background image

To Enable Password Protection
Press and Hold,
then press Reset button once,
keep holding till LED goes ON.

BLUE

WHITE

24VAC POWER

To Disable Password Protection
Press and Hold,
then press Reset button once,
keep holding till LED goes ON.

Whichever LED is ON indicates 
password protection state.

Group ON/OFF

Use to test.

Button actuates

a preprogrammed

relay group.

Relay Group #

ON=Single Command / Call

OFF=Multiple Command / Call

Tones allowed

during voice prompts

ON=Relay Group Control

OFF=Relay Control

Device Status

Pressing Reset Button
will cause a software
reboot of the WTI-2332.

Blinking= OK

Reset

On Hook

Ring

USB

Telephone
Line

LED ON
when USB
connected

www.DouglasLightingControl.com

WTI-2332-FT

Telephone Interface

EARTH

NET B

NET A

Service

Wink

Lonworks
FTT-10 Signal

Technical Data

WTI-2332-FT

Telephone Interface

www.DouglasLightingControls.com

n  

The WTI-2332-FT Telephone Interface 
allows users to access the Douglas lighting 
control network from a standard touch-tone 
phone.

n  

The WTI-2332-FT can also be integrated 
into an external Lonworks control system.

n  

Phone plugs directly into the RJ11 port    
on the unit.

n

  Using simple telephone key commands, 

the user can select a relay group, check 
its  status, and turn it ON or OFF.

n  

Voice prompts are provided for ease and 
simplicity of operation. Voice prompt 
responses give the user confirmation of 
each command.

n  

Can be password protected.

n  

Automatic disconnect after several seconds 
of user inactivity or when user hangs up.

Connections

n  

Power: 

 24VAC, 100mA.

n

 

LonWorks Data Signal: FTT-10 (78kbs) 
standard LonTalk data signal.

n  

Telephone: dedicated line from touch-
tone phone to built-in modem port.

Operation

n  

WTI-2332-FT accessed by dialing 
telephone number provided by system 
administrator. Dialing must be paced 
and deliberate.

n  

Upon connection, password can be 
required and is entered with telephone 
keypad. 

 

 

n  

Telephone command, entered with 
telephone keypad, consists of function 
code (ON, OFF or status), group (or 
individual relay) number, and          
initiation code. 

n  

Voice prompts provided by system.

Network Technology Specification

n  

LonWorks

®

 

technology.

Environment

■ 

Indoors, stationary, non-vibrating,     
non-corrosive atmosphere and         
non-condensing humidity.

n  

Ambient operating temperature:

  -0°F to +120F (-15°C to +50°C).

PART No.

SPECIFICATION

DESCRIPTION

DIMENSIONS & MOUNTING

WTI-2332-FT  Telephone Interface

Data Signal

Connect network data signal here.
LonWorks Network: wiring is 16AWG twisted pair, non-polarized, 
unshielded, stranded or solid.

RJ11 Jack 

Connect  the telephone 
line here.

Wink Button and LED

LED flashes when network   

Wink

 command received.

Press button to clear 

Wink 

command.

Service Button & LED

Press button to identify unit to 
network for diagnosis.
Flashing LED indicates  
defective unit.

Reset Button

Press and hold at startup 
to restore defaults. 

n

  Telephone Interface mounts to 35mm 

DIN rail installed in relay panels.

  Unit shipped with DIN mounting rail. 

WTI-2332-FT

Telephone
Interface

Power Terminals

Connect to 24V transformer 
in panel.

Group Test Button

Press button to toggle pre-
selected group ON and OFF.

Power Indicator LED

Flashes when unit 
receiving power. 

Ring LED

Flashes when call is 

being sent.

Telephone Online 
Indicator LED

ON if modem is active.

USB Port and LED 

Connect USB from pc here for 
using the pc hyperterminal to 
configure the unit.

LED flashes when pc is connected 
and a signal is being transmitted.

6.5"

(165)

1.75"

(45)

Plan View

Side View

6.5"

(165)

4.0"

(103)

WTI-2332-FT

Telephone Interface

DIP Switches

Factory Setting is all                
3 switches in ON                 
(right) position: 
#1 ON (single command per 

session).

#2 ON (can enter command 

during prompt).

#3 ON (relay groups activated).

#1 OFF (multiple commands per 

session).

#2 OFF (cannot enter command 

until prompt ends).

#3 OFF (individual relays 

activated).

1

2

3

ON

OFF

Password 
Activate/Disable
Buttons and LEDs

Press and hold the 
password activate -
disable button. Then 
press Reset button once.
Keep holding the 
password activate or
disable button until
the LED goes ON.

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