Spec Sheet

Ultra Series | X74A3L
Rev 001.002 © 2018 Dahua. All rights reserved. Design and specifications are subject to change without notice.
us.dahuasecurity.com
Rear Panel
Ordering Informaon
Type Part Number Description
16-Channel HDCVI DVR
X74A3L
16-Channel Penta-brid 4K 1.5U
Digital Video Recorder
X74A3L2
16-Channel Penta-brid 4K 1.5U
Digital Video Recorder, 2 TB
X74A3L3
16-Channel Penta-brid 4K 1.5U
Digital Video Recorder, 3 TB
X74A3L4
16-Channel Penta-brid 4K 1.5U
Digital Video Recorder, 4 TB
X74A3L6
16-Channel Penta-brid 4K 1.5U
Digital Video Recorder, 6 TB
X74A3L8
16-Channel Penta-brid 4K 1.5U
Digital Video Recorder, 8 TB
X74A3L12
16-Channel Penta-brid 4K 1.5U
Digital Video Recorder, 12 TB
X74A3L16
16-Channel Penta-brid 4K 1.5U
Digital Video Recorder, 16 TB
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1 VAC Power Input 9 RS232 Port
2 On/Off Switch 10 eSATA Port
3 Audio Input x4, BNC 11 Video Input, x16 BNC
4 Microphone Input, BNC 12 Network Port (1000 Mbps), RJ-45
5 Microphone Output, BNC 13 VGA Output
6 Audio Output, BNC 14 HDMI 1 and HDMI 2 Output
7 Video Out (TV), BNC 15 USB 3.0 Ports x 2
8
Alarm I/O Ports
RS485 Input
RS422 Input
Third-party Support
Third-party Support
Dahua, Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus,
Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony,
Videotec, Vivotek, and others
Cercaons
Safety
UL 60950-1
EN 60950-1
IEC 60950-1
Electromagnetic
Compatibility (EMC)
FCC Part 15 Subpart B
EN 61000-3-2
EN 61000-3-3
EN 55032
EN 50130
EN 55024
Dimensions
440.0 mm
(17.32 in.)
76.0 mm
(2.99 in.)
407.0 mm
(16.02 in.)
417.0 mm
(16.42 in.)
Intelligence
The IVS features are operational only when the additional IP channel feature is not active.
The HDCVI DVR supports only IVS or the additional IP channel inputs, both features cannot
be in use simultaneously. IVS triggers an alarm and takes a defined action for the following
events:
Premium Features
Tripwire
A target crosses a user-defined line.
Available on 16 analog channels.
Intrusion
A target enters or exits a defined perimeter.
Available on 16 analog channels.
Abandoned/Missing
Object
A target leaves an object in designated area, or a target
removes an object from the same designated area.
Available on analog channels 1, 2, 3, and 4.
Advanced Features (available only when Premium IVS features not in use)
Facial Detection
Detects and captures a snapshot of human face in a defined
area within a scene.
Available on the first analog channel.