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Ethernet
47
SN-DTA User Manual
D • Port pin-outs
Ethernet
Note
Pins not listed are not used.
ISDN BRI NT (Net) port
The BRI phone port uses an 8-pin RJ-45 connector (the pinout is shown in
table 8
).
Note
Pins not listed are not used.
ISDN BRI TE (User) port
The BRI
TE
port uses an 8-pin RJ-45 connector (the pinout is shown in
table 8
).
Note
Pins not listed are not used.
Note
All pins between the
NT
and
TE
ports are connected during power failure.
Fallback relay operation:
•
When the unit is not powered, the fallback relay connects pins 3,
4, 5, and 6 of the net and the user ports (fallback) together. This
enables you to place calls to the PSTN even if the unit is powered
down.
Table 7. RJ-45 socket
Pin
Signal
1
TX+
2
TX-
3
RX+
6
RX-
Table 8. RJ-45 socket
Pin
Signal
3
Rx+
4
Tx+
5
Tx-
6
Rx-
Table 9. RJ-45 socket
Pin
Signal
3
Tx+
4
Rx+
5
Rx-
6
Tx-
Содержание SN-DTA
Страница 19: ...19 Chapter 2 SN DTA Applications overview Chapter contents Introduction 20 Typical application 20 ...
Страница 43: ...43 Appendix C Cabling Chapter contents Introduction 44 Ethernet 44 ISDN BRI 45 ...
Страница 46: ...46 Appendix D Port pin outs Chapter contents Ethernet 47 ISDN BRI NT Net port 47 ISDN BRI TE User port 47 ...
Страница 48: ...48 Appendix E SN DTA factory configuration Chapter contents Introduction 49 ...