1.5.1 Grounding the KSU
Ensure all Main and Expansion KSU(s) are powered off and unplug the AC
cord.
In each KSU, connect the ETH lug to the verified grounding point using a minimum cable size of
14AWG (Φ2.0 mm) wire.
Figure 2-18 ETH Lug
• The grounding cable is supplier-provided.(not attached to the system)
1. Loosen the screw.
2. Insert a grounding wire (user supplied).
3. Tighten the screw.
4. Connect the grounding wire to earth ground.
Proper grounding is very important to protect the system from external
noise and to reduce the risk of electrocution in the event of a lightning
strike.
1.5.2 AC Power Requirement
A dedicated 100V-120V/220V/230V/240V 50/60Hz circuit located within two meters of the KSU is
required. A separate dedicated AC outlet is necessary for each KSU.
Double Pole/Neutral Fusing
(Power supply fuses are located at both the L and N side.)
Table 2-5 Power Requirement
110 VAC 220 VAC 230 VAC 240 VAC
Power Require-
ments
110 VAC@15 A 220 VAC@15 A 230 VAC@15 A 240 VAC@15 A
Power Con-
sumption
Main KSU = 144 VA
4 KSU Total = 576 VA
Main KSU = 172 VA
4 KSU Total = 688 VA
Main KSU = 175 VA
4 KSU Total = 700 VA
Main KSU = 175 VA
4 KSU Total = 700 VA
Input Voltage
(Rated Voltage)
90 VAC to 264 VAC (100VAC/120VAC/220VAC/230VAC/240VAC)
Frequency 47 Hz - 63 Hz (Rated Frequency:50/60 Hz)
Phase and Wire Single Phase, 2 Line + PE Type
Grounding Re-
quirement
No.14 AWG Copper Wire
ISSUE 3.0 SL1000
Hardware Manual 2-13
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