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Head-end station equipment

High-end digital DVB-S QPSK CI receiver PBI DCH-3000P

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Manufacturer:
PBI DCH-3000P – high-end digital CI receiver (2 ASI TS inputs/outputs, optional QAM or COFDM input) – supports Common Interface. User can install up to 2 PCMCIA CI modules – to receive various coding in DVB-S/-C/-T or DVB-ASI networks (including Conax, CryptoWorks, Irdeto, NDS, Mediaguard, SECA, Nagravision, Viaccess). It supports two signal inputs – one with QPSK/QAM/COFDM (signal received from DVB-S/-C/-T) and another on ASI (signal may come from another head-end digital CATV equipment – e.g., from similar decoder).

 

Encoded input signal (from satellite or ASI input) can be decoded to open TS stream and re-multiplexed back to the same stream (with output via ASI-interface). At presence of one ASI input and two ASI outputs, non-decoded programs can be decoded – using the similar decoder connected as a "loop". All programs in coded carrier/transponder can be decoded with use of several PBI DCH-3000P (serially connected as a circuit).

 

In addition, PBI DCH-3000P can ensure the output of analog video and stereo audio signals via BNC jacks mounted on the rear panel.

 

RS-232 interface enables the remote monitoring and software update. The device supports input TS-stream in two modes – burst mode and byte mode.

 

PBI DCH-3000P is best suited for high-end systems – as signal source of head-end station, DVB-S signal decoding, and monitoring.

 

The device is made in 19" form-factor and occupies 1U height of the rack; it also has the front-end control interface with display and keyboard. This is the best choice of high-end CI decoder (with ASI input and outputs for head-end equipment of analog and digital CATV systems). Input DVB-T signal is received from the air; incoming DVB-C signal is received via the network or from head-end CATV equipment.

 

Parameters:

  • Fully compatible with DVB-S and MPEG-2 standards.
  • Common Interface with 2 PCMCIA slots, which can support the following encoding systems: Conax, CryptoWorks, Irdeto, Mediaguard, Nagravision, SECA, NDS, and Viaccess.
  • Option of switching between two PCMCIA slots – to choose the output of analog video/audio signal.
  • Two signal inputs – QPSK (receiving the DVB-S signal from satellite) and ASI (can be received from another head-end digital CATV equipment – e.g., from another DC-503).
  • One ASI input and two ASI outputs, which enables the redirection of non-decoded programs to subsequent PBI DCH-3000P (for decoding).
  • BNC jacks of video and audio signals are available on the rear panel.
  • On/Off of transparent decryption mode at ASI output.
  • LED indication, functional buttons at the front panel, user-friendly interface.
  • Automatic network (or transponder) search function and update of information from the stream.
  • Storing up to 2000 channels in memory.
  • Setup of PID video and audio.
  • Automatic backup of channels after removal.
  • Support of OSD Teletext (DVB ETS 300 706) and video capture function.
  • 256-color screen; support of English, French, German, Spanish, Italian, Chinese, and Arabic languages.
  • EPG function, PIG (Picture in Graphics) support.
  • Automatic conversion from PAL to NTSC and vice versa.
  • Software update via RS-232 interface (from PC to decoder or from decoder to another decoder).

 

Specification:

QPSK demodulation & FEC parameters (compliance with DVB-S, MPEG2, ETSI 300421 standards)

Frequency range

C & Ku, Band 950~2150MHz

Input level

-25dBm~-65dBm

Input impedance

75 Ohm, F-type

Stream rate

2~45Mb/s (SCPC or MCPC)

Roll-off factor

0.20 or 0.35

Punctured rates

1/2, 2/3, 3/4, 5/6, 6/7, 7/8

Reed-Solomon decoding

204, 188, T=8 & I=12

 

DVB-C QAM demodulation

 

Connector

IEC “female” (7/8 MHz) or F-“female” (6 MHz)

Demodulation

16/32/64/128/256 QAM

Tuner band

6, 7 or 8 MHz (set at the factory)

FEC decoder

RS (204,188)

Frequency range

50~860 MHz

Digital input signal level

-15~15 dBmV

Input impedance

75 Ohm, F-type

 

DVB-T COFDM demodulation

 

Connector

IEC “female” (7/8 MHz) or F-“female” (6 MHz)

External loop by 1st IF

Yes

Frequency range

470-862 MHz, 174-230 MHz

Input impedance

75 Ohm, unbalanced

Digital input signal level

-20 to -75 dBmV

Demodulation

COFDM

Constellation

QPSK, 16-QAM, 64-QAM

Tuner band

8 MHz

FFT mode

2K/8K

Guard space

1/4, 1/8, 1/16, 1/32, off

FEC Code Rate

1/2, 2/3, 3/4, 5/6 and 7/8

 

Central Control Microprocessor

 

Model

STi5518

Clock speed

81 MHz

SDRAM memory

8 Mb

FLASH memory

2 Mb

 

Front Panel

LED indication

Displays the number of currently received channel

CI PCMCIA slot

2 X JEIDA 4.0 PCMCIA type II, full support of Irdeto, Viaccess, NDS, etc.

 

Common Interface system

8 control keys

UP, DOWN, LEFT, RIGHT, ENTER, MENU, EXIT, REMOTE

3-segment display with backlight

1 power indicator, 1 satellite signal locking (LOCK), and 1 remote control (REMOTE). LOCK: switched on when satellite signal is locked. REMOTE: RCU is available when it is on.

 

Rear Panel

LNB input and output

Signal input from satellite, transit output of satellite signal

Power supply

AC 90~260V, 50~60Hz, 25W

RS-232

9-pin D-sub “female” for software update and remote monitoring (max. rate 625 Kbit/s)

 

Audio XRL output

RCA x 2 (left and right channel) interface

 

Output impedance

600 Ohm

Output level

0.6V RMS/2 dB per 10 kOhm

 

BNC Video Output

BNC x 1 Interface

Output impedance

75 Ohm

Video signal band

8 MHz

Tolerance of sync. amplitude (300 mV)

± 5%

Tolerance of strobe. amplitude (300 mV)

± 2 dB

 

AV (RCA)

Audio RCA x 1 (left and right) jack, MPEG-1 layer I and II, compression format Musiacam

AFR range

± 2 dB

Dynamic range

>80 dB

Output Impedance

680 Ohm

Harmonic distortion factor

<0.2%

S/N ratio

>80 dB

Difference between left and right level

± 1 dB

 

Video CVBS RCA*2 jack, MPEG-2 decompression

Frequency range

± 5%

Video format

4:3, 16:9; 720X576@PAL; 720X480@NTSC>

Video buffer

64 Mb/s SDRAM

Video stream rate

15 Mb/s (Max peak rate: 228 Mb/s)

Output video signal level

1 V per peak ± 0.1 V

Video S/N

>54 dB

 

DVB-ASI Serial Data Output

Interface

75Щ, BNC*1, "female"

Data transfer rate

270 Mb/s

Data mode

Byte

Package length

188 or 204

Operating temperature

0~40°C

Storage temperature

-20~70°C

Humidity

<85%

Power supply unit

AC 90~260V, 50~60Hz, 25V

Dimensions

483 x 440 x 44 mm

Weight

2.6 kg