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Troubleshooting

 

AXIS 2490 User’s Manual

 

26 

Sample Log File

Note:

If you still have a problem after reading this information, please contact your reseller or check 
the FAQ on the Axis Website at www.axis.com.

The TCP port number is 
wrong.

Make sure you use the same port number the 2490 is configured 
for.

The 2490 is not in Generic 
TCP/IP mode. 

Check the settings in the 2490.

An established connection is 
closed immediatly.

Someone else is already 
using the port and has 
connected to the Axis 2490.

Select "View Log FIle" in the Server settings to see if anyone else 
has connected. See the example Log File Below. You may want to 
configure "Allowed IP addresses" and restart the unit.

You have enabled "Allowed 
IP addresses" but your IP 
address is not allowed.

Check the settings in the 2490.

Jan

1 03:56:20 ado-6 sersrvd[19]: Port COM1 server 12 connected from10.13.7.12

Jan

1 03:56:29 ado-6 sersrvd[19]: Port COM1 server 13 connected from 10.13.7.13

Jan

1 03:56:29 ado-6 sersrvd[19]: Port COM1 close(13) - too many connections.

Jan

1 04:27:07 ado-6 sersrvd[19]: Port COM1 net close(12) rx: 2 tx: 0

Symptoms

Possible causes

Remedial actions

Содержание 2490

Страница 1: ...User s Manual ...

Страница 2: ...quirements for radiated emission according to limit B of EN55022 1994 and the requirements for immunity according to EN55024 1998 residential commercial and light industry Liability Every care has been taken in preparing this manual If you find any inaccuracies or omissions please inform your local Axis office Addresses and telephone numbers can be found on the AXIS website at www axis com Axis Co...

Страница 3: ...r Serial Server 18 Complete the Basic Installation Using the Installation Wizard 18 Using the Administration Tools 21 Reinstating the Factory Default Settings 23 Appendix A Troubleshooting 24 PINGing Your IP Address 24 How to test your setup 24 Test a COM Port Redirector 25 Symptoms Possible Causes and Remedial Actions 25 Appendix B Technical Specifications 27 Appendix C Updating the Software 31 A...

Страница 4: ...viding applications with convenient remote access to these resources via HTTP and TCP IP The illustration below shows the following physical setups to The PC application uses a network socket or a COM Port redirector to communicate to PC to Serial Server to network This can be used if you have an old application that uses the serial port and when you can t use a COM port redirector to Two serial d...

Страница 5: ...as the transport protocol One or two serial servers replace long cables and one PC allowing dramatic reductions in installation costs The network solution also makes it possible to contact the application device remotely As there are no physical confinements the device can be managed from anywhere within the network and controlled centrally which is useful if many people need access Service engine...

Страница 6: ...curity Data protection is normally implemented by your Network Administrator using the unit s security settings in combination with an organization s Internet firewall The Administrator can decide whether individuals groups the whole company or the whole world may access your Serial Server The AXIS 2490 supports multi user password protection Furthermore when using the serial ports in TCP IP mode ...

Страница 7: ...tory settings Screw Connector Block One RS 485 RS 422 serial port on screw terminal block The block connector also provides an auxiliary connection point for AC or DC power to the unit Network Connector The AXIS 2490 is designed for 10 Mbps Ethernet and 100 Mbps Fast Ethernet networks and connects to the network via a twisted pair category 5 cable 10baseT and 100baseTX termi nated using a standard...

Страница 8: ...ections of this document Checking the Hardware Inventory Unpack and check all the items against the itemized list below You should contact your dealer immediately if you find anything is missing or damaged Item Model Variants Part Numbers Serial Server AXIS 2490 0108 001 01 Power Supply PS B Europe 13267 UK 13268 Australia 13269 USA 13270 Japan 13936 4 x Rubber Feet 13933 4 x Screws ST4 2X25 RXS Z...

Страница 9: ...ork LAN WAN to connect to your serial device Using the AXIS 2490 Serial Server as the link between the serial device and the network simply connect the device to the AXIS 2490 which in turn plugs into the LAN WAN Lastly set the IP address for the Serial Server and you re ready to start using your serial devices over the network Port Modes The Serial Server has two operational modes Generic TCP IP ...

Страница 10: ...he configuration set by the application on the PC Remote access using a COM port redirector Many applications require local serial ports for their function and will not work with a networked serial port which is what you ll have when using the AXIS 2490 To make the server s ports appear to the application as if they were local ports you must install and use additional software a COM Port Redirecto...

Страница 11: ...be used to connect two serial devices or a serial device with a PC using an application that uses COM ports See Tunnel Communication on page 36 for the necessary settings Generic HTTP The Generic HTTP mode gives you the ability to receive status data and send commands via HTTP Communication via HTTP can be restricted to defined users or it can be available for annonymous access ...

Страница 12: ... address featured in the following examples when installing your AXIS 2490 If in doubt consult your Network Administrator before assigning an IP address Server Privileges Although no special privileges are required for Windows 95 98 you do need Administrator privileges for Windows NT 2000 and Root privileges on UNIX Serial number same as 00408c100086 Ethernet number e g 00 40 8c 10 00 86 Windows 9...

