Mitel 430 System Manual page 123

Tab. 55 S bus configurations depending on line length and the number of terminals.
S bus
Length (max.)
Server ↔ terminal
Terminal 1 ↔ Terminal 4
Number of terminals (max.)
Note
The maximum number of terminals per S bus depends on the power requirements of the termi-
nals (see "Restrictions", page 124).
Communica-
tion server
Fig. 46 S bus, short
2 x 100
Fig. 47 S bus, short, V-shaped
Communica-
tion server
Fig. 48 S bus, long
Mitel 415/430 as of R4.1
syd-0580/1.2 – R4.1 – 08.2016
Short
150 m
–
8
1.
1. 2. 3.
Ω
max. 150 m
Short, V-shaped Long
2 × 150 m 500 m
– 20 m
8 4
2. 3.
max. 150 m
Communication
server
(Main)
distribution
8. Connec-
frame tion point
max. 150 m
1. 2.
max. 20 m
max. 500 m
Installation
Point-to-point
1'000 m
–
1
8. Connection
point
2 x 100 Ω
2 x 100 Ω
4. Connection
point
2 x 100 Ω
123