ISDN BRI 0/1 .. 0/3 (TE/Usr or NT/Net)
61
SmartNode 4650 ADSL2+ Getting Started Guide
D • Port pin-outs
ISDN BRI 0/1 .. 0/3 (TE/Usr or NT/Net)
The BRI
Line
port uses an 8-pin RJ-45 connector (the pinout is shown in
table 14
).
Note
All pins between the
port BRI 0/0
and
port BRI 0/1
ports are connected during
power failure.
Note
On each ISDN BRI port in TE mode, it is possible to switch on ISDN line
power per software. The total amount of power is 4W. If a ISDN BRI port is
switched to NT mode, the ISDN line power is turned off.
Table 15. RJ-45 socket
Pin
Signal
3
Rx+
4
Tx+
5
Tx-
6
Rx-