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S
FDDI DAS M
®
Q
Connections and LEDs
2 x Sets of Port Status LEDs Show data flow, connection to
1
the ring and power status.
2 x DAS Ports Connect a device using multimode fiber–optic
2
cable.
1 x Optical Bypass Switch Connects an Optical Bypass
3
Switch using a 6–pin Mini–DIN connector.
S
UPER
TACK
R
UICK
EFERENCE
II E
NTERPRISE
(3C81665)
ODULE
G
UIDE
Checking Status Using the LEDs
.
Off indicates data flowing normally through that port.
WRAP
Green indicates that the port has become isolated.
Green when the probe has negotiated a connection to
LINK
the ring.
Green indicates optical power detected in the fiber
SIGNAL
connected to that port.
M
ONITOR
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Summary of Contents for 3Com SuperStack II 3C81665
- Page 1 II E UPER TACK NTERPRISE ONITOR FDDI DAS M (3C81665) ODULE ® UICK EFERENCE UIDE Connections and LEDs Checking Status Using the LEDs 2 x Sets of Port Status LEDs Show data flow, connection to Off indicates data flowing normally through that port. the ring and power status.
- Page 2 Network Connection Inserting or Removing the Module Cables and Connectors CAUTION: Modules are made of extremely sensitive electronic components that may be damaged by static electricity. Handle SC–to–SC or SC–to–MIC cable, multimode 62.5/125µm or modules only by the front panel and by their non–conducting 50/125µm, with multimode duplex SC–type connector.
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