Digital Video Recorder User Manual
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Front panel: 2 × USB 2.0
Rear panel: 1 × USB 3.0
RS-232, RS-485 (full-duplex), Keyboard
Consumption
(without
HDD)
-10 ºC to +55 ºC (14 ºF to 131 ºF)
445 × 470 × 90 mm (17.5 × 18.5 × 3.5 inch)
18.2 Glossary
• Dual-Stream: Dual-stream is a technology used to record high resolution video locally while
transmitting a lower resolution stream over the network. The two streams are generated by
the DVR, with the main stream having a maximum resolution of 1080P and the sub-stream
having a maximum resolution of CIF.
• DVR: Acronym for Digital Video Recorder. A DVR is device that is able to accept video signals
from analog cameras, compress the signal and store it on its hard drives.
• HDD: Acronym for Hard Disk Drive. A storage medium which stores digitally encoded data on
platters with magnetic surfaces.
• DHCP: Dynamic Host Configuration Protocol (DHCP) is a network application protocol used
by devices (DHCP clients) to obtain configuration information for operation in an Internet
Protocol network.