18
A2
A1
A2
A1
A2
A1
A2
A1
A2
A1
A2
A1
A2
A1
A2
A1
COMMON1
SUB1
B2
B1
B2
B1
DC24V
R1 R2
MODE
EXPAND
STANDARD
OUT
IN
IN
IN
OUT
OUT
DC24V
2
OUT 1
B2
B1
B2
B1
B2
B1
B2
B1
3
6
1
2
5
A2
A1
A2
A1
A2
A1
PS24
AC
PS24
AC
SW2
1 2 3 4 5 6 7 8
DC24V
Power
B2
B1
IN
A2
A1
OUT
R2
R1
ON
OFF
SW3
1 2 3 4
1P
NP
1P
NP
1P
NP
1P
NP
1P
NP
1P
NP
1P
NP
1P
NP
1P
NP
1P
NP
1P
NP
1P
NP
1P
NP
1P
NP
1P
NP
Main section (expanded system)
WIRING
Entrance station 5
Entrance station 6
Entrance station 7
Entrance station 4
Entrance station 3
Entrance station 2
Entrance station 1
Guard station
Common trunk line 1
Guard station
Bus
control
unit
GT-BC
Entrance stations
* Make connections in the same method as the common trunk line 1.
However, do not connect the GT-MCX to the common trunk line 2.
Common trunk line 2
DP
(Distribution Point)
Video bus control unit
GT-VBC
*1
:
NOTE
The GT-MCX must be
connected to the common trunk
line 1.
*2
:
Refer to section
5
SWITCH
SETTINGS before powering on.
*1
To
GT-VBX
To
GT-VBC
*1
*2
Refer to the installation manual
GT SYSTEM/Standard &
Expanded System
section
4-2
for detailed connection diagrams.
Refer to the installation
manual
GT SYSTEM/
Standard & Expanded
System
section
4-3
for
detailed connection
diagrams.
