Техническая Спецификация для Cisco Cisco DOCSIS EuroDOCSIS Transponder for GainStar Nodes and Amplifiers
Data Sheet
© 2012 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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Product Specifications
See the tables below for product specifications.
Table 1.
Transponder Transmitter Section (Upstream)
Transponder Transmitter Section
Item
Specification
Carrier Frequency
5-65 MHz
Modulation Type
A-TDMA, S-TDMA covering
QPSK, 8-QAM, 16-QAM, 32-QAM, 64-QAM, 128QAM
Symbol Rate
TDMA: 160, 320, 640, 1280, 2560, 5120 kSym/s
SCDMA: 1280, 2560, 5120 kSym/s
Upstream Output Level
Euro-DOCSIS
DOCSIS
TDMA：
68-118 dBuV(QPSK)
68-114 dBuV(32QAM,64QAM)
68-115 dBuV(8QAM,16QAM)
SCDMA：
8-53 dBuV
TDMA：
8-58 dBmV(QPSK)
8-64 dBmV(32QAM,64QAM)
8-65 dBmV(8QAM,16QAM)
SCDMA：
8-53 dBmV
Table 2.
Transponder Receiver Section (Downstream)
Transponder Receiver Section
Item
Specification
Carrier Frequency
86 - 1002 MHz
Downstream Input Level
Euro DOCSIS
DOCSIS
+43 - +73 dBuV (64QAM)
+47 - +77 dBuV (256QAM)
-15 - +15 dBmV
Table 3.
Monitoring Protocols
Monitoring Protocols Complied
Item
Specification
SCTE’s HMS Monitoring Protocol
SNMP V1, V2 and V3
DOCSIS Monitoring Protocol
DOCSIS V1.0, V1.1, and V2.0