Connecting Ethernet cables··········································································································································· 26
Connecting an optical fiber ································································································································· 27
Setting terminal parameters ·································································································································· 31
Powering on the firewall ··············································································································································· 34
Checking before power-on ··································································································································· 34
Powering on the firewall ······································································································································· 34
Checking after power-on ······································································································································ 34
Configuring service management ························································································································ 37
Configuring NAT ··················································································································································· 40
Solving system faults ······················································································································································ 47
Solving system faults ············································································································································· 47
Replacement procedures ··········································································································································· 50
Safety recommendations ··············································································································································· 50
Replacing a power supply ············································································································································ 50
Replacing an MPU ························································································································································· 51
Replacing an interface module ····································································································································· 52
Replacing a transceiver module ··································································································································· 52
Replacing a CF card ······················································································································································ 53
Replacing a fan tray ······················································································································································ 54
Replacing an air filter ···················································································································································· 55
Troubleshooting ·························································································································································· 57
MPU failures ··································································································································································· 57
RUN LED is off ······················································································································································· 57
RUN LED fast flashes ············································································································································· 57
ALM LED is steady on or flashes ·························································································································· 58
Interface module failures ··············································································································································· 58
RUN LED is off ······················································································································································· 58
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