Dahua L Series

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User's Manual

Figure 3-3

Step 3 Turn the device upside down and then secure the screws firmly.

Figure 3-4

Step 4 Connect the HDD cable and power cable to the HDD and the mainboard respectively.

Main Page

Foreword2
Important Safeguards and Warnings5
Table of Contents6
Features18
Overview18
Front Panel and Rear Panel21
Front Panel21
NVR41-4KS2/NVR41-P-4KS2/NVR41-8P-4KS2/NVR41-4KS2/L/NVR41-P-4KS2/L/NVR41-8P- 4KS2/L/NVR21-4KS2/NVR21-P-4KS2/NVR21-8P-4KS2 Series21
NVR11HS-S3H/NVR11HS-P-S3H/NVR11HS-8P-S3H/NVR41HS-4KS2/NVR41HS-P- 4KS2/NVR41HS-8P-4KS2/NVR41HS-4KS2/L/NVR41HS-P-4KS2/L/NVR41HS-8P- 4KS2/L/NVR21HS-4KS2/NVR21HS-P-4KS2/NVR21HS-8P-4KS2 Series22
Nvr52-4Ks2/Nvr52-8P-4Ks2/Nvr52-16P-4Ks2/Nvr42-4Ks2/Nvr42-P-4Ks2/Nvr42-8P23
4KS2E Series23
NVR21-W-4KS2 Series24
NVR21HS-W-4KS2 Series25
NVR21-I/NVR21-I2/NVR21-P-I/NVR21-P-I2/NVR21-8P-I/NVR21-8P-I2 Series26
NVR22-I/NVR22-I2/NVR22-P-I/NVR22-P-I2/NVR22-8P-I/NVR22-8P-I2/NVR22-16P-I/NVR22- 16P-I2 Series27
NVR21HS-I/NVR21HS-I2/NVR21HS-P-I/NVR21HS-P-I2/NVR21HS-8P-I/NVR21HS-8P- I2/NVR44-4KS2/I/NVR44-16P-4KS2/I Series28
NVR48-I/NVR58-I/NVR58-I/L Series29
NVR42-I/NVR44-I/NVR54-I/NVR54-I/L/NVR52-I/NVR52-I/L Series29
NVR48-4KS2/I/NVR48-16P-4KS2/I Series30
NVR608-4KS2 Series31
NVR616-4KS2 Series32
Rear Panel34
NVR21-4KS2/NVR21-P-4KS2/NVR21-8P-4KS2 Series34
Nvr11Hs-S3H/Nvr11Hs-P-S3H/Nvr11Hs-8P-S3H/Nvr21Hs-4Ks2/Nvr21Hs-P- 4Ks2/Nvr21Hs-8P-4Ks2/Nvr41Hs-4Ks2/Nvr41Hs-P-4Ks2/Nvr41Hs-8P-4Ks2/Nvr41Hs35
4KS2/L/NVR41HS-P-4KS2/L/NVR41HS-8P-4KS2/L Series35
NVR22-4KS2/NVR22-P-4KS2/NVR22-8P-4KS2 Series37
NVR52-4KS2/NVR52-8P-4KS2/NVR52-16P-4KS2/NVR52-24P-4KS2/NVR52-8P-4KS2E/NVR52- 16P-4KS2E Series38
NVR54-4KS2/NVR58-4KS2/NVR54-16P-4KS2/NVR58-16P-4KS2/NVR54-24P-4KS2/NVR58- 16P-4KS2E Series40
Nvr41-4Ks2/Nvr41-P-4Ks2/Nvr41-8P-4Ks2/Nvr41-4Ks2/L/Nvr41-P-4Ks2/L/Nvr41-8P- 4Ks2/L43
NVR42-4KS2/NVR42-P-4KS2/NVR42-8P-4KS2/NVR42-16P-4KS2/NVR42-4KS2/L/NVR42-P- 4KS2/L/NVR42-8P-4KS2/L/NVR42-16P-4KS2/L Series44
NVR44-4KS2/NVR44-16P-4KS2/NVR44-4KS2/L/NVR44-16P-4KS2/L/NVR44-4KS2/I/NVR44- 16P-4KS2/I Series46
NVR48-4KS2/NVR48-16P-4KS2/NVR48-4KS2/L/NVR48-16P-4KS2/L/NVR48-4KS2/I/NVR48- 16P-4KS2/I Series48
NVR21-W-4KS2 Series50
NVR21HS-W-4Ks2Series52
NVR21-I/NVR21-I2 Series53
NVR22-I/NVR22-I2 Series53
NVR21-P-I/NVR21-P-I2 Series54
NVR22-P-I/NVR22-P-I2 Series55
NVR21-8P-I/NVR21-8P-I2 Series56
NVR22-8P-I/NVR22-8P-I2 Series57
NVR22-16P-I/NVR22-8P-I2 Series58
NVR21HS-I/NVR21HS-I2 Series60
NVR21HS-P-I/NVR21HS-P-I2 Series61
NVR21HS-8P-I/NVR21HS-8P-I2 Series62
NVR4208-8P-I Series63
NVR4216-I Series64
NVR58-I/NVR58-I/L/NVR48-I Series66
NVR54-I/NVR54-I/L/NVR44-I Series68
NVR52-16P-I/NVR52-16P-I/L/NVR52-8P-I/NVR52-8P-I/L/NVR42-16P-I Series69
NVR608-4KS2 Series72
NVR616-4KS2 Series73
Alarm Connection74
Alarm Port74
Alarm Input Port75
Alarm Output Port77
Alarm Relay Specifications77
Two-Way Talk78
Device-End to PC-End78
PC-End to the Device-End78
Mouse Operation79
Remote Control80
Device Installation83
Device Installation Diagrams83
Check Unpacked NVR84
About Front Panel and Rear Panel84
HDD Installation85
I2/Nvr21-P-I/Nvr21-P-I2/Nvr21-8P-I/Nvr21-8P-I285
W-4KS2/NVR11HS-S3H/NVR11HS-P-S3H/NVR11HS-8P-S3H/NVR21HS-I/NVR21HS- I2/NVR21HS-P-I/NVR21HS-P-I2/NVR21HS-8P-I/NVR21HS-8P-I2 Series87
I/L/NVR52-8P-I/NVR52-8P-I/L Series89
4KS2/I/NVR48-4KS2/I/NVR48-16P-4KS2/I Series92
