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R1
R2

SPECIFICATIONS:

Contact Rating:0.5A at 24V DC
Communication:Handset from tenant to entrance panel
Hands free from entrance to tenant
Calling:Electronic ring tone from entrance panel
Differentiated ring tone from individual doorbell
Wiring:2-conductor common bus wire for Audio (GF-1DKS)
Plus a separate 2-cond. common bus wire for Video (GF-1MDKS)
Plus additional independent 2-cond. wire from each unit’s extra switch to external system
Wiring Distance:GF-BC to farthest GF-1DKS or GF-1MDKS: 980' with 20AWG
Total cumulative wire distance must not exceed 1.5 miles (8,200') with 20AWG
Wire: Aiphone 872002 for Audio; 871802 for Video
Dimensions:GF-1DKS: 7-7/8” H x 3-1/2” W x 2-1/2” D
GF-1MDKS: 8-1/4” H x 8-1/2” W x 2-3/4” D

Tenant Station with Extra Switch Contact

- INSTRUCTIONS -

The GF-1DKS and GF-1MDKS are tenant stations for the GF system with the Concierge and/or Panic 
Call feature. The top button is made functional with a switch contact installed. The dry contact is 
Normally Open and can be used for individual door release activation, elevator call-up, or any function 
that can be activated with a contact closure.

WIRING DIAGRAM:

(GF-1DKS)

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

GF-1DkS/GF-1MDkS Instr.

0804JS

Toll Free Technical Support:

1-800-692-0200

FAX 1-800-832-3765

WIRING DIAGRAM:

(GF-1MDKS)

GF-1DKS

To Bus Line

(See GF Instructions)

N/O Dry Contact

GF-1MDKS

B1
B2

R1
R2

To Bus Line

(See GF Instructions)

N/O Dry Contact

NOTE:

Only information pertaining to the GF-1DKS and 
GF-1MDKS is included here. For complete 
installation, wiring, and operational information, 
please refer to the appropriate Installation Manual. 

Yel
Yel

Yel
Yel

Locate 2 YELLOW wires inside 
unit. Connect external system 
to be triggered to these wires. 
All other connections are per 
standard GF installation 
instructions. 

GF-1DKS

Additional 
switch is 
activated 
with top 
button.

GF-1MDKS

Additional 
switch is 
activated 
with top 
button.

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