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Preparing for installation ················································································· 1
Safety recommendations ···································································································································1
Safety symbols···········································································································································1
General safety recommendations ··············································································································1
Electricity safety ·········································································································································1
ESD prevention ··········································································································································2
Examining the installation site····························································································································2
Temperature and humidity ·························································································································2
Cleanliness·················································································································································2
Cooling ·······················································································································································3
EMI·····························································································································································3
Lightning protection····································································································································3
Installation accessories and tools ··············································································································4
Pre-installation checklist ····································································································································5
Installing the router ························································································· 7
Installation prerequisites ····································································································································7
Installation flowchart ··········································································································································7
Installing the router ············································································································································8
Mounting the router on a workbench··········································································································8
Mounting the router on a wall·····················································································································9
Installing the router in a rack ····················································································································10
Grounding the router ································································································································12
Installing a 4G SIM card (JH296A/JH297A/JH298A/JH299A) ·········································································14
Installing a 4G SIM card (JH373A) ··················································································································14
Installing a Micro SD card ································································································································17
Installing a 4G antenna ····································································································································18
Connecting a 4G antenna extension cable to a 4G router···············································································19
Installing a WLAN antenna ······························································································································19
Connecting Ethernet interface cables ······································································································20
Connecting the console cable and setting terminal parameters ······························································20
Connecting the power cord ······················································································································21
Verifying the installation ···························································································································22
Accessing the router for the first time ··············································································································22
Powering on the router·····························································································································22
Observing the startup process ·················································································································22
Power-on check ·······································································································································23
Configuring basic settings for the router ··································································································24
Troubleshooting ···························································································· 25
Power supply failure·········································································································································25
Symptom ··················································································································································25
Solution ····················································································································································25
No display on the configuration terminal··········································································································25
Symptom ··················································································································································25
Solution ····················································································································································25
Garbled display on the configuration terminal··························································································26
No response from the serial port······················································································································26
Symptom ··················································································································································26
Solution ····················································································································································26
3G/4G SIM card and 4G antenna failures········································································································26
Symptom ··················································································································································26
Solution ····················································································································································26
Restoring the factory settings ··························································································································27
Scenario 1 ················································································································································27
Scenario 2 ················································································································································27
Scenario 3 ················································································································································27