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1. Internet Protocol TCP IP 005 Packet 5 File and Printer Sharing for Microsoft Networks iei Client for Microsoft Networks Description Transmission Control Protocol Internet Protocol The default wide area network protocol that provides communication across diverse interconnected networks 1 Enter Ip address For example enter 192 168 2 1 Note The network part of the chosen IP address must not be already used by another network connection such as a LAN card Click on the Ok button WINDOWS XP WINDOWS 2000 Internet Protocol TCP IP Properties General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Use the following IP address IP address Use the following DNS server addresses Preferred DNS server Alternate DNS server Click on Ok button 15 connect to WL COMETH with the connect button WL COMETH USER S MANUAL 102115044 Release A 11 March 1 2005 41 8 3 2 SLIP Configuration on Windows NT 1 Start Settings control panel Control Panel tatio s Printers ki Taskbar Ea m 2 click on the modem icon Control Panel 4 File Edit View Help Add Remove Date Time Devices Display Programs
2. Internet Mouse Multimedia lt 4 NVIDIA PC Card Desktop Ma PCMCIA e SCSI Adapters Services Sounds 27 object s 3 check don t detect my modem I will select it form a list and click next button Install New Modem Windows MT will now try to detect your modem Before continuing vou should 1 If the moder is attached to your computer make sure it iz turned an 2 Quit any programs that may be using the modem Click Next when you are ready to continue Don t detect my modem will select it rom a list lt Back Cancel WL COMETH USER S MANUAL 01115044 Release A 11 March 1 2005 249 4 Select Standard Modem types Dial Up Networking cable between 2 PCs and click next Install New Modem Click the manufacturer and model of your moder IF your modem is not listed or if have an installation disk click Have Disk E Standard Modem IRE m Standard 2400 Modern Standard 9600 Modern an Standard 14400 bps Modem 2 Standard 14200 hne Modem xl Have Disk lt Back Cancel 5 check Selected ports and select the port the WL COMETH 1 connected to Install New Modem ou have selected the following modern Networking Serial Cable between 2 PCs which ports do you want to install iE lt Back Cancel 6 click Finish button Install New
3. In WL COMETH version II can be connected by pushing the corresponding switch to on position A single polarization 1s necessary on the bus Terminating resistor The terminating resistor for RS422A RS485 line reduces signal reflections created by long lines at high speeds It is not required in noise free environment and if the distance and the rate are within 1000 meters at 9600 bps or 100 meters at 115200 bps A terminating resistor 1s integrated to the WL COMETH In WL COMETH version I be connected by a jumper In WL COMETH version II can be connected by pushing the corresponding switch to on position WL COMETH USER S MANUAL Release A 11 March 1 2005 VIL3 Cable length for RS422A and RS485 222 10K 4 1004 Tbeb rs 10 1K 10K 100K 1M 10M bps BAUDRATE WL COMETH USER S MANUAL 07175044 Release A 11 March 1 2005 _ 24 4 RS422A Cabling example RS422A FULL DUPLEX POINT TO POINT CABLING RS422A INTERFACE FOR POINT TO POINT LINK A 8 DB9 Pin COMETH TWISTED PAIRS RS422A INTERFACE FOR POINT TO POINT LINK A 8 D B 3 A 9 ee 5 2 WL COMETH USER S MANUAL Release A 11 March 1 2005 25 RS422A FULL D
4. 0 0 000000000000000 0 13 WL DONGLE PRODUCT 1 14 WL DONGLE CHARACTERISTICS cccscoccscsccscsccscscsccscescscaccscscscscescscasescass 15 INA HOC OW 15 Wo WE AN INTERPACE nee 15 IN JUEDINDICATOBRS ES 15 SNL C SAR 15 ENVIRONMENTAL LIMITATIONS cccccoccececcececccceccececcececccecesesceceececeececesescesescess 16 7 MECHANICAL CHARACTERISTICS 02 0 0 0 0000000000000 0 16 WIFI NETWORK TOPOLOGY ie det aee rede 17 NL AD HOC NETWORK Me A at 17 V 2 INFRASTRUCTURE NETWORK 000000000000000000 00 17 CONNECTORS 18 VII POWER CONNECTOR CABLING cccccccecccceccececcscececcscscscecescecessscesescesescecesceceses 19 9232 CONNECTOR CAB 19 VI3 RS422A RS485 CONNECTOR 100000000000 20 CABLING RECOMMENDA TIONS ccccccccccccccccccccccccccccccccccccccccccccccccccees 21 VIL RS232 CABLING 5 0 00000000000000000 21 VIL2 RS422A RS485 CABLING 8 2 000100000000000 21 VIL3 CABLE LENGTH FOR RS422A AND 65485 2 0 02 00000 000 23 VUA RS422X CABLING EXAMP
5. login password location showperm netconfigperm upgradeperm net ethernet net dhcp net dhcp hname net dhcp clientid net ip net mask net gateway net configport net txsize net rxsize net metric net keepalive net reconnect net ssid net channel net txrate net wepkey WL COMETH USER S MANUAL SERVERCOM firmware located in segment 2 Functionnalities Raw TCP server TELNET amp TELNET 2217 root root unknown location allowed allowed deny only in WL COMETH version II device serial number written on the label off empty not sent empty MAC address sent as string 192 168 1 253 255 255 255 0 0 0 0 0 no gateway router 23 576 576 10 off off acksys 10 in AD HOC mode automatic in infrastructure mode automatic wep key not used Release A 11 March 1 2005 70 WL COMETH USER S MANUAL Release A 11 March 1 2005 EUM XI ADDRESSING IN NETWORK PROTOCOLS TCP IP network layers XI 2 SSID TCP IP 1s the name of the protocols used by Internet and many Intranets In a device participating in a TCP IP network there are four software layers the application layer the transport layer TCP or UDP the network layer IP the LAN layer Ethernet Wifi point to point modems etc The LAN layer address allows a device to send data to another device connected to the same LAN But there 15 not enough information in a LAN address to send to a device connected on
6. WL COMETH WL DONGLE USER GUIDE DTUS044 WL COMETH WL DONGLE USER GUIDE COPYRIGHT ACKSYS 2004 2005 This document contains information protected by Copyright The present document may not be wholly or partially reproduced transcribed stored in any computer or other system whatsoever or translated into any language or computer language whatsoever without prior written consent from ACKSYS ZA VAL JOYEUX 10 rue des entrepreneurs 78450 Villepreux France REGISTERED TRADEMARKS ACKSYS is a registered trademark of ACKSYS e Windows is a registered trademark of MICROSOFT NOTICE ACKSYS gives no guarantee as to the content of the present document and takes no responsibility for the profitability or the suitability of the equipment for the requirements of the user ACKSYS will in no case be held responsible for any errors that may be contained in this document nor for any damage no matter how substantial occasioned by the provision operation or use of the equipment ACKSYS reserves the right to revise this document periodically or change its contents without notice YD COMMUNICATIONS amp SYSTEMS ZA Val Joyeux 10 rue des entrepreneurs 78450 Villepreux FRANCE Telephone 33 0 1 30 56 46 46 Fax 33 0 1 30 56 12 95 Web www acksys fr Hotline support acksys fr Sales sales acksys fr WL COMETH USER S MANUAL Release A 11 March 1 2005 E WL COMETH USER S MANUAL
7. WINDOWS XP WINDOWS 2000 Direct Connection Properties General 0 ptions Security Networking Advanced Select a device Communications cable between two computers Show icon in notification area when connected a Select 115200 for the mawimum speed of the connection b Uncheck Enable hardware flow control WINDOWS XP WINDOWS 2000 Modem Configuration B Communications cable between two computers 1 Modem protocol Hardware feature Enable hardware flow control C Enable modem error control Enable modem compression C Show terminal window C Enable modem speaker 13 In options tab uncheck Prompt for and password certificate etc WINDOWS XP WINDOWS 2000 Direct Connection Properties General Options Security Networking Advanced Dialing options Redialing options Redial attempts Time between redial attempts 1 minute Idle time before hanging up Redial if line is dropped WL COMETH USER S MANUAL 102115044 Release A 11 March 1 2005 40 14 in the Networking tab a Select in server type SLIP unix connection b Select Internet protocol TCP IP and click on Properties button WINDOWS XP WINDOWS 2000 Direct Connection Properties AE General Options Security Networking Advanced This connection uses the Fellewing tems
8. 10 Mechanical characteristics WL COMETH version I Metal housing Size 17x15x4 2 cm 6 7 6 1 6 in antenna plugs not included fastening included Weigth 0 700 Kg 1 54 lbs WL COMETH version II Metal housing Size 10 17 4 cm 4 6 7 1 6 in antenna plugs not included fastening included Weigth 0 450 Kg 0 99 lbs WL COMETH version I weather proof version Plastic housing Size 11 6x16 4x36 4 6x6x13 antenna plugs not included fastening included Weigth 0 350 Kg 0 77 lbs Two omni directional antennas 2dBi You can replace them by an antenna with more gain through the external antenna RSMA connector WL COMETH USER S MANUAL Release A 11 March 1 2005 ner WL COMETH USER S MANUAL Release A 11 March 1 2005 15 WL DONGLE PRODUCT SPECIFICATIONS IV 1 WL DONGLE characteristics RS232 to WLAN Metal housing including WIFI interface 802 11b at 11 Mbit s External power supply 5 VDC RS232 15 kV ESD protection IV 2 DC Power External power 5 VDC Power consumption 3W max IV 3 WLAN interface WIFI 802 11b interface Ethernet speed 1 2 5 5 11 Mbps 300 m 984 ft nominal range open space from access point 60 m 200 ft in other cases 4 WEP keys 64 128 bits IP Protocols IPv4 ICMP DHCP TCP Telnet RFC 2217 Two TCP ports port 23 for TELNET administration one UDP port port 68 when DHCP 15 used other TCP and UDP ports available and configurable for
9. Logon preferences Help 19 On the Basic tab click on the Configure button Edit Phonebook Entry Ea E Basic Sever Script Security X25 Entry name Comment Phone number Alteriates Use Telephony dialing properties Dial using DialUp Networking Serial Cable be Use another port if busy Cancel a Select 715200 for initial speed and uncheck Enable hardware flow control Modem Configuration Ei Dial Up Networking Serial Cable between n Initial speed bps 1115200 Hardware Features F Enable modem error control Enable modem compression Disable modem speaker Cancel WL COMETH USER S MANUAL 01115044 Release A 11 March 1 2005 _ 48 20 On the Server tab select SLIP Internet and click on the TCP IP Setting button Edit Phonebook Entry Basic Script Security Dial up server type Internet Network protocols M Settings compatible Grable sottvare compression Enable PRP estensione a Enter the ip address of the computer for exemple 192 168 2 2 and uncheck Force Ip header compression and Use default gateway on remote network SLIP TCP IP Settings 2 IP address 192 168 2 2 server addresses Primary DNS Secondary ONS Primary WINS Secondary WINS 21 On
