Tangram

The Tangram Video Platform is a high density video processing product for professional headend applications.

Using up to six different modules the Tangram can be used both as a high density edge unit (36PAL/48FM/48QAM/24COFDM) as well as a multi-transponder streamer for IP/S/S2/T/T2/C for any kind of streaming application.

The chassis can be equipped with two load sharing redundant power supplies and contains high performance monitored fans for cooling. Modules, fans and power supplies are hot-swappable.

Chassis and extensions


Front view	Rear view

GT01 - Chassis w. GigE switch	GT12 - SFP extension board	GT13-Direct GigE connection

19" 1U chassis with backplane Up to six processing modules Power supply (-48VDC/230VAC) Fan tray 16 port GigE switch + 1 control/management port	4 * SFP connectors	6 * Direct GigE conntections

GT50 - Redundant Power Supply
Available in 230VAC or 48VDC version

Output

GT21 - PAL	GT22 - FM	GT23-QAM

Digital PAL output module 6 PAL channels per processor module Full PAL/NTSC-M/SECAM support Analogue Stereo and NICAM GigE IP streaming port 10/100MBit management port Two RF-ports	Digital FM output module 8 FM channels per processor module Full MPEG-1/2 audio decoding RDS insertion GigE IP streaming interface 10/100MBit management port Two RF-ports	Digital DVB-C output module 8 QAM channels per processor module GigE IP streaming interface 10/100MBit management port Remultiplexing DVB-CSA scrambler Two RF-ports

GT24 - COFDM

Digital DVB-T output module 4 COFDM channels per processor module GigE IP streaming input 10/100MBit management port Remultiplexing DVB-SCA Scrambler Two RF-ports

Tuner and Decryption

GT31 - Universal Frontend	GT42 - Decryption

Multi Transportstream reception for DVB signals 6 x 4 DVB-S/-S2/-T/-C/-ASI inputs Gigabit Ethernet output for MPTS and SPTS signals Teletext and EPG data handling Separate management port 1 + 1, n + 1 redundancy option	4 * CI module for service descrambling Multi Channel Decryption (MCD) of the 4 CI's

Application examples

DVB-IP Gateway

GT31 - Streamer

Multi Transport Stream reception for DVB signals 6 x 4 DVB-S/-S2/-T/-T2/-C/-ASI inputs GigE output MPTS/SPTS Teletext and EPG data handling Separate management port Supports GT42 (4 x CI) for service descrambling 1 + 1, n + 1 redundancy option