Mitel 430 System Manual page 124

Installation
Communi-
cation
server
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
S bus short
S bus, long
1) These values are based on a wire diameter of 0.5 mm.
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
124
max. 1000 m
Power available [W]
1)
5
1)
3.5
c
1
2
3
f
4
6 5 e
d
7
8
Connection
RJ45, 8-pin
1 a
2 b
3 c
4 f
5 e
6 d
7 g
8 h
Fit resistors at bus extremity only
point
2 x 100 Ω
Front view of
RJ45
Mitel 415/430 as of R4.1
syd-0580/1.2 – R4.1 – 08.2016