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Handheld QAM/8VSB/DOCSIS 3 Signal Meter
The SLM 1477 provides everything installers and operators are looking for in a signal level meter. Capable of analog and digital measurements, including Pre/Post BER, MER, spectral display, DOCSIS 3.0 network testing, leakage and ingress testing capabilities all at an affordable price. The SLM 1477 provides a pass/fail test which can be logged and directly transferred to an ftp server.
- Alpha/Numeric keypad for direct channel or frequency entry
- Use the SLM 1477 for complete modem installation. Test both forward and return from premise to CMTS
- Digital measurement capabilities including: Average power, Pre/Post BER, MER and Constellation for QAM, also provides 8VSB/ATSC testing capabilities.
- DOCSIS 3.0 Testing - verify channel bonding
- Threshold test-user definable thresholds for pass/fail logging
- Optical Power Meter (optional)
- All Channel/Frequency Tuning: From 4-1000 MHz (UHF/ VHF/CABLE) allowing return path signal testing as well as testing high frequency channels with ease
- Analog measurement capabilities including signal level, A/V ratio and C/N
- Signal leakage and Ingress testing capabilities ensures every installation is clean and meets system requirements
- Full featured spectral display allows signal analysis
- Bar scan and tilt functions allows quick analysis of multiple channels
- Data log file transfer over Coax to ftp server
- 12-volt AC/DC charging and Auto-off for battery saving operation
- Data log file transfer: upload to ftp over Coax or download to USB
- SMART software provided free to interface and configure meter
- CATV installation and troubleshooting
- Off-air 8VSB reception broadcast footprint quality
- Private cable systems in schools, corporate campuses, correctional institutions and medical centers or anywhere RF is used
- Custom home theater installation and calibration
AUTOMATED OR MANUAL SPECTRUM ANALYSIS
Frequency Range: TV and Radio 4-1000 Mhz
Frequency Resolution: 62.5 Khz
RF Input Impedance: 75Ω
DOCSIS Input Impedance: 75Ω
Dynamic Range:
15 dBuV to 125 dBuV
or -45 to +65 dBmV
or -98 to +16 dBm
Measurement Resolution: 0.1 dB
Level Measurement Acc: 1 dB typ. (2 dB max.)
A/V Ratio: 1.5 dB typ. (2 dB max.)
C/N Ratio: 30 to 45dB +/-1.5dB Max; 45-50dB +/-2dB
Measure Filter Bandwidth: 100 Khz @ -3 dB
Custom Channel Plans: 25
DIGITAL MEASUREMENTS
8VSB, QAM 16-32-64-128-256 (Annex A & B)
Frequency Band: 4-1000 Mhz
Power Measurement Dynamic Range: -45 to 65 dBmV
BER Measurement: bBER up to 1 x 10-8 / aBER up to 2 x 10-9
MER Measurement: 10 dB to 40dB
Constellation Display: 16-32-64-128-256 QAM
OPTICAL MEASUREMENTS (OPTIONAL)
Wavelengths (nm) 850,1310,1550
DOCSIS MEASUREMENTS
DOCSIS 3.0 Compliant Device Frequency Band: 5-1000 Mhz
Input Impedance: 75Ω
Range: -45 to +65 dBmV
Measurements Include: Level, MER, Pre/Post BER, Lost Packet, Transmit Power, Transmitted Packets,
Received Packets, PER, Latency Min/ Max Avg, Channel Bonding Upstream Level and IP Status
MAC Address: Default or user defined
UPSTREAM TESTING
Frequency range: 5-65MHz
Channel bonding: up to 4 upstream channels bonding supported
Ingress Scan Spectrum Frequency: 5 -65 MHz
Level: 25 dBuV to 125 dBuV
Accuracy: +/- 2dB
BW: 100KHz @ -3dB
GENERAL SPECIFICATIONS
Power Supply: Built in NiMh rechargeable battery, external power supply 12 VDC 1A
Battery Duration at 25°C: 4-6 Hours in analog / 3-4 Hours in digital
Size: H 11.8” x W 4.33” x D 2.36”
PC Interface: USB
Display: 64 x 128 pixels, 2.5”
Front-Panel: Alpha numeric keypad