4EnglishAccessoriesUpon unpackaging the product, check the contents inside to ensure that all the following accessories are included.ItemDR-2100P Series Power Cable / DC Adapter (12V, 48V) Quick GuideManual and IDIS Center Program CD Optical USB Mouse IR Remote ControlAssembly Screws for Adding Hard Disk Drives SATA2 CablesOverviewFront Panel121 USB Ports 2 LEDs• For more details on USB ports and LEDs of the front panel, refer to the manual.• T his document covers the 4, 8- and 16-channel network video recorders. The NVRs are identical except for the number ofcameras and alarms that can be connected and the number of cameras that can be displayed. For simplicity, the illustrationsand descriptions in this document refer to the 16-channel model.Rear Panel12 4@57 !6 89 031 Factory Reset Button 2 Audio Out Port 3 VGA Out Port 4 HDMI Out Port5 eSATA Port 6 Video In / PoE Ports 7 Network Port 8 Video In / Ext. Port9 Alarm Connection Ports 0 RS-232 Port ! 12V Power In Port @ 48V Power In PortFor more details on rear panel connections, refer to the manual.