10. Release A 11 March 1 2005 VI Vil ill TABLE OF CONTENTS INTRODUCTION M M 5 1 1 PURPOSE OFTHIS MANU ALES ee Ree EE 5 1 2 THE ETHERNET SERIAL CONVERTERS RANGE ccccececececececcccccecccscecececseseccececs 6 1 3 THE WIFI SERIAL CONVERTERS RANGE ccscececcececcececcececcececcccecscecesescesescecacees 7 1 4 APPLICATION SOP TW ARF te ba oa 8 1 5 ADMINISTRATION SOFTWARE 0 0 00000000000000 8 1 6 WARE a 8 PACKAGE HE CARAS 9 WL COMETH PRODUCT SPECIFICATIONS 1 cccecsccecsccccccsscsccccsccccscess 11 WL COMETH VERSION I CHARACTERISTICS c cccescecescececcececcecececceceseececeecess 11 IIIL 2 WL COMETH VERSION CHARACTERISTICS cccccececcececececcccececececeecscsceenecs 11 11 UWF POW BR te 11 DS ee nan sai ad 12 MLO JSERPADINTBPEAC E etit oo tota 12 AGE DINDICA TORS cdd 12 LES Lee As an 13 9 ENVIRONMENTAL LIMITATIONS c ccccscccescececccceccececcececescecestececeecscescscesseceseecess 13 10 MECHANICAL CHARACTERISTICS
11. few seconds If the DIAG LED flashes to indicate Administration mode push firmly the Admin switch in the opposite position OFF Serial Tx Rx e This LED flashes when sending or receiving data on the asynchronous serial interface If the Serial Tx Rx LED stays off while your device 15 sending data it means that the RS cable 15 bad improperly connected or some kind of flow control forbids transmission If the Serial Tx Rx LED stays off while you are sending data to your device it means that some kind of flow control forbids transmission or the WL COMETH does not receive network data frames If the serial Tx Rx LED stay on while you are not sending data to your device and your device is not sending data it means that the RS cable is WL COMETH USER S MANUAL Release A 11 March 1 2005 54 bad improperly connected amp or amp are inverted line polarization is required in RS422A multidrop and RS485 mode RS232 activated only on WL COMETH version II This LED lights uo when the RS232 electrical interface is selected RS422 485 activated only on WL COMETH version II This LED lights uo when the RS422 485 electrical interface is selected RF signal quality e Youcan use these 6 LED to check the RF signal quality e in WL COMETH version II only When the WL COMETH cannot link to an Access point this LED blinks with the DIAG LED alternatively If only the red LED is on yo
12. he biden an de tenu 57 IX 5 CHECKING THE ADMINISTRATION 000000000 000 57 IX 6 CHECKING THE 0 0 00000000000000000000000 57 X ADVANCED CONFIGURATION indie anses 58 X 1 ACCESS TO ADMINISTRATION 7 72000000 59 TRY ee in tn ae A ee tere ote ee 60 HANDLING DISCONNECTIONS IN cccccecescecccececccceccscecesceceseececescecesceceees 61 X COMMANDS LIST nent see tn emmener ie 62 X 5 FACTORY SETTINGS COMMON TO ALL FIRMWARES cceccccecescecscececcecececcecesceceees 69 XI ADDRESSING IN NETWORK PROTOCOLS cccccccccccccsccccccccccccccccscccccsces 71 XI 1 TCP IP NETWORK LAYERS ea SEs 71 29 71 MLS ETHERNET ADDRESS aan 71 OI IP ADDRESS LN 71 AES CI uu RI da ae a ne 72 AIL CP PORENUMPER 73 AIL A 75 WL COMETH USER S MANUAL Release A 11 March 1 2005 1 INTRODUCTION I 1 Purpose of this manual This manual may not be up to date Please download the latest documentation on our web site www acksys fr This manual provides instructions to easily install and configure the WL COMETH product on your network Chapter II Package checklist allows you to check if your package was complete w
13. same description for WL COMETH version I WL COMETH version I and WL DONGLE DB9 male with DTE cabling 1 5 4 00000 6 9 6 DSR Input to WL COMETH 8 CIS Input to WL COMETH 9 RI Input toWL COMETH WL COMETH USER S MANUAL Release A 11 March 1 2005 20 3 RS422A RS485 connector cabling This connector is not present on WL DONGLE DB9 female DB9 male WL COMETH version I WL COMETH version II RS422A RS485 RS422A 5485 Connect together for line For WL COMETH version I Terminating resistor enable Terminating resistor disable For WL COMETH version II Terminating resistor enable Terminating resistor disable Polarisation resistor enable Polarisation resistor disable WL COMETH USER S MANUAL Digital ground Digital ground Connect together for line ERN Connect the jumper to ON position Connect the jumper to OFF position or leave unconnected push switch in on position push switch in off position push switch 1n on position push switch 1n off position Release A 11 March 1 2005 UT VII CABLING RECOMMENDATIONS VII 1 RS232 cabling recommendations In RS232 mode the 9 pins male connector 15 a standard EIA TIA574 Data Terminal Equipment DTE connector To connect WL COMETH to a DTE peripheral use a crossover null modem cable To connect WL COMETH to a DCE peripheral for example a modem use a straight cable VII 2 RS422A RS485 cabli
14. the CD WL COMETH USER S MANUAL Release A 11 March 1 2005 update W WWW 09 OOO 35 the windows start menu select execute type and click OK button you must see DOS window Check your network topology see chapter VIII 3 Make a telnet to your COMETH with telnet command C telnet 192 168 1 253 Inthe telnet window type this command gt login root password root root gt set upgradeperm allow root gt save root gt reset Download firmware with the tftp command C tftp i 192 168 1 253 put tcpclient ftp Ifthe download is correct the WL COMETH reboots After upgrade the network configuration of WL COMETH is not changed 8 2 Download firmware throught serial interface You cannot download a new firmware throught serial interface on WL COMETH version I Upload the latest version of firmware on acksys web site www acksys fr or get the firmware in the CD Inthe windows start menu select execute type cmd and click on OK button you must see a DOS window terminal emulator hyperterminal for example or ATTY provided by acksys on CD Configure a terminal emulator with 8 data bits 1 stop bit no parity no flow control 2400 bauds Push the admin switch towards the Admin on position The orange DIAG light should blink twice per second If it 15 not the case try pushing the switch in the opposite direction On termina
15. the script tab check None Edit Phonebook Entry HEI Basic Server gt Security 4 29 C Pop up a terminal window C Run this script Edit script Refresh list Before dialing WL COMETH USER S MANUAL 121175044 Release A 11 March 1 2005 49 22 On the Security tab check Accept any authentication including clear text and click OK Edit Phonebook Entry Ed Basic Server Script Security A5 Authentication and encryption policy Accept only encrypted authentication Accept only Microsoft encrypted authentication Require data enemotion Use current username password passion 23 Click on the Dial button BUR Dial Up Networking El Ei Phonebook entry to dial Phone number preview p Dialing trom New Location E Location D Close 24 click on the OK button Connect to MyDialUpServer HE Enter a user name and password with access to the remote network domain User name Administrator Password Save password Cancel WL COMETH USER S MANUAL 12115044 Release A 11 March 1 2005 2 SQ 25 Click on the OK button Connection Complete Ea have successfully connected to the remote server ou may now use the usual Windows programs and utilities as if you were directly connected to the network Right click the Di
16. 1 out of AP area all RF signal quality LEDs WLAN Tx Rx LED the Diag LED blinks If WL COMETH is in the AP area you can see RF Signal quality reception on the LEDs If you use several AP make sure that all AP are in the same network the WL COMETH version I does not support DHCP If the WL COMETH is the AP area but you can t access to the WL COMETH check the SSID on both the AP and the WL COMETH SSID 15 the case sensitive network identifier If the WL COMETH and AP do not have the same SSID the WL COMETH cannot connect to the AP In this case the RF signal quality LEDs WLAN Tx Rx LED Diag LED blink For more information on RF signal quality of the WL COMETH see chapter XI 1 Checking the hardware IX 2 2 WL COMETH working in AD HOC mode am n Tii 25485 es mm ue tv MUSS Computer with F 85232 Wireless card WYL COMETH In AD HOC mode you must have the same SSID and channel in all the devices If the WL COMETH does not have the same channel you cannot communicate with it In this mode please ignore the quality LEDs indications WL COMETH USER S MANUAL Release A 11 March 1 2005 46 IX 3 Checking the network topology In the following examples the WL COMETH IP address is 192 168 1 253 the computer used for the tests has IP address 192 168 1 244 e First you must ensure that the WL COMETH has a unique IP address on the local ne
17. 35 disables use of the keep alive feature These two commands turn on or off the forced reconnection feature configures the case sensitive SSID of the WL COMETH which must be identical to the SSID of any interoperable WIFI equipment access point other computer Example set net ssid acksys This command sets the SSID of WL COMETH to the value acksys WL COMETH USER S MANUAL Release A 11 March 1 2005 64 set net mode mode set net channel channel set net wepkey keynum key set net wepkey keynum 0 configures the WIFI mode One of ad hoc or infra ad hoc configures WL COMETH in AD HOC mode see section AD HOC network Infra configures WL COMETH in infrastructure mode see section Infrastructure network Example set the WL COMETH to ad hoc mode set net mode ad hoc Pass the WL COMETH infrastructure mode set net mode infra In ad hoc mode configures the channel used for communication with the other device channel 1s in the range 0 to 13 In infrastructure mode this parameter 15 ignored configures the WEP key in WL COMETH keynum 1s the key number Range 1 to 4 key 1s the key value 64 bits key 16 or 10 digits or 128 bits 32 or 26 digits Example Set 64 bits WEP key set net wepkey 1 1F2564AE12 Set 128 bits WEP key set net wepkey 1 123654875ADFEC236542541A26 Note to enter a 128 bits WEP key you must enable one 128 bits WEP key before See command set net use
18. 5 m 50 ft Speed 10 to 230400 bps Parity none even odd space or mark 7 or 8 data bits stop bit 0 2 RS422A RS485 EIA RS422A RS485 CCITTV11 Serial interface DB9 female connector WL COMETH version I DB9 male connector WL COMETH version II Control signals TxD RxD Built in automatic turn around Line polarization selection by strap WL COMETH version I Terminating resistor selection by jumper Maximum load in RS422A 10 receivers Maximum load in RS485 32 receivers Maximum transmission distance 1200 m 4000 ft at 115200 bps Speed 10 to 230400 bps Parity none even odd space or mark Data 7 or 8 bits 1 stop bit 7 Led indicators LED indicators Power Diagnostic general purpose mode error detection reboot indicator Asynchronous interface Rx Tx activity WLAN interface Rx Tx activity RF signal quality on WLAN interface serial Interface enabled Only in WL COMETH version II WL COMETH USER S MANUAL Release A 11 March 1 2005 III 8 Switches WL COMETH version I and II One switch allows selection between the two asynchronous serial interface modes Administration Data WL COMETH version II Two switches for polarization resistor One switch for terminating resistor III 9 Environmental limitations Operating temperature 0 C to 65 C 32 to 149 F Storage temperature 40 C to 85 C 40 to 185 F Humidity 0 95 RH without condensation
