DVB-S/S2 & DVB-T/T2/C - DVB-C transmodulators

 Converting of 2 DVB-S/S2 & DVB-T/T2/C modulated input signals into 2 QAM modulated DVB-C channels.

		tdq420C DVB-S/S2 - DVB-C transmodulator with two CAMs ttq420C DVB-T/T2/C - DVB-C transmodulator with two CAMs
		tdq420 DVB-S/S2 - DVB-C transmodulator ttq420 DVB-T/T2/C - DVB-C transmodulator

 DVB-S/S2 & DVB-T/T2/C - DVB-C transmodulators

 Converting of 2 DVB-S/S2 & DVB-T/T2/C modulated input signals into 2 QAM modulated DVB-C channels.

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		tdq420C DVB-S/S2 - DVB-C transmodulator with two CAMs ttq420C DVB-T/T2/C - DVB-C transmodulator with two CAMs
		tdq420 DVB-S/S2 - DVB-C transmodulator ttq420 DVB-T/T2/C - DVB-C transmodulator

Summary

• common interface
• TS processing:

service multiplexing - any input to any output

PCR restamping

PSI/SI regeneration

NIT generation

PMT version monitoring

• Web control and SNMP monitoring
• loop through RF distributing at input and output
• DIN rail or wall mounting
• robust die-cast housing
• connectors:

RF input/output - type F
Ethernet control interface - RJ-45
2xCI ports - PCMCIA (tdq420C, ttq420C)
screw terminal block for DC entry
power distribution bus

Technical specifications

T Y P E			tdq420C* / tdq420		ttq420C / ttq420
Ordering number			03853 / 03853F		03854 / 03854F
Number of channels			2
RF input	frequency range	pr.	950-2150 MHz		47-862 MHz
	LNB powering/control	pr.	0/13/18 V & 22 kHz, 500 mA max.		12 V 100 mA
			DiSEqC 1.0, EN50607, EN50494
	level/impedance		45-85 dBμV / 75 Ω		40-80 dBμV / 75 Ω
	loop through gain		-1 ± 1 dB		0 ± 1 dB
	standard	pr.	DVB-S	DVB-S2**	DVB-T	DVB-T2	DVB-C
	modulation		QPSK	QPSK, 8PSK, APSK 8/16/32	QPSK, QAM16, QAM64	QPSK, QAM16, QAM64,QAM256	QAM16, QAM32, QAM64, QAM128, QAM256
	bandwidth	pr.	-	-	7 MHz/8 MHz	7 MHz/8 MHz	-
	symbol rate	pr.	2 ÷ 45 Ms/s	2 ÷ 45 Ms/s	-	-	1 ÷ 7.2 Ms/s
	code rate		1/2, 2/3, 3/4, 5/6, 7/8	QPSK 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10.                    8PSK 3/5, 2/3, 3/4, 5/6, 8/9, 9/10	1/2, 2/3, 3/4, 5/6, 7/8	1/2, 3/5, 2/3, 3/4, 4/5, 5/6	-
	roll off		35 %	20 %, 25 %, 35 %	-	-	15 %
RF output	frequency range	pr.	100 - 858 MHz, by step 100 kHz
	channel allocation		adjacent
	level/impedence		90 ± 2 dBμV/75 Ω
	return loss		≥ 14 dB at 47 MHz; -1.5 dB/oct., but not less 10 dB
	spurious level		< -60 dB
	MER		≥ 40 dB
	modulation DVB-C		QAM16, QAM32, QAM64, QAM128, QAM256
	channel bandwidth / symbol rate	pr.	4...8.3 MHz / 3.5 ÷ 7.2 MS/s
	roll off		15 %
	signal processing		EN 300 429, ITU-T J.83 A (Annex A)
	total output level adjustment	pr.	0 ÷ -15.0 dB by 1 dB step
	loop through frequency range/loss		47-2150 MHz/ ≤ 2.5 dB
Transport stream parameters	max. bit rate		output 53 Mbps
	max. PID filter count		unlimited
Management port			standard IEE802.3 10/100 Base T
Current consumption***			12 V 550 mA		12 V 650 mA
Operating temperature range			0o ÷ +50o C
Dimensions/Weight (packed)			48.5x198x112 mm/0.9 kg

pr - softvare control

* T2-MI deencapsulation is supported only in M.1 version; M.1 version is supplied by special request

** supports physical layer scrambling (PLS) and multiple input streams (MIS)

*** without external DC feeding and CAM, with two CAM’s »0.85 A (for tdq420C), »0.95 A (for ttq420C)

Documents

 

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