4-ch H.264/MPEG4/MPEG2/MJPEG Video Encoder

  • H.264/MPEG4/MPEG2/MJPEG encoding standards supported
  • Support encoding video at up to 4CIF resolution
  • One independent PoE network interfaces
  • Connectable with network HDD in NAS, IPSAN mode
  • Support multiple network protocols, including IPv4/v6, HTTP, HTTPS, QoS layer3 DiffServ,
    FTP, SMTP, Bonjour, UPnP, SNMPv1/v2c/v3, OnVIF, PSIA, SOCKSv4/v5, etc.;
  • Multiple PTZ protocols


Model Number HER503-4
Video Compression H.264 / MPEG4 / MPEG2 / MJPEG
Video input 4-ch, BNC (1.0Vp-p, 75Ω)
Audio Compression G.711u
Audio input 4-ch Line input interface (2.0 Vp-p, 1kΩ)
Two-way audio input 1-ch, 3.5mm interface (2.0 Vp-p, 1kΩ)
Audio output 1-ch, 3.5mm interface (Linear, 600Ω)
Recording resolution 4CIF / 2CIF /CIF / QCIF
Frame rate 25 fps (P) / 30 fps (N)
Video bit rate 32 Kbps ~ 3072 Kbps, or user defined (Max. 8192 Mbps)
Audio bit rate 64 Kbps
Dual-stream Support
Stream type Video, Video & Audio
Capacity 32G for microSD storage
Network interface 1 RJ-45 10M/100 Mbps adaptive Ethernet intreface (PoE)
Protocols IPv4/v6, HTTP, HTTPS, QoS layer3 DiffServ, FTP, SMTP, Bonjour, UPnP, SNMPv1/v2c/v3(MIB-11), DNS, DynDNS, hkDDNS, NTP, RTSP, RTP/RTCP, TCP, UDP, IGMP, ICMP, DHCP, ARP, SOCKSv4/v5, PSIA, OnVIF, Hik CGI, netFilter
Serial interface 1 half-duplex RS-485 interface, 1 RS-232 interface
Alarm in 4
Alarm out 2
Power supply 12 VDC
Consumption ≤ 7W
Working temperature -10 °C ~ +55 °C
Working humidity 10% ~ 90%
Dimensions (W x D X H) 114 x 48 x 128 mm
Weight ≤ 1 Kg