Страница 13: ...our Web browser as described in the next section Attach the external Power Supply Attach the external Power Supply to the unit and connect it to your local mains supply Wait for a reply from the unit and check the Status indicator Approximately 10 15 seconds after connecting the power supply the message Reply from 172 21 1 200 or similar is returned in the DOS window Ensure that the Power Indicato...

Страница 14: ...e setup process and configure your own application using the Installation Wizard or click the Admin Button and use the Administration Tools as described in Configuring Your Serial Server on page 18 Important http 172 21 1 200 The Administration Tools can be used to change your username and password Log on as an Administra tor using the username root and default password pass It is recommended that...

Страница 15: ... Address The AXIS 2490 is pre configured with a unique Ethernet Address based on the serial number printed on the label on the underside of the unit where the serial number typically follows the format 00 40 8c xx yy zz You must know the Ethernet address to complete the instal lation Method Operating Systems Refer to AXIS IP Installer Windows 95 98 and NT 2000 Using the AXIS IP Installer on page 1...

Страница 16: ... The AXIS IP Installer Setup dialog is displayed on the screen 3 Follow the instructions as they appear on the screen 4 Click Finish to complete the installation Setting the IP Address with the AXIS IP Installer 1 Run the AXIS IP Installer from the Start menu The AXIS IP Installer dialog is displayed on the screen 2 Restart your AXIS 2490 3 Select the serial number of your AXIS 2490 from the list ...

Страница 17: ...wnload the IP address default router address and subnet mask Mapping a Host Name to the IP Address If you are using host names you can also map a unique host name to the acquired IP address Refer to your system manuals or Network Administrator for instructions on how to perform the name mapping on your particular system host name ht hardware type vm vendor magic ha hardware address ip IP address s...

Страница 18: ...etwork settings Important On line help is available from most pages within the AXIS 2490 Web interface Containing compre hensive details on all product parameters this information is your first point of reference when config uring and managing the unit and is a particularly useful reference when resolving any administration queries The help system is stored internally in the AXIS 2490 When accessi...

Страница 19: ...Page by entering the IP address you used to connect the Serial Server with in Quick Installation Procedure on page 12 The page contains buttons for the Installation Wizard and for the Admin tools 2 Click the button Installation Wizard If this is the first time you are accessing the Serial Server you will see this message Click OK to proceed Admin Button Installation Wizard ...

Страница 20: ...o proceed 5 Continue with the pages that follow to make the basic settings as listed on page 18 and on the final page click Finish to save your settings No changes will be made until you actually click Finish The individual settings in the configuration can now be changed at any time by using the Administration Tools as described below ...

Страница 21: ...Serial Server General settings for e g date and time security settings etc From here you can also restart the Serial Server or reinstate factory settings should this be necessary COM1 Configure the serial port COM1 for baud rate mode protocols modems etc COM2 As for COM1 RS485 Configure the serial port RS485 RS422 for protocols baud rate flow control etc Note It is recommended that you change the ...

Страница 22: ...IP SMTP DHCP BOOTP and DNS network settings General Sub Button Description Security Set the Administrator password and add or delete users and their passwords See a listing of the configured parameters View the log file automatically created by the AXIS 2490 Shows various important information about status and settings View the final notes from the product s release Restart the AXIS 2490 Reset the...

Страница 23: ... pressed the Status Indicator will now flash briefly and then go out When the Status Indicator has been out for about 5 seconds release the Control Button When the Status Indicator starts to flash again after approximately 5 seconds the AXIS 2490 will then have been reset to its default setttings Notes Reinstating the original default settings will cause all of the unit s parameters to be reset It...

Страница 24: ...provide an explanation as to the cause of the problem Replies can be interpreted as defined in the table below How to test your setup Connect a serial port on the 2490 to a serial port on the PC using a null modem cable Start a terminal program on the PC that accesses the serial port e g Hyper Terminal in Windows or minicom or cua in Linux Start a telnet session to the Serial Server IP address and...

Страница 25: ...n Windows 95 the ARP table was empty when you tried to set the IP address If the table is empty re install the product ensuring that the IP address for your own PC is also used Type arp a to view the ARP table Proxy server Try disabling the proxy default in your browser Other networking problems Try replacing your network cable Test the network interface of the product by connecting a local comput...

Страница 26: ...rt and has connected to the Axis 2490 Select View Log FIle in the Server settings to see if anyone else has connected See the example Log File Below You may want to configure Allowed IP addresses and restart the unit You have enabled Allowed IP addresses but your IP address is not allowed Check the settings in the 2490 Jan 1 03 56 20 ado 6 sersrvd 19 Port COM1 server 12 connected from10 13 7 12 Ja...

