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NL900S USER MANUAL 

14 

3.0  Ethernet Device Bridge Setup Guide 

 
This mode is only designed to bridge a single low activity remote IP device to its parent. It can not 
be  used  to  bridge  two  networks.  Please  keep  in  mind  that  remote  device's  OS  and  installed 
applications  can  generate  massive  amounts  of  unwanted  network  traffic  through  services,  auto 
update,  "call  home"  features,  etc.  If  these  are  not  minimized  the  link  can  become  saturated  and 
unusable. 
 

3.1 

Setup 

 
You  will  need  two  PCs  (Turn  off  all  unnecessary  services  and  programs  e.g.  Windows  Update, 
Adobe  Installer,  Firefox  updater,  etc.),  two  Ethernet  crossover  cables,  two  radios  (Master  and 
Slave  configured  for  Ethernet  bridging).  We  recommend  using  the  wizard  to  help  insure  proper 
configuration.  Initially  you  will  need  to  leave  the  Radio/PCs  disconnected  until  instructed  to  do 
otherwise. 
 

3.2 

Configuration 

 

 

It is recommended to set Radio TX power to 10 mW if the radios are in close proximity. 

 

Bridge Mode should be enabled on both the Master and Salve. 

 

Master ID should be 0. 

 

Ethernet Crossover Cable must be used when 

not 

using a hub or switch. 

  Radio Link LED must be solid on, for both Master and slave for communications to occur. 

  Sequence of events to get a link light on the Master when configured as an Ethernet device 

bridge: 

  Radio module must generate Slave Linked message to NIOS 

  Master sends authorization request to slave, slave sends response 

  If  the  Slave's  response  contains  the  same  Network  ID  and  Radio  as  the  Master's 

configured destination, the LED is toggled on. 

  Sequence of events to get a link light on the Slave when configured as an Ethernet device 

bridge: 

  Radio module must generate a joined network message. 

  If the radio module generates a slave left network message, Link LED is toggled off. 

 

We  recommend  using  static  IP’s  for  both  radios  and  all  remote  devices,  and  to  leave  the 
gateway field blank. 

 

DHCP is not supported on the remote slave radio or attached device. This is due to the fact, 
the remote radio or device can not communicate with the DHCP server on the other side of the 
link without the Ethernet being configured dilemma. 

  The USB and Serial Ports are ignored when Ethernet device bridging is enabled. 

 

If you are seeing a massive amount of data going over the link, indicated by Ethernet activity 
and  Tx/Rx  activity  lights,  you  have  a  program  or  service  on  one  or  both  of  the  connected 
devices that is producing unwanted traffic; this could render the link unusable. 

 
 
 
 
 
 

 

Summary of Contents for NL900S

Page 1: ...NL900S 900MHz Spread Spectrum Wireless Transceiver User s Manual Version 1 7 7610 MIRAMAR ROAD SAN DIEGO CA 92126 800 233 1728 www rfneulink com rfneulink rfindustries com...

Page 2: ...e information set forth herein RF NEULINK reserves the right to change specifications at any time and without notice RF NEULINK s products are intended for use in normal commercial applications Applic...

Page 3: ...requirements for mobile transmitting devices this equipment must be professionally installed such that the end user is prevented from replacing the antenna with a non approved antenna The end user sh...

Page 4: ...efinitions 7 1 5 USB Cable Pinout Definitions 7 1 6 NL900S Configuration Utility Software 11 1 7 Troubleshooting Tips 12 2 0 Quick Start Trouble Shooting Guide 12 3 0 Ethernet Device Bridge Setup Guid...

Page 5: ...Nonvolatile memorystores NL900S configuration when powered off Simple serial interface handles data up to 115 2 kb s 1 1 Why Spread Spectrum A radio channel can be very hostile corrupted by noise pat...

Page 6: ...the transmitted data stream by a much faster noise like repeating pattern The ratio by which this modulating pattern exceeds the bit rate of the base band data is called the processing gain and is eq...

Page 7: ...5 GND 6 DSR 7 RTS 8 CTS 9 RI 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 1 4 RJ...

Page 8: ...stallation is complete 3 Plug in the NL900S radio and install the drivers a Connect a compatible power supply to the NL900S radio b Wait until the radio has booted up completely Solid green PWR light...

Page 9: ...Comport to select Open the Device Manager by clicking on Start Run enter devmgmt msc in the Open field and then click the OK button Expand the Ports COM LPT section The USB COM Port should be labeled...

Page 10: ...dit your recovery info by selecting Change wizard settings when asked What task would you like to perform in the Master Wizard This login information will pertain only to the radio database rdb that w...

Page 11: ...hen asked How is your radio connected to this PC select the appropriate COM Port from the list If the radio is set to defaults as it comes configured from the factory the appropriate baud rate should...

Page 12: ...or Normal Operation 4 Green MCU Activity Solid Radio Base OS booting Blinking NL900S software loaded and running 4 Red MCU Error Solid only indicates unrecoverable error power cycle needed 3 Green Ser...

Page 13: ...n Network I D This field must have the same ID as all radios on the same network 6 Encryption Encryption is turned on by default and it is important to note that the encryption code will be the same o...

Page 14: ...n for both Master and slave for communications to occur Sequence of events to get a link light on the Master when configured as an Ethernet device bridge Radio module must generate Slave Linked messag...

Page 15: ...M of 20 SECONDS for each radio to boot up and establish a radio link 3 Verify that the link light is on solid for both Master and Slave radios 4 Only connect the Ethernet Crossover cable between PC1 a...

Page 16: ...other Slave 1 talks to Slave 2 and vice versa This will allow the slaves to talk to each other through the Master Repeater and there by extending the usable range Since the Master Repeater will repea...

Page 17: ...ation Address 2 Repeater Radio Network 1 Destination Address 255 Repeater Radio Network 1 Destination Address 255 Repeater Radio Network 1 Destination Address 255 Slave Radio 2 Network 1 Destination A...

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