User's Manual

Physical Description
19
Ports
The SDA-4SDC adapter provides ports on the front panel, which are described in the table
below:
Port Interface
4 x 8-pin RJ-
45
10/100BaseT with subscriber's network (supports Auto Negotiation and
MDI/MDI-X automatic crossover, allowing connection of straight-through or
crossover cables)
15-pin D-type
(female)
10/100BaseT with BSR
DC power
socket
DC power outlet (10-52 VDC, 24W)
LEDs
The SDA-4S all types adapter provides LED indicators on the top panel, which are described in
the table below:
LED Color Status Description
On Physical link (10BaseT or 100BaseT) between
SDA-4S adapter and BSR
Blinking Traffic currently flowing between SDA-4S and
BSR
UPLINK Yellow (100BaseT) or
Orange (10BaseT)
Off No link between SDA-4S and BSR
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
The figure below displays the LEDs which are located on the top panel of the SDA-4S adapter: