Difference between revisions of "S0 bus"
(Created page with "S0 bus (S/T or just S-bus) allows up to 8 ISDN devices. if one device is connected (I.E.: NT-1, the theoretical cable run is 1km, but is limited to 150m for 8 devices RJ45 pinou...") |
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S0 bus (S/T or just S-bus) allows up to 8 ISDN devices. | S0 bus (S/T or just S-bus) allows up to 8 ISDN devices. | ||
− | if one device is connected (I.E.: NT-1, the theoretical cable run is 1km, but is limited to 150m for 8 devices | + | if one device is connected (I.E.: NT-1), the theoretical cable run is 1km, but is limited to 150m for 8 devices |
RJ45 pinout should be | RJ45 pinout should be |
Revision as of 23:11, 29 January 2012
S0 bus (S/T or just S-bus) allows up to 8 ISDN devices. if one device is connected (I.E.: NT-1), the theoretical cable run is 1km, but is limited to 150m for 8 devices
RJ45 pinout should be
- power source or sink 3 +
- power source or sink 3 -
- transmit positive
- transmit negative
- receive positive
- receive negative
- power sink 2 -
- power sink 2 +