Sfp+ Transceiver Slots On The At-X530-28Gtxm And At-X530-28Gpxm Switches; Sfp And Sfp+ Transceivers; Leds; Figure 6: Link And Activity Leds For The 1 Gbps/10 Gbps Sfp+ Slots - Allied Telesis AlliedWare Plus AT-x530-28GPXm Installation Manual

SFP+ Transceiver Slots on the AT-x530-28GTXm and AT-x530-
28GPXm Switches
SFP and SFP+
Transceivers

LEDs

The AT-x530-28GTXm and AT-x530-28GPXm switches have four slots
(ports 25 - 28) for 1G/10G SFP or SFP+ transceivers.
See "SFP+ Transceiver Slots" on page 20 for a description and guidelines
of the SFP+ transceivers.
SFP or SFP+ transceivers must be purchased separately. For a list of
supported transceivers, refer to the product data sheet on the Allied
Telesis web site.
Each transceiver slot has one LED. The LEDs are located between the
slots. Refer to Figure 6.
Top Transceiver Slot LED
Figure 6. Link and Activity LEDs for the 1 Gbps/10 Gbps SFP+ Slots
x530 Series Installation Guide for Stand-alone Switches
Bottom Transceiver Slot LED
25 SFP+ 27/S1
26 10G/1G 28/S2
4566
31