HIKVISION DS-7208HGHI-F1 - Glossary

Digital Video Recorder User Manual
316
Model
DS-8104HQHI-F8/N
DS-8108HQHI-F8/N
DS-8116HQHI-F8/N
USB
interface
Front panel: 2 × USB 2.0
Rear panel: 1 × USB 3.0
Serial
interface
RS-232, RS-485 (full-duplex), Keyboard
Alarm in/out
16/4
General
Power
supply
100 to 240 VAC
Consumption
(without
HDD)
≤ 30 W
≤ 40 W
≤ 55 W
Working
temperature
-10 ºC to +55 ºC (14 ºF to 131 ºF)
Working
humidity
10% to 90%
Dimensions
(W × D × H)
445 × 470 × 90 mm (17.5 × 18.5 × 3.5 inch)
Weight
(without
HDD)
≤ 8 kg (17.6 lb)
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.