Catalog > Consumer Electronics > Security & Alarms > Hikvision Surveillance 4-Channel Video Encoder 4-Channel Video Encoder HKV DS-6704HWI Hikvision Encoder, H.264/MPEG4/MPEG2/MJPEG, 4CH BNC, WD1/4CIF/2CIF/CIF/QCIF, {25 fps (P) / 30 fps/N}, 4 TB disk capacity & 32G microSD, 1x PoE network interface, Connectable with HDD in NAS/IPSAN mode, Multiple network protocols Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Bring your analog cameras into the digital IP-based age with this DS-6704HWI 4-Channel Video Encoder from Hikvision which performs real-time H.264, MPEG-4, MPEG-2, or MJPEG compression at resolutions up to WD1/960H 960 x 480 at up to 30 fps. It features 4 channels as well as support for single or dual stream encoding and has two-way audio communication via dedicated 3.5mm input and output jacks. Also, RS-485 and RS-232 ports enable full PTZ camera control. In addition to all of this, the encoder features 4 alarm inputs and 2 alarm outputs, an RJ-45 10/100 Mbps PoE Ethernet port, and support for NAS, iSCSI, and IPSAN storage systems along with a microSD card slot. Features H.264/MPEG-4/MPEG-2/MJPEG Compression WD1/960H 960 x 480 at up to 30 fps 4 Channels; Dual Stream Encoding RS-485 & RS-232 Ports for PTZ Control Two-Way Audio Communication RJ-45 10/100 Mbps PoE Ethernet Port 4 Alarm Inputs & 2 Alarm Outputs microSD Memory Card Slot NAS, iSCSI, & IPSAN Storage Supported Specifications Compression Format : H.264 MPEG-4 MPEG-2 MJPEG Resolution : WD1/960H 960 x 480 maximum WD1, 4CIF, 2CIF, CIF, QCIF Frame Rate : NTSC: 30 fps PAL: 25 fps Video Streaming : Single, Dual Video Bit Rate : 32-3072 kbps, or user defined up to 8192 Mbps Audio Compression : G.711u Audio Bit Rate : 64 kbps Video Input : 4 x Analog BNC (1.0 Vp-p, 75 ohms) Audio Input : 4 x Line input interface (2.0 Vp-p, 1 kOhms) 1 x 1/8" (3.5mm) interface (2.0 Vp-p, 1 kOhms) for two-way communication Audio Output : 1 x 1/8" (3.5mm) interface (linear, 600 ohms) for two-way communication PTZ Control : 1 x RS-485 half-duplex interface 1 x RS-232 interface Alarm : 4 x Inputs 2 x Outputs Network Interface : 1 x RJ-45 10/100 Mbps adaptive Ethernet (PoE) Data Storage : NAS, iSCSI, IPSAN (up to 4 TB capacity for each disk) Card Slot : 1 x microSD/SDHC memory card slot (supports up to 32 GB) Protocols : IPv4/v6, HTTP, HTTPS, QoS layer3 DiffServ, FTP, SMTP, Bonjour, UPnP, SNMPv1/v2c/v3(MIB-II), DNS, DynDNS, hkDDNS, NTP, RTSP, RTP/RTCP, TCP, UDP, IGMP, ICMP, DHCP, ARP, SOCKSv4/v5, PSIA, OnVIF, Hik CGI, netFilter Power Requirements : 12 VDC Power Consumption : <7 W Operating Conditions : Temperature: 14 to 131°F / -10 to 55°C Humidity: 10 to 90% Dimensions : 4.5 x 1.9 x 5.0" / 114 x 48 x 128 mm Weight : 2.2 lb / 1 kg