19. G Please check the following thoroughly before calling for support If you must call we will need complete information about your network topology IP addresses of intervening devices description of your device s serial connector model of the computer and operating system The checks should be done in the order given below IX 1 Checking the hardware Twelve LEDs allow hardware diagnostic Power This led lights up when the WL COMETH 1 correctly powered If the POWER LED stays off it means that your power supply is bad or incorrectly connected Diag e In Administration mode this LED flashes twice per second unevenly bip bip bip bip e In Exploitation mode this LED flashes when an error 1s detected 1n characters received on the asynchronous interface e When resetting this LED stays lighten until the WL COMETH is ready to use usually in less than one second or in about 10 seconds if you issued a set prog enable command before e Shortly after reset if DHCP is enabled the LED flashes once per second until network parameters are acquired e The TCPCLIENT firmware flashes this LED five times per second whenever it 15 not connected to a server e in WL COMETH version II only When the WL COMETH cannot link to an Access point this LED blinks with the six RF signal quality LED If the Diag LED stays lighten at power up the WL COMETH 18 out of order Try to power it down and then up again after a
20. LE set sn ile 24 MILS R5483 CABLING 26 WL COMETH USER S MANUAL Release A 11 March 1 2005 _ iv MITT GE EEING STARTEDJNG eic nn ii 27 1 DETERMINE THE NEEDS OF YOUR APPLICATION scsceccececececcecececececcecscecceececes 27 VIIL2 COLLECT NETWORK CHARACTERISTICS cccccecescecccececcsceccscecescecseecesesceceseeseses 28 VIIL3 CONNECT POWER ADAPTER c cccscecescecccececccceccscecescecesescecescecessscestecesesceceseeceses 29 4 ADMINISTRATION BY RS232 0020700 29 VIIL5 ADMINISTRATION BY WLAN anna nine ie o Doce eeu meo Lee ew acess 30 6 TCP IP CONFIGURATION ete eap v n re e ee dee nece eh redu s 31 7 ACTIVATE THE RELEVANT FIRMWARE FOR WL COMETH VERSION I 34 VIILS ACTIVATE THE RELEVANT FIRMWARE FOR WL COMETH VERSION 34 VIIL9 INSTALL THE WL COMETH WL DONGLE IN ITS FINAL LOCATION 50 10 OTHER CONFIGURATION SI IX TROUBLESHOOTING 15 1 2 1 in a 52 LL CHECKING THE HARDWARE DM 53 IX 2 CHECKING WLAN TOPOLOGY 10000000000000000000 55 IX 3 CHECKING THE NETWORK TOPOLOGY ccccceccccecccceccccececcececcececescecescecesescesescess 56 IX4 CHECKING THE CONFIGURATION sn tn int
21. LIP Configuration on Windows 2000 XP 1 start settings Network and Dial up Connections WINDOWS XP Open Explore Search Far Computers Network Drive Disconnect Network Drive Create Shortcut Delete Rename Properties WINDOWS 2000 A Windows Update Programs k Documents Control Panel c Eu Network and Dial up Connections amp Printer Taskbar amp Stark Menu ET Shut Down start 1 2 Open Network and Dial up Connections 3 Double click the icon Make New Connection 4 This will open a Network Connection Wizard and click Next WL COMETH USER S MANUAL D7 112044 Release A 11 March 1 2005 17 5 Check connect directly to another computer and click Next WINDOWS XP WINDOWS 2000 New Connection Wizard Network Connection Type What do you want to do Connect to the Internet Connect to the Internet so you can browse the Web and read email Connect to the network at my workplace Connect to a business network using dial up or VPN so you can work from home a field office or another location Network Connection Wizard Network Connection Type You can choose the type of network connection you want to create based on your network configuration and your networking needs Set up a home or small office network Connect to an existi i Set up an advance
22. METH offset must be 0 The purpose of this command 15 to display set local commands see above necessary to fully restore common parameters in a WL COMETH WL COMETH USER S MANUAL Release A 11 March 1 2005 Parameters display HOT Displaying the configuration parameters 15 allowed if the showperm parameter is set to allow If it is set to deny the configuration parameters can only be displayed by the administrator after logging in Some parameters can be displayed for your information but cannot be changed show version show location show showperm show netconfigperm show upgradeperm show savecount show net ethernet show net dhcp show net dhcp clientid show net dhcp hname show net ip show net mask show net gateway show net configport show net txsize show net rxsize show net metric show net show net reconnect show net ssid show net wepkey show net wlan WL COMETH USER S MANUAL firmware version physical location of the WL COMETH is anybody allowed to display configuration allowed denied is 1 allowed to administer from the network allowed denied is WL COMETH version II upgrade allowed allowed denied number of times the save command has been used assigned ethernet address DHCP use on off value enforced on DHCP option 61 if any value assigned to DHCP option 12 if any assigned IP address local subnet mask default gateway IP add
23. Modem our modem has been set up successfully IF you want to change these settings double click the Modems icon in Control Panel select this modem and click Properties FETE WL COMETH USER S MANUAL 01115044 Release A 11 March 1 2005 43 7 Select your new modem and click the Properties button Modems Properties Dial Up Networking Serial Cable between 2 Oe miele a EAT ST rT aa Ki Wht Connect atthe Speen 9 Open the network properties Properties Internet Explorer WL COMETH USER S MANUAL 102115044 Release A 11 March 1 2005 44 10 Select the Services tab and click the Add button Computer Browser NetBIOS Interface RPC Configuration Server Workstation 12 When installation 15 finished you have this window Remote Access Setup COM Dial Up Networking Serial Modern unimodem WL COMETH USER S MANUAL 1021105044 Release A 11 March 1 2005 _ 45 a Click on the configure button and check Dial out only Configure Port Usage Part Device Dial Up Networking Serial Cable between 2 Cancel Fart Usage Help Dial aut only Hecerve calls only Dial out and Receive calls b Click on the Network button ans check TCP IP protocol then OK Dial aut Protocols c Click on the Continue button and restart computer Lr 13
24. S MANUAL Release A 11 March 1 2005 33 Example 2 use a network administrator provided name cometh b12a27 for the COMETH device root gt set net dhcp on OK root gt set net dhcp clientid cometh b12a27 OK root gt show net dhcp DHCP on root gt show net dhcp clientid cometh b12a27 root gt show net dhcp hname undefined host name Now you should save the configuration changes root gt save root gt reset Example 3 use the MAC address for client id and also a network administrator provided host name cometh12 mydomain com root gt set net dhcp on OK root gt set net dhcp clientid OK root gt set net dhcp hname cometh12 mydomain com OK root gt show net dhcp DHCP on root gt show net dhcp clientid undefined client id root gt show net dhcp hname cometh12 mydomain com Now you should save the configuration changes root gt save root gt reset WL COMETH USER S MANUAL Release A 11 March 1 2005 34 VIII 7 Activate the relevant firmware for WL COMETH version I In the first installation step you chose the COMETH firmware that most suits your needs Now it is time to activate this firmware and set its own parameters Say that you determined that you need to activate the TCP CLIENT firmware Connect to the administration either through the network or the serial interface identify yourself then display the list of available firmwares root gt show prog list file status nam
25. S MANUAL Release A 11 March 1 2005 Jd WL COMETH USER S MANUAL Release A 11 March 1 2005 75 XII REFERENCES COM port redirection http www ietf org ric rfc2217 txt DHCP http www ietf org rfc rfc1541 txt http www ietf org rfc rfc2132 txt http www ietf org rfc rfc2134 txt http www ietf org rfc rfc2136 txt Keep Alives http www ietf org rfc rfc1122 txt ACKSYS documentations For the latest versions please check the download section of http www acksys fr CD ROM documentations download firmware user guide DTUS040 pdf only for WL COMETH version I SERVERCOM UserGuide DTUS043 pdf MODBUS TCP UserGuide DTUS041 pdf MULTIPOINT UserGuide DTUS056 pdf TCPCLIENT UserGuide DTUS045 pdf WL COMETH USER S MANUAL Release A 11 March 1 2005 WL COMETH USER S MANUAL Release A 11 March 1 2005 COMMUNICATIONS amp SYSTEMS ZA Val Joyeux 10 rue des entrepreneurs 78450 Villepreux FRANCE Telephone Fax Web Hotline Sales 33 0 1 30 56 46 46 33 0 1 30 56 12 95 www acksys fr support M acksvs fr sales acksys fr
26. Start Programs Accessories Dial up networking Inbox 1 S Dial Up Networking A Imaging Notepad ar Ey Object Packager Explorer H Paint ay Phone Dialer mi Telnet 4 WordPad Hardcopy Print Screen m Documents Startup Command Prompt lag Windows MT Explorer Or E Administrative Tools Common Mo Startup Windows NT Wor idi Start 14 Click on the Next button New Phonebook Entry Wizard Dial Up Networking connects you to remote networks using your modem ISDN or other WAN adapter This wizard helps you create a phonebook entry that stores the vit needed to connect to particular remote network Name the new phonebook entry know all about phonebook entries and would rather edit the properties directly Cancel WL COMETH USER S MANUAL 0115044 Release A 11 March 1 2005 46 15 Click on the Next button 16 Click on the Next button Phone Number WL COMETH USER S MANUAL 1021105044 Release A 11 March 1 2005 47 18 click on More button and select edit entry and modem properties Dial Up Networking Phonebook entry to dial M yDiallpServer Edit entry and modem properties Phone number preview Clone entry and modem properties Delete entry Create shortcut to entry Ale Monitor status New Location 7 a Operator assisted or manual dialing User preferences
27. UPLEX MULTIDROP CABLING RS422A INTERFACE FOR MASTER TYPE MULTIDROP LINK POLLING SELECTING 3 1 A A RP U VCE O 8 3 9 5 RS422A INTERFACE FOR INTERMEDIATE SLAVE TYPE MULTIDROP LINK A RS422A INTERFACE FOR TERMINAL SLAVE TYPE MULTIDROP LINK WL COMETH USER S MANUAL R H rs e IWISTED PAIRS Release A 11 March 1 2005 5 RS485 cabling example RS485 HALF DUPLEX MULTIDROP CABLING INTERFACE RS485 FOR MASTER TYPE MULTIDROP LINK POLLING SELECTING D A A 9 LES RP E DE REB 1 RS485 INTERFACE FOR INTERMEDIATE SLAVE TYPE TWISTED PAIRS MULTIDROP LINKS POLLING SELECTING RS485 INTERFACE FOR TERMINAL SLAVE TYPE MULTIDROP LINKS POLLING SELECTING WL COMETH USER S MANUAL Release A 11 March 1 2005 DE VIII GETTING STARTED This chapter describes the required steps to get WL COMETH device on line and working VIII 1 Determine the needs of your application serial data format and baudrate serial control signals driving source Electrical type of your serial interface What kind of application will use the COMETH This will determine the COMETH firmware to use as follows Firmware 000 only on the WL COMETH and WL DONGLE allows a serial device to call i
