S5-95U, SINEC L2 System Description
SINEC L2FO Active Star Couplers AS 501 A and 501 B
Due to the physical properties of fiber optic cables, you must configure the SINEC L2FO as a star
network. The central point of this star is the SINEC L2FO active star coupler AS 501 A or AS 501 B.
Use an active star coupler for the following tasks:
• To regenerate the optic level
• To add branches to your SINEC L2FO network (star points)
Design of the SINEC L2FO active star coupler:
• 16 plug-in modules maximum
• OPM module (O
ptical Plastic fiber one-port Module)
• OSM (O
ptical Silica fiber one-port Module)
The active star coupler is available in two versions:
• AS 501 A with single power supply 120 V/240 V AC
• AS 501 B with redundant power supply 120 V/240 V AC
Figure 1-20. SINEC L2FO Active Star Coupler AS 501
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Siemens
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SINECL2FO
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RX
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RX
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RX
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RX
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OPM
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OSM
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OSM
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OPM
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EWA 4NEB 812 6112-02
1-27
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