Dell S3048-ON Networking S3048–ON Getting Started Guide - Page 14

Important Points to Remember

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NOTE: Coat the one-hole lug with an anti-oxidant compound prior to crimping. Bring any unplated mating surfaces to a shiny finish, and coat with an antioxidant prior to mating. Plated mating surfaces must be clean and free from contamination. 1 Cut the ground cable to the desired length. The cable length must facilitate the proper operation of fault interrupt circuits. Dell Networking recommends using the shortest cable route allowable. 2 Attach the one-hole lug to the chassis using an M4x0.7 screw with a captive internal tooth lock washer, as shown. Torque the screw to 20 in-lbs. Figure 7. Attach the Ground Cable 3 Attach the other end of the ground cable to a suitable ground point. Important Points to Remember The S3048-ON is designed to support two hot-swappable power supplies with integrated fans that provide cooling for the chassis. • The S3048-ON ships with one power supply. Dell recommends purchasing a second power supply. • The PSU slides into the slot smoothly. Do not force the PSU into a slot as this action may damage the PSU or the S3048-ON chassis. • The S3048-ON supports AC power supplies with two air-flow directions (I/O to Utility and Utility to I/O). The S3048-ON does not support mixing PSU types. The fan airflow direction for the PSUs must be the same. CAUTION: DO NOT mix airflow directions. Both power supplies must use the same airflow direction (I/O to Utility or Utility to I/O). Install the Hardware 14

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NOTE:
Coat the one-hole lug with an anti-oxidant compound prior to crimping.
Bring any unplated mating surfaces to a shiny finish, and coat with an anti-
oxidant prior to mating. Plated mating surfaces must be clean and free from
contamination.
1
Cut the ground cable to the desired length. The cable length must facilitate the
proper operation of fault interrupt circuits. Dell Networking recommends using
the shortest cable route allowable.
2
Attach the one-hole lug to the chassis using an M4x0.7 screw with a captive
internal tooth lock washer, as shown. Torque the screw to 20 in-lbs.
Figure 7. Attach the Ground Cable
3
Attach the other end of the ground cable to a suitable ground point.
Important Points to Remember
The S3048–ON is designed to support two hot-swappable power supplies with
integrated fans that provide cooling for the chassis.
•
The S3048–ON ships with one power supply. Dell recommends purchasing a
second power supply.
•
The PSU slides into the slot smoothly. Do not force the PSU into a slot as this
action may damage the PSU or the S3048-ON chassis.
•
The S3048–ON supports AC power supplies with two air-flow directions (I/O to
Utility and Utility to I/O). The S3048–ON does not support mixing PSU types.
The fan airflow direction for the PSUs must be the same.
CAUTION:
DO NOT mix airflow directions. Both power supplies must use the
same airflow direction (I/O to Utility or Utility to I/O).
Install the Hardware
14