X20 system modules • System modules for the X20 hub system • X20HB1881
X20 system User's Manual 3.10
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4.29.2.4 LED status indicators
Figure
LED
Color
Status
Description
ERR
Red
On
Slot not detected
RDY
Orange
On
Slow detected, module is active
On
A link to the remote station has been established.
L/A
Green
Blinking
A link to the remote station has been established. Indicates Ethernet activity is
taking place on the bus.
4.29.2.5 Operating and connection elements
LED status indicators
Ethernet interface
4.29.2.6 Ethernet interface
Figure
Description
Duplex LC
Tx
Rx
100 BASE-FX, Duplex LC female
4.29.2.7 Wiring guidelines for X20 modules with fiber optic cable
The following wiring guidelines must be observed:
•
Cable fiber type: Multimode fiber with 62.5/125 μm or 50/125 μm core diameter
•
On both sides: Duplex LC male connector
•
Observe minimum cable flex radius (see data sheet for the cable)