Mitel 470 - BRI-S Terminal Interfaces

Installation
136
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016
4. 7. 3. 2 BRI-S terminal interfaces
Fitting the corresponding interface cards means that BRI-S terminal interfaces are
available on the RJ45-sockets on the front panel of the cards. The possible RJ45 sock-
ets are highlighted in colour in the figure below.
Fig. 49 Connection possibilities for BRI-S terminal interfaces
Note
With the 8BRI card, only the interfaces of sockets 1 to 4 are available for BRI-S terminal inter-
faces. The interfaces of sockets 5 to 8 are permanently configured to BRI-T.
Connection
Tab. 62 Connection of BRI-S terminal interfaces
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 con-
figurations are possible, depending on the line length and the number of terminals:
Communication server Cable cores Connection socket
Socket Pin
BRI-S sig-
nal
BRI-S sig-
nal
Pin Socket
1– –1
2– –2
3c c3
4f f4
5e e5
6d d6
7– –7
8– –8



#3*





#3*















