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NOTE:
Release contacts on the JF-2MED are from 
4-pin connector included with unit. 
Connect Red & Brown wires as shown. 
Orange & Yellow wires are not used.
Release contacts on the JK-1MD/MED
are L/L terminals.

Aiphone Communication Systems
1700 130th Ave. N.E.
Bellevue, WA  98005
(425) 455-0510
FAX (425) 455-0071

Toll Free Technical Support:

1-800-692-0200

E-mail tech-serv@aiphone.com

RY-18L Instr.

0310JD

SPECIFICATIONS:

Power Source:

Supplied by master station

Mounting:

No mounting required

Terminations:

Color-coded prewired pigtails

Relay Input:

12-18V DC, Red, Gray wires, 22AWG

Relay Output: 

Brown, Red, Orange wires, 18AWG

N/O Output rating:

5A at 30V DC
10A at 125V AC
3A at 250V AC

N/C Ouptut rating: 

3A at 30V DC or 125V AC

Wiring:

2 conductors from monitor's door release contacts to RY-18L. 
2 conductors from RY-18L to strike, with power for strike wired in series.

Dimensions (HxWxD):  1-3/4"  x  7/8" x  7/16", with wires extending approx. 7-1/2"

WIRING DIAGRAMS:

A1
A2

B1
B2

S
S

DC 18V

+

-

RELEASE

(L)BRN
(L)RED

JK-1MD/MED

JF-2MED

Door

A1
A2

PS-1820UL

+

-

.

Red

Gry

Brn

Org

Yel

COM

N/O

N/C

Use Normally Open 

contact for electric strike

ELECTRIC STRIKE 

WIRING METHOD:

JF/JK OPEN VOICE COLOR VIDEO SYSTEM:

PS-1820UL

+

-

.

Red

Gry

Brn

Org

Yel

COM

N/O

N/C

Use Normally Closed 

contact for magnetic lock

MAGNETIC LOCK 

WIRING METHOD:

A1
A2

B1
B2

S
S

DC 18V

+

-

RELEASE

(L)BRN
(L)RED

Add 

jumper 

wire from 
BRN to +

Add 

jumper 

wire from 
BRN to +

NOTE:

Only wiring pertaining to connection of door 
release relay is shown here. 
For complete system information, please 
consult the main system installation manual. 

JK-1MD/MED

JF-2MED

+  -

LOCK 

POWER

+  -

LOCK 

POWER

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