User Manual
DS-73xxHUI-K4, DS-73xxHQI-K4, DS-90xxHUI-K8 DVR User Manual 
UM DS-73xxHUI-K4 DS-73xxHQI-K4 DS-90xxHUI-K8 092017NA  9 
Network Functions 
•  Self-adaptive 100M or 1000M network interface 
•  IPv6 is supported 
•  TCP/IP protocol, PPPoE, DHCP, DNS, DDNS, NTP, SADP, SMTP, NFS, iSCSI, UPnP™, and HTTPS are 
supported 
•  Supports access by Hik-Connect. If you enable Hik-Connect, the device will remind you the Internet 
access risk and ask you to confirm the “Terms of Service” and “Privacy Statement” before enabling 
the service. You should create a verification code to connect to Hik-Connect. 
•  TCP, UDP, and RTP for unicast 
•  Auto/Manual port mapping by UPnP™ 
•  Remote search, playback, download, locking and unloc
king the record files, and downloading files 
broken transfer resume 
•  Remote parameters setup; remote import/export of device parameters 
•  Remote viewing of the device status, system logs and alarm status 
•  Remote keyboard operation 
•  Remote HDD formatting and program upgrading   
•  Remote system restart and shutdown 
•  Supports upgrading via remote FTP server 
•  RS-485 transparent channel transmission 
•  Alarm and exception information can be sent to the remote host 
•  Remotely start/stop recording 
•  Remotely start/stop alarm output 
•  Remote PTZ control 
•  Two-way audio and voice broadcasting 
•  Output bandwidth limit configurable 
•  Embedded Web server 
•  If DHCP is enabled, you can enable DNS DHCP or disab
le it and edit the Preferred DNS Server and 
Alternate DNS Server 
Development Scalability 
•  SDK for Windows and Linux system 
•  Source code of application software for demo 
•  Development support and training for application system 










