| Model | GU-D3204 | GU-D3208 | GU-D3216 | |
| Video | 4 Ch | 8 Ch | 16 Ch | |
| Compression Algorithm | Video : MPEG4/H.264, Audio : G723.1 | |||
| HDD | 2xHDD (Max) (2xHDD + 1xCD-RW/DVD) |
4xHDD (Max) (3xHDD + 1xCD-RW/DVD) | ||
| Operating System | Embedded Linux | |||
| Video | Input | 4 Ch | 8 Ch | 16 Ch |
| Loop-Out | 4 Ch (Built-in) | 8 Ch D-Sub (Option) | 2 x 8 Ch D-Sub (Option) | |
| Display Speed (NTSC/ PAL) | 120/100 fps (Real-Time Display) |
240/200 fps (Real-Time Display) |
480/400 fps (Real-Time Display) | |
| Screen Modes for Live Display | 1, 4 & PIP | 1, 4, 9 & PIP | 1, 4, 9, 16 & PIP | |
| Monitor Output | Main Monitor Output (Composite, S-VHS & VGA) Spot Monitor Output (Composite) | |||
| Max.Recording Speed (NTSC/ PAL) |
352x240/288 | 120/100 fps | 240/200 fps | 240/200 fps |
| 720x240/288 | 120/100 fps | 120/100 fps | 120/100 fps | |
| 720x480/576 | 60/50 fps | 60/50 fps | 60/50 fps | |
| Recording Resolution | NTSC : 352x240, 720x240, 720x480, PAL : 352x288, 720x288, 720x576 | |||
| Recording Modes | Continuous, Scheduled, Sensor-Activated & Motion Detection Recording Pre & Post Alarm Recording, Emergency Recording | |||
| Playback & Search | Speed | x1, x2, x4, x8, x16, x32 | ||
| Function | 1, 4, 9 & 16 Ch (Multi-Channel Playback) Intelli-Search by Time Bar, Calendar (Date & Time) and Event/system Search Oldest & Latest video search | |||
| Audio Input / Output | 4 Ch Input / 1 Ch Output | |||
| Alarm I/O & Camera Connection | M : N Mapping | |||
| Alarm Input / Output | 4 Ch / 4 Ch | 8 Ch / 4 Ch | 16 Ch / 4 Ch | |
| P/T/Z Control and Port | Virtual Joy-Stick Control on screen by mouse Pan/Tilt/Zoom/Focus/Iris, RS-485 Port | |||
| LAN | 10/100 Base-Tx Ethernet (RJ45) Fixed IP, DHCP & DDNS | |||
| Network | Function | Multi-to-Multi Connection, Multi-Channel Transmission Live Monitoring, Remote Playback and File Backup (Triplex-on-Remote) Remote & E-Mail Notification | ||
| Remote PTZ Control | Pan/Tilt/Zoom/Focus/Iris (World Famous PTZ Protocol are Available) | |||
| Remote Management | Remote Configuration, Live Monitoring, Drag & Drop, Tree-structure | |||
| Backup Device | Internal | CD-RW and DVD-RW (Optional) | ||
| External | USB thumb drive(memory stick) | |||
| System Recovery after Power Failure | Auto-Reboot and Journaling File System Auto-Scan and Data Recovery | |||
| Advanced Functions | Auto page-Sequencing by selection channels, Event Log Viewer & Extracting(txt file) Multi-layer passwords per function, LED Indicator for Various Status, 19Rack-mountable Configuration Import/Export, Quick setup, Temperature auto-checking & Alerting | |||
| System Operation | Button on Front Panel, IR remote Controller, USB Mouse CCTV Keyboard (Option) | |||
