QNAP Security VioStor NVR (Version: 4.1.2) - Manual (Page 18)

18
1.2.8 VS – 4116 / 4112 / 4108U-RP Pro+
1. USB 2.0
2. One-touch-auto-video-backup button
3. LED indicators: USB, Status, HDD1–4, LAN
4. Power button
5. Power connector
6. HDMI
7. Gigabit LAN x 2
8. USB 3.0 x 2
9. USB 2.0 x 2
10. DIDO (reserved)
11. RS-485 (reserved)
12. Password & network settings reset button (reserved)
13. Audio In/Out (reserved)
14. RS-232 (reserved)