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Digital Video Recorder User Manual
321
Model
DS-7304HQHI-F4/N DS-7308HQHI-F4/N DS-7316HQHI-F4/N
USB
interface
Front panel: 2 × USB 2.0
Rear panel: 1 × USB 3.0
Serial
interface
RS-232, RS-485 (full-duplex), Keyboard
Alarm in/out
16/4
General
Power
supply
100 to 240 VAC
Consumption
(without
HDD)
≤ 30 W
≤ 40 W
≤ 55 W
Working
temperature
-10 ºC to +55 ºC (14 ºF to 131 ºF)
Working
humidity
10% to 90%
Dimensions
(W × D × H)
445 × 390 × 70 mm (17.5 × 15.4 × 2.8 inch)
Weight
(without
HDD)
≤ 5 kg (11.0 lb)