Marshall Electronics Broadcast Multimedia Division description and specifications for D1 27x Vandal Proof IP Speed Dome model VS-370-X27 with image sensor, illumination, white, true day and Night, on screen display, making, motion detection, digital zoom, digital shutter speed, angle of view, video compression, video streaming, audio compression, API, Sensor Input, Network Protocol.

D1 27x Vandal Proof IP Speed Dome

*required for applications not utililizing PoE

Wall Mount Bracket
Wall Mount Bracket
(For Indoor and Outdoor use)

Ceiling Mount Bracket
Ceiling Mount Bracket
(For Indoor and Outdoor use)

  • 1/4" Interline transfer CCD (811 x 508)
  • D1 Video resolution
  • 27x Optical Zoom (F1.6-2.6, f=3.5-94.5mm)
  • 324x Zoom Control (Optical 27x, Digital 12x)
  • H.264 & H.264 MPEG Dual Streaming
  • Two-Way Audio Communication (G.711/AAC)
  • True Day & Night (Motorized IR Cut Filter)
  • WDR (Wide Dynamic Range)
  • Vandal-Proof, IP66-Rated Dome
  • Built-in Fan / Heater
  • Fast & Smooth Pan Motion with 360° Continues Rotation
  • Low Noise & Low Vibration
  • Lightning Speed (Max 60°/sec) & smooth manual speed (Min.0.05°/sec)
  • 128 Presets, 8 Swings, 4 Patterns, 8 Groups
  • RS-485 Communication, Pelco D or Pelco P Protocol
  • Integrated Video Motion Detection
  • Motion Sensor Input & Alarm Output
  • 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-370-X27 Specfications
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 1/4" Solid State Progressive CCD Scan
Focal Length F1.6~F2.8, f=4.7mm~84.6mm
Zoom 18x Optical Zoom
Focus Length ∞ ~ 1.0m(Tele) ~ 0.01m(Wide)
Angle of View Horizontal: 55.2(Wide) ~ 3.2(Tele)
Min. Illuminance 0.5 Lux (Color) / 0.02 Lux (B/W), F1.6, 50 IRE, 1/4s, 28 dB
AE Mode AE / AER / AE+ / AER+ / Shutter / Exposure / AGC
S/N Ratio 50 dB or more
IRIS Control Auto / Manual (F1.6 ~ F34)
Gain Control Auto / Manual (0 ~ 30 dB)
Shutter Control Auto / Manual (1/4 ~ 1/10,000 sec)
White Balance Auto / Manual (Red, Blue Gain Adjustable)
DSS Limit 2x / 4x/ 8x Fields
Day & Night (ICR) Auto / Manual (ICR)
BLC Auto / Manual, 256 Levels
WDR On / Off
Privacy Mask 4 Masks
Pan/Tilt Range Pan: 360°(Endless) / Tilt: 90°
Pan/Tilt Speed Preset: 360°/ sec
Manual: 0.05°~ 360°/ sec (Zoom Proportional)
Swing: 1.4°~ 180°/ sec
Preset 98 Presets
Pattern 4 Patterns (Approx. 5 Minutes for Each Pattern)
Swing 8 Swings
Group 8 Groups (MAX. 20 Entries for Each Group)
Other Functions Auto Flip, Freeze on Preset, Auto Parking, Power-up Action
Standards Main Stream: H.264
Secondary Stream: H.264 MJPEG
Output 1 x Composite (BNC type) or 1 x HD-SDI (BNC type) (Choose one option)
Resolution 720 x 480 ~ 352 x 240, 13 resolution steps
Max Frame Rate H.264 MJPEG: 20fps @ 1280 x 960, 30fps @ 1280 x 720 ~ 352 x 240
Bitrate 32 ~ 10,240 Kbps
Algorithm G.711/AAC
Input 1 x Line-In (Mini-stereo, Single Mono)
Output 1 x Line-Out (Mini-stereo, Single Mono)
Sample Rate G.711: 8kHz, AAC: 32kHz
Bitrate G.711: 64Kbps, AAC: 64Kbps, 128Kbps
Serial Port
Port RS-485 for PTZ control
Protocol Pelco-D, Pelco-P
Sensor Input 2 x Photo-Coupler Input
Alarm Output 2 x Relay Output (Normal Open)
Reset Button Factory Reset Button
Software VS Manager/VMS-16 NVR Live Monitoring, Recording, Search & Playback, Backup
Mount Bracket Wall Mount or Ceiling Mount (Option)
Dimensions Dome: ø150mm / ø5.9"
Housing: 185(ø) x 193.5(H)mm / 7.3"(ø) x 7.6"(H)
Weight Approx. 3.8 kg/8.4 lbs (Wall) Approx. 3.2 kg/7.0 lbs (Ceiling)
Material Dome: Polycarbonate / Housing: Aluminum
Power DC 12V/3A
Power Consumption Max 36W
Waterproof IP67
Fan Always ON
Operating Temp. -30° C ~ 60°C / -34°F ~ 140°F