Dell S4112F EMC S4112–ON Series Installation Guide October 2021 - Page 28

AC power cable clips, PSU LEDs, S4112T-ON AC PSUs, AC power cable clips

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Figure 23. S4112T-ON AC PSUs 1. AC PSUs Figure 24. S4112T-ON DC PSUs 1. DC PSUs The PSUs have an integrated fan that you cannot replace individually; if the fans integrated in a PSU fail, you must replace the entire PSU. You can replace the fan trays individually. For fan tray replacement procedures, see Fans. WARNING: Prevent exposure and contact with hazardous voltages. Do not attempt to operate this switch with the safety cover removed. CAUTION: Remove the power cable from the PSU before removing the PSU. Also, do not connect the power cable before you insert the PSU in the switch. NOTE: To comply with the GR-1089 Lightning Criteria for Equipment Interfacing with AC Power Ports, use an external surge protection device (SPD) at the AC input of the router. AC power cable clips After you connect the AC power cable to the switch, attach the metal wire clip to the switch over each AC power cable, as shown. Figure 25. AC power cable clips PSU LEDs The single PSU LED is on the I/O-side of the switches. 28 Power supplies

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Figure 23. S4112T–ON AC PSUs
1.
AC PSUs
Figure 24. S4112T–ON DC PSUs
1.
DC PSUs
The PSUs have an integrated fan that you cannot replace individually; if the fans integrated in a PSU fail, you must replace the
entire PSU. You can replace the fan trays individually. For fan tray replacement procedures, see
Fans
.
WARNING:
Prevent exposure and contact with hazardous voltages. Do not attempt to operate this switch with
the safety cover removed.
CAUTION:
Remove the power cable from the PSU before removing the PSU. Also, do not connect the power
cable before you insert the PSU in the switch.
NOTE:
To comply with the GR-1089 Lightning Criteria for Equipment Interfacing with AC Power Ports, use an external
surge protection device (SPD) at the AC input of the router.
AC power cable clips
After you connect the AC power cable to the switch, attach the metal wire clip to the switch over each AC power cable, as
shown.
Figure 25. AC power cable clips
PSU LEDs
The single PSU LED is on the I/O-side of the switches.
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Power supplies