Страница 27: ...ase TX Fast Ethernet Shielded cable recommended for industrial environments Additional Software A COM Port Redirector which allows existing Windows software to access networked attached serial devices can also be used with the serial server For more information about COM Port Redirectors please see the AXIS 2490 product pages at www axis com The Axis IP installer can be used to assign IP addresses...

Страница 28: ... Send 9 I RI Ring Indicator 1 RS 485 422 serial port on screw terminal block Supports speeds of up to 1843200 bps 1 AC 2 AC 3 GND 4 GND 100 Ohm 5 RX TX A 6 RX TX B 7 TX 8 TX Delimitations for RS 485 422 RS 485 and RS 422 are similar although there are differences in the electrical specification Most driver circuits are compatible with both at least for the receiver part The AXIS 2490 Serial Server...

Страница 29: ...ds for emission and immunity and Standards for Safety Immunity Standards EN 55024 1998 EN 50082 1 1997 EN 6100 6 2 1999 Emission Standards EN 55022 1994 CISPR 22 1993 A1 1995 A2 1996 Class B A1 1995 A2 1997 FCC Part 15 Subpart B Class A FCC Part 15 Subpart B Class B demonstrated by compliance with EN55022 1994 Class B AS NZS3548 C Tick Demonstrated by compliance with CISPR 22 1993 Safety Standards...

Страница 30: ...Technical Specifications AXIS 2490 User s Guide 30 All specifications are subject to change without prior notice ...

Страница 31: ... can obtain this software over the Internet from www axis com Updating the Software The AXIS 2490 Flash memory is updated over the network using FTP See the detailed instructions supplied with each new software release Important Always read the upgrade instructions available with each new release prior to upgrading your soft ware Downloading normally takes between 30 seconds and 10 minutes althoug...

Страница 32: ...nchronous data and to about 15 meters 50 feet on synchronous lines The IO Connector Block The AXIS 2490 has an I O Connector screw terminal blocks for connecting RS 485 422 or for use as an alternative power supply RS 485 RS 485 is a bi directional half duplex standard for transmitting data over multi drop communications line Supporting up to 32 drivers and 32 receivers over a single twisted pair ...

Страница 33: ... Data is coded as a voltage difference between the two wires Each signal has to be transported over one pair Because these wires have to be a twisted pair any noise picked up will influence the voltage level of both wires in the same way and the difference between the wires will not be affected Thus the information is much less receptive to noise than when using RS 232 Delimitations for RS 485 422...

Страница 34: ... by RTS and for half duplex RS 485 The port can be used in any of these configurations Full duplex RS 422 4 wire or 4 wire RS 485 or Half duplex RS 485 2 wire The port is compliant with EIA RS 485 up to 1843200 bps RS 485 422 Serial Port on screw terminal block Pin Function 1 AC 2 AC 3 GND Standard Ground 4 GND100 Ohm Connected to Gnd via 100 Ohm resistor 5 RX TX A 6 RX TX B 7 TX 8 TX ...

Страница 35: ...be necessary each time someone leaves the company and when new employees are hired A much better solution would be to connect the card readers to a network Even if a network has to be installed it will still be cheaper than running long serial cables to each card reader The network solution has many advantages From anywhere in the network it is possible to send the right commands to all of the car...

Страница 36: ... The information about a specific car ordered by a customer will be accessible at all stages during production Remote Troubleshooting Suppose a device malfunctions and the manufacturer and or service technicians are located on the other side of the world Via the AXIS 2490 Serial Server it would be possible to connect the device s serial port to the Internet where it will then be available to servi...

Страница 37: ...they ll know which equipment and spare parts are needed Pan Tilt Zoom PTZ Applications As a person approaches a building this is seen on a computer screen An operator clicks on the image and a camera redirects and zooms in An enlarged image of the person is displayed on the screen This is a realization of a Pan zoom tilt device and a camera connected to a network via AXIS 2490 Serial Servers The c...

Страница 38: ... F a b c d e f Writes the specified data string to the selected serial port Max string length 128 bytes writestring string url encoded string Writes the url encoded string to the selected serial port Max string length 128 bytes read int n Reads n bytes from the selected serial port The returned data will be hexadecimal coded and placed between s e g 3A wait int 1 9000 Specified in milliseconds Use...

Страница 39: ...har server sin_addr hp h_length server sin_family hp h_addrtype Protocol family server sin_port htons portnr Port number s socket AF_INET SOCK_STREAM 0 if s 0 printf error in socket n if connect s struct sockaddr server sizeof server 0 printf connect error in bind n s 0 return s int main int argc char argv int fd u_short portnr 4000 const char host if argc 2 printf Usage tcpclient host port n prin...

Страница 40: ... 18 Internet address 25 IO Connector Block 32 IP Address 12 L Linux 6 27 M Mapping a Host Name 17 N Network Connector 7 Networking Applications 9 O Obtaining updated software 31 Open serial port 38 P Port Modes 9 Power indicator 25 Power supply connector 7 R Remote access 9 RFC2217 10 RS232 Connections 32 RS422 33 RS485 32 S Serial Connectors 32 Serial number 7 Serial port control 38 Server Privil...

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