Aiphone manual Components & Wiring, Individual Components for DB System

COMPONENTS & WIRING

2

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
			Wire Distance Chart
				22AWG	20AWG	18AWG
		A		360'	660'	1020'
		B		330'	330'	330'
		C		180'	330'	510'

									B
		DB-1MD				DB-1SD				DB-1SD	DB-1SD			DB-1SD
DA-1DS
2					4		4				4	4
				2
					C
					Request
					to Exit
	A			2	Button
					C		2					2
					IER-2
				2
2					C
								C			2		C
			C		2

			Optional
		Optional	Device
	PT-1211C	Device	PT-1211C
		Power
DA-1DS	DB-1MD		DB-1SD

DB-1SD

PT-1211C
DB-1SD	DB-1SD

D

E

L

L

EL-12S

Request to Exit Button

Brn

Red

D

E

B1

B2

B3

B4

BL+

BL-

15V

~ ~

Org

Yel

IER-2

1

E

IN

B1

B2

B3

B4

OUT

B1

B2

B3

B4

15V

~ ~

IN

B1

B2

B3

B4

OUT

B1

B2

B3

B4

15V

~ ~

IN	IN
B1	B1
B2	B2
B3	B3
B4	B4
OUT	OUT
B1	B1
B2	B2
B3	B3
B4	B4
15V	15V
~ ~	~ ~

Option Switch Output for

Light, Gate, Garage, etc.

N/O Dry contact 24V 1.6A

~ ~

PT-1211C

External Signaling	~ ~
Org
	PT-1211C
Yel
15V

~ ~

	Blu	TAR-3		Org	To Bell or
+	Red			Org	Light and
	Blk
-		A	B		Power
SKK-620

Use the TAR-3 to trigger an external bell or light. This relay can be used in place of the IER-2.

~ ~

PT-1211C

*NOTE: Power wiring must be in a separate jacketed cable from 4-conductor intercom wiring.

Pg. 2