D-Link DCS-935L User Manual

53D-Link DCS-935L User Manual
Section 6 - Troubleshooting
5. Why does my DCS-935L work locally but not remotely?
Thismightbecausedbytherewallprotection.ChecktheInternetrewallwithyoursystemadministrator.Therewallmayneedtohavesome
settings changed in order for the network camera to be accessible outside your local LAN.
Makesurethatthenetworkcameraisn’tconictingwithanyWebserveryoumayhaverunningonyournetwork.
Thedefaultroutersettingmightbeapossiblereason.Makesurethatthecongurationoftheroutersettingsallowthenetworkcameratobe
accessed outside your local LAN.
6. Why does a series of broad vertical white lines appear through out the image?
ItcouldbethattheCMOSsensor(asquarepanelsituatedbehindthelensthatmeasuresthelightsignalsandchangesitintoadigitalformatso
yourcomputercandisplayitasanimagethatyouarefamiliarwith)hasbecomeoverloadedwhenithasbeenexposedtobrightlightssuchas
directexposuretosunlightorhalogenlights.Relocatethecameratoamoreshadedareaassoonaspossible.Prolongedexposuretobrightlights
willdamagetheCMOSsensorinyourcamera.
7. The camera is producing noisy images. How can I solve the problem?
Thevideoimagesmightbenoisyifthenetworkcameraisplacedinaverylow-lightenvironment.
8. The images are poor quality. How can I improve the image quality?
Makesurethatyourcomputer’sdisplaypropertiesaresettoatleast16-bitcolor.Using16or256colorsonyourcomputerwillproducedithering
artifactsintheimage,makingtheimagelookasifitisofpoorquality.
Thecongurationonthenetworkcameraimagedisplaymaybeincorrect.TheImageSetuppageintheWebCongurationsectionexplainshow
youcanadjusttheparameterssuchasbrightness,contrast,hueandcolorsaturation.Referto“ImageSetup”onpage34.
9. Why are no images available through the Web browser?
ActiveXmightbedisabled.IfyouareviewingtheimagesfromInternetExplorermakesureActiveXhasbeenenabledintheInternetOptionsmenu.
YoumayalsoneedtochangethesecuritysettingsonyourbrowsertoallowtheActiveXplug-intobeinstalled.
IfyouareusingInternetExplorerwithaversionnumberlowerthan7,thenyouwillneedtoupgradeyourWebbrowsersoftwareinordertoview
the streaming video transmitted by the network camera.

D-Link DCS-935L Specifications

General

Type	IP security camera
PTZ control	-
Placement supported	Indoor
Connectivity technology	Wireless
Form factor	Box
Product color	White
Maximum resolution	1280 x 720 pixels
Supported video modes	720p
Video formats supported	H.264, M-JPEG
Minimum illumination	0 lx
Sensor type	CMOS
Progressive scan	Yes
Optical sensor size	1/4 \
Optical zoom	- x
Fixed focal length	2.38 mm
Security algorithms	WPA, WPA2
Built-in HDD	No
LED type	IR
Night vision distance	5 m
Wi-Fi standards	Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Supported network protocols	IPV4, ARP, TCP, UDP, ICMP, DHCP Client, NTP Client, SMTP Client, FTP Client, HTTP Server, PPPoE, RTP, RTSP, RTCP,
Audio formats supported	AAC
DC output voltage	+5V
Power consumption (typical)	3.5 W
Storage temperature (T-T)	-20 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	20 - 80 %
Mobile operating systems supported	Android, iOS
Windows operating systems supported	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64

Weight and Dimensions

Depth	84.5 mm
Width	66.7 mm
Height	124.85 mm
Weight	160 g