Aiphone LEF-3L SYSTEM OUTLINE & COMPONENTS (Cont.)

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SYSTEM OUTLINE & COMPONENTS (Cont.)

LE-D/LE-DA TERMINAL DEFINITIONS:

Station number

Common communication

Negative

*LS-NVP/C TERMINAL DEFINITIONS:

Red Station number

Black Common communication

Green Negative

*LE-SS(R)/LE-SS-1G COLOR CODE:

Red Station number

Black Common communication

Green Negative

* North America only

Before Installation:

· Make sure you have the proper power supply(ies) and all necessary and compatible equipment for the system.

· Lay out your system in advance, assigning station numbers for all sub station locations.

· Surge protection for the intercom equipment is recommended. Add SA-1 surge arrestors for the power supply, plus one

per two wires connected to the master station.

· Any other manufacturer's products installed with this system (power supply, external signaling device, etc.) are not

covered under Aiphone's warranty.

· When using a power supply that has no GROUND terminal, install a surge arrestor near the output as shown.

· Additional surge arrestors can be installed to protect communication lines. One surge arrestor per 2 wires on each

master station.

PS-1225/UL/S

PS-1215DIN

LEF-3L

DC 12V

Surge-

arrestor

Grounded

Install a surge-arrestor

at a location closest to the unit,

taken to earth ground.