Star Microwave SM Cirius LM, User Manual

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Cirius LM User Manual 2016 Page 77
Sensitivity
Threshold for BER
of 10
-8
(RS-encoded with
T=12
errorcorrecting)
Modulation Net Date (bps) Eb/No (dB)
QPSK 1.81 8.8 dB
8PSK 2.72 12.2 dB
16QAM 3.62 12.3 dB
32 QAM 4.53 14.4 dB
64 QAM 5.44 16.9 dB
128 QAM 6.34 19.4 dB
256 QAM 7.24 21.9 dB
DATA
INTERFACES
AND FORMATS
Configuration Customer selectable
•
Ethernet only
•
TDM only
•
Mix of TDM + Ethernet. Limited to 4x100base-T
Ethernet plus 4xE1/T1 or 16xE1/T1
Ethernet Interface
and Format 4 ports available for data transport or management
•
10/100baseT full duplex
•
RJ-45 connector
•
IEEE 802.3 compliant
•
Internal layer-2 switch
•
1536 bytes maximum frame size
•
Configurable VLAN-based security, port-based QoS
priority and port-based rate limiting
•
MDI/MDI-X cross-connect with auto-detect
TDM Line
Interfaces and
Formats Customer selectable up to 4xE1/T1 or 16xE1/T1
•
E1/T1 full duplex
•
RJ-48, 100 ohm T1 / 120 ohm E1 balanced (75 ohm
unbalanced as an option)
•
ITU-T compliant
Native Ethernet
and TDM
Transport Native TDM data transported alongside native Ethernet data.
IF / ODU Interface Single N-type connector (option for two connectors for 1+1
protection) supporting the following:
•
Transmit: 350 MHz, -1 dBm ±2 dB
•
Receive: 140 MHz, -7 to -25 dBm
•
Command: 5.5 MHz OOK modulation
•
Telemetry: 10 MHz OOK modulation
•
Power: -48V nominal, up to 2A
Wayside / Service Overhead serial channel, transported as in-band