42 AXIS 221 - System OptionsNetwork - SNMPThe Simple Network Management Protocol (SNMP) allows the remote management ofnetwork devices. Select the version of SNMP to use, depending on the level of securityrequired. HTTPS should be enabled when setting the password for SNMPv3.Network - UPnP™The camera includes support for UPnP™, which is enabled by default. If also enabled onyour computer, the camera will automatically be detected and a new icon will be added to“My Network Places.”Note: UPnP must also be enabled on your Windows XP or ME computer. To do this, open the Control Panel fromthe Start Menu and select Add/Remove Programs. Select Add/Remove Windows Components and openthe Networking Services section. Click Details and then select UPnP as the service to add.Network - RTP (Multicast)/MPEG-4These settings are the IP address, port number, and Time-To-Live value to use for the videostream(s) in multicast MPEG-4 format. Only certain IP addresses and port numbers shouldbe used for multicast streams. For more information, please see the online help.Network - BonjourThe AXIS 225FD includes support for Bonjour. When enabled, the camera is automaticallydetected by operating systems and clients that support Bonjour.Ports & DevicesI/O PortsThe two alarm inputs and one output on the AXIS 221 can be connected to variousexternal devices, e.g. door sensors and alarm bells. The name given to the ports can bechanged and state of the I/O ports can be set to Open circuit or Closed circuit.The pinout, interface support and the control and monitoring functions provided by thisconnector are described in Unit Connectors, on page 46.COM Ports RS-485/422 & RS-232The RS-485/422 and RS-232 connectors can also be configured to allow them to becontrolled by TCP/IP applications. The TCP/IP parameters are described in the online help.It is possible to configure COM Ports RS-485/422 and RS-232 for Pan/Tilt/Zoom (PTZ)functionaliy, but only with additional third party hardware and a compatible PTZ driver.For more information, please contact support at www.axis.com