Allied Telesis AT-x230-18GP - Manual (Page 37)

AT-x230-10GP and AT-x230-18GP Switches Installation Guide
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SFP LEDs The AT-x230-10GP and AT-x230-18GP switches have SFP Link/Activity
LEDs on the front panel. See Figure 11.
The SFP Link/Activity LEDs indicate the activity status for each SFP slot.
Each SFP slot has ONE uni-color LED:

The LEFT LED corresponds to the UPPER SFP port

The RIGHT LED corresponds to the LOWER SFP port
Note
All of the port LEDs are OFF when the switch is operating in the low
power mode. To toggle on the LEDs, use the ecofriendly button. See
“ecofriendly button” on page 30 for more information.
F IGURE 11. SFP L INK /A CTIVITY LED S ON AN X 230 S ERIES S WITCH
MAX CURRENT
SFP
9
10
Upper (left) SFP LED Lower (right) SFP LED
SFP slots