Difference between revisions of "S0 bus"
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# power sink 2 - | # power sink 2 - | ||
# power sink 2 + | # power sink 2 + | ||
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| + | Source: http://ckp.made-it.com/isdn.html | ||
| + | [[Category:Information]][[Category:Telephony]] | ||
Latest revision as of 11:30, 31 August 2015
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 +
Source: http://ckp.made-it.com/isdn.html
