4.2.6 Powering device on ............................................................................................................................... 34
4.2.7 Inspection after installation ................................................................................................................... 35
4.3 Installing software .......................................................................................................................................... 35
4.3.1 Installing and upgrading system software ............................................................................................. 35
4.3.2 Installing and upgrading NView NNM system ..................................................................................... 35
4.4 Accessing device ............................................................................................................................................ 35
4.4.1 Connecting PC to MSG1200 ................................................................................................................. 35
4.4.2 Logging into Web interface ................................................................................................................... 37
4.5 FAQ ................................................................................................................................................................ 38
4.5.1 Why does the POWER LED not light up? ............................................................................................ 38
4.5.2 Why does the WAN/LAN LED not light up? ........................................................................................ 38
4.5.3 Why are wireless signals in the WLAN weak/unstable? ....................................................................... 38
4.5.4 Why can the PC not access the Internet after searching for AP? .......................................................... 39
4.5.5 Why do the POTS LEDs not light up during off-hook? ........................................................................ 39
5 Technical specifications ............................................................................................................. 40
5.1 Overall specifications ..................................................................................................................................... 40
5.2 EMC specifications ........................................................................................................................................ 40
5.3 Environment conditions ................................................................................................................................. 41
6 Appendix ...................................................................................................................................... 42
6.1 Terms .............................................................................................................................................................. 42
6.2 Abbreviations ................................................................................................................................................. 43