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Description
Dahua 8CH Smart 1U 8PoE 1HDD WizSense Networkvideorecorder (NVR4108-8P-EI)Productbeschrijving De Dahua NVR4108 8P EI is een netwerkrecorder uit de WizSense serie, ontworpen voor IP bewakingssystemen. Het apparaat ondersteunt tot 8 IP camera's. De NVR4108 8P EI heeft n VGA video uitgang en n 4K HDMI video uitgang. De Dahua NVR4108 8P EI ondersteunt n harde schijf met een maximale capaciteit van 16 TB. Daarnaast bieden twee USB 2. 0 poorten de mogelijkheid om randapparatuur en externe opslagapparaten aan te sluiten. De
Productbeschrijving
De Dahua NVR4108-8P-EI is een netwerkrecorder uit de WizSense-serie, ontworpen voor IP-bewakingssystemen. Het apparaat ondersteunt tot 8 IP-camera's. De NVR4108-8P-EI heeft één VGA-video-uitgang en één 4K HDMI-video-uitgang. De Dahua NVR4108-8P-EI ondersteunt één harde schijf met een maximale capaciteit van 16 TB. Daarnaast bieden twee USB 2.0-poorten de mogelijkheid om randapparatuur en externe opslagapparaten aan te sluiten. De NVR4108-8P-EI heeft ook een ingebouwde PoE-switch (8 poorten) waarmee camera's rechtstreeks op de NVR kunnen worden aangesloten. De recorder biedt een QuickPick-functie waarmee gebruikers naar objecten van belang in opgenomen beelden kunnen zoeken. Na het selecteren van een object, toont de NVR de fragmenten waarin het object voorkwam.
Belangrijkste kenmerken
- Ondersteunt de decoderingsformaten Smart H.265+, H.265, Smart H.264+, H.264 en MJPEG.
- Maximale bandbreedte van 256 Mbps voor inkomend/opnemend/uitgaand dataverkeer.
- Maximale decodeercapaciteit: 16 × 1080p@30 fps of 4 × 8 MP@30 fps.
- Ondersteunt IP-camera's met een resolutie tot 16 MP.
- AI by Recorder ondersteunt gezichtsdetectie en herkenning via 1 kanaal, perimeterbeveiliging via 2 kanalen, tot 10 gezichtsdatabases en 20.000 gezichtsafbeeldingen, en 4-kanaals SMD.
- AI van Camera ondersteunt gezichtsdetectie en herkenning, perimeterbeveiliging, SMD, personentelling, stereoanalyse en heatmaps.
- Ondersteunt EPTZ en in en uitschakelen met één klik.
Specificaties
| Systeem | |
| Hoofdprocessor | Processor van industriële kwaliteit |
| Besturingssysteem | Embedded Linux |
| Bedieningsinterface | Web, lokale GUI |
| AI | |
| AI door Recorder | Gezichtsdetectie; gezichtsherkenning; perimeterbeveiliging; en SMD |
| AI door Camera | Gezichtsdetectie; gezichtsherkenning; perimeterbeveiliging; SMD; ANPR; personen tellen; stereoanalyse; hittekaart |
| Perimeterbeveiliging | |
| Perimeter Performance AI op basis van recorder (aantal kanalen) | 2 kanalen, 10 IVS-regels voor elk kanaal. |
| Perimeterprestaties van AI per camera (aantal kanalen) | Alle kanalen (8 doelen/s) |
| Gezichtsherkenning | |
| Gezichtskenmerken | Geslacht; leeftijdsgroep; bril; gezichtsuitdrukkingen; gezichtsmasker; baard |
| Prestaties van gezichtsherkenning door AI per recorder (aantal kanalen) | 1 kanaal (tot 12 gezichtsafbeeldingen per seconde per kanaal) |
| Prestaties van AI-gezichtsdetectie via camera (aantal kanalen) | Alle kanalen (8 doelen/s) |
| Gezichtsherkenning | |
| Capaciteit van de gezichtsdatabase | Tot 10 gezichtsdatabases met 20.000 afbeeldingen, met een totale capaciteit van 2,5 GB. Aan elke gezichtsafbeelding kunnen naam, geslacht, geboortedatum, adres, type legitimatiebewijs, legitimatiebewijsnummer, land en regio en provincie worden toegevoegd. |
