2000 Digital Wireless Corporation 042000... -
Page 13: Ethernet Commands
IP address specified will be used only for traffic destined for that IP address. The route table always has an entry associated with the IP address assigned to the SNAP. socks Displays the network socket information. 2000 Digital Wireless Corporation 042000... -
Page 14: Snap Radio Commands
Refer to the section on radio commands in this manual for the radio commands pertaining to the SNAP. Refer to the WIT2410 Integration Guide for a complete listing of radio commands. 2000 Digital Wireless Corporation 042000... -
Page 15: Ap Mode Commands
Sets the maximum number of bytes of data that will be included in a SDP datagram before the datagram is sent. If 20ms elapses since the last byte received, the datagram will be sent regardless of the number of bytes in the datagram. 2000 Digital Wireless Corporation 042000... -
Page 16: Ppp Mode Commands
PPP session must agree with the password entered for that user in the SNAP. When set to Radius, the password entered by the user is sent to the designated authentication Radius server. 2000 Digital Wireless Corporation 042000... - Page 17 A enabled password must be assigned even if a Radius server is to perform authentication. There is no way to display passwords. If a password is forgotten, a new password must be entered. 2000 Digital Wireless Corporation 042000...
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Page 18: Radio Modem Configuration
A larger value increases network capacity due to decreased overhead in channel switching. The hop duration is specified in 69.4us increments. The 2000 Digital Wireless Corporation 042000... - Page 19 The radio in the SNAP has 64 preprogrammed hopping patterns or network numbers. By using different network numbers, nearby co-located networks can avoid interfering with each others’ transmissions. Even if both networks tried to use the same frequency, on the next hop they would be at different frequencies. 2000 Digital Wireless Corporation 042000...
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Page 20: Snap Datagram Protocol (Sdp)
SDP_USER_MAGIC in the magic field of the header. The next byte is the sequence number which increments for each datagram transmitted by the SNAP. The next three bytes of the header are the unique-ID of the “radio A” for the SNAP. 2000 Digital Wireless Corporation 042000... -
Page 21: Sdp Messages
At this time, the SNAP will transmit an SM_STARTUP message with a <user- request> value of 1 followed by an SM_CONNECT message for each remote radio currently “connected” to the SNAP. [In future releases, this will be followed by an 2000 Digital Wireless Corporation 042000... - Page 22 SNAP. Note that the remote may have already roamed to another SNAP. The workstation should only act on the SM_DISCONNECT message if it currently has the source of this message as the SNAP that owns this remote radio. 2000 Digital Wireless Corporation 042000...
- Page 23 This message may be broadcast or multicast to multiple SNAPs as the SNAP will ignore this message if the remote radio with the Unique-ID contained in the message is not currently connected. 2000 Digital Wireless Corporation 042000...
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Page 24: Troubleshooting
Verify that the remote is in range of the SNAP. Technical Support Technical Support is available from Digital Wireless from 8:30am to 5:30pm Eastern Time, Monday through Friday. Contact Technical Support at (770) 564-5540 or by email at techsup@digiwrls.com. -
Page 25: Quick Reference
Sets sync mode to use Ethernet packets ether Sets SNAP as sync master master Toggles master backup override override Displays sync settings settings Sets SNAP as sync slave slave Sets sync mode to use RS-485 wire ports wire 2000 Digital Wireless Corporation 042000... - Page 26 Adds a PPP username add <usr> Deletes a PPP username delete <usr> Disables a PPP username disable <usr> Enables a PPP username enable <usr> Lists current PPP users list <usr> Sets PPP user password password <usr> <pwd> 2000 Digital Wireless Corporation 042000...
- Page 27 Read Factory Serial Number Middle Byte Read Factory Serial Number Low Byte Set Duty Cycle zp[?|0..4] Enable Low Power Acquisition (remote only) zq[?|0|1] Exit Modem Control Mode z> Memory Commands Recall Factory Defaults Recall Memory m< Store Memory m> 2000 Digital Wireless Corporation 042000...
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Page 28: Specifications
Network Interface 10BaseT SNAP Network Point-to-Point or Multipoint Topologies Repeater Use Digital Wireless HN-2010 RF Output Power 100mW wiith included whip antenna, 400W EIRP with gain antenna RF Modulation Frequency hopping, up to 64 user selectable hopping patterns Frequency Range 2400MHz to 2483.5MHz... -
Page 29: Warranty
LOSS OF USE DAMAGES ARISING OUT OF THE MANUFACTURE, SALE OR SUPPLYING OF THE GOODS. THE FOREGOING WARRANTY EXTENDS TO BUYER ONLY AND SHALL NOT BE APPLICABLE TO ANY OTHER PERSON OR ENTITY INCLUDING, WITHOUT LIMITATION, CUSTOMERS OF BUYERS. 2000 Digital Wireless Corporation 042000...
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