GT 26 Tangram module IP to 4x ISDB-T

Category : Tangram

The GT26 module is part of the Tangram product portfolio. The GT26 module allows you to add up to 4 channels in ISDB-T format per module to your network. Tangram is a very high density and highly flexible solution for all kinds of networks. The WISI Tangram chassis uses a fully redundant concept (n+1, 1+1).

  • High quality IP to ISDB-T modulation
  • Up to 4 ISDB-T channels on 2 RF outputs
  • For measurement / monitoring test ports of the output signal
  • Outstanding signal parameters by direct digital modulation
  • RTP/ IP input streaming with FEC error correction
  • DVB/ARIB transport stream processing
  • Output detection for alarming and redundancy switching
  • Up to 24 ISDB-T channels in 1 RU

 

Streaming-Input

IP-Compliance ISO/IEC 13818
IP-Inputs 32 pcs. MPTS or SPTS
IP-FEC Inputs Yes, with GTFEC License
IP-Input bitrate Max. 100 Mbps per IPTS, Max. 850 Mbps total
IP-Input protocol UDP/RTP/RTP+FEC Unicast and Multicast, IGMP v2 and v3
IP-TS-Input format VBR and CBR
IP-Packet format MPEG over UDP/IP and RTP/IP
IP-Packet size 188 Byte
IP-PCR restamping Yes

Processing

Multiplexing Yes, with GTMUX or GTSYMUX Software option
PID filtering and remapping Yes

ISDB-T-Output

Program scheduling Yes
Output modulation standard ARIB STD-B31, Layer A
Output spectrum (mode) Mode1 (2k), Mode2 (2k), Mode3 (8k)
Total carriers 1405, 2809, 5617
Output modulation type ISDB-T
Output hierarchy Layer A
Number of segments 13
Output S/N >45 dB
Output MER >41 dB typ. 43 dB
Output BER <1*10-10
Output FEC 1/2, 2/3, 3/4, 5/6, 7/8
Output guard intervall 1/4, 1/8, 1/16, 1/32
Output spectrum flatness ±0,3 dB
Output shoulder attentuation >54 dB

RF parameters

Output ports 2 pcs. without Test ports
Channels per port 2 pcs.
Output impedance 75 Ω
Output frequency range 45...862 MHz
Output frequency steps 1 kHz
Output frequency stability ±10 kHz
Channel bandwidth 6 MHz
Output level 115 dBµV
Test port at each output - 20 dB ±1 dB
Output level stability ±1 dB
Output return loss >14 dB (45 MHz -1,5 dB/Okt.)
Output level setting range 0...30 dB (0,5 dB steps)
Output level detection for alarm monitoring and redundancy switching
Spurious (inside TV-Channels) >60 dB
Spurious (outside TV-Channels) dB 45...450 MHz typ. 66 dB min. 62 dB, 450...862 MHz typ. 64 dB min. 60 dB,

Connectors

F-socket RF- output 4 pcs. (2x F-connector, 2x F-connector Test port)
RJ45 1 pcs. (100BaseTX, for local management)

General data

Power consumption max. <20,4 W
Operating temperature range -5°C...+45 °C (ETSI EN 300 019-1-3 Class 3.1)
Electro Magnetic Compatibility (EMC) EN 50083-2
Max. humidty (non condensing) 95 %
Signalling Multicolor LEDs (Power on - green, Error - red)