| Prestaties van AI voor gezichtsherkenning per recorder (aantal kanalen) | 8-kanaals FD (via camera) + FR (via recorder), beeldstroom: 12 gezichtsbeelden/s 1-kanaals FD (via recorder) + FR (via recorder), videostroom: 12 gezichtsbeelden/s |
| Prestaties van AI-gezichtsherkenning via camera (aantal kanalen) | Alle kanalen (8 doelen/s) |
| SMD Plus | |
| SMD Plus van Recorder | 4 kanalen: Secundaire filtering voor mensen en motorvoertuigen, waardoor valse alarmen veroorzaakt door bladeren, regen en veranderende lichtomstandigheden worden verminderd. |
| SMD door Camera | Alle kanalen (16 doelen/s) |
| Audio en video | |
| Toegangskanaal | 8 kanalen |
| Netwerkbandbreedte | AI uitgeschakeld: 256 Mbps inkomend, 256 Mbps opnemen en 256 Mbps uitgaand. AI ingeschakeld: 180 Mbps inkomend, 180 Mbps opnemen en 180 Mbps uitgaand. |
| Resolution | 16 MP;12 MP;8 MP;6 MP;5 MP;4 MP;3 MP;1080p;720p;960p;D1;CIF |
| Decodeermogelijkheid | AI uitgeschakeld: 2-kanaals 16 MP@30 fps; 2-kanaals 12 MP@30 fps; 4-kanaals 8 MP@30 fps; 4-kanaals 6 MP@30 fps; 6-kanaals 5 MP@30 fps; 8-kanaals 4 MP@30 fps. AI ingeschakeld: 1-kanaals 16 MP@30 fps; 2-kanaals 12 MP@30 fps; 3-kanaals 8 MP@30 fps; 3-kanaals 6 MP@30 fps; 4-kanaals 5 MP@30 fps; 6-kanaals 4 MP@30 fps; 8-kanaals 1080p@30 fps |
| Video-uitvoer | 1 HDMI, 1 VGA HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720 VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 *Gelijktijdige/heterogene video-uitvoer voor VGA en HDMI is configureerbaar. |
| Weergave van meerdere schermen | 1e scherm: 1/4/8/9 2e scherm: 1/4/8/9 |
| Toegang tot camera's van derden | Panasonic, Sony, Hanwha, Axis, Pelco, Arecont, ONVIF, Canon |
| Compressiestandaard | |
| Videocompressie | Smart H.265+; H.265; Smart H.264+; H.264; MJPEG |
| Audiocompressie | G.711a; G.711u; PCM; G726 |
| Netwerk | |
| Netwerkprotocol | HTTP; HTTPS; TCP/IP; IPv4; IPv6; RTSP; UPnP; SNMP; UDP; SMTP; NTP; DHCP; DNS; IP-filter; PPPoE; DDNS; FTP; Alarmserver; IP-zoekfunctie (ondersteunt Dahua IP-camera's, DVR's, NVS, enz.); P2P; Automatische registratie |
| Toegang via mobiele telefoon | iOS; Android |
| Interoperabiliteit | ONVIF 23.12 (Profiel T; Profiel S; Profiel G); CGI; SDK |
| Browser | Chrome; IE9 en later; Firefox |
| Opname afspelen | |
| Multikanaals weergave | Tot 8 kanalen |
| Opnamemodus | Algemeen, bewegingsdetectie; intelligent; alarm |
| Back-upmethode | USB-apparaat en netwerk |
| Afspeelmodus | Direct afspelen, algemeen afspelen, afspelen tijdens een evenement, afspelen met tags, slim afspelen |
| Alarm | |
| Algemeen alarm | Bewegingsdetectie; privacymaskering; videoverlies; scèneverandering; PIR-alarm; extern IPC-alarm |
| Anomaliealarm | Fout (geen schijf; schijffout; te weinig ruimte; te weinig quotumruimte; abnormale schijfstatus; netwerkonderbreking; IP-conflict; MAC-conflict); videoverlies; videomanipulatie; camera offline; audiodetectie |
| Intelligent alarm | Gezichtsdetectie; gezichtsherkenning; perimeterbeveiliging; SMD Plus; personen tellen; stereoanalyse; warmtekaart |
| Alarmkoppeling | Opnemen; momentopname; IPC externe alarmuitgang; audio; zoemer; logboek; voorinstelling; e-mail |
| Port | |
| Audio-ingang | 1-kanaals RCA |
| Audio-uitgang | 1-kanaals RCA |
| Schijfinterface | 1 SATA-poort, tot 20 TB. De maximale HDD-capaciteit varieert afhankelijk van de omgevingstemperatuur. |
| USB | 2 (2 USB 2.0-poorten aan de achterzijde) |
| HDMI | 1 |
| VGA | 1 |
| Netwerkpoort | 1 (10/100/1000 Mbps Ethernet-poort, RJ-45) |
| PoE-poort | 8 poorten, 10/100 Mbps, IEEE 802.3 af/at |
