CCTV
pertama telah dipasang oleh syarikat Jerman Siemens AG pada Test Stand VII di
Peenemünde, Jerman pada tahun 1942, digunakan untuk memerhati perlancaran roket
V-2.
Kelengkapan
Sistem CCTV
Kelengkapan utama dalam sistem pengoperasian CCTV adalah seperti berikut:
1)
Kamera
Kamera CCTV berfungsi sebagai
alat perakam imej bergerak (video) dan menukarkannya kepada isyarat video
komposit. Terdapat beberapa jenis kamera yang berbeza dari segi kualiti,
penggunaan dan fungsi-fungsinya. Setiap kamera akan disambungkan ke Digital
Video Recorder (DVR) secara langsung.
Terdapat pelbagai jenis kamera yang dijual dipasaran antaranya ialah :
i. Dome Camera
ii. Waterproof Camera
iii.Infra Red Camera
iv. IP Camera
v. Stabdard Box Camera dan banyak lagi dipasaran
iv. IP Camera
v. Stabdard Box Camera dan banyak lagi dipasaran
2) Digital Video Recorder (DVR)
DVR adalah sistem yang digunakan oleh CCTV untuk merakam video dalam bentuk digital. Bagi menyimpan data atau maklumat yang dirakam, DVR hendaklah disertakan dengan hard disk dengan kapasiti yang besar sekurang-kurangnya 80Gb.
Pada masa kini terdapat pelbagai lagi jenis
sistem CCTV hasil daripada penyelidikan dan kemajuan berterusan. Antaranya
seperti kepelbagaian DVR yang boleh disambungkan ke talian internet, sistem
pemantauan berkomputer dan yang menjadi perhatian masa kini adalah IP Camera
Sistem IP (Internet Protokol) Camera menghantar
isyarat video dan audio melalui jaringan tanpa wayar dengan memakai protokol
TCP/IP.Menarik sistem ini, ianya boleh dipantau di mana sahaja melalui
internet. Ia juga tidak memerlukan DVR. Artikel berkenaan IP Camera akan
diterangkan secara terperinci pada catatan akan datang.
3) Monitor
Monitor digunakan untuk memaparkan imej yang dirakam oleh kamera secara langsung. Paparan imej pada monitor bergantung kepada bilangan port yang digunakan pada DVR. Monitor komputer adalah yang paling popular digunakan kerana harganya yang murah dan mudah dipasang.
Contoh penyambungan dalam sistem pemasangan CCTV adalah seperti gambarajah di bawah.
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