ADTRAN 1200350L1 - Manual (Page 39)

Chapter 4: Configuration Overview
61200350L1-1 Router Option Module User Manual 4-3
Configuration/WAN
The WAN menu is used to set up the ISDN parameters for the Rout-
er Option Module. Figure 4-2 shows the WAN menu.
Figure 4-2. Configuration/Frame Relay Screen
WAN/DSO Rate
WAN/L2 Protocol (also available via Front Panel)
Write security: 3, Read security: 5
This parameter specifies the layer 2 data link layer transport used.
When selected as PPP (def), the Router Option Module will negoti-
ate PPP over the T1 interface. This would be used mainly for cam-
pus wiring applications.
Parameters for controlling the PPP negotiation are in the Configu-
ration/PPP Profile
menu. Frame Relay should be selected when the
Router Option Module is connected to a Frame Relay switch. The
Configuration/Frame Relay
menu is used for controlling the Frame
Relay parameters.