Marshall Electronics Broadcast division description and specifications for 2.0MP 20X Zoom IP Box Camera model VS-541-HDSDI with 2 MP, 1920 x 1080, CMOS Sensor, Full HD resolution, Video encoding, audio encoding, Optical Zoom Len, Digital Zoom, live streaming, Dual Streaming, HD-SDI Video, Two-Way Audio Communication, Back Light Compensation, SD card recording, Video Motion Detection.


2.0 MP 20X Zoom IP
Box Camera

Owner's Manual Datasheet Download Download Software
FREE 16-Channel Video Management Software
2.0MP 20X Zoom IP Box Camera


*required for applications not utililizing PoE


  • 2 MP 1/2.5" 1920 x 1080 CMOS Sensor
  • Full HD resolution 1080p30 / 1080i60 Video and Audio Encoding
  • 20x Optical Zoom Lens Built-in (F1.6 ~ F3.5, f=4.7mm ~ 94mm)
  • 240x Zoom (20x Optical Zoom, 12x Digital Zoom)
  • Up to 30fps @ 1920 x 1080 live streaming
  • H.264 & H.264 MJPEG Dual Streaming
  • HD-SDI Video Output
  • Two-Way Audio Communication (G.711/AAC)
  • True Day & Night (Motorized IR Cut Filter)
  • BLC (Back Light Compensation)
  • WDR (Wide Dynamic Range)
  • SD™ Card Recording
  • RS-485 Communication, Pelco D or Pelco P Protocol
  • Integrated Video Motion Detection
  • 2 Motion Sensor Inputs & 2 Alarm Outputs
  • Built-in PoE (Power Over Ethernet: 802af)
  • Various Protocols:
    TCP/IP, Multicast, UDP, HTTP, SMTP, FTP, DHCP, DNS, Dynamic DNS, RTP, RTSP, SNMP
  • PSIA and ONVIF compliant
  • SDK & API Available

Application 1

Application 1 diagram
Single camera with stereo audio point-to-point Encoder (source) to Decoder (monitoring) over LAN/WAN or WEB.

Application 2

Application 2 diagram
Single IP camera with built-in Encoder to multiple Decoders over LAN/WAN or WEB.

Application 3

Application 3 diagram
Single IP camera with built-in Encoder and Mono Audio to multiple Decoders or computers over LAN/WAN or WEB.

Application 4

diagram 4 display
Single camera with stereo audio from Encoder to multiple computers or monitors with audio talkback over LAN/WAN or WEB.

Application 5

application 6 diagram display
Multiple IP cameras and Servers interconnected on a private LAN along with several monitors and computers ported to the WEB.
Any individual IP camera or server may be monitored or controlled remotely from multiple locations.
VS-541-HDSDI Specifications
Section Specifications
Network Network Interface Ethernet 10/100Base-T (RJ-45)
Network Protocol TCP/IP, UDP, Multicast, DHCP, SMTP, HTTP, SNMP, RTP, RTSP
Camera Image Sensor 2.0M 1/2.5" CMOS Image Sensor
Focal Length F1.6 ~ F3.5, f=4.7mm~94mm
Zoom x20 Optical Zoom and x12 Digital Zoom
Focus Position ∞ ~ 1cm
Angle of View Horizontal : 54.1(Wide) ~ 3.0(Tele)
Minimum Illuminance 1.0 Lux (B/W), F1.8 with 50 IRE
S/N Ratio 50 dB or more
AE Mode Auto, Manual, Bright, Shutter Priority, Iris Priority, Spot
IRIS Control Auto / Manual (F1.8 ~ F26, Close)
Gain Control Auto / Manual (-3 ~ 18dB)
Shutter Control Auto / Manual (1/2 ~ 1/10,000 sec)
White Balance Auto / Manual (Red, Blue Gain Adjustable)
DSS Limit 1/60 ~ 1/2 or 1/50 ~ 1/2
Day & Night Auto / Day / Night (ICR)
BLC Auto / Manual
WDR On / Off
Aperture Control 16 steps
Standards Main Stream: H.264
Secondary Stream: H.264/MJPEG
Output 1 x HDMI or 1 x HD-SDI (BNC type) (Choose one option)
Resolution 1920x1080 ~ 352x240, 18 resolution steps
Max Frame Rate H.264/MJEPG: 30fps @ all resolutions
Bitrate 32 ~ 10,240 Kbps
Audio Algorithm G.711/AAC
Input 1 x Line-In (Mini-stereo)
Output 1 x Line-Out (Mini-stereo)
Sample Rate G.711: 8kHz / AAC: 32kHz
Bitrate G.711: 64Kbps,
AAC: 64Kbps, 128Kbps
Serial Port 1 x RS-485
Data Rate 2,400bps ~ 115,200bps
Sensor/Alarm/etc. Sensor Input 1 x Photo-Coupler Input
Alarm Output 1 x Relay Output (Normal Open)
Reset Button Factory Reset Button
User Interface System Status LED
Software True NVR/CMS Live Monitoring, Recording, Search & Playback, Backup
Dimensions 167.1 (W) x 74 (L) x 73 (H)mm
Weight 685 g
Power DC 12V/0.7A
PoE: 802.3af
Power Consumption Max 8.5W
Operation Temperature -10°C ~ 50°C / 14°F ~ 122°F

* Pricing does not reflect freight costs and applicable taxes and duties
* Pricing, specification and features are subject to change


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