User manual AXIS 2490UM
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Manual abstract: user guide AXIS 2490UM
Detailed instructions for use are in the User's Guide.
[. . . ] User's Manual
2 About This Document
This document is intended for administrators and users of the AXIS 2490 Serial Server, and is applicable for software release 2. 0. Although many of the operational aspects of the product are described in the on-line help, this manual does contain information for configuring, managing and using the unit in your networking environment, as well as a general overview of the product functionality. Readers are recommended to use this manual as a supplement to the Wizards and other online information available via the Web-based interface. Later versions of this manual will be posted to the Axis Website, as required.
AXIS 2490 User's Manual
Axis Communications AB cannot be held responsible for any technical or typographical errors and reserves the right to make changes to the product and manuals without prior notice. [. . . ] Press and hold in the Control Button, and reconnect the power supply cable. With the Control Button 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 is also possible to restart the unit with the Restart Button on the the Admin pages. ·Refer to Alternative Methods of Assigning the IP Address, on page 15 for information on how to set the IP number in the product.
24
Troubleshooting
AXIS 2490 User's Manual
Appendix A - Troubleshooting
This appendix provides useful information to help you to solve any problem you might have with your AXIS 2490. Fault symptoms, possible causes and remedial actions are provided in a quick reference table.
PINGing Your IP Address
By sending a packet to the specified address and waiting for a reply, the PING utility can determine whether a specific IP address is accessible. It also provides a particularly useful method for confirming addressing conflicts with your AXIS 2490 on the network. Having disconnected your AXIS 2490, follow the instructions below in association with Symptoms, Possible Causes and Remedial Actions, on page 25, and run the PING utility to troubleshoot TCP/IP problems on your network: 1. The subsequent replies will provide an explanation as to the cause of the problem. Replies can be interpreted as defined in the table below:
PING Reply bytes = 32 time = 2 ms. . . . . . destination host unreachable request timed out Interpretation and recommendation The IP address is already in use. This IP address is not used by anyone and is available for use with your AXIS 2490.
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. Start a telnet session to the Serial Server IP address and the corresponding TCP port for the chosen serial port (default 4000, 4001, 4002). from the Start Menu and type: telnet ipaddress portnr, for example: telnet 10. 13. 7. 12 4000. Everything you type should appear in the terminal program when you press Enter, and everything you type in the terminal program should appear in the telnet window.
AXIS 2490 User's Manual
Troubleshooting
25
Test a COM Port Redirector
Configure the COM Port Redirector to connect to the host and the port. Enable or disable the use of telnet options (RFC2217), depending on the settings in the AXIS 2490 Serial Server. Start a second instance of the terminal program instead of using telnet. Whatever you type in the terminal programs should appear in the other terminal window.
Symptoms, Possible Causes and Remedial Actions
Symptoms The AXIS 2490 cannot be accessed from a browser. Possible causes Remedial actions The IP address is already used Disconnect your AXIS 2490 from the network, run the PING utility by another device. If the utility returns "no response" or similar, in Windows 95/98 or Windows NT/2000, you should then check that the IP address for your AXIS 2490 is on the same subnet as your workstation. [. . . ] These systems are usually connected to computers via long serial cables. A more convenient solution is if the building's control systems are connected to a network via AXIS 2490 Serial Servers. This enables remote access and monitoring from anywhere in the network. In some cases they'll even be able to solve the problem directly over the network, and even if they can't, 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. [. . . ]
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