28. ad firmware user guide DTUS040 pdf documentation to understand in details the software architecture The WL COMETH version II and the WL DONGLE FLASH EPROM can contain 1 firmware If this software is not appropriate for your use you can download in WL COMETH version TCP CLIENT firmware MODBUS gateway See on the ACKSYS CD ROM the ACKSYS web site www acksys fr to see all the firmwares available on WL COMETH version and WL DONGLE LS Administration software embedded firmwares have an administration system relying on a Command Line Interpreter The administration system is accessible through the serial port as well as through the network Administration commands common to all firmwares are documented in chapter Commands list The commands specific to other firmwares SERVERCOM MODBUS TCP MULTIPOINT TCPCLIENT are documented in a dedicated manual See the ACKSYS CDROM or the ACKSYS web site http www acksys fr 1 6 Default software Upon delivery the default firmware enabled is which enables two main functionnalities TCP server To use WL COMETH in raw mode with a network socket application Telnet RFC2217 To use WL COMETH with a com application needs a COM port redirector like VIP WL COMETH USER S MANUAL Release A 11 March 1 2005 PACKAGE CHECKLIST The WL COMETH package contains the following components One WL COMETH device One DB9 male
29. agent specified in RFC 2134 e supports the infinite lease Limitation of DHCP client in COMETH e the lease of DHCP server must be less than 24 9 days RFC 2136 DNS update with DHCP information 15 not supported the COMETH side So you need a DHCP server which supports RFC 2136 for example the Windows 2000 DHCP server e the COMETH has no IP address as long as the diag LED blinks e only the IP address subnet mask gateway address and lease time are used in the configuration information returned by the DHCP server In order to give an IP address to a COMETH the DHCP server must be able to uniquely identify the requesting device 1 e the COMETH Hence the COMETH must provide a unique identification to the DHCP server Usually the MAC address 15 used for this purpose Some administrators or DHCP servers require other kinds of identification Hence you can either set up manually the Client ID DHCP option 61 else the MAC address will be used as a string identifier If you need you can also set up a Host Name DHCP option 12 The Client ID 15 always sent to the server The Host Name is sent only if set manually Example 1 this sample session will use only the MAC address root gt set net dhcp on OK root gt show net dhcp clientid undefined client id root gt show net dhcp hname undefined host name Now you should save the configuration changes root gt save root reset WL COMETH USER
30. al Up Networking Monitor an the task ta hang up or check the status of your connection The Close on dial option hides the phonebook While dialing and closes it ag as you connect Do not display this message again 26 If the connection is ready you can see an icon in system tray 8 4 ET Use the SLIP connection Run the SLIP connection on your computer for SLIP configuration see section SLIP Configuration on Windows 2000 XP or SLIP Configuration on Windows When the SLIP connection 15 ready you can check it with the PING command For instance if the SLIP IP address on the PC side 15 192 168 2 1 WL COMETH will respond to any IP address in the range 192168 2 2 to 192 168 2 254 Example C sarp d 192 168 2 3 C gt ping 192 168 2 3 Pinging 192 168 2 3 with 32 bytes of data Answer from 192 168 2 3 bytes 32 time lt 10ms TTL 64 Answer from 192 168 2 3 bytes 32 time lt 10ms TTL 64 Your WL COMETH 15 ready for SLIP upgrade You can use the TFTP command to upgrade the WL COMETH firmwares If the PING command results in an error check the SLIP link configuration Also make sure that your WL COMETH is WL COMETH version II NOTE Ping syntax and result depends on the operating system type and version VIII 9Install the WL COMETH WL DONGLE in its final location Now you can unplug the WL COMETH from the administration PC If administration by serial mode ha
31. ally represented in the decimal dotted notation which consists of the decimal value of each of the four bytes separated by dots The IP address is divided into two parts network and host To support different needs three network classes have been defined In the following x stands for the host part of the IP address WL COMETH USER S MANUAL Release A 11 March 1 2005 host part with all bits set to 1 15 the broadcast address meaning for for every device host part with all bits fixed to 0 addresses the network as a whole for example in routing entries Class network IP address 1 to 127 x x x The first byte defines the network and the last three bytes define the host Only 127 different class networks exist and each consist of up to 16 777 216 devices Class B network IP address 128 0 x x to 191 255 x x The first two bytes define the network and the last two bytes define the host Class B networks are typically used for large company networks and each can consist of up to 65 534 devices Class network IP address 192 0 0 x to 223 255 255 x The first three bytes define the network and the last byte defines the host Class networks are the most common and are often used in smaller company and each network can consist of up to 254 devices More complex classes can be defined by manipulating the IP netmask associated with IP address See www ietf org documen
32. another LAN through a router The Network IP address solves this problem by defining addresses which can be subject to routing When the source and destination devices are not on the same LAN the source device can send data to an intermediate gateway also called router The gateway has routing tables which allows it to forward data to the destination device maybe through other gateways The transport layer address called a port 15 used inside a destination device to deliver data to the correct application process The SSID Service Set IDentifier which 1s set on every wireless client and AP defines the logical network for the group of wireless network devices that share that particular SSID You can use any keyboard character to specify the SSID in WL COMETH SSID 15 case sensitive XI 3 Ethernet Address The Ethernet address 1s also referred to as the hardware address or MAC address This address 15 assigned at the factory and should not be changed An Ethernet LAN can be made of hubs switches bridges access points These must not be confused with IP gateways see below XI 4 IP address The IP address 15 a 4 bytes number unique to each device on the network which hosts can use to communicate IP addresses can be private or public Public addresses are reserved to devices that require to send data over a public network such as internet They are usually purchased or leased from a local ISP The IP address 15 usu
33. cp on set net dhcp off set net dhcp clientid ident set net dhcp clientid set net dhcp hname hostname set net ip aaa bbb ccc ddd set net mask aaa bbb ccc ddd set net gateway aaa bbb ccc ddd set net metric mmm set net n t 12 set net keepalive 0 0 0 set net reconnect on set net reconnect off set net ssid SSID change WL COMETH Ethernet address 6 hex digits separated by columns DO NOT CHANGE if you don t know exactly the consequences These two commands turn on or off the DHCP client When DHCP 15 on the manually specified IP address 15 not used replace the standard client ID MAC address as a string by the custom string ident 15 bytes max upper and lower cases allowed delete the custom client ID and use the standard client ID provide the DHCP server with the supplementary Host Name option with value hostname 19 bytes max no spaces allowed upper and lower cases allowed change WL COMETH IP address in dotted decimal notation change the subnet mask change the default gateway IP address number of gateway hops mmm 15 1 to 255 n defines the number of probes to send before closing the connection 41 defines the time in seconds before sending the first probe since the connection is inactive the activation delay mentioned earlier 2 defines the time in seconds between each probes the interval delay mentioned earlier n ranges from 1 to 255 and 2 range from to 655
34. d DHCP 1 no present in WL COMETH version I Does the network administrator or the DHCP server require a specially crafted client identifier Client ID DHCP option 61 e Does the network administrator or the DHCP server require a Client Host Name hostname identifier DHCP option 12 If DHCP 1s not used or not present for WL COMETH version I e IP address for the WL COMETH see below e Does your WLAN need use of a Ne netmask Will the data connection or the admin Gateway address connection cross a gateway Wifi information e SSID of your WIFI network SSID Value e Channel used by other device only in AD HOC mode Channel value D HOC mode Wifi mode used by our network Infrastructure mode Wep Key Wep Key 2 key used on our WIFI network Wep Key 3 Wep Key 4 WL COMETH IP address You must assign an IP address to the WL COMETH YOU CANNOT JUST PICK ONE AT RANDOM and wish it will work The chosen address must meet the following requirements e Its network part must match the network part of other devices on the same WLAN WL COMETH USER S MANUAL Release A 11 March 1 2005 29 e Its host part must be different from any other devices on the same WLAN beware of printers routers and gateways e Its host part must not be a reserved value like 0 or 255 NETMASKS If no netmask applies it can be deduced from the IP address class Cla
35. d connection Connect directly to another computer using your serial parallel or infrared port or set up this computer so that other computers can connect to it C Dial up to private network Connect using my phone line modem or ISDN Dial up to the Internet Connect to the Internet using my phone line modem or ISDN C Connect to a private network through the Internet New Connection Wizard Create a Virtual Private Network VPN connection or tunnel through the Internet Advanced Connection ptions Which type of connection do you want to set up C Accept incoming connections Let other com ectte mine bu phone line the Internet or direct cable Connect directly to another computer Connect using my serial parallel or infrared port Select the connection type you want Accept incoming connections Allow other computers to connect to this com line able connection uter through the Internet a phone lt Back Cancel Connect directly to another computer Connect to another computer using your serial parallel or infrared port 6 Check Guest and click next WINDOWS XP WINDOWS 2000 New Connection Wizard Host or Guest To connect two computers your computer must be identified as either a host or a quest Choose the role you want for this computer Host This compute This computer is used to access infor
