Appendix A Specifications
DSAM Product Family Series-1500, -2500, -2600, -3500, -3600, -6000 Specifications
DSAM Help User Guide Rev. 001 301
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 Head-
end 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
Return Loopback
Frequency Range 5-55MHz US, 5-65 MHz EURO
Transmit Level 8-58 dBmV
a. Total integrated power, detectable range.
b. Accuracy for analog levels between -20 to +55 dBmV.
Accuracy for digital levels between -20 to +50 dBmV.
Additional uncertainty of ± 1.0 dB from 4 MHz to 15 MHz.
Additional uncertainty of ± 0.5 dB across -20°C to +50°C.
c. 128 QAM not defined for Annex B ITU-T J83.
d. Total integrated power, At 64 QAM.
e. DSAM1500, 2500 and 3500 can support up to (I,J) = (128,1)
interleave for ITU-T J.83 Annex B DSAM 2600 and 3600 can
support up to (I,J) = (128, 4) interleave for ITU-T J.83 Annex B.
f. Accuracy and behavior from 100 MHz to 1000 MHz for levels
between –5 to +50 dBmV (typical).
g. IP address is specified in the DOCSIS® 1.1 and 2.0 operations support system
interface (OSSI) specifications.
Table 47 Product Specifications (Continued)
Item Description
21128026 R001 DSAM Help User Guide.book Page 301 Thursday, February 5, 2009 2:02 PM
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