PPP over Modem
RS400 221 ROS™ v3.5
ROS™ PPP over Modem provides you with the following features:
• Configuring PPP network parameters
• Configuring PAP/CHAP authentication
• Configuring PPP clients
• Viewing the status of the PPP/Modem port
• Resetting the port
11.1 PPP over Modem Operation
In RuggedCom device, internal modem with following features can be installed:
• Industrial grade V.90 modem offering connection speeds ranging from V.22bis (2400 bps),
V.32bis (14.4 kbps), V.34 (33.6 kbps) to V.90 (56 kbps)
• MNP 5 Link Compression,
• country Code selectable,
• uses RJ11 Connector.
The Point To Point Protocol (PPP) used over the RuggedCom device internal modem provides
client/server IP connectivity through the Public Switched Telephone Network. Device acts as a
server, automatically assigning an IP address to the dial-in client and authenticates dial-in users
via PAP or CHAP. Ten user name/password combinations are supported. A static route is
installed upon accepting a call.
11.1.1 Remote Dial-in For Monitoring
In this mode of operation the RuggedCom device is usually part of an Ethernet network. A client
workstation can raise a call to the device and establish a PPP link. Hosts on the Ethernet may
be contacted by IP.
Figure 154: Remote Dial-in For Monitoring
The following parameters have to be configured in this application.