Black Box LR1530A-EU-R3 - Manual (Page 31)

Applications
25
By default, PPP is disabled for each of the newly created remote site
profiles. If PPP encapsulation is desired, for example to use security,
the PPP encapsulation option should be set to “enabled”. By default,
when PPP encapsulation is enabled multilink is also enabled.
7
PPP Encapsulation
Location: Main
Ä Configuration
Ä WAN Set-Up
Ä Remote Site Set-Up
Ä Edit Remote Site
ÄConnection Set-up
Ä PPP
enable
The configuration options described here are only for initial set up and
configuration purposes. For more complete information on all of the
configuration parameters available please refer to the router PPP Menus
Reference Manual file on the accompanying CD-ROM.