Mitel 430 - Page 124

Installation
124
Mitel 415/430 as of R4.1
syd-0580/1.2 – R4.1 – 08.2016
Fig. 49 S bus, point-to-point
Greater distances (up to 8km) can be achieved using a standard commercial S bus ex-
tension.
Restrictions
The maximum number of terminals per S bus is further restricted by the power require-
ments of the terminals and their supplementary equipment:
Tab. 56 Power balance on the S bus
The number of terminals is the sum of the power requirements of the individual termi-
nals and the power available on the S bus.
Connection sockets
Fig. 50 RJ45 connection, single socket
Power available [W]
S bus short 5
1)
1) These values are based on a wire diameter of 0.5 mm.
S bus, long 3.5
1)
max. 1000 m
2 x 100 Ω
Communi-
cation
server
Connection
point
8
7
6
5
4
3
2
1
c
f
e
d
a
b
c
f
e
d
g
h
1
2
3
4
5
6
7
8
100 Ω
100 Ω
Fit resistors at bus extremity only
Front view of
RJ45
RJ45, 8-pin