FIELD: information technology.
SUBSTANCE: this invention relates to network communication technologies. Device includes an interface unit and a service processing apparatus, wherein: interface unit is configured to: receive data in an Ethernet format transmitted by the service processing apparatus, perform protocol processing on the received data in the Ethernet format, convert the data after protocol processing into a transmission signal corresponding to a sending interface and then transmit the transmission signal to an external device; as well as receive message data sent by the external device, convert the message data for protocol processing corresponding to the service processing apparatus, convert a signal after the protocol processing into data in the Ethernet format and transmit the data to the service processing apparatus; and the service processing apparatus is configured to: perform service processing on the data transmitted by the interface unit and transmit the processed data to the interface unit; wherein, the service processing apparatus comprises a core area, a backplane area, a power supply area, and a fan area.
EFFECT: technical result is more secure data transmission in a network.
13 cl, 6 dwg
