S8901-54XC Hardware Installation Guide | 18
9
Connecting Power
DC Version
1.
Ensure there is enough power to supply the system.
The maximum system power consumption is 116 watts. It is recommended to ensure that
enough power is reserved from the power distribution system before installation. Also, please
ensure that both PSUs have been properly installed before powering up the equipment, as the
S8901-54XC is designed to support 1 + 1 power redundancy.
2.
Attach the power cable.
Locate the DC power screw-type terminal block on the DC PSU. Attach the UL 1015, 14 AWG DC
power cable (not provided within the package contents) to the DC inlet connector on the PSU.
Dangerous voltage!
•
Must be powered off before removing!
•
Verify that all electrical connections are grounded before powering on
•
The DC power source must be reliably grounded
Figure 25.
3.
Tighten the screws to the specified torque.
Tighten the screws to a torque value of 7.0+/-0.5kgf.cm. If the torque is not enough, the lug will
not be secure and may cause malfunctions. If the torque is too much, the terminal block or lug
may be damaged.
Figure 26.
