Mitel 470 - Page 137

Installation
137
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016
Tab. 63 S bus configurations depending on line length and the number of terminals.
Note
The maximum number of terminals per S bus depends on the power requirements of the termi-
nals (see "Restrictions", page 138).
Fig. 50 S bus, short
Fig. 51 S bus, short, V-shaped
Fig. 52 S bus, long
S bus Short Short, V-shaped Long Point-to-point
Length (max.)
Server
↔ terminal
Terminal 1
↔ Ter min al 4
150 m
–
2
× 150 m
–
500 m
20 m
1’000 m
–
Number of terminals (max.) 8 8 4 1
1.
2.
3.
max. 150 m
2 x 100 Ω
Communica-
tion server
8. Connection
point
2.1. 3.
2 x 100 Ω
2 x 100 Ω
max. 3 m
max. 150 m
max. 150 m
8. Connec-
tion point
(Main)
distribution
frame
Communication
server
1.
2.
2 x 100 Ω
4. Connection
point
Communica-
tion server
max. 500 m
max. 20 m