VB262 DUAL QAM/8VSB INPUT MODULE

VB262 DUAL QAM/8VSB INPUT MODULE
BRIDGETECH products adhere
to The Global Standard of Digital
Television
BRIDGETECH products adhere
to Advances Television Systems
Committee
Return Data Path enables sourcing
of the remote signal back to the
NOC or HeadEnd for detailed
analysis. Reduces OPEX through
fewer truck rolls and on-site visits.
The VB262 DUAL QAM/VSB input option offers monitoring
of QAM signals as found in QAM cable networks and DTT
signals found in 8/16VSB networks. The chassis can be
equipped with a single VB120 or VB220 IP-PROBE master
card that has one or two VB262 RF input cards under its
control.
The complete configuration with the fully licensed VB120 provides real-time
monitoring and alarming for four QAM or VSB RF inputs, 10 IP MPTS/SPTS
multicasts and one ASI TS input. ETSI TR 101 290 analysis is performed in
parallel for QAM inputs, the ASI input and the IP input. If the VB220 is used
as master card the IP monitoring capacity is increased to impressive 260
MPTS/SPTS multicasts in addition to the RF inputs.
The combined unit is ideal for hybrid networks where IP is used as a carrier
from head-end to the regional edge multiplexer/ modulator/ transmitter.
The built-in round-robin functionality allows sequential analysis of multiple
QAM or VSB multiplexes, making it possible to monitor the total broadcast
contents of a cable transmission system using a single VB262.
The VB262 DUAL QAM/VSB input option card is an ideal solution for
complete monitoring in DVB-C or hybrid DVB-C/IP networks. One VB262
module is capable of demodulating two multiplexes (one per input) for
ETSI TR101290 fault detection and alarm generation in the full frequency band
(44–855 MHz).
By running in sweep mode the VB262 module is further capable of measuring
analogue signal levels, in effect offering the operator a basic frequency analyser
function at the deployment location.
FEATURES INCLUDE:
• Dual input digital cable receiver
• Fully independent inputs
• Fully compliant with ETS 300 249
• ITU.T J.83 (Annex A/B/C)
• QAM modes: 16,32,64,128,256
• Constellation Diagram
• Wide symbol rate range of 0.87 to 7.0 Mbaud
• Selectable IF filter (6/8 MHz)
• Excellent neighbour channel isolation
• Dual 75 ohm F-connector input
• SNR
• Pre-FEC BER
• Post-FEC BER
• MER
• Input signal level
• Frequency offset
• Symbol rate offset
• Spectrum inversion
• AGC Lock/Carrier lock indication
• Inputs support round-robin operation
• Fully controlled via backplane by VB120
or VB220
• Built-in general purpose alarm relay (GPI)
SPECIFICATIONS:
• Frequency range: 44 - 858 MHz
• Symbol rate : 0.87 - 7.0 Msym/s
• RF power level : -60 dBm to -10 dBm (+/- 1.5 dB)
• SNR (*) : < 37 dB (+/- 2 dB)
• MER : < 37 dB (+/- 2 dB)
• BER pre-FEC (*) >1.0 E-8
• BER post-FEC (*) > 1.0 E-9
• Input sensitivity : -60
(*) 6.9MS, BER 2x10e-4,QAM256
VSB FEATURES INCLUDE:
• Dual input digital terrestrial receiver
• Fully independent inputs
• FCC VSB ready for DTT
• VSB modes: 8VSB, 16VSB
VB262 Technical Specifications
QAM MODULATOR
REGIONAL
MUX
NETWORK
ADAPTER
ASI
ASI
MUX 1
IP
IP t r a n s p o r t network
NETWORK
ADAPTER
ASI
IP
QAM
ASI
IP
QAM
MUX 2
Regional
studio A
DVB-C STB
Regional
studio B
NETWORK
ADAPTER
ASI
QAM
OPTIONAL 3rd MUX
RF INPUT:
ENVIRONMENT SPECIFICATIONS:
• F-connector, female
• Operating temperature:
• Storage temperature:
• Operating humidity:
ALARM RELAY:
0ºC to 50ºC
-20ºC to 70ºC
5% to 95% non-condensing
• 9-pin D-SUB, male
• 3-pin relay
CONTROL AND MANAGEMENT:
MECHANICAL:
• Controlled fully through backplane
• Accessible through master VB1200 or VB220 module
• Standard 19" 1RU rack-mount
POWER SUPPLY REQUIREMENTS:
• W x H x D: 483x43x400 mm
• Weight: 4.2 kg fully populated
• Draws power from backplane
• Maximum 5W dissipated per module
BRIDGE TECHNOLOGIES Co AS continuously improves on products and reserves the right to modify
the specifications without prior notice.
The BRIDGETECH name, the BRIDGETECH logo and all other related logos are registered trademarks
belonging to BRIDGE TECHNOLOGIES Co AS.
BRIDGE TECHNOLOGIES Co AS
Address:
Mølleparken 4
N-0459 Oslo
Norway
Phone main:
Telefax:
E-mail:
Internet:
+47 22 38 51 00
+47 22 38 51 01
info@bridgetech.tv
www.bridgetech.tv
ALL RIGHTS RESERVED 2004-2009 © BRIDGE Technologies Co AS v3.0
COMPLIANCE:
CE-marked in accordance to low voltage directive (LVC) 73/23/EEC and EMC directive 89/336/EEC.
Compliant to requirements for US and Canada. Designed for CSA approval.