NVR616-4KS2 Series97
CD-ROM Installation99
Connection Sample104
Nvr41-4Ks2/Nvr41-P-4Ks2/Nvr41-8P-4Ks2/Nvr41-4Ks2/L/Nvr41-P-4Ks2/L/Nvr41-8P- 4Ks2/L/Nvr21-4Ks2/Nvr21-P-4Ks2/Nvr21-8P-4Ks2/Nvr21-I/Nvr21-I2/Nvr21-P-I/Nvr21-P104
I2/NVR21-8P-I/NVR21-8P-I2 Series104
NVR21-W-4KS2/NVR21HS-W-4KS2 Series105
I2/NVR21HS-P-I/NVR21HS-P-I2/NVR21HS-8P-I/NVR21HS-8P-I2 Series106
NVR22-4KS2/NVR22-P-4KS2/NVR22-8P-4KS2/NVR22-I/NVR22-I2/NVR22-P-I/NVR22-P- I2/NVR22-8P-I/NVR22-8P-I2/NVR22-16P-I/NVR22-16P-I2 Series107
NVR52-4KS2/NVR52-8P-4KS2/NVR52-16P-4KS2/NVR52-24P-4KS2/NVR52-8P-4KS2E/NVR52- 16P-4KS2E Series108
NVR42-4KS2/NVR42-P-4KS2/NVR42-8P-4KS2/NVR42-16P-4KS2/NVR42-4KS2/L/NVR42-P- 4KS2/L/NVR42-8P-4KS2/L/NVR42-16P-4KS2/L Series109
NVR54-4KS2/NVR54-16P-4KS2/NVR58-4KS2/NVR58-16P-4KS2/NVR54-24P-4KS2/NVR54- 16P-4KS2E/NVR58-16P-4KS2E Series110
NVR44-4KS2/NVR44-16P-4KS2/NVR44-4KS2/L/NVR44-16P-4KS2/L/NVR44-4KS2/I/NVR44- 16P-4KS2/I Series111
NVR48-4KS2/NVR48-16P-4KS2/NVR48-4KS2/L/NVR48-16P-4KS2/L/NVR48-4KS2/I/NVR48- 16P-4KS2/I Series112
NVR58-I/NVR58-I/L/NVR48-I Series113
Nvr54-I/Nvr54-I/L/Nvr44-I114
NVR52-16P-I/NVR52-16P-I/L/NVR52-8P-I/NVR52-8P-I/L/NVR42-8P-I/NVR42-16P-I Series114
NVR4216-I Series115
NVR608-4KS2 Series115
NVR616-4KS2 Series116
Local Basic Operation117
Getting Started117
Booting up117
Device Initialization117
Resetting Password120
Enabling Password Reset Function120
Resetting Password on Local Interface121
Reset Button126
Quick Settings127
General128
Date and Time130
Holiday131
Basic Networking Settings133
P2P137
Local Operation137
Client Operation138
Adding Camera140
RAID Manager145
Schedule147
Recording Schedule147
Snapshot Schedule153
Record Control154
Camera156
Connection156
Changing IP Address of Connected Remote Device156
Auto Changing H.265156
IP Export157
IP Import158
Remote Device Initialization159
Shortcut Menu to Add Camera164
Image165
Video Overlay167
Overlay167
Privacy Masking168
Encode169
Encode170
Snapshot172
Channel Name174
Checking Poe Status174
Remote Update175
Remote Device Info176
Device Status176
Firmware177
Live View178
Navigation Bar179
Channel Info180
USB Management181
Live View Control Interface182
Instant Replay183
Digital Zoom185
Instant Backup186
Manual Snapshot186
Two-Way Talk186
Switch Bit Streams186
Shortcut Menu187
Picture Search190
Wireless Paring192
Sequence192
Fisheye (Optional)195
Fisheye De-Warp on Live View Interface195
Fisheye De-Warp During Playback198
Test Temperature198
AI Live View Mode199
Split Tracking202
Quick Operation Bar204
Ptz206
PTZ Settings207
PTZ Control209
Configuring PTZ Functions211
Configuring Presets211
Configuring Tours211
Configuring Patterns212
Configuring Autoscan213
Calling PTZ Functions214
Calling Presets214
Calling Tours214
Calling Patterns215
Calling Autoscan215
Calling Autopan215
Using Auxiliary Button215
Record File216
Playback and Search216
Instant Playback216
Search Interface216
Playback Control219
Search Type221
Clip221
Record Backup222
Smart Search Playback222
Picture Search Playback223
Tag Playback224
Playback Image226
Subperiod Playback226
File List227
Other aux Functions228
Digital Zoom228
Switch Channel228
AI Search228
Face Detection229
Face Recognition231
Searching by Attributes231
Search by Image233
Ivs235
Stereo Analysis236
People Approach Detection236
Fall Detection237
People No. Exception Detection237
