Stacking Slots Leds; Figure 5: Sfp+ Slot Leds; Table 2: Sfp+ Slot Leds - Allied Telesis AT-IE510-28GSX Installation Manual

The LEDs are described in Table 2.
Stacking Slots
SFP+ slots 27 and 28 may be used as stacking slots to build a VCStack of
up to four switches. For background information, refer to Chapter 2,
LEDs
"Virtual Chassis Stacking" on page 35. Table 3 on page 28 defines the
LED states when the VCStack feature is enabled on the switch.
LED State
Link/Activity Off
Solid green
Flashing
green
SFP+ Slot LEDs
Figure 5. SFP+ Slot LEDs
Table 2. SFP+ Slot LEDs
The slot is empty, the SFP or SFP+
transceiver has not established a link to a
network device, or the LEDs are turned
off. To turn on the LEDs, use the eco-
friendly button.
The SFP or SFP+ transceiver has
established a link at 1000 Mbps or 10
Gbps to a network device.
The SFP+ transceiver is receiving or
transmitting packets to a network device
at 10 Gbps. (The LED does not flash for
activity at 1000 Mbps.).
AT-IE510-28GSX Installation Guide
Description
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