SECTION 2 SYSTEM SPECIFICATIONS
2.1 General Precautions
• Never attempt to insert wires, pins, etc. into the vents or other holes of the equipment.
• Do not use benzene, thinner, or the like, or any abrasive powder to clean the equipment. Wipe it
with a soft cloth.
2.2 Environmental Requirements
Meeting established environmental standards maximizes the life of the system. Be sure that the site is
not:
• In direct sunlight or in hot, cold or humid places.
• In dusty areas or in areas where sulfuric gases are produced.
• In places where shocks or vibrations are frequent or strong.
• In places where water or other fluids comes in contact with the equipment.
• In areas near high-frequency machines or electric welders.
• Near computers, telexes, microwaves, air conditioners, etc.
• Near radio antennas (including shortwave)
2.3 Operating Conditions
Table 5-2 Operating Conditions
Unit Operating Conditions
KSU, PCBs and Multiline Telephones Temperature: 0 to +40 degree C (32 to 104 degree F)
Humidity: 10 to 90% (non-condensing)
Doorphone Box Temperature: -20 to +60 degree C (-4 to 140 degree F)
Humidity: 20 to 80% (non-condensing)
2.4 Site Requirements
A KSU can only be wall-mounted, it can only be floor-mounted if the optional External Backup Battery
Box is installed.
2.5 AC Power Requirement
A dedicated 100V-120V/220V/230V/240V 50/60Hz circuit located within 2 meters of the KSU is
required. A separate dedicated AC outlet is necessary for the KSU.
Double Pole/Neutral Fusing
(Power supply fuses are located at both the L and N side.)
Table 5-3 Power Requirement
110VAC 120VAC 220VAC 230VAC 240VAC
Power Requirement 110 VAC@15 A 120 VAC@15 A 220 VAC@15 A 230 VAC@15 A 240 VAC@15
A
Power Consumption Main KSU =
128 VA
Main KSU =
130VA
Main KSU =
154 VA
Main KSU =
154 VA
Main KSU =
156 VA
Input Voltage (Rated Voltage) 90 VAC to 264 VAC (100VAC/120VAC/220VAC/230VAC/240VAC)
ISSUE 4.1 (R5.1) SL1100
Hardware Manual 5-3
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