36. data exchange IV 4 RS232 Full RS232 EIA TIA 574 Serial interface DB9 male connector with DTE pinout Control signals TxD RxD RTS DTR CTS DSR DCD and RI signals Maximum RS232 distance 15 m 50 ft Speed 10 to 230400 bps Parity none even odd space or mark 7 or 8 data bits stop bit IV 5 Led indicators LED indicators Diagnostic general purpose mode error detection reboot indicator Asynchronous interface Rx Tx activity WLAN interface Rx Tx activity IV 6 Switches One switch allows selection between the two asynchronous serial interface modes Administration Data WL COMETH USER S MANUAL Release A 11 March 1 2005 me IV 7 Environmental limitations Operating temperature 10 C to 60 C 14 to 140 F Storage temperature 40 C to 85 C 40 to 185 F Humidity 0 95 RH without condensation IV 8 Mechanical characteristics Metal housing Size 7 9 5 8 2 3 cm 3x2 2x0 8 in antenna plugs not included Weigth 0 110 Kg 0 24 Ibs One omni directional antenna You can replace them by an antenna with more gain through the external antenna RSMA connector WL COMETH USER S MANUAL Release A 11 March 1 2005 17 V WIFI NETWORK TOPOLOGY V 1 AD HOC network T ri S Computer with Wireless card ye RS232 In AD HOC mode the WL COMETH can establish direct communication with another WIFI equipment This eq
37. dministering through serial port The WL COMETH upgrade 1s protected You must know the administration password to activate the upgrade module WL COMETH USER S MANUAL Release A 11 March 1 2005 26 2 X 3 Handling disconnections in TCP some WL COMETH firmwares use the TCP protocol to communicate with its client application While this protocol provides reliable data transfers it requires the client to establish a virtual link with the WL COMETH and to relinquish this link in order to allow another client to call in the WL COMETH If the client software crashes it has no time to relinquish the link and the WL COMETH keeps thinking that the link 1s established with a client that has disappeared Now if the client application is restarted and tries to connect the WL COMETH will reject the call because it thinks it s already connected Two features of the WL COMETH allow the management of such cases Keep alive This feature allows a WL COMETH device to detect a possible loss of connection with the remote client thus relinquishing the obsolete link and allowing a new connection request to be accepted When no data exchange takes place between the client and the WL COMETH the keep alive feature will wait for a defined amount of time say the activation delay Then it will probe the client several times waiting a bit say the interval delay between each probe for an answer from the client If none of the probes 15 ans
38. e version 0 valid DOWNLOAD STD 3 4 x 0 1 valid DOWNLOAD STD 3 4 x 0 2 valid SERVERCOM 3 6 x 0 3 valid TCP CLIENT 2 2 x 0 valid MODBUS 2 6 x 0 5 invalid OK Now check the currently active firmware root gt show prog enable enable software 2 loading software 2 In the list you can see the number of the file holding the desired firmware the TUNNEL firmware 15 in file 3 Until now the active firmware was 2 which is SERVERCOM You must now activate desired firmware root gt set prog enable 3 root gt save root gt reset Other informations about firmware download installation and selection 15 given In download firmware user guide DTUS040 pdf VIII 8 Activate the relevant firmware for WL COMETH version II In the first installation step you chose the COMETH firmware that most suits your needs Now it is time to activate this firmware and set its own parameters Say that you determined that you need to activate the TCP CLIENT firmware You must download TCP CLIENT firmware in WL COMETH You can download firmware throught WLAN interface or serial interface 8 1 Download firmware through WLAN interface In command example 192 168 1 253 is the IP address of the WL COMETH If your WL COMETH doesn t have this ip address change this by the correct IP address Download the latest version of the firmware on acksys web site www acksys fr or get the firmware
39. e above mentioned computer from one LAN to the other You must set a new appropriate IP address in the computer when you move it from one WLAN to another If there 15 no answer the gateway IP address or the netmask 15 improperly set in the WL COMETH or in your computer Correct the problem with the administration system Be sure to save the changed configuration and reset the WL COMETH Also the gateway itself may be improperly set Check with your network administrator Did you set the gateway address if any in the COMETH Else the COMETH can receive the PING but does not know where to send the answer WL COMETH USER S MANUAL Release A 11 March 1 2005 3 IX 4 Checking configuration When you can PING the WL COMETH you should be able to use remote administration Try to connect to the administration system C gt telnet 192 168 1 253 If the connection is refused another TELNET 15 already connected to the WL COMETH You can also use the asynchronous port administration Please refer to section IX 4 Administration by RS232 serial port to do this You can also use the easy to use browser admin tool available on CD or in our web site www acksys fr It too uses telnet to set up the WL COMETH configuration IX 5 Checking the administration mode The WL COMETH has three administration modes 1 Administration by telnet through WLAN interface If the administration switch is on admin off positi
40. eters 2400 bauds bits second 8 bits parity none stop bit no flow control Hyperterminal now displays a blank window Hit the ENTER key to display the admin prompt VIII 4 4 Proceed to paragraph IX 6 TCP IP configuration WL COMETH USER S MANUAL Release A 11 March 1 2005 30 VIIIS Administration by WLAN The default IP address of the WL COMETH 15 192 168 1 253 You can install WL COMETH for the first time by WLAN only if your network can match this requirement and the SSID of the AP is acksys Only one new WL COMETH can be turned on in the WLAN at a given time until you have assigned a different IP address on each WL COMETH Otherwise conflicts will result VIII 5 1 WL COMETH preparation The Admin switch must be off In this case the orange LED must not blink twice per second VIII 5 2 Computer configuration Configure a computer with an IP address 192 168 1 x where x z 253 and x z 255 and x 0 and x any address already assigned on the LAN and WLAN Check that the computer 15 connected to the same WLAN than WL COMETH VIII 5 3 Access Point configuration Configure your AP with SSID acksys Please refer to your AP documentation Check the link between WL COMETH and AP with the RF signal quality LEDs and the PING command VIII 5 4 Run Telnet C gt telnet 192 168 1 253 Telnet displays a banner and a prompt from the WL COMETH Type login root Password r
41. he specified values in the data area which holds all the configuration parameters common to all firmwares in the WL COMETH This command should be copied and pasted from the output of the corresponding show command below Its purpose is to copy exactly a WL COMETH s configu ration in another one or to restore a lost configuration display all the configuration parameters common to all firmwares in the WL COMETH Offset must be 0 The purpose of this command 15 to display set common commands see above necessary to fully restore common parameters in a WL COMETH insert the specified values data area which holds all the configuration parameters specific to one of the firmwares in the WL COMETH This command should be copied and pasted from the output of the corresponding show command below Its purpose is to copy exactly a WL COMETH s configura tion in another one or to restore lost configuration BEWARE WL COMETH version I There are as many parameter sets as firmware segments in the FLASH EPROM The same firmware can be downloaded in several segments in the WL COMETH for example for testing purpose In this case there will be several parameter sets for this firmware WL COMETH version II There 1s only one set of local parameters which 15 over written when a new firmware 15 downloaded in the WL COMETH display all the configuration parameters specific to one of the firmwares in the WL CO
42. hen delivered Chapter HI Product specifications describes the fundamental possibilities of the product Chapter IV WIFI network topology describes the difference between AD HOC and INFRASTRUCUTURE WIFI topology Chapter V Connectors describes the serial connectors of the WL COMETH Chapter VI Cabling recommendations gives some background required to install the WL COMETH Chapter VII Getting started is a step by step description of a typical WL COMETH installation in a simple application context Chapter Troubleshooting gives hints on what to do when the installation fails Chapter IX Advanced configuration describes all the configuration parameters you can use and how to use them Chapter X Addressing in Network protocols gives some background in networking required to install the COMETH It 15 expected that the reader of this manual has some background knowledge of TCP IP and how to setup and use TCP IP on a Windows based PC As well anyone installing a COMETH should know how his her network 15 organized WL COMETH USER S MANUAL Release A 11 March 1 2005 m I 2 The Ethernet to serial converters range The WL COMETH is part of our WIFI products range which includes the WL ACCESS a WIFI access point for Ethernet and the WL BRIDGE a Ethernet to Ethernet WIFI bridge The WL COMETH range 15 further extended with the COMETH range which offers different p
43. key 1 128 below when the key value is set to zero one digit deletes key number keynum Example Clear WEP key set net wepkey 1 0 WL COMETH USER S MANUAL Release A 11 March 1 2005 set net usekey keynum set net auth mode set net unencrypted mode set net txrate xrate 65 configures the WEP key used for transfer If parameter is left empty WL COMETH won t use any WEP key Example Activate 64 bits WEP key set net usekey 1 Activate 128 bits WEP key set net usekey 1 128 Disable WEP key in WL COMETH set net usekey Set the authentication mode This command 15 not valid in WL COMETH version I Mode 1s one of Open Share Open The WL COMETH 15 authenticated by its MAC address default value Share the WL COMETH 1 authenticated by its WEP Key Example set net auth share configures the authentication by WEP key Configure if the device accept or ignore the unencrypted WIFI packet This command is not valid in WL COMETH version I Mode 1s one of ignore or accept Ignore The WL COMETH ignore all WIFI packet unencrypted accept The WL COMETH accept all WIFI packet unencrypted default value sets the WIFI transmit rate tvrate is one of 1 2 5 5 11 automatic 1 2 5 5 or 11 WL COMETH will always use the given transmit rate automatic WL COMETH will automatically choose the appropriate transmit rate Setting displaying a group of parameter
