Siemens RUGGEDCOM RSL910, Руководство по установке

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Chapter 4
Communication Ports
RUGGEDCOM RSL910
Installation Guide
26 SFP Transceivers
Distance Downstream/Upstream (Mbps) SNR (dB)
2438 m (8000 ft) 2.4/2.4 10
3048 m (10000 ft) 1.2/1.2 10
3353 m (11000 ft) 0.5/0.5 10
Data Rates vs. SNR Margin
The following typical data rates are achievable with the corresponding Signal-to-Noise ratio, at a fixed cable length
of 0.9m (3ft).
Distance Downstream/Upstream (Mbps) SNR (dB)
0.9 m (3 ft) 140/140 10
0.9 m (3 ft) 120/120 15.3
0.9 m (3 ft) 100/100 19.8
0.9 m (3 ft) 85/85 23.6
0.9 m (3 ft) 55/55 29.8
0.9 m (3 ft) 35/35 34.6
0.9 m (3 ft) 25/25 37.3
0.9 m (3 ft) 11/11 38.3
0.9 m (3 ft) 4.7/4.7 41.7
0.9 m (3 ft) 2.4/2.4 42.8
0.9 m (3 ft) 1.2/1.2 43.4
0.9 m (3 ft) 0.5/0.5 43.8
0.9 m (3 ft) 0.2/0.2 44
Section 4.3
SFP Transceivers
The RUGGEDCOM RSL910 supports up to two Small Form-Factor Pluggable (SFP) transceiver sockets, which are
compatible with a wide array of SFP transceivers available from Siemens.
LEDs
Each socket features an LED that indicates its link state.
State Description
Yellow (Solid) Link established
Yellow (Blinking) Activity
Off No link detected