Aiphone GT SYSTEM Quick Start Installation Guide

*DP
CN2
CN1
CN3
CN100
CN3
CN1
ELC
ELM
ELB
PT
R1
R2
+
-
+
-
PS24
+
-
ELC
ELM
ELB
PT
A1 A2R1 R2
A1
A2
R1
R2
+
-
+
-
PS24
GT-BC
+
-
A1 A2 A1 A2 A1 A2 A1 A2 A1 A2
B1 B2 B1 B2 B1 B2 B1 B2 B1 B2 B1 B2
B1 B2 R1 R2
B1 B2 R1 R2
B1 B2 R1 R2
B1 B2 R1 R2
B1 B2 R1 R2
B1 B2 R1 R2
B1 B2 R1 R2
B1 B2 R1 R2
Max. of 25 stations per
loop. SW1 switch must
be set to A on last station
in the wire loop.
SW1
AB
SW1
AB
SW1
AB
SW1
AB
B1 B2 R1 R2
B1 B2 R1 R2
B1 B2 R1 R2
B1 B2 R1 R2
B1 B2 R1 R2
B1 B2 R1 R2B1 B2 R1 R2
B1 B2 R1 R2
SW1
AB
SW1
AB
SW1
AB
SW1
AB
SW1
AB
SW1
AB
SW1
AB
SW1
AB
Max. of 6 GT-4Zs per loop. SW1 switch must be set
to A on last GT-4Z in the wire loop. Each residential/
tenant station homeruns to a GT-4Z and its SW1
switch must be set to A.
GT-VBC
B1 B2 R1 R2 B1 B2 R1 R2
B1 B2 R1 R2 B1 B2 R1 R2 B1 B2 R1 R2
R1 R2B1 B2
OUT (1) OUT (2)
OUT (3) OUT (4)
IN
LINE OUT
SW1
A
B
GT-4Z
B1 B2 R1 R2 B1 B2 R1 R2
B1 B2 R1 R2 B1 B2 R1 R2 B1 B2 R1 R2
R1 R2B1 B2
OUT (1) OUT (2)
OUT (3) OUT (4)
IN
LINE OUT
SW1
A
B
GT-4Z
IN
OUT
IN
OUT
IN
OUT
IN
OUT
IN
IN
IN
IN
IN
IN
IN
IN
Loop Wiring Method Homerun Wiring Method
3
* Distribution Point:
NOT provided by
Aiphone except for
Europe. This can be any
device that parallels or
commons the R1 / R2
connection. (Terminal
strip, punch down block,
wire nuts, etc.)
Residential/tenant
stations shown are the
GT-1C7(-L). The GT-
2C(-L) or GT-1M3(-L)
can be used and are
wired in the same
manner.
Note: GT-2C(-L)
requires a separate PS-
24 power supply.
Mag
Lock
Door
Strike
SYSTEM WIRING: AUDIO / VIDEO ALL-IN-ONE & ENTRANCE STATIONS
R1
R1
R2
R2
: Audio line
: Video line

Aiphone GT SYSTEM Specifications

General

Wiring	2-wire
Door Release	Yes
Operating Voltage	24V DC
Wire Gauge	18 AWG
Type	Intercom System
Power Source	24V DC
Installation	Surface-mounted
Communication	Hands-free
Expandability	Expandable to multiple door stations and master stations
Mounting	Wall-mount
Operating Temperature	14°F to 140°F (-10°C to 60°C)
Humidity Range	10% to 90% (non-condensing)
Frequency Response	300 Hz to 3.4 kHz
Maximum Stations	500
Maximum Door Stations	32 door stations