DRA-2 UNIVERSAL COMMUNICATION NODE
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USER GUIDE - Rev.5 (January 2018)
FIGURE 13
LEDs associated with the basic Ethernet interfaces
Link/Act. LED
Two-coloured. There is one LED per
interface. It stays on when the link is
established correctly and flashes in the case
of emission or reception activity in the
interface. It lights up in green at 100 Mbit/s
and in amber at 10 Mbit/s.
Duplex/Col. LED
Amber.
There
is
one
LED
per
10/100Base-Tx interface. It stays on when
the transmission is Full-duplex and goes off
when the transmission is Half-duplex. It
flashes in the case of collision.
SFP Presence LED
Amber. There is one LED per SFP Gigabit
Ethernet interface. It stays on when an SFP
transceiver is in the physical receptacle.