People Stay Detection238
Violence Detection238
Human Detection239
Motor Vehicle Detection240
Non-Motor Vehicle Detection241
People Counting243
Heat Map244
General244
Fisheye244
Smd245
Analytics List245
Parameters246
Smart Plan246
Face Detection248
Face Recognition251
Configuring AI by Recorder251
Configuring AI by Camera253
IVS (General Behavior Analytics)254
Tripwire256
Intrusion260
Abandoned Object Detection262
Fast Moving263
Crowd Gathering265
Parking267
Missing Object Detection269
Loitering Detection271
Video Metadata272
Crowd Distribution273
People Counting275
People Counting276
Queuing278
Heat Map280
Anpr282
Smd284
Main-Sub Tracking286
Video Quality Analytics288
Database291
Creating Face Database291
Adding Face Pictures292
Adding One Face Picture292
Adding Face Pictures in Batches295
Exporting/Importing Face Database296
Exporting Face Database296
Importing Face Database297
Block/Allow List298
Adding Block/Allowlist298
Deleting List299
Import/Export Block/Allowlist299
Event Manager300
Alarm Info300
Alarm Status301
Alarm Input301
Alarm Control304
Video Detection305
Motion Detection305
Setting the Motion Detection Region308
Setting Schedule309
Video Tampering310
Video Loss311
Scene Change312
PIR Alarm313
Audio Detection314
Thermal Alarm316
Exception319
Disarming323
Pos324
Search325
Settings326
Privacy Setup327
Connection Mode328
Operation and Maintenance329
Log329
System330
System Version330
AI Algorithm Version330
HDD Info330
Bps331
Device Status332
Network333
Online User333
Network Load334
Network Test335
Maintenance and Management336
Device Maintenance336
Exporting System Settings337
Default339
System Update340
Upgrading File340
Online Upgrade342
Uboot Upgrading343
Network343
Tcp/Ip343
Port345
External Wi-Fi347
Wi-Fi AP348
General Settings348
Advanced Settings349
Cellular Network352
Repeater354
Pppoe357
Ddns358
Upnp359
Configuring Router359
Configuration Upnp359
Email361
Snmp363
Multicast365
Alarm Center366
Register367
Setting Switch368
P2P369
Mobile APP Operation370
Storage371
Basic371
Schedule372
Disk Manager372
Record Control373
Disk Group373
Disk Quota374
Disk Check375
Manual Check375
Detect Report376
Disk Health Monitoring378
Raid379
Creating RAID379
RAID Info381
Hot Spare Disk382
Record Estimate383
Calculating Recording Time385
Calculating HDD Capacity for Storage385
Ftp386
Setting Iscsi388
System389
General389
Serial Port389
Security390
Security Status390
System Service392
Basic Services392
377394
Https395
Attack Defense395
Firewall395
Account Lockout397
Anti-Dos Attack397
Sync Time-Allowlist398
CA Certificate400
Device Certificate400
Trusted CA Certificate401
Audio/Video Encryption402
Security Warning403
Security Exception403
Illegal Login405
Account406
User406
Add User406
Modify Password408
Group410
Reset Password412
ONVIF User413
Output and Display414
Display414
Tour416
Custom Layout417
Audio420
File Management420
Audio Play422
Broadcast423
USB Device Auto Pop-Up425
Shutdown426
Web Operation430
Network Connection430
Web Login430
Web Main Menu431
Cluster Service433
Cluster IP433
Main Device434
Sub Device435
Transfer Record435
Cluster Control436
Arbitrage IP436
Cluster Log437
Glossary438
Faq439
Appendix 1 Cybersecurity Recommendations443
Appendix 2 HDD Capacity Calculation446
Appendix 3 Compatible Network Camera List447

Table of Contents

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