Marshall Electronics Broadcast Multimedia Division description and specifications for a high definition video server that allows real-time transmission of an HDMI composite video signal along with bi-directional AAC encoded high definition stereo audio over standard IP networks.


H.264 4-Channel Dual Streaming Encoder

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H.264 4CH Dual Streaming Encoder

  • Each Channel Up to 30fps / 25fps @ Full D1 resolution
  • Full D1 resolution
  • H.264 & H.264/MJPEG Dual Streaming
  • 4 Channel Encoder
  • Two-Way Audio Communication (G.711, AAC)
  • 4 Composite Video Input
  • Instant Recording (to optional USB 2.0)
  • DDNS (Dynamic Domain Name Server)
  • PoE (Power Over Ethernet): 802.3af
  • Watchdog for system recovery
  • Motion Detection
  • Transmission of Video Data through FTP server
  • Audio Input / Output
  • RS-232 Control Built-In
  • RS-422 / 485 Control Built-In
  • 2 Sensor Inputs
  • 2 Alarm Outputs
  • PSIA and ONVIF Compliant
*required for applications not utililizing PoE

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 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.
System System Mode Encoder
Network Network Interface Ethernet 10 / 100Base-T (RJ-45)
Network Protocol TCP/IP, UDP, Multicast, DHCP, SMTP, HTTP, SNMP, RTP, RTSP
Video Standards Main Stream: H.264
Secondary Stream : H.264 MJPEG
Bitrate 32 ~ 2000 Kbps (Per Channel)
Resolution NTSC : 720x480, 720x240, 352x480, 352x240
PAL : 720x576, 720x288, 352x576, 352x288
Max Frame Rate NTSC : Max 30fps / PAL : Max 25fps
Frame Rate Range NTSC : 0.2 ~ 30fps / PAL : 0.2 ~ 25fps
Input 4 x Composite (1 Vpp 75 Ohm, BNC)
Motion Detection Sensitivity Adjustment
Standards G.711, AAC
Sample Rate G.711: 8kHz / AAC: 32kHz
Bitrate G.711: 64Kbps / AAC: 64Kbps, 128Kbps
Input 1 x Line-In (Mini-stereo Connector w.2 Channels Mono)
1 x Line-Out (Mini-stereo Connector w.2 Channels Mono)
Output 1 x Line-Out (Mini-stereo, Single Mono)
Serial Port 1 1 x RS-232 (Terminal Block)
Port 2 1 x RS-422/485 (Terminal Block)
Data Rate 2,400bps ~ 115,200bps
Sensor Input 4 x NO Contact (Terminal Block)
Alarm Output 4 x NO Contact (Terminal Block)
Beep 1 x Buzzer 88dB Min
Reset Button 1 x Factory Reset Button
User Interface System Status 4 x LED
Storage Recording/Backup 1 x USB 2.0 Port
Software VS Manager/ VMS-16 NVR Live Monitoring, Recording, Search & Playback, Backup
Dimensions 134(W) X 125(D) X 35(H)mm
Weight 486 g
Power Source DC 12V/0.5A, PoE (Power over Ethernet): 802.3af
Power Consumption Max 6W
Operating Temp. -10° C ~ 50°C / 14°F ~ 122°F