Installation manual

58
LED Location Status Descri
p
tion
ISDN link status
LED (ACT)
Rear panel
Steady green The ISDN link has been activated.
Flashing green
(8 Hz)
The ISDN link is being activated.
Off
The ISDN link is not activated or no ISDN link is
present.
ISDN B1
channel link
status LED (B1)
Rear panel
Flashing green
(8 Hz)
Data is being received or transmitted on the B1
channel.
Off
No data is being received or transmitted on the B1
channel.
ISDN B2
channel link
status LED (B2)
Rear panel
Flashing green
(8 Hz)
Data is being received or transmitted on the B2
channel.
Off
No data is being received or transmitted on the B2
channel.
Serial port link
status LED (LINK)
Rear panel
Off No link is present.
Steady green A link is present.
Serial port data
transmission
status LED (ACT)
Rear panel
Off No data is being received or transmitted.
Flashing yellow Data is being received or transmitted.