| 摘要 |
A CCTV surveillance device for crime prevention with security improved by physically redundant networks has a redundant configuration and improved security for the failure of mainboards and networks, and is characterized in that an integrated control server controls a circuit breaker of a second mainboard to connect a network blocked by the circuit breaker if an authentication code and a video information request message are received via an MMS controller from a personal portable terminal, and transmits video data to the personal portable terminal through a wireless network. [Reference numerals] (AA) Local server;(BB) Wireless network;(CC) Personal portable mobile;(DD) IP filter;(EE) Cutter;(FF) First hard disk;(GG) First LAN card;(HH) Inner network LAN port;(II) First main board;(JJ) I/O port;(KK) MMS text controller;(LL) Second hard disk;(MM) Outer network LAN port;(NN) Second LAN port;(OO) O/I port;(PP) Second main board;(QQ) MMS wireless network |