| Algemeen | |
| Voeding | 53 VDC, 1,812 A |
| Stroomverbruik | < 10 W (zonder HDD) Het totale maximale uitgangsvermogen van PoE is 78 W, het maximale uitgangsvermogen van een enkele poort is 25,5 W. |
| Nettogewicht | 0,70 kg (1,54 lb) |
| Brutogewicht | 1,74 kg (3,84 lb) |
| Productafmetingen | 270,0 mm × 206,2 mm × 47,5 mm (10,63" × 8,12" × 1,87") (B × D × H) |
| Verpakkingsafmetingen | 427 mm × 96 mm × 262 mm (16,81" × 3,78" × 10,31") (B × L × H) |
| Bedrijfstemperatuur | –10 °C tot +55 °C (+14 °F tot +131 °F) |
| Bewaartemperatuur | –20 °C tot +60 °C (–4 °F tot +140 °F) |
| Bedrijfsvochtigheid | 10%–93% (relatieve vochtigheid), niet-condenserend |
| Certificeringen | FCC: 47 CFR FCC Deel 15, Subdeel B, Klasse A CE-EMC: EN 55032:2015+A1:2020; EN IEC 61000-3-2:2019+A1:2021; EN 61000-3-3:2013+A1:2019+A2:2021; EN 55035:2017+A11:2020; EN 50130-4:2011+A1:2014 CE-LVD: EN 62368-1:2014 |
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4.3 ★★★★★
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Product Reviews
★★★★★ 3
Solid and Helpful but left me wishing for a little more
Format: Paperback
I loved the first 8 chapters - the last three fizzled out for me. It makes me wonder if even the first eight chapters could've been abridged and the whole thing reduced to a pithy booklet.
That being said, the first eight chapters contain some excellent material that I will be incorporating not only into my own life, but into my toolbox of material to use in helping others. The best material for me was in:
> Ch. 6, "What Changes You?" - He has a simple, practical grid of the basic "Five Factors of Sanctification."
- Foundationally, God changes you.
- Secondly, The Word of Truth changes you.
- Third, Wise People change you.
- Fourth, Suffering and Struggling changes you.
- Finally, You change.
"Constructive change occurs through the interplay of these five factors: God, Scripture, other People, Life Circumstances, and the Human Heart."
"Foolishness either overcomplicates or oversimplifies."
> Ch. 2, "Is there One Key to Sanctification?" This is his great critique of the idea that there's a master-key to the Christian life, some fool-proof, secret principle that changes everything for everyone. We tend to think that the thing that revolutionizes everything for me, must be "the key" for everyone. But we're too complex and the Word and life is too diverse for there to be one master key solution. "Theological fads and fashions come and go" - but part of the counsel of God was never intended to give us the benefits of "the whole counsel of God." New days come and new challenges arise, and we have to keep on pressing on. Our variety of needs and the varieties of helps necessarily defy "reductionism." There is no single key.
"Progressive sanctification is about how we live in between God's laying the cornerstone and setting the capstone."
> Ch. 3, "Truth Unbalanced and Rebalancing" - If I might reword David's principle, slightly, In ministry, we over-emphasize one aspect of truth for the sake of application. In David's words, "Ministry unbalances truth for the sake of relevance; theology rebalances truth for the sake of comprehensiveness." We can only say one thing at a time and a person, practically, can only work on one thing at a time. So we make much of a single thing, and then always try to bring it back into alignment with the whole of life and the whole counsel of God.