44. l you can see an administration banner and WL COMETH prompt Press the enter key if you don t see the WL COMETH prompt On the terminal type these commands root set upgradeperm allow root gt save root gt reset After reset the administration mode does not work anymore This is normal Configure terminal to 115200 bauds and type C in upper case CLIENTSERVER must appear in the terminal window Ifyou can see this text close the terminal window and make SLIP connection To configure a SLIP connection please refer to the section VII 8 3 Configure a SLIP connection When the SLIP connection 15 etablish download the firmware with the tftp command C Ntftp i 192 168 2 253 put tcpclient ftp Ifthe download is correct the WL COMETH reboots After upgrade the network configuration of WL COMETH 1s not changed and the SLIP connection is disabled WL COMETH USER S MANUAL Release A 11 March 1 2005 46 VIIL 8 3 Configure SLIP connection Windows 9x and Windows Me do not handle SLIP connections For other operating systems Windows 2000 XP Linux you must set up your SLIP connection with these parameters 115200 bauds 1 stop bit 8 data bits no parity no flow control neither hardware nor software and no authentification We explain below the SLIP configuration for Windows 2000 XP NT 4 Screenshots are dependant of the Windows version and service pack 8 3 1 S
45. mation on the host computer WL COMETH USER S MANUAL 01115044 Release A 11 March 1 2005 3 amp 8 7 Select Communication cable between two computers COMI and click Next WINDOWS XP WINDOWS 2000 New Connection Wizard Select a Device This is the device that will be used to make the connection Select a devi Communications cable between two computers COM1 Communications cable between two computers COM T1 Communications Port 2 Direct Parallel LPT1 8 Select if you want share this connection with all user and click Next 9 click on buton finish WINDOWS XP WINDOWS 2000 New Connection Wizard Completing the New Connection Wizard You have successfully completed the steps needed to create the following connection Direct Connection Share with all users of this computer The connection will be saved in the Network Connections folder Add a shortcut to this connection to my desktop To create the connection and close this wizard click Finish 10 At this time you must have a connection dial up window WINDOWS XP WINDOWS 2000 Connect Direct Connection User name Password Save this user name and password for the following users Me only Anyone who uses this computer WL COMETH USER S MANUAL 0115044 Release A 11 March 1 2005 49 11 Click on the Properties button 12 In the general tab click on the configure button
46. maximum number of gateways to cross if the factory default of 10 15 not enough The following line is required only if you will cross more than ten gateways root gt set net metric n 66 39 15 the number of gateways to cross If you use DHCP server that provides gateway information to the COMETH you won t need the following command Otherwise the following command is required if you need to cross one or more gateways root set net gateway XXX YYY ZZZ TTT XXX YYY ZZZ TTT is the address of the gateway closest to the COMETH here closest means that it is on the same Ethernet LAN Do not forget to save the configuration changes root save root reset WL COMETH USER S MANUAL Release A 11 March 1 2005 EUR VIII 6 3 Dynamic IP address and gateway configuration with DHCP Note DHCP 18 not available in WL COMETH version I Diag LED blink in DHCP mode When the diagnostic LED red LED is blinking once per second the COMETH is requesting a network configuration to DHCP server Functionality of the DHCP client e supports all kinds of IP configuration Manual Automatic Dynamic see RFC 1541 e supports option 12 of RFC 2132 Host name e supports option 61 of RFC 2132 client ID The default client ID used is the MAC address of the COMETH or a ClientID configured by the set net dhcp clientid command The MAC address is used ClientID 15 empty e supports DHCP agent or BOOTP
47. n a network server or raw data tunnelling If you want to use the MODBUS protocol inany case you can use the MODBUS firmware e if there is only one serial master and one serial slave or several serial slaves all connected on the same RS485 cable you can also use tunnelling with a couple of SERVERCOM and TCPCLIENT e if the masters are on the network not on a serial link they use MODBUS TCP you must use the MODBUS firmware on the slave side only e if the slaves are scattered among several access points in the network you must use the MODBUS firmware on each slave side Firmware selection criterions If you want to exchange serial data no control signals between two or more devices through a LAN use COMETH MULTIPOINT on all the serial attachements involved If you want to tunnel serial data through a TCP IP network e if not loosing data is more important than speed network bandwidth and serial control signals you must use SERVERCOM on one side TCPCLIENT on the other side If you want to access a remote serial device from your application usually SERVERCOM on the device side will do that If you want a remote serial device to call into your application TCPCLIENT 15 what you need WL COMETH USER S MANUAL Release A 11 March 1 2005 _28 VIII 2 Collect network characteristics You will need at hand the following information about your WLAN Will the COMETH use DHCP If DHCP is use
48. ng recommendations Software configuration Check section XI Advanced configuration to select your electrical interface In RS422A mode Identify A A B amp B signals on the equipment side Endpoints A B A and B are as defined in the EJA 422 and V11 recommendations such that V4 lt Vg and V4 lt Vg when idle state also called MARK or OFF Transmission Reception of stop bits Connect signal A of the WL COMETH to signal of the equipment Connect signal B of the WL COMETH to signal B of the equipment Connect signal of the WL COMETH to signal A of the equipment Connect signal B of the WL COMETH to signal B of the equipment WL COMETH USER S MANUAL Release A 11 March 1 2005 992 In RS485 mode Identify amp signals the equipment side Endpoints AA and BB are as defined in EIA 485 and VII recommendations such that lt Vgg when idle state also called MARK or OFF Transmission Reception of stop bits Connect signal of the WL COMETH to signal of the equipment Connect signal of the WL COMETH to signal of the equipment Line polarization Line polarization is needed for stability in RS485 mode and RS422A mode in multidrop Master Slave set up also called RS485 4 wires Line polarization 15 integrated to the WL COMETH In WL COMETH version I can be connected by cabling 2 straps on the DB9 female connector
49. nistration session and reboot the WL COMETH to ignore parameters changed but not saved to reload saved parameters The following parameters do not need a reset to take effect location 142217 showperm netconfigperm serial termtype serial interface quit close administration session TELNET only General parameters changes set login username change administrator name 8 bytes max Upper and lower cases set password password change administrator password 8 bytes max Upper and lower cases set location ocation change location description 30 bytes max Upper and lower cases set showperm allow allow or deny the right to display configuration set showperm deny information without entering the administrator password set netconfigperm allow allow or deny the right to use the administration system set netconfigperm deny from the network set upgradeperm allow allow or deny the right to make an upgrade If this flag 15 set upgradeperm deny allowed and you push admin switch to the ON position upgrade 15 make through SLIP interface This command 15 not valid in WL COMETH version I firmwares parameters changes only in WL COMETH version I Else see download firmware user guide DTUS040 pdf set prog enable Seg Enable firmware located in segment Seg WL COMETH USER S MANUAL Release A 11 March 1 2005 Network parameters changes 63 set net ethernet XX XX set net dh
50. on the orange DIAG light must not blink twice per second This mode can be used directly with TELNET or though the browser adin tool 2 Administration by terminal through serial interface If the administration switch is on admin on position the orange DIAG light must blink twice per second and when you connect a terminal 8 data bits no parity 1 stop bit no flow control 2400 baud and press enter key you must see WL COMETH prompt gt 3 Administration by telnet through SLIP interface except WL COMETH I If the administration switch is on admin on position the orange DIAG light must blink twice per second and when you connect a terminal 8 data bits no parity 1 stop bit no flow control 115200 baud and press C key in upper case you must see the SLIP string CLIENTSERVER IX 6 Checking the software At this step the COMETH network parameters are correctly set Any other problem remaining must come either from the remote side configuration driver or software or from mismatched configuration between the COMETH firmware in use and the remote side So please now refer to the relevant COMETH firmware user guide for further troubleshooting WL COMETH USER S MANUAL Release A 11 March 1 2005 _ 58 WL COMETH USER S MANUAL Release A 11 March 1 2005 59 X ADVANCED CONFIGURATION X 1 Access to administration commands You can access the administration
51. on by software built in automatic turn around in RS422A and RS485 mode External power supply 9 to 36 VDC for WL COMETH DC Main power supply 85 to 246 VAC for WL COMETH Power supply protection by current limitation RS422A RS485 protection against temporary line voltage surges by peaks breakdown voltage 6 5V in common and differential mode capacitance 0 3 kW over 8 20 us RS232 RS422 RS485 15 kV ESD protection 3 DC Power External power 9 to 36 VDC DC POWER via 3 pins screw terminal connector Maximum current 300 mA at 9 VDC Power consumption 3W max 4 AC power Main power 85 to 246 VAC 47 440 Hz 3W max WL COMETH USER S MANUAL Release A 11 March 1 2005 19 5 WLAN interface WIFI 802 11b interface Ethernet speed 1 2 5 5 11 Mbps 300 m 984 ft nominal range open space from access point 60 m 200 ft in other cases 4 WEP keys 64 128 bits IP Protocols IPv4 ICMP DHCP TCP Telnet RFC 2217 Two TCP ports port 23 for TELNET administration one UDP port port 68 when DHCP 15 used other TCP and UDP ports available and configurable for data exchange III 6 Serial interface The type of serial interface is selectable through the administration system You can use RS232 or RS422A RS485 but not both simultaneously 6 1 RS232 Full RS232 EIA TIA 574 Serial interface DB9 male connector with DTE pinout Control signals TxD RxD RTS DTR CTS DSR DCD and RI signals Maximum RS232 distance 1
