Grass Valley K2 ASI Media Client Installation - Manual (Page 23)

August 14, 2008 K2 ASI Media Client Installation and Service Manual 23
Connecting System I/O ports
Network Connections
The K2 ASI Media Client operates as a K2 Appliance component into a K2 Shared
Storage. It therefore requires:
• One connection to the K2 Storage System control network: Gig-E port 1 named
Control Connection #1
• One connection to the media (iSCSI) network: Gig-E port 2 named Media
Connection #1
ASI Connection
One ASI input/output card is located at the back of your system. It provides:
• Two input connectors (only one can be used at a time)
• Two output connectors (not used)
Its specifications are detailed in the table below.
The incoming MPEG-2 transport stream should be therefore connected to ASI in 1 or
2.
Item Description
Frequency offset: accuracy ± 1.0 ppm.
Frequency offset: drift, typical ± 0.5 ppm per year
Connector BNC, female
Transport stream rate per input 84 Mbps maximum; 1 Mbps minimum
Data format Supports both burst and packet mode of ASI
format
Packet length 188, 204 bytes
Signal amplitude 880 mV p-p maximum; 200 mV p-p minimum
Termination 75 Ohms
Return loss - 17 dB, 27 to 270 MHz