Spec Sheet
Specification
Model
DS-6904UDI(B)
Input/Output
Input
HDMI, DVI-I
Input Resolution
4K: 3840 × 2160@30 Hz (only for HDMI), 1080p: 1920 × 1080@50/60 Hz, 720p: 1280
× 720@50 Hz/60 Hz
Output
HDMI × 4, BNC × 2
Output Resolution
HDMI:
4K: 3840 × 2160@30 Hz ( only for odd interface), 1080p: 1920 × 1080@50/60 Hz,
720p: 1280 × 720@50 Hz/60 Hz
BNC:
PAL: 704 × 576, NTSC: 704 × 480
Decoding
Decoding Resolution
Up to 24MP (only for 3 encoder tracks mode)
Decoding Channel
72-ch
Decoding Capability
24MP@30fps: 2-ch,
12MP@20fps: 4-ch,
8MP@30fps: 8-ch,
5MP@30fps: 12-ch,
3MP@30fps: 20-ch,
1080p: 36-ch,
720p: 72-ch
Split Screen
1/2/4/6/8/9/12/16/25/36
Interface
Network Interface
RJ45 interface × 1, 10/100/1000 Mbps adaptive
Optic interface × 1, 100 base-FX/1000 base-X
An RJ45 interface and an optic interface form a combo.
Serial Interface
RS-232 (RJ45) × 1, RS-485 × 1
Two-way Audio Out
N/A
Two-way Audio In
N/A
Alarm In
N/A
Audio Output
4
Alarm Out
N/A
General
Power Supply
100 to 240 VAC
Power Consumption
≤ 70 W
Dimensions(W × D × H)
440 mm × 320.8 mm × 44.5 mm (17.32 inch × 12.63 inch × 1.75 inch)
Working Temperature
-10 °C to 55 °C (14 °F to 131 °F)
Working Humidity
10% to 90%
Weight
≤ 5.2 kg (11.46 lb)
Available Model
DS-6904UDI(B)