Spectrum 3.1 Modem Suppliers – 1RU QAM Analyzer with Cloud, Power Level and MER for both DVB-C and DOCSIS, MKQ124 – MoreLink

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Spectrum 3.1 Modem Suppliers – 1RU QAM Analyzer with Cloud, Power Level and MER for both DVB-C and DOCSIS, MKQ124 – MoreLink Detail:

Product Detail

MKQ124 is a powerful and use-friendly QAM Analyzer intended to monitor and report the health of the Digital Cable and HFC network.

It’s able to continuously log all measurements values in report files and to send SNMP traps in real-time if selected parameters’ values over defined thresholds. For troubleshooting a WEB GUI allows remote / local access to all monitored parameters at the physical RF layer and DVB-C / DOCSIS layers.

MKQ124 is a powerful and use-friendly QAM Analyzer intended to monitor and report the health of the Digital Cable and HFC network.

It’s able to continuously log all measurements values in report files and to send SNMP traps in real-time if selected parameters’ values over defined thresholds. For troubleshooting a WEB GUI allows remote / local access to all monitored parameters at the physical RF layer and DVB-C / DOCSIS layers.

As the number of Digital Cable TV and DOCSIS subscribers keeps increasing worldwide and Quality of Service has become a significant element to reduce subscribers churn, MKQ124 is the ideal tool to achieve cost-effective 24/7 monitoring of the quality delivered to all points of a Digital Cable network. The cable operator can deploy it at the headend / hub, along the last mile, or at the subscriber premise.

MKQ124 is a sub-system as rackmount to continuously monitor frequency/amplitude/constellation/BER responses for all QAM channels. By using these monitoring parameters, operator can be proactive in correcting the cable quality issue and also to locate the area where degradation is impacting service.

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Benefits

➢ Remote and local monitoring of the health of your CATV network

➢ Real-time and Continuous QAM monitoring

➢ High Accuracy for wide range power and tilt: +/-1dB for Power, +/-1.5dB for MER

➢ Validation of HFC forward path and transmission RF quality

➢ Embedded Spectrum Analyzer from 5 MHz to 1 GHz

Characteristics

➢ DVB-C and DOCSIS full support

➢ ITU-J83 Annexes A, B, C support

➢ User defined alert parameter and threshold, support two channel profile: plan A / plan B

➢ 2x RF in, 4x RJ45 (2x WAN + 2x LAN) ports in 1 RU

➢ RF key parameters accurate measurements

➢ TCP / UCP / DHCP / HTTP / SNMP support

➢ Standalone unit

Monitor Parameters

➢ 64 QAM / 256 QAM / 4096 QAM (Option) / OFDM (Option)

➢ RF Power Level: -15 to + 50 dBmV

➢ MER: 20 to 50 dB

➢ Pre-BER and RS correctable count

➢ Post-BER and RS uncorrectable count

➢ Constellation

Applications

➢ Both DVB-C and DOCSIS Digital Cable network monitoring

➢ Multi-channel monitoring

➢ Real-time QAM Analysis

Interfaces

RF	Female F Connector
RJ45 (4x RJ45 Ethernet port)	10/100/1000	Mbps
AC Power Socket	3Pin

RF Characteristics
Frequency Range (Edge-to-Edge)	88 – 1002	MHz
Channel Bandwidth (Auto Detection)	6/8	MHz
Modulation	16/32/64/128/256 4096 (Option) / OFDM (Option)	QAM
RF Input Power Level Range (Sensitivity)	-15 to + 50	dBmV
Symbol Rate	5.056941 (QAM64) 5.360537 (QAM256) 6.952 (64-QAM and 256-QAM) 6.900, 6.875, 5.200	Msym/s
Input Impedance	75	OHM
Input Return Loss	> 6	dB
Minimum Noise Level	-55	dBmV
Channel Power Level Accuracy	+/-1	dB
MER	20 to +50 (+/-1.5)	dB
BER	Pre- RS BER and Post- RS BER

Spectrum Analyzer
Basic Spectrum Analyzer Settings	Preset / Hold / Run Frequency Span (Minimum: 6 MHz) RBW (Minimum: 3.7 KHz) Amplitude Offset Amplitude Unit (dBm, dBmV, dBuV)
Measurement	Marker Average Peak Hold Constellation Channel Power
Channel Demod	Pre-BER / Post-BER FEC Lock / QAM Mode / Annex Power Level / SNR / Symbol Rate
Number of Sample (Maximum) per Span	2048
Scan Speed @ Sample number = 2048	1 (TPY.)	Second
Obtain Data
Realtime Data By API	Telnet (CLI) / Web Socket / MIB

Software Features
Protocols	TCP / UCP / DHCP / HTTP / SNMP
Channel Table	> 80 RF Channels
Scan Time for the entire channel table	Within 5 minutes for a typical table with 80 RF channels.
Supported Channel type	DVB-C and DOCSIS
Monitored Parameters	RF Level, QAM Constellation, SNR, FEC, BER, Spectrum Analyzer
WEB UI	Easy to show the scan results in a web browser. Easy to change monitored channels in table. Spectrum for HFC plant. Constellation for specific frequency.
MIB	Private MIBs. Facilitate access to monitoring data for network management systems
Alarm Thresholds	Signal Level / BER / SNR can be set via WEB UI or MIB, and alarm messages can be send via SNMP TRAP or displayed on the webpage
LOG	Can store at least 3 days of monitoring logs and alarm logs with 15min scanning interval for 80 Channels configuration.
Customization	Open protocol and can be easily integrated with OSS
Firmware Upgrade	Support remote or local firmware upgrade

Physical
Dimensions	432mm (W) x 244mm (D) x 45mm (H) (Including F connector)
Format	1 RU (19”)
Weight	2250+/-10 g
Power Supply	100-240 VAC 50-60Hz
Power Consumption	< 24W
Environment
Operating Temperature	0 to 45 ^oC
Operating Humidity	10 to 90 % (Non Condensing)
Storage Temperature	-40 to 85 ^oC