D-Link DRO-250i User Manual page 7

Auto Hang-up
The product can be configured for Auto Hang-up with idle times
which can hang-up the ISDN WAN connection when the line stays
idle for predetermined time duration. To disable this feature set idle-
timeout to 0 in ISDN Configuration page.
Bandwidth on Demand
This product supports the Bandwidth on Demand feature.
PPP/MLPPP
ISDN WAN port uses Sync-PPP for PPP negotiation with the ISP.
64 Kbps line uses only Sync-PPP. MLPPP is used in conjunction
with 128 Kbps line.
Ethernet WAN Interface
This Ethernet interface can be used to connect the WAN interface by using
any broadband modem. It can be connected in the following 3 modes.
1. Dynamic connection: Using the DHCP client, it will get connect
to the broadband.
2. PPPoE: Point to Point link over Ethernet. It is the widely used
mode to connect broadband network.
3. Static: Statically define the Interface address and connect to the
WAN world.
Auxiliary WAN Interface
This is one of the legacy interfaces to connect the WAN. This interface
can be used as backup interface to any primary interfaces (Ethernet WAN,
V.35).
Introduction to DRO-250i
DRO-250i User Manual
6