"You do not build a house with only one tool in your toolbox when God gives you a truckload of tools. But you use your tools one at a time, the right tool for the right job."
"In the long run, a single truth harped on will disappoint even its devotees."
> 5. "We Are Sanctified By Remembering Our Justification." Throughout the book, David Powlison has been coming back to the concrete, recent example of a sanctification key, advocated by many: Remember the past grace of justification; Repreach the gospel to yourself every day; Realize that you are accepted by God because of the merits of Christ, not your own. In this chapter he highlights that this is certainly one of the tools in our toolbox - sometimes this is the very thing we need for progress in sanctification. But it is but one part of a larger whole. A greater point to always have in mind is that God is for us: He was, is, still is, and always will be for us. Don't just look to past grace, but also to present grace and future grace, as well as many other useful motivations.
David's personal testimonies in chapters 7 and 8 are rich. He weaves in the interplay of the five agents of change. Very good.
"There is a reason that 'Don't be afraid" (in all its variants) is the most common command in all of Scripture."
There is also a beautiful section in the last chapter describing the contrast between the peace of the believer exemplified in a text like Psalm 23, and the "anti-psalm" emptiness of the unbeliever whose life ends at the end of the valley of the shadow of death.
Very good, but a bit disappointing to me. Powlison is true physician of the soul. When he speaks I want to listen.
I would recommend Kevin DeYoung's, "The Hole in Our Holiness: Filling the Gap between Gospel Passion and the Pursuit of Godliness" as an additional and very satisfying book on this subject.
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Reviewed in the United States on June 14, 2017
★★★★★ 5
God Works to Deepen Faith and Enlarge Love
Format: Paperback
What a great little book! I hope you will pick up a copy, read it, and reread it. Don't be put off by its brevity (123 pages including end notes and indices). There is depth here. Powlison rejects a "one-size-fits-all" understanding of sanctification, calling for "multiple mundane examples" of Christian growth--calling, in short, for stories of real people in real circumstances, people in and through whom God works in a great variety of ways to deepen faith (vertical transformation) and enlarge love (horizontal transformation). There are several great "take aways" in this book: seven implications of the cross of Christ, five cooperating elements of sanctification, three features of the stories people tell when they describe how God works in their lives to bring about change, and, on top of that, three great stories of growth in grace. I highly recommend David Powlison's How Does Sanctification Work? It won't take you long to read, and it will repay the time you invest with multiple dividends.
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Reviewed in the United States on March 7, 2018
★★★★★ 5
Loving Self and Others Well as We Grow
Format: Kindle
This is an excellent discussion of how we ourselves change/mature and how we can love others well on their unique journey. And unique is stressed here - he's a counselor and well knows that people are unique and deserve and require unique counsel. We all receive love differently, in the specific moment and in the specific stage of life and circumstance.
His theology is sound and his writing is oh so very clear and beautiful. I almost weep with joy at some of his deep reflections. His "own story" chapters are very insightful as samples of how he and we move from a place we don't want to be (unloving and selfish) to where we can be (loving other well). It's less of a checklist of how to do this than an observation of what's happened in his life and others. It can give a teachable heart a boost of self-compassion and compassion for others.
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Reviewed in the United States on May 31, 2017
★★★★★ 5
Must read
Format: Paperback
One of the best theology books I’ve ever read. Very beautifully written and deeply needed in this generation.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Need people less, love them more.
Format: Paperback
I just finished this book. AWESOME!!!
I got the book simply because of the title and one phrase that hit me hard. "We have to learn to need people less and love them more."
The introduction is such that it gets you excited about what you are about to read. But then, the first few chapters, you almost feel as if you've been deceived. But he's just setting things up.
I don't think I've ever read a book that continues to get better as you read it. The best part of the book is the last section of the last chapter.
Get it. Read it. You will benefit. I promise.
Learn to need people less and love them more as you begin decrease your fear of man and increase your fear of the Lord.
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Reviewed in the United States on September 9, 2024