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4-channel Scrambler with DVB-C Modulator CRT1041M-C-IP

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Description

CRT1041M-C-IP is a compact size Edge QAM Modulator with embedded CAS Crypton Pay TV Scrambler. Up to four IP encapsulated MPTS streams can be received on the device MPE input. Selective DVB-CAS scrambling of DTV programs along with address subscriber message system (CAS Crypton) let you provide efficient Pay TV business model.

Each of the streams is DVB-C modulated and up-converted to the RF Band (48-850MHz). All device control is done with a Web interface. SNMP let your NMS perform real-time monitoring and logging the device basic parameters.

CRT1041M-C-IP devices can be easily combined into a cluster to form a scalable network, are easily integrated into the Crypton Headend and are compatible with a huge number of third-party devices that support DVB-over-IP encapsulation.

Brief description of the main blocks

  • DVB-over-IP MPE receives up to four IP encapsulated MPTS streams
  • MPE Channel Filter arranges reception channel for one MPTS stream from IP network. That MPTS is preliminary built with third party multiplexer
  • Scrambler CAS Crypton selectively scrambles DTV programs within the stream and provides conditional access in accordance with CAS Crypton specification
  • DVB-C Modulator converts input MPTS stream to DVB-C modulated signal (IP to DVB-C Modulator)
  • RF Up Converter shifts pair of adjacent (8MHz offset) DVB-C modulated carriers to RF Band (48-850МHz)
  • Control 100Mbit Ethernet port provides physical connection for device control over Web and CAS Crypton interconnect for SMS provision
  • SNMP 100Mbit Ethernet port is dedicated to SNMP agent providing NMS with real time information for monitoring and logging the device basic functionality

Specification

TS Input

Number of 1Gbit Ethernet IP ports
1
Max. Number of Transport Streams
4
Specification
ETSI TS 102034, ETSI TS 13818-1
Streaming protocols
UDP
Streaming type
Multicast, Unicast

Scramblers

Specification
TSI ETR 289
Max. Number of DVB-CAS Scramblers
4
Max. Number of SCG per scrambler
16
Max. Number of PIDs per scrambler
256
Conditional Access
CAS Crypton

DVB-C Modulator

Number of RF outputs
2
Number of QAM modulated channels
4 (Each RF output provides up to 2 adjacent QAM modulated channels)
Adjacent channel carrier shift
8 MHz
Specification
EN 300 429
SR, Msps
6.750, 6.875, 7.000
QAM modulation type
QAM16, QAM32, QAM64, QAM128, QAM256
MER, QAM256
40 dB

Up-converter

Frequency range
48 – 850MHz
Min. output power
110 dBuV
Output impedance
75 Ohm
Connector type
IEC F-type
Spurious and harmonics
-50 dBc
Output attenuator
0 – 31 dB, 1dB step

Device control

Device control
100 Mbps Ethernet IP ports
Specification
Http (Web interface)

Size

Width, mm
490
Depth, mm
300
Height, mm
44