Embedded2015. 10. 27. 09:26

Network Switch Test


이번에 자체적으로 만든 네트워크 기반의 방송 시스템 테스트 화면입니다

네트워크 상에서 Audio와 비디오 모두 동기를 맞추어서 전송하는 것이 목적입니다.


네트워크 상에서 많은 수의 터미널을 붙여도 전체 터미널의 동기화에 문제가 없이 운영되는 것이 포인트입니다.





Switch : L2 Managed Switch with 2 Bypass ports


• DHCP client
• DHCP relay including option82
• Loop Protection
• LLDP Support
• QOS Support
• 802.1Q VLAN switch with 8K MACs and 4K VLANs
• Push/pop up to two VLAN tags
• IPv4/IPv6 multicast
• Policing with storm control
• RSTP support
• Hardware and software-based learning
• Link aggregation (IEEE 802.3ad)
• Independent and shared VLAN learning
• Jumbo frame support
• Dual bypass relay to mitigate powerless scenario
• 12-port
l 100M 8-ports with POE

l Gigabit 4-ports

• Bypass 

  - 2 Port

  - Fail-safe access and network operations



Real Time Encoding & Broadcast - Media Transmit Server Spec


Connection
External DVI Interface
Resolution : upto  1920x1080i
Main processor
i.MX6Q (Freescale i.MX 6Quad ARM A9 Core 1Ghz)
2D/3D Graphics engines
OS : Linux 3.0.35 kernel
1GByte DDR3 Memory
1GByte eMMC
Ethernet

      - 10/100/1000 port

      - Muticast/Broadcast UDP protocol transfer

Encoding video format

      - H.264 / H.263 / MPEG4 / MJPEG support

• Support Overlay function





Media Receiver Spec

Connection
LVDS  LCD Interface
Resolution : upto  1920x1080
Light sensor interface
Back-Light control interface
Main processor
i.MX6DL (Freescale i.MX 6DualLite ARM A9 Core 1Ghz)
2D/3D Graphics engines
OS : Linux 3.0.35 kernel
1GByte DDR3 Memory
1GByte eMMC
Dynamic BackLight control
Ethernet

      - 10/100/1000 port

      - Muticast/Broadcast UDP protocol transfer

Decoding video format

      - H.264 / H.263 / MPEG4 / MJPEG support


Posted by GUNDAM_IM