Operation Manual – LoginH3C S7500 Series Ethernet Switches Chapter 4 Logging in Using Modem4-1Chapter 4 Logging in Using ModemWhen logging into a switch using a Modem, go to these sections for information you areinterested in:z Introductionz Configuration on the Administrator Sidez Configuration on the Switch Sidez Modem Connection Establishmentz Modem Attributes Configuration4.1 IntroductionThe administrator can log into the console port of a remote switch using a Modemthrough public switched telephone network (PSTN) if the remote switch is connected tothe PSTN through a Modem. When a network operates improperly or is inaccessible,you can log into the switches in the network in this way to configure these switches, toquery logs and trap messages, and to locate problems.To log into a switch in this way, you need to configure the administrator side and theswitch properly, as listed in the following table.Table 4-1 Requirements for logging into a switch using a ModemItem RequirementThe PC can communicate with the Modem connected to it.The Modem is properly connected to PSTN.AdministratorsideThe telephone number of the switch side is available.The Modem is connected to the console port of the switch properly.The Modem is properly configured.The Modem is properly connected to PSTN and a telephone set.Switch sideThe authentication mode and other related settings are configuredon the switch. Refer to Table 2-3.4.2 Configuration on the Administrator SideThe PC can communicate with the Modem connected to it. The Modem is properlyconnected to PSTN. And the telephone number of the switch side is available.
