Devolo MicroLlink - Page 61

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Appendix
61
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devolo MicroLink ISDN i
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EN
Red LED (S
0
status)
The red LED indicates the status of your ISDN line and the connection to the
exchange.
Red LED (S
0
line)
The red LED indicates the connection state of the MicroLink ISDN i:
V.24 display
The V.24 display shows the state of the V.24 connection to the computer:
State of LED Description
Off
Blinking quickly
On
S
0
bus not activated, normal state
S
0
bus activated, no TEI assigned
S
0
bus activated, TEI assigned
State of LED Description
Off
Blinking slowly
(once per sec., total 2 to 3x)
Blinking quickly
(3x per sec.)
Constantly lit
No call, no connection
Incoming call, terminal device is not responsible or terminal
unit establishes connection itself
Valid call pending, not (yet) answered
Connection being/is established
LED Description
TxD (D1)
RxD (D2)
DTR (S1)
RTS (S2)
CTS (M2)
DCD (M5)
Data or commands from the local PC
Data or messages from the MicroLink ISDN i
Computer operational
Switch on transmit
MicroLink ISDN i clear to send
Connection established
LED lights up red for insecure or fax connections
LED lights up green for secure connections