Vivotek IP3111/3121 manual Frequently asked questions

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B. Frequently asked questions

Q. What if I forget my password?

A. Every access to Network Camera needs authentication. If you are one of the managed users, you have to ask the administrators for the password. If you are the administrators, there is no way to recover the root password. The only way to regain access to Network Camera is to utilize the default setting button on the rear panel to restore the factory settings and reinstall it.

Q. Why can I not watch video from Network Camera after it is authenticated? A. There are many possible scenarios regarding this problem,

1.If you have just installed Network Camera and are unable to watch the video, check the video modulation on the Configuration page.

2.If Network Camera is well installed and you are accessing Network Camera for the first time using Internet Explorer, adjust the security level of Internet Explorer to allow installation of plug-ins.

3.If the problem still exists after adjusting, the current users may be over the system allows.

Q.What is the plug-in for?

A.The plug-in provided by Network Camera is used to display motion pictures on Internet Explorer. If your system does not allow installation of any plug-in software, the security level of the web browser may need to be lowered. It is recommended that you consult your network supervisors in your office regarding adjustment of the security level.

Q.Why is the timestamp different from the system time of my PC or notebook?

A.The timestamp is based on the system time of Network Camera. It is maintained by a real-time clock inside and automatically synchronizes with the time server if Network Camera is connected to the Internet and the function is enabled. Differences of several hours may result from the time zone setting.

Q.Why does the image not refresh regularly?

A.In a modem environment, it is because the bandwidth of PPP connection is far less than Ethernet. If the difference of the timestamp is not stable, adjust the UART FIFO lower in both receiving and transmitting

from modem property in the control panel. While in Ethernet, it may be due to time taken in storing

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Contents Page Before You Use Table of Contents How to Use Telnet Appendix Package Contents Camera control cable Ethernet 10/100 socket Physical DescriptionRear Panel COM portGeneral I/O terminal block Status LEDs Auto Iris Lens Connector Restore buttonPower adapter How to Install Cable connection Hardware installationEthernet Environment Power on Software configuration Easy way with installer program886-2-22404099 886-2-22404097 886-2-22404099 886-2-22404097 886-2-22404099 886-2-22404097 886-2-22404099 886-2-22404097 Manual way with existing programs First access to Network Camera 886-2-22404099 886-2-22404097 Modem Environment Cable connection Install a new modem 886-2-22404099 886-2-22404097 886-2-22404099 886-2-22404097 Setup a new connection 886-2-22404099 886-2-22404097 886-2-22404099 886-2-22404097 886-2-22404099 886-2-22404097 886-2-22404099 886-2-22404097 First access to Network Camera 886-2-22404099 886-2-22404097 How to Use Authentication 886-2-22404099 886-2-22404097 Primary user’s capability Main screen with camera viewClient Setting Pan/Tilt positioning device control886-2-22404099 886-2-22404097 System configuration System parameters 886-2-22404099 886-2-22404097 User group administration Network settings 886-2-22404099 886-2-22404097 886-2-22404099 886-2-22404097 Video codec parameters 886-2-22404099 886-2-22404097 886-2-22404099 886-2-22404097 Motion detection 886-2-22404099 886-2-22404097 Camera positioning device configuration 886-2-22404099 886-2-22404097 Modem and dialup settings 886-2-22404099 886-2-22404097 Application 886-2-22404099 886-2-22404097 Homepage layout settings One-shot fast configuration via FTP Read only string Color index 0 for black, 1 for white, 2 for green Link when background type is 2, no longer than Standard IP format or string shorter than 40 characters 1200k , 1000k , 768k , 512k , 384k , 256k , 128k , 64k Or RS485 Home Viewing system log Restore factory default settingsAdvanced functions Viewing system parametersUploading snapshots periodically to an external FTP server Customizing homepage imagesUploading the configuration file Software revision upgrade886-2-22404099 886-2-22404097 Stop information dumping System core debuggingMonitor changed status of digital inputs Query status of digital inputsReset system Skip installation during the next bootReset network for new settings Set digital outputsClear data mode serial port driver URL commands of Network CameraCapture update Snapshot of Jpeg image Move motorized device in PT directionRestart system URL System resource URL General format of command URLSystem configuration URL Security configuration URL Network configuration URLVideo configuration URL Image quality configuration URL Camera configuration URL Camera custom command configuration URLModem configuration URL Application configuration URLHomepage layout configuration URL Post procedure AppendixFrequently asked questions 886-2-22404099 886-2-22404097 886-2-22404099 886-2-22404097 Technical specifications NetworkingElectromagnetic Compatibility EMC