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Specifications
DVB-C IP modulator2. individual module design
3. high quality, low cost
4. 12 channel input
DX308A digital CATV DVB-C IP modulator
Outline
DX308A 8-in-1 IP Mux-QAM module is the latest generational QAM modulator with high integrated level and performance. The modular design of this device makes each of its daughter cards stand-alone when operating. Besides, each daughter card can receive the UDP format TS through GE port, furthermore, it supports up to 256 different input addresses (IP address and port No). This device is combined 8 multiplexers with 256 channels inputs and 8 QAM (DVB-C) modulators, which can output adjacent channel RF carrier(30M~860M)through the two RF output interface (4 carriers for each). Additionally, the 1U chassis for this modulator supports up to 3 modules (24 channels QAM) while the 4U chassis supports up to 12 modules (96 channels QAM). This DX308A 8in1 IP QAM modulator has excellent integrated level, powerful performance and low cost, which is special adequate for the new generation CATV system.
Features
l Dual power supply
l 1 GE input (RJ45interface) or SFP for each daughter module
l Supports up to 256 channels TS over UDP, MPTS or SPTS
l Supports unicast and multicast, supports IGMP v2v3
l Max 840Mbps for all input
l Supports MPEG2/MPEG-4 re-multiplexing and MPTS/SPTS multiplexing
l Supports accurate PCR adjusting
l Supports PID filtering, remapping and PSI/SI editing
l Supports up to 180 PIDS remapping per channel
l Support multiplexed TS over UDP output
l 8adjacent QAM carriers output, compliant to DVB-C(EN300 429) and ITU-T J.83A/B/C
l Supports symbol rate 5.0~9.0Msps, 1Ksps stepping
l Supports constellation: 16QAM/32QAM/64QAM/128QAM/256QAM
l Supports RS(204,188) encoding
l RF output frequency range: 30~860Mhz, 1Khz stepping
l RF output level: -16~0dbm(per QAM carrier), 0.5db stepping
l Excellent RF performance, MER≥40db
l Modular design,1U chassis support 3 modules , 4U chassis support 12 modules
l Support net management (NMS)
Specifications
Input |
Interface |
1GE input,RJ45 interface or SFP |
Transport protocol |
TS over UDP, uni-cast and multicast, IGMP v2/v3 |
|
Transmission code |
Max 108Mbps per channel Max 840Mbps amount channels |
|
Multiplexing |
Input channel |
256 |
Output channel |
8 |
|
Maximum PIDs |
180 per channels |
|
Functions |
PID re-mapping( auto/manual optional) |
|
PCR accurate adjusting | ||
Automatic generating PSI/SI table | ||
Modulator Parameters |
QAM channel |
8 |
Standard |
DVB-C(EN300 429), ITU-T J.83A/B/C |
|
Symbol rate |
5.0~9.0Msps,1ksps stepping |
|
Constellation |
16QAM,32QAM,64QAM,128QAM,256QAM |
|
FEC |
RS(204, 188) |
|
RF output |
Interface |
2 F type connectors |
RF range |
30~860MHz,1kHz stepping |
|
Output level |
-16dBm~0dBm(per QAM carrier),0.5dB stepping |
|
MER |
≥ 40dB |
|
ACLR |
-55dBc |
|
System |
Supporting NMS management |
|
General |
Demission(WxLxH) |
630mm×440mm×44.5mm |
Weight |
9 kg |
|
Temperature |
0~45°C(operation), -20~80°C(storage) |
|
Power supply |
AC 100V±10%,50/60Hz AC 220V±10%,50/60Hz |
|
Consumption |
15.4W |
|
Order information:
|
DX328 |
DX318 |
DX308A |
DX328A |
DX324T |
multiplexing |
l |
l |
l |
l |
l |
DVB scrambling |
l |
l |
|
|
|
QAM×8 modulation |
l |
|
l |
|
|
8VSB×8 modulation |
|
|
|
l |
|
DVB-T×4 modulation |
|
|
|
|
l |
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