H3C Technologies H3C SR6600 - Manual (Page 138)

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• Surge protector—Maximum discharge current 2.5KA/protection voltage 25V-BNC-75K/
BNC-75K-10Mbps
• Surge protector (U port)—Maximum discharge current 3KA/common-mode 400V/differential
mode 170V-RJ11
For how to install the signal lightning arrester, see " Installing a surge protector (optional) ."