Chapter 3: System hardware specifications
Table 3-2: Ripple-2 node power specifications
Item Specification
Power Supplies One or two
Input Voltage Range 45 - 95 Vrms (QSW)
Line Frequency 47 - 70 Hz
Power Supply Rated
Maximum Output Power
180 W ( 2A@5Vdc & 5A@34Vdc or 7A@24Vdc)
Power Consumption 140 W (Typical with single 2DSx4US RPD)
Resilience to AC power
interruption
Up to 4 sec (with Buoy installed)
Table 3-3: Forward-Path Specifications
Item Specification
Operational Bandwidth Pluggable diplex filters, supporting 3 DS frequency ranges: 54-1218
MHz (low split), 102-1218 MHz (mid split), 246-1218 MHz (high split)
Flatness +/- 0.75 dB
Linear Tilt 21.0 dB (nominal) configurable
RF Test Points -30.0 +/- 1.0 dB
RF Impedance 75 Ω
RF Return Loss -15 dB
Port-to-Port Isolation 50 dB
Output Level @ 1218MHz 58 dBmV (nominal QAM actual) with forward spectrum loaded with
QAM and/or OFDM channels and 21 dB of tilt, configurable
DS MER 41 dB (typical)
Local RF Channel
Insertion
Up to 4X 6MHz channels, combined into a single input signal
Table 3-4: Return-Path Specification
Item Specification
Operational Bandwidth Pluggable diplex filters, supporting 3 US frequency ranges: 5-42
MHz (low split), 5-85 MHz (mid split), 5-204 MHz (high split)
Flatness +/- 0.75 dB
Linear Tilt 0.0 dB
RF Test Points -30.0 +/- 1.0 dB
RF Return Loss -15 dB
RF Attenuation Self-optimizing
28
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