Pin Assignments - ELSA MicroLink ISDN PCI User Manual

56 Appendix

Pin assignments

Pin assignments
ISDN – RJ45
Status Display
Two LEDs for the monitoring of the ISDN line and connection status, ISDNmonitor . Signi-
ficance of LEDs: see following table.
The green LED shows
the status of the ISDN
line and the connec-
tion to the exchange
(TEI assignment).
The yellow LED shows
the connection status
of the ISDN board.
ELSA MicroLink ISDN PCI
RJ45 pin
1
2
3
4
5
6
7
8
LED Zustand
Off
Flashing quickly
(3x per sec.)
Constantly lit
This LED remains lit continuously on most ISDN Basic Rate Interfaces.
The green LED may only light up when a connection is established
when using certain PBX systems (e.g. Siemens HICOM).
Off
Flashing slowly
(1x per sec., 2x or 3x in
total)
Flashing quickly
(3x per sec.)
Constantly lit
line IAE
– –
– –
T+ 2a
R+ 1a
R- 1b
T- 2b
– –
– –
Bedeutung
S bus not active No connection to the
0
(no TEI assigned)
S bus active No connection to the
0
(no TEI assigned)
S bus active Connection to the
0
No call, no connection
Incoming call, terminal device is not
responsible or establishes connection itself
Valid call pending, not (yet) answered
Connection is/being established
exchange
exchange
exchange
(TEI assigned)