53Axis video server - System optionsSNMPThe Simple Network Management Protocol (SNMP) allows the remote management ofnetwork devices. Select the version of SNMP to use, depending on the level of securityrequired. Select the version of SNMP to use, by checking the appropriate box. The threelevels of security are:• SNMP V1 - includes no security• SNMP V2c - uses very simple security, e.g. community name as password• SNMP V3 - provides encryption and secure passwords. Use with HTTPS.If using V1 and V2c, enter the community name for read-only access to all supportedSNMP objects (except the root password and other objects that require write access).Default value = public. You can also specify the community name for read/write access toall supported SNMP objects (except read-only objects). Default value = pass.If using HTTPS enter the password if it has not already been set. To set the password again,the Axis video server must be reset to the factory default settings.UPnP™The video server includes support for UPnP™ in Windows ME and Windows XP. UPnP™ isenabled by default.Note: UPnP™ must be installed on your workstation if running Windows XP. To do this, open the Control Panelfrom the Start Menu and select Add/Remove Programs. Select Add/Remove Windows Components andopen the Networking Services section. Click Details and then select UPnP™ as the service to add.RTP (Multicast)/MPEG-4These settings are the IP address, port number, and Time-To-Live value to use for themedia stream(s) in multicast MPEG-4 format. Only certain IP addresses and port numbersshould be used for multicast streams. For more information, please see the online help.Ports & devicesI/O Ports - the pinout, interface support and the control and monitoring functionsprovided by this connector are described in Unit connectors, on page 57.RS232 - The COM port RS-232 on the Axis video server supports several operationalmodes listed on this page. For more information, please see COM ports RS-232 andRS-485, on page 59.RS485 - The COM ports on the Axis video server supports several operational modes listedon this page. For more information, please see COM ports RS-232 and RS-485, on page59.