ADTRAN NetVanta 1748F Series, Hardware Installation Manual

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Unit Installation ADTRAN 1748F Switch
24 Copyright © 2016 ADTRAN, Inc. 61700558F1-34B
The rear panel of the switch chassis includes a single-screw grounding terminal. The surface area around this
terminal is not painted in order to provide for a good connection It must be connected to ground to ensure proper
operation and to meet electromagnetic interference (EMI) and safety requirements. Before powering on the
switch, ground the switch to earth as described below.
Figure 10. Grounding Terminal
.
Connecting to AC Power
To supply AC power to the switch, first verify that the external AC power supply can provide 100 to 240 VAC,
50-60 Hz, 3 A minimum.
• The earth connection must not be removed unless all supply connections have been
disconnected.
• Ensure that the rack on which the switch is to be mounted is properly grounded and in
compliance with ETSI ETS 300 253.
• Ensure that there is a good electrical connection to the grounding point on the rack (no
paint or isolating surface treatment).
• The unit must be connected to an earthed (grounded) outlet to comply with international
safety standards.
Instructions for Grounding the Chassis
Step Action
1 Disconnect all power cables to the switch.
2 Attach a 6 AWG stranded copper wire to the grounding terminal on the switch.
3 Then attach the grounding wire to the ground point on the rack.