Atec Acterna-DSAM-1500-2500-2600-3600 Quick-Start Guide User Manual
Page 3
DSAM-1500, -2500. -2600, -3500, 3600 Specifications
DSAM Product Family Quick-Start Guide
Rev. F
41
Two-way Ranging Test
DOCISIS® Based
DOCSIS® 1.0 and 1.1
Upstream Transmit Range and
Diplexer Crossover (DOCSIS®
modes only)
Models ending in A, 5 to 65 MHz 65/
96 MHz (min. downstream DOC-
SIS® center freq. 100 MHz)
Models ending in B, 5 to 42 MHz 42/
88 MHz (min. downstream DOC-
SIS® center freq. 91 MHz)
Upstream Modulation
QPSK and 16 QAM as instructed by
CMTS
Transmitter Output
At 25°C maximum 55 dBmV with 16
QAM and 58 dBmV with QPSK, (typ-
ical)
Downstream QAM Demodulation
Modulation Type
64 and 256 QAM, ITU-T J.83 Annex
A, B, or C (selectable)
Input Range (Lock Range)
3
-15 to +50 dBmV total integrated
power from 55 to 1000 MHz
BER (Bit Error Rate)
4
Pre and Post FEC: 10
-4
to 10
-9
MER (Modulation Error Ratio)
5
Range 64 QAM: 21 to 35 dB
Accuracy: ± 2 dB (typical)
Range 256 QAM: 28 to 35 dB
Accuracy: ± 2 dB (typical)
EVM (Error Vector Magnitude)
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 256 QAM: 1.1% to 2.4%
Accuracy: ± 0.6%
Table 3
Product Specifications (Continued)
Item
Description