GF Audio & Video Series

9
System Capacity
Utilizing Two-Wire Bus or Two-Pair Common wiring method system can be designed to meet a variety of installations
GF system features two-wire Bus for audio only system and two-pair common for audio/video system. For audio/video systems, there are two
methods of running trunk lines;
(1) Run two single-pair cables from one apartment monitor station to next, and
(2) Connect 4-way video junction units (GF-4Z's) on trunk lines on each floor, which can accommodate up to four apartment monitor stations.
Audio system
Max. 250 Apartment stations
MAX. 50
GF-1DK
1P 1P
GF-1DK
GF-1DK
1P
Doorbell
1P
Video system
Max. 150 Apartment monitor stations
MAX. 5
1P
Entrance stations
1P
GFW-VBC
Audio/Video Bus lines
1 2 3 4 5 6
1P
PS-24ME/A PS IN
for VIDEO 2
GF-VBC
Expanded video system
Expanded 6 - 11
1P
1P
MAX. 6
1P x 2
1P
Standard
PS
for VIDEO 1
1 - 5
GF-VBC/A
1P
GF-BC
(*)Includes power
supply for GF-NS
Employ GFW-VBC Expander video unit when increasing residential trunk lines, or
locating the farthest monitor stations more than 150m away. From GF-VBC video
control unit, up to two GFW-VBC Expander units may be connected in series.
150m
MAX. 5
1P
#5
GF-1DK GF-1DK
1P 1P
1P
1P
1P 1P
#4
#3
Max. 100-call direct
select call buttons
1P
1Px2 1Px2 1Px2 1Px2 1Px2(*)
150m
150m
1P
ea.1P
1P 1P
Bus line
(any no.)
1P
#2 #1
Max. 3 Entrance stations per Bus line
PS
PS
PT
EL
GF-BC
PS
MAX. 50
1P
at each
entrance
MAX. 50
1P
1P 1P
1P
1 2 3
E
4 5 6
7 8 9
0
R
D
A
M
J
G
T
H
K
N
B
I
C
L
F
V
O
X
Q
P
S
U
W
Y
Z
GF-MK
on GFW-S
PS
1P
1P
GF-BC
1P
PS
1P
1 2 3
B
E
4 5 6
H
K
N
7 8 9
U
0
D
A
M
J
G
T
I
C
L
F
V
O
X
Q
GF-MK
PS
for AUDIO
P
S
R
Y
W
Z
Audio + Digital name scrolling
Max. 5 Name scroll modules
MAX. 5
1P
#3
1P
EL
PT
1P
Bus line
#2
ea.1P
#1
1P
1P 1P 1P 1P
1P
GF-BC
PS
GF-1D
GF-BC
1P PS
When Concierge Station is not required
Bus line
1P
1P
PS 1P
Power supply
for GF-NS
Use GF-1D Apartment stations if GF-MK Concierge station is not included.
. Wiring with GF-4Z’s
1P
Doorbell
GF-1D
Max. 6 x GF-4Z's
(max. 25 Monitors)
1P x 2
GF-1MDK
GF-4Z
1P x 2
GF-1MDK
M
M
1P x 2
1P x 2
GF-1MDK
GF-4Z
GF-1MDK
1P x 2
1P x 2
M
M
1P x 2 1P x 2
1P x 2
GF-1MDK GF-1MDK
VIDEO
AUDIO
GF-1MDK
1P x 2
1P x 2
GF-1MDK
#2
M
M
M
M
#1
. GF-1MDK to GF-1MDK wiring
GF-1MDK
GF-1MDK
GF-1MDK
GF-1MDK
Max. 25 Monitors
Video + Digital Name Scrolling
Max. 5 Name scroll modules GF-VBC
MAX. 5
#3
1P
1P
1P
EL
PT
Up to 3 stations on Audio Bus line
Video Audio
1P
GF-1MD
1P
1P
GF-1MD
1P
1P
GF-VBC
1P GF-BC
PS PS
M
1P
VIDEO
AUDIO
M
1P x 2
M
M
1P x 2
M
1P x 2
1P x 2
indiv.1P
PS 1P
Bus line GF-BC
1P
PS 1P
When Concierge Station is not required
Use GF-1MD Apartment
monitor stations instead
of GF-1MDK
Do not mix both wiring methods
on a same trunk line.
M
PS 1P
PS-24ME/A
Power supply for
GF-NS