Technical Specifications AXIS 2420 User’s Manual70Appendix H - Technical SpecificationsSystem Requirements - The AXIS 2420 uses the standard Internet TCP/IP suite of protocolsand can be used with most operating systems: Windows, Linux, UNIX, Mac and severalothers. The only software required is Microsoft Internet Explorer 4.x/5.x or Netscape 4.x.Installation - Physical network connection using RJ-45 twisted pair cable, or remoteconnection using any standard serial modem.Management - Remote configuration and status using Web-based Administration Tools.Image Features - Time/date stamp, text overlay, variable size, color CGI control, andin-picture motion detection.Picture Resolution - CIF=352x288 and 4CIF=704x576 (PAL), 352x240 and 704x480 (NTSC).Networking - 10baseT Ethernet or 100baseTX Fast Ethernet, TCP/IP, HTTP, FTP, SMTP,NTP, ARP and BOOTP.I/O-A Connector - One optical-isolated alarm input. Used for connecting external alarmdevices, e.g. temperature sensors and switches.I/O-B Connector - One digital relay switch output (max 24V, 0.1A), software controlled. Usedfor control of external surveillance devices and services; such as, lighting, annunciators,audible alarms, etc. One RS-485/422 port for connecting PTZ devices, etc.Pre/Post Alarm Buffer - Up to 4 MBytes memory available for pre/post alarm image storage.RS-232 Connector - Single 9-pin D-SUB RS-232 connector, max 115 kbps, half-duplex. Forconnecting a modem or a PTZ device.Security - Multi-user password protection.Operating Conditions: - Temp: 41-122 o F (5-50o C), Humidity: 8-80% RHG.Approvals EMCï This equipment complies with the requirements in Part 15, Subpart B of FCC Rules for Class Acomputing devices.ï EN55022:1994 Class Bï C-Tick (Australia)Approvals Safetyï EN60950, UL, CSA