NEC UNIVERGE SL2100, Hardware Manual

Page: 65 / 174

1.8.1 Grounding the Chassis
Ensure all Main and Expansion Chassis are powered off and unplug the AC
cord.
In each Chassis, connect the ETH lug to the verified grounding point using a minimum cable size of
14AWG (Φ2.0 mm) wire.
to Earth
AC Power Inlet
ETH Lug
Screw
Figure 2-24 ETH Lug
• The grounding cable is supplier-provided.(not attached to the system)
Each chassis in the system must be grounded separately using the procedure listed below.
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.
1.8.2 AC Power Requirement
A dedicated 100V-120V/220V/230V/240V 50/60Hz circuit located within two meters of the Chassis is
required. A separate dedicated AC outlet is necessary for each Chassis.
Double Pole/Neutral Fusing
(Power supply fuses are located at both the L and N side.)
Table 2-9 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
ISSUE 1.0 SL2100
Hardware Manual 2-19