MyPower S2300-28TC-AC Switch Installation Manual
Maipu Confidential & Proprietary Information
Page 25 of 30
(that is PGND ground), which must connect the ground well. This can enable the
induced electricity and leakage electricity to safely flow into the earth and improve
overall EMI feature. For the external network connection, such as the E1 interface,
PSTN and other cable series with the lightning voltage, ground can provide
protection.
Use a thick wire and connect the point with the earth, it is required that the
grounding resistance is less than 4 ohms. If the switch is installed in the cabinet, the
cabinet also has to connect to the ground.
