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ISDN BRI 0/0 Line (TE/Usr) port 54
SmartNode 4552 & 4562 Getting Started Guide D • Port pin-outs
ISDN BRI 0/0 Line (TE/Usr) port
The BRI Line port uses an 8-pin RJ-45 connector (the pinout is shown in table 9).
Note All pins between the Phone and Line ports are connected during power failure.
Table 10. RJ-45 socket
Pin Signal
3 Rx+
4 Tx+
5 Tx-
6 Rx-
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