Ascotel® IntelliGate® 2025/2045/2065 as of I7.9
Installation
123
sy
d-
020
4/1.
7
– I7.
9
– 1
2
.2009
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 S interface of the system. Four bus configurations are
possible, depending on the line length and the number of terminals:
Tab. 56
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 terminals (see
).
Fig. 64
S bus, short
Fig. 65
S bus, short, V-shaped
S bus
Short
Short, V-shaped
Long
Point-to-point
Length (max.)
System
↔
terminal
Terminal 1
↔
Termi-
nal 4
150 m
–
2 x 150 m
–
500 m
20 m
1’000 m
–
Number of termi-
nals (max.)
8
8
4
1
X
Ω
MAXM
THCONNECTION
POINT
!SCOTEL
)NTELLI'ATE
X
Ω
X
Ω
-AIN
DISTRIBUTION
BOARD
MAXM
MAXM
THCONNECTION
POINT
MAX
M
!SCOTEL
)NTELLI'ATE
