AMT/PTD/PBX/0058/4/6/EN Installation and Maintenance Manual - Aastra 5000
Page 214 01/2011 Description des sous-ensembles
Connecting an S0 interface
The S0 bus is a shielded two-pair cable. Depending on the bus length and topology,
between one and eight female RJ45 connectors can be connected to it, for one ISDN/S0
(BRI) terminal.
Long bus (point to point)
Figure 4.37
WIRING AN S0 BUS