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招聘职位:

TV equipment management

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release date: 2019-06-04 source; author;
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Product description

多路解调适配器

The Gauss Bell Conditional Access System (CAS) supports stand-alone version and distributed deployment. When the system is deployed in a distributed manner, a central front-end can manage and connect multiple sub-front-ends; when the stand-alone version is deployed, only the central front-end is available.


Gospel CAS is a software system with high security and high stability, which can encrypt and control program scrambling control words and user authorization information. The system is fully compatible with the DVB simulcrypt standard, and has passed the network access test of millions of users by the State Administration of Radio, Film and Television, and obtained the A-level network access certification. At the same time, the system has passed the Indian BECIL certification. The Gauss Bell CAS system is stable and reliable, and the system can be easily and smoothly upgraded to support tens of millions of users.


Gospell® VisionCrypt®

Gospell CAS distributed deployment


System Features

多路解调适配器

• Adopt advanced AES encryption algorithm, with high security


• Support stand-alone version, distributed deployment


• Support the two-level encryption and card issuance system of CAS manufacturers and operators to fully guarantee the information security of operators


• Equipped with efficient and flexible authorization distribution strategy, which can quickly and effectively authorize and shut down


• The smart card adopts a foreign special smart card chip, and independently develops the COS system independently, which effectively ensures the security of the smart card


 • Perfect redundancy and backup mechanism to ensure the safe, reliable and stable operation of the system


  • Complete log management and system monitoring mechanism


• Support 1000 product packages, system products can be combined arbitrarily


• The system supports smooth upgrades for millions to tens of millions of users


• Through the whitelist management, effectively prevent the illegal exchange of goods between the operators of smart cards


• The database password is dynamically changed to effectively ensure the security of the database


• Successfully docked with many well-known SMS vendors


• Support multiple addressing modes such as area, smart card, user level, user grouping, etc.:


• Abundant report statistics function can be provided


• Support OTA upgrade description management and upgrade stream sending


Gospell® VisionCrypt®

                                                              Gospell CAS module diagram


The main function

多路解调适配器

• Authorization/anti-authorization management

• Pre-authorization

• Authorization automatically expires

• Key control

• High security terminal activation

• Carrier card issuance management

• Card opening/stopping

• Operator lock (to prevent illegal roaming of cards between operators)

• Partition control (to prevent illegal roaming of IC cards and set-top boxes in different areas)

• SOL cleanup control (prevent roaming of set-top boxes between operators)

• Network bonding control

• Mother and daughter card control

• Standard simulcrypt

• Forced channel change


• Re-search for programs

• Parental lock password reset

• Specify the default boot program

• Mandatory fingerprint display

• PIN code protection

• E-wallet recharge

• Force terminal restart

• SMS access uses encrypted communication

• Mandatory OSD

• Conditional broadcast

• Conditional broadcast

• Dynamic AC

• TV mail (Email)

• Support OTA upgrade

• Support dual machine hot backup




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