- 9 -
1-2
Expanded System Configuration Diagram
1. Common trunk line #1, 2
2. Sub trunk line #1 - 4
Sub trunk line #2 - #4 are the same as #1. Maximum 125 units
per sub trunk line.
(1) Audio signal line
(2) Video signal line
(3) Power supply line
a. Entrance station (For details, see 2-1 and 2-2)
b. Bus control unit
c. Residential station (For details, see 2-4):
Station-to-station wiring (For details, see 1-1)
d. Residential station (For details, see 2-4):
Homerun wiring (For details, see 1-1)
Do not mix station-to-station wiring and homerun wiring.
e. Security Guard Station
f. Expanded bus control unit
[1] Expanded video bus control unit GH-VBX
[2] Expanded bus control unit GH-BCX
[3] Distribution terminal (junction): sold separately
[4] Power supply adapter PS-2410LC, PS-2410LD, PS-2410DIN
1-3
Wiring Distance
∗ DP = Distribution Point
Capacity
Entrance Station Maximum 16 stations
(up to 3 stations per trunk)
Residential stations
per sub trunk line
Maximum 125 stations
(up to 25 stations per trunk)
Residential Station Maximum 500 stations
Security Guard Station Maximum 4 stations
Residential stations
in the same residence
Maximum 4 stations
(up to 2 monitor stations)
Diameter of wires
0.65 mm
(22 AWG)
0.8 mm
(20 AWG)
1.0 mm
(18 AWG)
GH-BC - DP
DP - GH-DA
GH-VBC - GH-VA
GH-MK - DP
DP - farthest residential station
(R1-R2)
(Includes system with GH-4Z)
GH-VBC - farthest residential station
(1 monitor units/residence)
(Includes system with GH-4Z)
GH-VBC - farthest residential station
(2 monitor units/residence)
(Includes system with GH-4Z)
GH-VBC (SW: STD)
- GH-VBC (SW: EXP)
GH-BC - power supply
GH-VBC - power supply
GH-NS - power supply
GH-MK - power supply
5 m
(16')
5 m
(16')
5 m
(16')
300 m
(980')
300 m
(980')
300 m
(980')
300 m
(980')
300 m
(980')
300 m
(980')
5 m
(16')
5 m
(16')
300 m
(980')
300 m
(980')
150 m
(500')
150 m
(500')
100 m
(330')
-
-
-
-
150 m
(490')
-
-
-
-
100 m
(330')
100 m
(330')
50 m
(165')
-
-
-
-
-
2500 m
(8200')
--
2500 m
(8200')
--
5 m
(16')
--
150 m
(500')
--
300 m
(980')
--
300 m
(980')
--
300 m
(980')
150 m
(500')
-
-
-
150 m
(500')
100 m
(330')
-
150 m
(500')
100 m
(330')
50 m
(165')
150 m
(500')
Common trunk line
(Maximum 2 trunk lines)
total wiring length per trunk line
Sub trunk line
(Maximum 4 trunk lines)
total wiring length per trunk line
GH-BC - GH-BCX
GH-VBC -GH-VBX
GH-DA - GH-BCX
GH-VA - GH-VBX
GH-BCX - farthest residential station
(R1-R2)
(Includes system with GH-4Z)
GH-VBX - farthest residential station
(1 monitor units/residence)
(Includes system with GH-4Z)
GH-VBX - farthest residential station
(2 monitor units/residence)
(Includes system with GH-4Z)