Coaxmedia SD220, User Manual

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SD220 / SD221 Access Appliance
User’s Guide 7
3 About the Access Appliance
3.1 Front Panel
The LED indicators on the front of the Access Appliance indicate its
current operation status. These seven indicators are described below.
LED Description Operation
P Power
On when power is being provided by the power
adapter
S Sync
Off when the Access Appliance is not receiving a
service signal from the central access equipment
Blinks when the Access Appliance has not been
activated by the central access equipment
On steadily when the Access Appliance has been
recognized by the central access equipment
T
Transmit
Data
On when data is ready to be transmitted. (May
blink fast when sending streams of data.)
R Receive Data
On when the Access Appliance is waiting for the
PC to read data. (May blink fast when receiving
streams of data.)
D Disable
On when the Access Appliance is disabled –
preventing access to the Internet
On when maintenance or diagnostics is being
performed by the central access equipment
F Fault
Blinks randomly if a fault is detected by the
Access Appliance
1 Line 1 Telephone line 1 is off hook.
2 Line 2 Telephone line 2 is off hook.