52. oot 5 5 Proceed to paragraph IX 6 TCP IP configuration WL COMETH USER S MANUAL Release A 11 March 1 2005 VIIL 6 TCP IP configuration The IP address of the WL COMETH must be unique the network You can statically specify the address you want by means of the administration commands or you can use an existing DHCP server on the network to give you an available address If you define both DHCP and static IP address the DHCP configuration will override the static IP VIII 6 1 VIII 6 2 Static IP address configuration SSID configuration replace D by your AP SSID root set net ssid ID In the following lines replace XXX Y YY ZZZ TTT by the IP address and netmask you chose for the WL COMETH root set net ip XXX YYY ZZZ TTT root set net mask XXX YYY ZZZ TTT Now you should save the configuration changes root save root reset Example this sample session will reinstall factory values root set net dhcp off not available on WL COMETH I OK root set net ip 192 168 1 253 OK root set net mask 255 255 255 0 OK root save OK root reset WL COMETH SERVERCOM version 3 6 2 0 Administration mode ready Static router gateway configuration If the COMETH and the network application using it are not on the same Ethernet LAN 1 e if they are separated by one or more gateways also caller routers you must set the nearest gateway address into the COMETH and you must set the
53. packet are ignored If this option is disable unencrypted wifi packet are sent to Serial interface To activate this option use command set net auth See command list for more information This function 15 not available in WL COMETH version I gt Change login and password Don t use default login root root because all Acksys devices have this login by default and it is easy to guess You can change login with the command set login xxx and set password See command list for more information gt Authentication mode You can choose between two authentication mode Open or share Open mode In this mode all WIFI device are authenticated by their MAC addresse Share mode In this mode all WIFI device are authenticated by their WEP key You can change the authentication mode with the command set net auth See command list for more information This function 15 not available in WL COMETH version I The access to the administration system through TELNET 15 protected with a username login and password The default setting 15 login root password root You can change these settings You can display the WL COMETH configuration without logging in but you cannot change it This behavior can be changed to NOT displaying the configuration as well without the proper password You can forbid administration from the network after which the WL COMETH configuration can only be achieved by a
54. ress administration port telnet 23 max size of sent frames max size of received frames number of allowed gateway hops for outgoing traffic 0 255 keepalive parameters as probes 71 12 sec else Keepalive off forced reconnection feature use on off WL COMETH s SSID WEP key configured in WL COMETH gt Show net wepkey Wep key 1 0215426584000000 Wep key 2 AEFCD20489000000 key 3 25ADCF56CE000000 Wep key 4 F8A2D25DFF000000 Wep key used 1 len 64 bits Accept uncrypted data Ignore last 6 digits The COMETH accepts the unencrypted data This parameter is not showing in WL COMETH version I configured and currently used values for the WIFI configuration channel txrate For example AP density High tx rate automatic 11 Mb RF Signal quality 100 5 Authentication type open Here the configured channel is 10 the channel in use is 1 the configured and currently used transfer rate are both 11 Mb s The authentication mode is open This parameter is not showing in WL COMETH version I Release A 11 March 1 2005 68 show prog data Seg same in computer readable format show prog list Display informations about all 6 firmwares only on WL COMETH version I show prog enable Display the currently running firmware and the one that will run after the next reset WL COMETH USER S MANUAL Release A 11 March 1 2005 69 X 5 Factory settings common to all firmwares prog enable
55. roducts each designed for a specific market and needs COMETH The simplest device of the range designed for most common RS232 serial device Metal housing Dongle DB9 XX small RS232 10 BASE T LAN interface external power supply with jack connector Option available on request for quantity only Power over serial without metal housing COMETH FIELD The COMETH FIELD range is specifically designed for IA market Metal housing Din Rail mounting RS232 RS422 RS485 serial interface 10 BASE T LAN interface DC power from 9 to 36 VDC Option available on request for quantity only Isolated 9 to 36 VDC or 18 to 72 VDC 10 BASE T LAN interface COMETH EMBD The COMETH EMBD range 15 specifically designed for OEM market and used as a component to integrate into an electronic design TTL serial interface 10 BASE T LAN interface available with its transformer RJ45 connector and 3 LEDs mounted or without its transformer and RJ45 connector or with transformer and additional connector in separate package WL COMETH USER S MANUAL 12115044 Release A 11 March 1 2005 I 3 The WIFI to serial converters range WL COMETH version I The WL COMETH is specifically designed for connecting RS232 422 485 equipment with the network when you can t plug Ethernet wire moving device Metal housing RS232 RS422 RS485 serial interface WIFI 802 11b interface DC power from 9 to 36 VDC or AC power from 85 to 264 VAC WL COMETH ver
56. s The following commands allow to retrieve and globally set the WL COMETH configuration Security note sensitive data like login and password information are conveyed in clear text by the following commands You must take any step to protect these data from disclosure As a basic protective step the commands themselve can only be used by a logged in operator WL COMETH USER S MANUAL Release A 11 March 1 2005 66 Usage note Some data conveyed by these commands should be kept unique to a WL COMETH This applies especially to the IP and MAC addresses in the common parameters You should either avoid to change this unique data or to restore them after using set commands Usage note Some parameters take effect immediately as specified elsewhere Beware that the parameters you change do not affect the WL COMETH at the moment you set them For example if you change the DHCP Client Id this will take effect at the next lease expiration which could happen soon If you change the MAC address it could adversely affect ARP responses if such a request is received For these reasons a set common command should be followed by a save and reset command set default set common offset hex hex hex show common offset set local offset hex hex hex show local offset restore factory defaults except the MAC address the save count the current firmware and the next firmware to run insert t
57. s been selected push the mode switch on the other side thus allowing data to go from Ethernet to the asynchronous interface WL COMETH USER S MANUAL 1510 5044 Release A 11 March 1 2005 5 Check the cabling of your device against the cabling of the WL COMETH see section VI Security Several levels of security are parametrables In its default setting the WL COMETH is does not activate any function of advanced security To harden the confidentiality of the network exchanges see chapter X 2 Security VIII 10 Other configuration Many other configuration options are available You can enforce some setup or behavior of the asynchronous serial interface change more network parameters like the data TCP port set up security options and so on Please refer to the Advanced configuration section Check also the parameters settings section of the relevant firmware document 1 0 SERVERCOM MULTIPOINT MODBUS To use the SERVERCOM mode see documentation SERVERCOM UserGuide DTUS043 pdf To use the MODBUS TCP mode see documentation MODBUS TCP UserGuide DTUS041 pdf To use the TCPCLIENT mode see documentation TCPCLIENT UserGuide DTUS045 pdf To use the MULTIPOINT mode see documentation MULTIPOINT UserGuide DTUS056 pdf You are now ready to use the WL COMETH WL COMETH USER S MANUAL Release A 11 March 1 2005 50 WL COMETH USER S MANUAL Release A 11 March 1 2005 _ 53 IX TROUBLESHOOTIN
58. screw terminal Only in WL COMETH version I package One DB9 female to DB9 female null modem cable One main supply cable WL COMETH quick start guide ACKSYS CD ROM The WL DONGLE package contains the following components One WL DONGLE device One DB9 female to DB9 female null modem cable WL DONGLE quick start guide ACKSYS CD ROM WL COMETH USER S MANUAL Release A 11 March 1 2005 10 WL COMETH USER S MANUAL Release A 11 March 1 2005 NEM WL COMETH PRODUCT SPECIFICATIONS 1 WL COMETH version I characteristics RS232 or RS422A RS485 to WLAN Metal housing including DB9 male connector on the RS232 side DB9 female on the RS422A RS485 WIFI interface 802 11b at 11 Mbit s RS232 RS422A RS485 Master or Slave selection by software built in automatic turn around in RS422A and RS485 mode External power supply 9 to 36 VDC for WL COMETH DC Main power supply 85 to 246 VAC for WL COMETH Power supply protection by current limitation RS422A RS485 protection against temporary line voltage surges by peaks breakdown voltage 6 5V in common and differential mode capacitance 0 3 kW over 8 20 us RS232 RS422 RS485 15 kV ESD protection 2 WL COMETH version II characteristics RS232 or RS422A RS485 to WLAN Metal or plastic Weather proof version housing including DB9 male connector on the RS232 RS485 422 side WIFI interface 802 11b at 11 Mbit s RS232 RS422A RS485 Master or Slave selecti
59. sion II The WL COMETH is specifically designed for connecting RS232 422 485 equipment with the network when you can t plug Ethernet wire moving device Metal housing RS232 RS422 RS485 serial interface WIFI 802 11b interface DC power from 9 to 36 VDC or AC power from 85 to 264 VAC WL COMETH version II Weather Proof The WL COMETH WP 15 specifically designed for connecting RS232 422 485 equipment with the network when you can t plug Ethernet wire moving device Plastic housing IP65 RS232 RS422 RS485 serial interface WIFI 802 11b interface DC power from 9 to 36 VDC or AC power from 85 to 264 VAC WL DONGLE The WL DONGLE 15 specifically designed for connecting RS232 equipment with the network when you can t plug Ethernet wire moving device Device 15 very compact and 15 specially designed to satisfy the needs of the system integrator market Metal housing RS232 serial interface WIFI 802 11b interface DC power 5 V through external power supply WL COMETH USER S MANUAL Release A 11 March 1 2005 14 Application software The WL COMETH version FLASH EPROM can contain up to six different firmwares including client and server software tunnelling modbus support etc New firmwares can be developed by ACKSYS to meet specific needs To list all firmwares flashed in the WL COMETH FLASH EPROM a dedicated administration command show prog list can be run see chapter CCommands list See downlo
60. ss A netmask 255 0 0 0 Class B netmask 255 255 0 0 Class C netmask 255 255 255 0 If 1n doubt please ask to the local Network Administrator VIII 3 Connect power adapter Connect the power supply to the WL COMETH Notice WL COMETH has no ON OFF switch It turns on automatically when power supply 15 connected 4 Administration by RS232 serial port This 1s the recommended procedure to install a new WL COMETH In some cases you can install a new WL COMETH through the WLAN refer to paragraph IX 5 Administration by WLAN 4 1 Select Administrator mode Push the switch towards the Admin position The orange DIAG light should blink twice per second If it 1s not the case try pushing the switch in the opposite direction VIII 4 2 Connect to a serial port This step 1s required to change the default WL COMETH IP address Below we describe how to do this with a PC with Windows Other devices ANSI console or operating systems Linux with minicom or can be used but this 1s beyond the scope of this manual The WL COMETH has one male DB9 RS232 connector with DTE cabling You can use the provided null modem cable and plug it directly into a standard DB9 male connector PC COM port for example VIII 4 3 Run Hyperterminal When asked to choose a modem or port select a direct connection to COMx being the COM port which you plugged the WL COMETH select the following port param
61. system by four means 1 Browser administration tool through WLAN 2 Serial terminal through the RS232 interface 3 TELNET through the WLAN 4 TELNET through the RS232 SLIP interface only with WL COMETH version II The browser administration tool must be installed first on a computer supporting at least internet explorer 6 0 You run the browser administration tool by clicking on the desktop icon which was added during the installation You can then use simple browser menus The browser converts transparently your configuration changes to TELNET administration commands understandable by the WL COMETH The RS232 administration is activated by pushing the ADMIN switch to the ON position This forbids parallel use of the WL COMETH for data transfer The TELNET administration is activated by TELNETing to the IP address of the WL COMETH on port 23 which is the default port for TELNET In this way data transfer can proceed parallel This is useful for probing configuration without changing it When TELNETing to one out of many WL COMETH you can wonder where is the device you are accessing There 1s a field called location that you can set up and display to reflect the physical location of the device The SLIP administration except in WL COMETH version 15 activated only by pushing the admin switch to on position when the upgradeperm 15 set to allow You have this case if you want to upgrade yo
62. tation The bits set to one in the IP netmask define the bits of the associated IP address to be taken as the network part X 255 0 0 0 B 16 1 25525500 C 24 8 2552552550 Each COMETH has one user assigned IP address Its factory assigned default value 15 the Class C address 192 168 1 253 XI 5 Gateways Each network device communicating through gateways MUST know the IP address of the gateway nearest to it It will use this gateway to forward data to farther LANs If a device does not know its gateway it may receive data but may not return an answer For example this can forbid answering a PING even if the PING request makes its way to the device A CONNECTING THROUGH GATEWAYS EXAMPLE 192168112 10 1 2 30 192 168 1 254 Devices Device 1 computer COMETH Gateway 1 Must know about Must know about address address 10 1 2 1 to 192 168 1 254 to send to Device 2 send to Device 1 WL COMETH USER S MANUAL Release A 11 March 1 2005 73 XI 6 TCP port number Every TCP connection is defined by a source and destination IP address and port number For example a TELNET application commonly uses destination port number 23 To support its two application processes the COMETH uses TCP port 23 to allow remote administration and one more TCP or UDP port depending on the firmware for data exchange with the asynchronous port WL COMETH USER
63. twork Turn off the WL COMETH unplug supply connector then try to PING the WL COMETH address from a computer connected to the local network This should result in an error or timeout C gt arp d 192 168 1 253 C gt ping 192 168 1 253 Pinging 192 168 1 244 with 32 bytes of data Request timeout Request timeout Request timeout Request timeout The Request timeout error messages are normal and expected in this case If this 1s not the case another host has the same IP address Correct the problem If the answer 15 some message like route to host the computer you are using for the test has no access to the WL COMETH s WLAN or the network part of the IP address of WL COMETH 1 incorrect e Now turn on the WL COMETH plug in the power supply connector and try to PING gt d 192 168 1 253 C gt ping 192 168 1 253 Pinging 192 168 1 244 with 32 bytes of data Answer from 192 168 1 253 bytes 32 time lt 10ms TTL 64 Answer from 192 168 1 253 bytes 32 time lt 10ms TTL 64 Answer from 192 168 1 253 bytes 32 time lt 10ms TTL 64 Answer from 192 168 1 253 bytes 32 time lt 10ms TTL 64 If there is no answer the IP address of the WL COMETH 1s not this one Correct the problem with the administration system Be sure to save the changed configuration e Then if you need to cross a gateway PING the WL COMETH from a computer installed on the other side of the gateway DO NOT just move th
64. u can have communication problems with access point AP Change antennas orientation or move the WL COMETH With WL COMETH version only when WL COMETH cannot link to an Access point this LED blinks with the six RF signal quality LED If all LED are flashing the WL COMETH is out of range of AP or it does not find an AP with the same SSID as itself WLan Tx Rx This LED flashes when sending or receiving data on WLAN If the WLAN Tx Rx LED stays off while your device is sending data it means that your SSID is bad the WL COMETH IP address is not correct Serial IP 1s not properly installed or the WL COMETH is not connected to the same SSID than your device If the WLAN Tx Rx LED stays off while you are sending data to your device it means that your cable is bad the WL COMETH IP address 1s not correct Serial IP is not properly installed or the WL COMETH does not receive data on the asynchronous serial interface WL COMETH USER S MANUAL Release A 11 March 1 2005 55 IX 2 Checking WLAN topology IX 2 1 WL COMETH working in infrastructure mode You must have an access point to use the WL COMETH Access point area i WL COMETH out of 2 N fe 1 1 0 WL COMETH in ACCESS point 2 YAP area M 4 eee lt lt If the WL COMETH
65. uipment can be another WL COMETH or any WIFI enabled device In this mode WL COMETH cannot communicate with a wired Ethernet interface equipment If you use the AD HOC mode to make a connection between two modbus RTU networks use the MODBUS firmware on both sides and configure one of them in client mode and the other in master mode If you use AD HOC mode use the TCPCLIENT firmware on one of the two WL COMETH and use the SERVERCOM firmware on the other V 2 Infrastructure network Internet a manet P 4 iij 4 WL COMETH 2 om ig Computer with interface In infrastructure mode you must have an access point AP In this mode WL COMETH can communicate with all the devices on your WIFI network through the AP as well as with all the devices on the Ethernet In the default configuration the WL COMETH uses infrastructure and tries to connect to an access point with the SSID acksys WL COMETH USER S MANUAL 1510 5044 Release A 11 March 1 2005 18 WL COMETH USER S MANUAL Release A 11 March 1 2005 19 CONNECTORS VI 1 POWER connector cabling VI 1 1 WL COMETH DC power connector This connector is valid only on WL COMETH DC DC version of WL COMETH version and version II Screw terminal connector 3 pins Positive power supply VI 1 2 WL DONGLE power connector Female Jack GND 5 Vdc VI 2 RS232 connector cabling It 15 the
66. ur WL COMETH firmware through SLIP interface until the upgrade is complete and successful If you want to return in RS232 administration mode make a TELNET on the SLIP IP address of WL COMETH and reset upgradeperm command set upgradeperm deny Save your configuration and reset the WL COMETH After reset your WL COMETH 1s in RS232 administration mode but upgrade is not available The SLIP administration is automatically reset to RS232 administration after a successful upgrade or by setting upgradeperm to deny See section Use the SLIP connection for more detail on SLIP connection and see section Configure a SLIP connection to make a configuration WL COMETH USER S MANUAL Release A 11 March 1 2005 60 X 2 Security Several levels of security are parametrable In its default setting the WL COMETH 15 not activating any function of advanced security To harden the confidentiality of the network exchanges you have the following functions gt key When wep key 15 enabled data 15 encrypted with the used key If you want to use WEP key all WIFI devices Access point bridge computer with the same SSID must use the same WEP key To enable WEP key you have to use the command set net wepkey and set net usekey See command list for more information gt Deny unencrypted data If you use WEP key you can enable this option When this option 15 enabled unencrypted wifi
67. wered the WL COMETH closes the TCP connection In the process it may also drop control signals on the asynchronous serial port depending on the serial dtr and rts settings The set net keepalive and show net keepalive series of commands allow you to set up this mechanism Forced reconnection The reconnect feature available int the servercom firmware only as an alternative to the keep alive mechanism allows the WL COMETH to accept unconditionally at any time a new connection request emanating from the same IP address as the currently opened connection this one 15 then closed immediately The set net reconnect and show net reconnect series of commands allow you to set up this mechanism Security note Although the forced reconnection method seems more attractive than keep alive it may lead to security weakness that should be carefully considered in sensitive environments since connection request packets may be forged by a malevolent user on an open network a denial of service to the legitimate user can be induced when this feature 1s used WL COMETH USER S MANUAL Release A 11 March 1 2005 62 X 4 Commands list General purpose commands login username start the administrator identification sequence Ask password save save the current configuration to the permanent configuration memory which 1s used after reboot and remains when the WL COMETH is powered off reset close the admi

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