SLM 1456CM Signal Level Analyzer with DOCSIS
All Channel/Frequency Tuning: From 5-1000 MHz allowing you to test return path signals, as well as your highest channels with ease.
Overview
The SLM 1456 CM provides everything you've been looking for in a signal level meter - Analog and Digital Measurements, including Pre/Post BER, MER, Spectral Display, DOCSIS 2.0 Network Testing, plus Leakage and Ingress Testing capabilities - all at an affordable price.
Features
The SLM 1456CM Signal Level Meter:
ü All Channel/Frequency Tuning: From 5-1000 MHz allowing you to test return path signals, as well as your highest channels with ease.%
ü Full auto attenuation with measurement capabilities from -40 to +60 dBmV.
ü Digital measurement capabilities including: Average power, Pre/Post BER, MER, and Constellation for QAM A/B/C, 16, 32, 64, and 256. Plus, one of the only meters available to provide measurements for 8 VSB ATSC signals.
ü Analog measurement capabilities including: Signal level, A/V ratio, C/N and HUM.
ü Signal leakage capabilities to insure every installation is clean and meets your systems specifications.
ü Ingress testing allows you to test both the forward and return path from the ground block or line extender to ground block for unwanted noise..
ü Full featured spectral display that allows you to view all channels, single channel, or a bar graph display for a quick view of all your channels.
ü Data logging that allows you to save and print all data for future reference or record of completed installations.
Specifications
| Automatic or Manual Spectral Analysis | |
| Frequency Range: | 5-1000 Mhz |
| Dynamic Range: | >60 dB |
| Resolution Bandwidth: | 100 KHz |
| Reference Level: | TV from 10 dBuV to 125 dBuV |
| Marker Frequency: | 5-1000 Mhz |
| Marker Analog or Digital | Automatic |
| Bar Scan: | From 19 to 120 channels (selectable) |
| Storage of Bar Scan: | Up to 20 Pictures |
| Analog Measurements | |
| Frequency Band: | TV and Radio 5-1000 Mhz |
| Frequency Resolution: | 62.5 Khz |
| Input Impedance: | 75 ohms |
| 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: | 1dB typ. (2 dB max.) |
| A/V Ratio: | 1.5 dB typ. (dB max.) |
| C/N Ratio: | 2 dB typ. (4 dB max.) |
| Measure Filter Bandwidth: | 100 Khz @ -3dB |
| Channel Plan Memory: | 600 Memory Positions |
| Digital Measurements | |
| Digital Measurement for 8 VSB, QAM 16-32-64-256 (Annex A,B,C) | |
| Frequency Band: | 5-1000 Mhz |
| Power Measurement Dynamic Range: | From -35 to 56 dBmV |
| BER Measurement: | bBER up to 1 x 10-8 |
| (after Reed Solomon) | aBER up to 2 x 10-9 |
| MER Measurement: | 17 dB to 36 dB |
| Constellation Display: | 64-128-256 (on graphics display) |
| DOCSIS Measurements | |
| DOCSIS 2.0 Compliant Device | |
| Frequency Band: | 5-1000 Mhz |
| Input Impedance: | 75 ohms |
| 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 |
| MAC Address: | Default or User Defined |
| Measurements for Downstream, Upstream, and IP Status | |
| General Specifications | |
| Voltmeter Function: | AC (Square wave) DC, 0-100V |
| Channel Plan Master Copy: | Optional via PC) |
| Power Supply: | Built-in NI-CD rechargeable battery |
| External Power Supply 17 VAC or 20 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" |
| Download Port: | RS232 standard serial port |
| Display: | 128 x 128 pixels, 2.5" square |
