Bri-S Terminal Interfaces - Mitel 470 System Manual

Installation
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
Communication server
Socket Pin
1
2
3
4
5
6
7
8
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:
136
Cable cores
BRI-S sig-
nal
–
–
c
f
e
d
–
–
Connection socket
BRI-S sig-
Pin
nal
– 1
– 2
c 3
f 4
e 5
d 6
– 7
– 8
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016
Socket