Within the network card as the card data centers and business support platform and
connected with external systems such as communication gateway between banks and colleges dedicated communications environment, these devices more complex as business processing, communications security requirements more high. Especially for network access requests bank security is very high. So set up a special card for delivery within the network card business processing platform and data exchange between the data center. Pass card system and data exchange between the banking system. Special network card with TCP / IP network protocol, the special network card used Switch Have used the port MAC address binding, so that each side can only be set 1:3 the only IP address to connect a particular device. Thereby ensuring the security of the entire network.