Features
◇4 adjacent channel QAM carrier
◇4 ASI inputs, TS packet format input automatic detection (188 or 204 bytes)
◇RF output power 90~100dBuV ( with 0~10dB adjustable attenuation range) and 48~863MHz frequency range
◇16~256QAM modulation modes
◇Provide RF output monitoring port (-20dB)
◇Adjustable Symbol Rate: 5 to 7Mbaud
◇PSI/SI tables synchronization update
◇Excellent RF output performance, MER≥40dB
◇Memory protection for power-fail
◇Local keyboard control and LCD display, or access via Ethernet link
Description
WDQ-3244 4 in 1 QAM is a new compact (1RU only) chassis and cost-effective QAM modulator, which is designed by Ningbo Youxin according to the DVB related standards. This device is integrated up to 4 channel QAM modulating carrier outputs, in which each carrier has independent signal channel encoding and direct RF output. Hence, one PCS 4 in 1 QAM modulator can work as 4 standalone QAM modulators, significantly reducing the network operators’ head-end cost. WDQ-3244 has 4 ASI input, RF output and RF testing output. The WDQ-3244 has very convenient and friendly management interface, the user can complete all operation via local keyboard and LCD display on device, or access through the Ethernet port on device.
Applications
◇ DVB-C QAM modulation