DRA-2 UNIVERSAL COMMUNICATION NODE
16/158
USER GUIDE - Rev.5 (January 2018)
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Transmitter
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Modulation:
TDMA: QPSK, 8QAM, 16QAM, 32QAM, 64QAM
S-CDMA: QPSK, 8QAM, 16QAM, 32QAM, 64QAM,128QAM
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Maximum speed:
320, 640, 1280, 2560, 5120 kbit/s (QPSK)
640, 1280, 2560, 5120, 10240 kbit/s (16QAM)
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Frequency range: 5 ÷ 65
MHz (EuroDOCSIS)
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Bandwidth:
TDMA: 200, 400, 800, 1600, 3200 and 6400 kHz
S-CDMA: 1600, 3200 and 6400 kHz
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Signal level:
TDMA: +8 ÷ +54 dBmv (32QAM, 64QAM)
+8 ÷ +55 dBmv (8QAM, 16QAM)
+8 ÷ +58 dBmv (QPSK)
S-CDMA: +8 ÷ +53 dBmv (all modulations)
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Output level of CM can be automatically controlled by CMTS through power ranging
(1dB steps)
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Output return loss: >6 dB EuroDOCSIS (5 ÷ 65 MHz)
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CPEs
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Maximum number of CPEs: 32 (32 MAC addresses)
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Filtering:
LLC: 16
IP: 32
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Frequency searching
Frequency
c
ache: 4 entries
Channel plan: 8 MHz, 1 MHz, 0.25 MHz (EuroDOCSIS)
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SIDS
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Number of SIDs: 16
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Management
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MIBs: MIB II, MCNS MIB
1.4.8
Mechanical characteristics
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Dimensions
Height: 140 mm; Width: 220 mm; Depth: 94 mm.
For more mechanical and electrical details about the connectors see chapter 2,
Mechanical and electrical characteristics.
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Weight 1 Kg.
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DIN rail installation (EN 50022, BS 5584, DIN 46277-3)
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IP protection level: IP 2xB
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Material: Grey (RAL 7024) Lexan 920 fire-resistant (UL 94 V0) plastic