Installation
4.7.3.2.1 Connection
Table 51: Connection of BRI-S terminal interfaces
Communication server Cable
cores
Connection socket
Socket Pin BRI-S
signal
BRI-S
signal
Pin Socket
1 – – 1
2 – – 2
3 c c 3
4 f f 4
5 e e 5
6 d d 6
7 – – 7
8 – – 8
4.7.3.2.2 S bus configuration
The S bus is a four-wire, serial ISDN bus based on the DSS1 protocol (ETSI standard). It starts in each
case at an BRI-S interface of the communication server. Four bus configurations are possible, depending
on the line length and the number of terminals:
Release 7.1
135 System Manual for Mitel SMB Controller