User's Manual

Table Of Contents
605-0000-706 ProST Installation User Guide-Rev E
20
LEDs
The SDA-4S Type II and SDA-4S/VL Type II adapters (referred conveniently as SDA-4S)
provide LED indicators on their top panels, which are described in the table below:
LED Color Status Meaning
On Physical link (10BaseT
or 100BaseT) between
SDA-4S adapter and
ProST
Blinking Traffic currently
flowing between SDA-
4S and ProST
UPLINK Yellow (100BaseT) or
Orange (10BaseT)
Off No link between SDA-
4S and ProST
On Physical link (10BaseT
or 100BaseT) between
SDA-4S and
subscriber's Ethernet
network
Blinking Traffic currently
flowing between SDA-
4S and subscriber's
Ethernet network
1, 2, 3, 4 Yellow (100BaseT) or
Orange (10BaseT)
Off No link between SDA-
4S and subscriber's
Ethernet network
On Power received by
SDA-4S
POWER Green
Off No power received by
SDA-4S