Requirements:

Cabling
The KSU is connected with each of the Multiline Terminals and Single Line Telephones by a separate, twisted 1-pair or 2-pair cable.

Power Supply Inputs
The AC input (P64-U(xx) PSU) requirements:

• 117 Vac ± 10%
• 60 Hz ± 10%
• Single Phase
• 15A circuit
• A dedicated outlet, separately fused and grounded, is required.

Temperature

• Operating: +32°F ~ +104°F (0°C ~ 40°C)
• Recommended Long Term: +50°F ~ +90°F (10°C ~ 32.2°C)

Humidity

• Operating: 10% ~ 90% noncondensing