Cisco Model D-PCG1000 PowerKEY CAS Gateway Ficha De Dados
Description
The Model D9476™ Quadrature Amplitude Modulation
(QAM) Modulator is an integral component of
Scientific Atlanta’s Digital Headend product line.
The modulator allows digital MPEG-2 packet data
to be securely transported through conventional
CATV RF Networks.
(QAM) Modulator is an integral component of
Scientific Atlanta’s Digital Headend product line.
The modulator allows digital MPEG-2 packet data
to be securely transported through conventional
CATV RF Networks.
Features
• Allows carriage of digital data on conventional CATV RF Networks
• Supports both ITU J.83 (Annex A and Annex B) and DAVIC QAM coding
• Provides up to 38.8 Mbps output data rate within 6 MHz of spectrum at 256 QAM
• Provides agile output on frequencies between 150 MHz and 750 MHz
• Employs interleaving and Reed-Solomon FEC for improved performance
• Contains 10Base-T Ethernet interface for remote provisioning, control, status
• Supports both ITU J.83 (Annex A and Annex B) and DAVIC QAM coding
• Provides up to 38.8 Mbps output data rate within 6 MHz of spectrum at 256 QAM
• Provides agile output on frequencies between 150 MHz and 750 MHz
• Employs interleaving and Reed-Solomon FEC for improved performance
• Contains 10Base-T Ethernet interface for remote provisioning, control, status
monitoring, and alarms
• Provides automated creation and insertion of ATSC SI data
• Contains integrated PowerKEY
• Contains integrated PowerKEY
®
Conditional Access
Specifications
RF Specifications
Frequency Range
(center frequency)
(center frequency)
150 MHz - 750 MHz
Frequency Offset
0 kHz ±250 kHz
Minimum Tuning Step Size
1 MHz
RF Output Power Level
+40 dBmV to +50 dBmV (in 0.1 dB steps) min. range
RF Output Impedance
75 ohm
Output Power level with Carrier
Squelched
Squelched
<-10 dBmV
RF Output Return Loss
(carrier on or squelched)
(carrier on or squelched)
>10 dB (output channel)
Inband Spurious Outputs
(50 MHz - 1.1 GHz)
(50 MHz - 1.1 GHz)
<60 dBc (CW), <57 dB (modulated)
Noise Floor (out-of-band)
<-136 dBc/Hz, >25 MHz from center frequency
Output Frequency Error
(over temperature)
(over temperature)
±15 kHz
RF Test Point Level
RF output power -20 dB (±2 dB)
Model D9476™—16/64/128/256 QAM Modulator
Subscriber Networks