background image

 

2

LED indicators

1

 

Power Status LEDs

 — (see 

figure 1

 on the previous page) These front and rear panel LEDs indicate the PS 125 

status by lighting 

Green

 when power is applied and current draw is normal.

2

  Overload LED

 — lights 

Red

 to indicate a current overload condition or when an output is shorted.

ATTENTION:

 

• 

Continued operation in an overload condition may cause premature power supply failure.

• 

Un fonctionnement ininterrompu en situation de surcharge peut entraîner la défaillance prématurée de la source 
d’alimentation.

NOTE:

  To identify the shorted output, unplug the outputs one at a time until the Overload LED lights off.

Input Power

Apply power to the PS 125 using the 
supplied IEC power cord.

3

 

IEC Connector/Power Supply

 — 

Plug one end of an IEC cord into this 
connector and the other end into a 
100‑240 VAC source. 

DC Outputs

4

 

DC Output Connectors

 — 

Connect the power cables from 
devices that will receive power from 
the PS 125 to these 3.5 mm captive 
screw connectors.
The PS 125 supports up to eight 
power supply outputs. For details 
on limitations and how to wire these 
captive screw connectors, see 

Output Power — Wiring the DC 
Output Connectors

 on page 3.

Connections

Input Power — Using the IEC  
Power Cord

Use the included IEC power 
cord to connect the PS 125 to a 
100 VAC to 240 VAC, 50‑60 Hz power 
source.

Figure 2. 

PS 125 Application Diagram

ATTENTION:

 

• 

For permanently connected equipment, there must be a readily accessible disconnect device incorporated in the 
building installation wiring.

• 

Pour les équipements branchés en permanence, un dispositif d’isolement rapidement accessible doit être intégré à 
l’installation électrique du bâtiment.

• 

The circuit breaker used for this connection should be rated 20 amps maximum.

• 

Le disjoncteur utilisé pour cette connexion doit avoir une tension nominale de 20 A max.

 

POWER

12V  

     

  

--A MA

X

POWER

12V        

 

--A MA

X

OUTPUT

S

OVERLOAD

1

2

3

4

6

8

5

7

12 VDC TO

TAL OUTPUT

5A

50-60 

Hz

100

-240V~

     

 

5A

 MA

X

Extron

PS 125

12VDC 5A 

Power Supply

Extron

Product

Extron 

Product

Output 2

Output 3

Output 4

Output 6

Output 8

Output 5

Output 7

Output 1

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