Aiphone DB User Manual
1009
Hands-Free Two-Wire Door Answering Intercom
- SUPPLEMENT TO DB INSTRUCTIONS -
The DB Series door station is surface mount with an aluminum faceplate and backlit call directory. The door stations
come in one, two, or four call button varieties and each tenant can have up to five interior stations. Multiple button
door stations allow system installation in multi-tenant buildings. Communication with the door is hands-free from any
wall mounted interior unit. After establishing a visitor’s identity, a press of the door release button activates the door
strike to allow entry. Interior units communicate by placing an All Call announcement to all other units. Answering
the All Call announcement at a different inside location establishes point-to point communication.
NAMES & FEATURES
[1]
[9]
[8]
[2]
[3]
[4]
[5]
[6]
[7]
[10]
[11]
[1] Microphone
[2] Option Button
[3] Room Call Button
[4] Door Release Button
[5] Speaker
[6] Off Button
[7] Talk Button
[8] Transmit/Chime Tone Off LED
[9] Power Switch
[10] Receive Volume
[11] Chime Volume
[12] Door Speaker
[13] Call Buttons
[14] Backlit Directory
[15] Door Microphone
[15]
FEATURES:
· Up to 5 stations per door call button (1 master, 4 subs)
· All Call between stations in same residence / office
· Internal communication can be hands-free (VOX) or push-to-talk (PTT)
· Door release powered by door station (output is 70Ω 9.5 ~ 20V AC)
· Option button for external device control (N/O dry contact, AC/DC 24V 1.6A Max)
· Call tone volume control with LED mute indicator
· Receive volume control
· Optional Call Extension speaker (IER-2)
· Optional external signaling to 3
rd
party bell or light using TAR-3 (used in lieu the IER-2)
· Simple 2-wire connection from door to master for intercom and door release
· 4 wires between master and subs (daisy-chain wiring method only), plus 2 additional for power
[12]
[13]
[14]
Pg. 1
COMPONENTS & WIRING
Individual Components for DB System:
DB-1MD Tenant master station, max. 1 per tenant
DB-1SD Tenant sub station, max. 4 per tenant
DA-1DS Single button door station
DA-2DS Two-button door station
DA-4DS Four-button door station
PT-1211C 15VAC transformer, 1 per DB-1MD master, and 1 per 2 DB-1SD sub stations
DA-1DS
2
2
DB-1MD DB-1SD DB-1SD DB-1SD DB-1SD
A
Wire Distance Chart
22AWG
A
B
C
360'
330'
180'
20AWG
660'
330'
330'
18AWG
1020'
330'
510'
B
4444
2
C
Request
to Exit
Button
2
C
IER-2
2
2
C
C
22
2
C
2
C
DA-1DS
D
E
L
L
EL-12S
Option Switch Output for
Light, Gate, Garage, etc.
N/O Dry contact 24V 1.6A
Request to
Exit Button
Brn
Red
Optional
Optional
PT-1211C PT-1211C PT-1211C
Device
Device
Power
DB-1MD DB-1SD DB-1SD DB-1SD DB-1SD
IN
B1
B2
B3
B4
OUT
B1
B2
B3
B4
15V
~ ~
* NOTE: Power wiring must be in a separate
jacketed cable from 4-conductor intercom wiring.
Org
Org
IN
B1
B2
B3
B4
OUT
B1
B2
B3
B4
15V
~ ~
~ ~
To Bell or
Light and
Power
D
E
B1
B2
B3
B4
BL+
BL-
Org
Yel
15V
~ ~
~ ~ ~ ~
PT-1211C PT-1211C PT-1211C
External Signaling
15V
~ ~
Use the TAR-3 to trigger an external bell or light.
This relay can be used in place of the IER-2.
Org
Yel
+
-
SKK-620
IER-2
1
E
Red
Blu
TAR-3
Blk
AB
IN
B1
B2
B3
B4
OUT
B1
B2
B3
B4
15V
~ ~
IN
B1
B2
B3
B4
OUT
B1
B2
B3
B4
15V
~ ~
Pg. 2
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