1.3 Specification
Encoding Section
Video (HDMI)
Encoding
MPEG2; MPEG4 AVC/H.264
Interface
HDMI*4
Resolution
1920*1080_60P, 1920*1080_50P (For
MPEG 4 AVC/H.264 only),
1920*1080_60i, 1920*1080_50i,
1280*720_60p, 1280*720_50P
Low Delay
Normal, Mode 1, Mode 2
Aspect Ratio
4:3; 16:9
Audio (HDMI)
Encoding
MPEG1 Layer II; MPEG2-AAC; MPEG4-AAC;
DD AC3(2.0);
DD AC3 (2.0/5.1/7.1) passthrough
Interface
HDMI*4 /SPDIF*4
Sample rate
48KHz
Bit rate
64/96/128/ 192/256/320kbps
Video (YPbPr/CVBS)
Encoding
MPEG2; MPEG4 AVC/H.264
Interface
CVBS/YPbPr*4 (RCA)
Resolution
CVBS: 720*576_50i, 720*480_60i
YPbPr:1920*1080_60i, 1920*1080_50i;
1280*720_60p, 1280*720_50P
Audio (L/R)
Encoding
MPEG1 Layer II; MPEG2-AAC; MPEG4-AAC;
DD AC3(2.0);
DD AC3 (2.0/5.1/7.1) passthrough
Interface
4*Stereo/8*mono/4*SPDIF
Sample rate
48KHz
Bit rate
64/96/128/ 192/256/320kbps
DVB-C Modulator Section (Option)
Standard
J.83A (DVB-C), J.83B, J.83C
MER
≥43dB
RF frequency
30~960MHz, 1KHz step
RF output level
-30~ -10dbm (77~97 dbµV), 0.1db step
Symbol rate
5.000~9.000Msps adjustable
RF Out
4*DVB-C adjacent carriers combined output
J.83A
J.83B
J.83C
Constellation
16/32/64/128/
256 QAM
64/ 256 QAM
64/ 256 QAM
Bandwidth
8M
6M
6M
System
Local interface
LCD + control buttons
Remote management
Web NMS
Stream Out
2 ASI mirrored out (BNC type, 100M);
IP (4 SPTS&1MPTS) over UDP, RTP/RTSP
out (RJ45, 100M)
NMS interface
RJ45, 100M
Language
English
General
Power supply
AC 100V~240V
Dimensions
482*400*44mm
Weight
4.5 kg
Operation temperature
0~45
℃
1.4 Principle Chart
M
U
X
Carrier A
RF In
DVB-C
Modulating
DVB-C
Modulating
Carrier B
RF
Built-in
Comb
in
er
4 SPTS &1 MPTS
Output
DVB-C
Modulating
DVB-C
Modulating
Carrier C
Carrier D
ASI In
ASI Output
Independent ASI program packet output(for DVB-C)
MPEG-2/4 HD
Encoding 1
CVBS( Pr in)/HDMI/YPbPr
CVBS video in for CC only
MPEG-2/4 HD
Encoding 2
MPEG-2/4 HD
Encoding 3
MPEG-2/4 HD
Encoding 4
CVBS( Pr in)/HDMI/YPbPr
CVBS video in for CC only
CVBS( Pr in)/HDMI/YPbPr
CVBS video in for CC only
CVBS( Pr in)/HDMI/YPbPr
CVBS video in for CC only
Encoder-modulator
User Manual
B-QAM-HDMI-IP-4CH
www.questtel.com
sales@questtel.com