Atec Acterna-DSAM-6000 User Manual
Page 11
11
DSAM-6000 DIGITAL SERVICE ANALYSIS METER
Specifications
Product Specifications
Frequency
Term
4 to 1000 MHz
Accuracy
±10 ppm at 77°F (25°C)
Tuning resolution
Analog 10 KHz, Digital 50 KHz
Channel bandwidth
Models ending in A, 8 MHz
Models ending in B, 6 MHz
Level Measurement, Analog
Signal types
CW, video and audio (NTSC, PAL, and SECAM)
Range
1
–40 to +60 dBmV
Resolution 0.1
dB
Resolution bandwidth
280 KHz
Accuracy
2
±1.5 dB typical @ 25°C
Carrier-to-Noise
Input @
≥6 dBmV
30 to 45 dB ±2 dB
45 to 48 dB ±3 dB
Level Measurement, Digital
Modulation types
QPR, QPSK, QAM (DVB/ACTS)
Range
1
–40 to +60 dBmV
Resolution 0.1
dB
Accuracy
2
±2.0 dB typical @ 25°C
Two-Way Ranging Test
DOCSIS based
DOCSIS 1.0, 1.1 and 2.0
Upstream transmit range and diplexer crossover
(DOCSIS modes only)
Models ending in A, 5 to 65 MHz 65/96MHz
(min. downstream DOCSIS center freq. 100 MHz)
Models ending in B, 5 to 42 MHz 42/88 MHz
(min. downstream DOCSIS center freq. 91 MHz)
Upstream modulation
QPSK and 16 QAM as
instructed by CMTS
DOCSIS 2.0 US modulation
Transmitter output
At 25ºC, maximum 55 dBmV
with 16 and 64 QAM and 58 dBmV
with QPSK, (typical)
Downstream QAM Demodulation
Modulation type
64, 128 and and 256 QAM, ITU-T
J.83 Annex A, B or C (selectable)
Input range (lock range)
3
–15 to +50 dBmV
from 55 to 1000 MHz
BER
4
Pre- and Post-FEC 10
-4
to 10
-9
MER
5
Range 64 QAM: 21 to 35 dB
Accuracy ±2 dB (typical)
Range 128/256 QAM: 28 to 35 dB
Accuracy ±2 dB (typical)
DQI Channel types:
QAM modulation, symbol rate,
interleaver depth
EVM
5
Range 64 QAM: 1.2% to 5.8%
Accuracy ±0.5% (1.2% to 2.0%)
±1.0% (2.1% to 4.0%)
±1.4% (4.1% to 5.8%)
Range 128/256 QAM: 1.1% to 2.4%
Accuracy ±0.6%
Symbol rate Annex A,
5.057 to 6.952 Msps (64 / 128 / 256 QAM)
Annex B,
5.057 Msps (64 QAM) and 5.361 Msps (256 QAM)
Annex C,
5.274 Msps (64 QAM) and 5.361 Msps (256 QAM)
Note: 128QAM Not defined for Annex B ITU-T J.83
Test Point Compensation (User editable)
Forward path TPC
Max 100 dB Total
Forward external loss (dB): 0 to 50
Forward probe loss (dB): 0 to 50
Reverse path TPC
Max 55 dB Total
Reverse internal loss (dB): 0 to 55
Reverse external loss (dB): 0 to 55
Reverse probe loss (dB): 0 to 55
Reverse telemetry level (dBmV)
0 to 55
Reverse sweep insertion level (dBmV)
0 to 55
Interfaces
RF
75 ohm, F81 or BNC option
Max. sustained voltage 100 VAC, 140 VDC
RS232
Via optional direct cable
Printer compatibility
Epson and Citizen
Ethernet
RJ45, 10 base T,TCP/IP and UDP supported
USB
v1.1 host mode, 150 mA
maximum slave (future firmware release)
Standards Compliance
Shock and vibration
IEC 60068
Drop EC
61010
Handle stress
IEC 61010
Water resistance
MIL-STD-810E
Safety – emissions
EN 55022
Safety – immunity
EN 61000
Upstream Spectrum (Ingress Scan)
Frequency range
Models ending in A, 4 to 65 MHz
Models ending in B, 4 to 45 MHz
Sweep rate
Less than 2 seconds; Display scaling
5 and 10 dB/division; 6 vertical divisions
Resolution bandwidth
280 kHz
Range
1
–40 to 60 dBmV (typical)
Downstream Spectrum (Forward Scan)
Frequency range
4 to 1000 MHz
Sweep rate
Less than 2.5 seconds; Display
5 and 10 dB/division; 6 vertical divisions
Resolution bandwidth
30 or 330 kHz
Dwell
1 ms to 25 ms
Span
50MHz or 10MHz zoom
Range
1
4 to 100MHz, (typical)
Sweep Specifications
Forward Sweep
Requires SDA-5500 (SDA Compatible mode)
Reverse Sweep
Requires SDA-5500 (Single Reverse) or
SDA-5510 (Multiple Reverse) (SDA Compatible mode)
Sweep Modes
Frequency range
5 to 1000 MHz
Display span
user definable
Display scale/range
6 vertical divisions
1, 2, 5, or 10 dB/division
Sweep pulse occupied bandwidth
30 kHz
Stability ±0.5
dB, normalized
(dependent on stability of referenced carriers)
Sweep rate
~1 second (78 channels, including
scrambled and digital signal types)
Channel plan templates (user editable on SDA Headend gear)
China-1; China-2; France; HDTP-NL; Ireland;
Japan; Jerold; Jerold-HRC; Jerold-IRC; NCTA;
NCTA-HRC; NCTA-SUB; NCTA-IRC;
NTSC-broadcast; OIRT-D/K; PL-B/G; PAL-UK
Constellation
Modulation type
128 and 256 QAM
Zoom capability
Yes
Return QAM Generator
Frequency range
Models ending in B: 5 to 55 MHz
Models ending in A: 5 to 65 MHz
Signal level range
8 to 58 dBmV
Signal modulation
CW or 16 QAM
Symbol rates (Msps)
1.28, 2.56, 3.84, 5.12
Cable Modem Diagnostic Page
IP address
6
192.168.100.1