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NOTICE: 
The WAN Datalink Protocol Configuration menu sets up the IAD 
internet link for Level 2 Transmission Convergence onto the physical 
link. The following generic description of the options listed on this 
menu are for information only. Specific encapsulation options are 
shown and selected when configuring ATM PVCs (refer to page 4-66) 
or Frame Relay DLCIs (refer to page 4-73).
Totally Transparent
No framing or encapsulation is specified. Used only by Paradyne for internal 
purposes.
Raw HDLC
Level 2 frame delineation, link control services, and error detection are provided 
at physical interface for non-encapsulated transport of IAD payload between 
two points.
Cisco Compatible HDLC
Same Level 2 functionality as described under Raw HDLC above, but with 
awareness of Cisco-implemented HDLC control field changes (e.g., 
modifications in the control bytes to allow transparent implementation of the 
Cisco Discovery Protocol).
IP-Plus Compatible HDLC
Provides support for IP Headers in the HDLC payload.
PPP (Over Raw HDLC)
Point-to-Point over raw HDLC encapsulation.
ATM or Frame Relay
Multiprotocol over ATM (RFC 1483) encapsulation or Multiprotocol over 
Frame Relay (RFC 1490) encapsulation.
When you select ATM as the datalink protocol, the IAD displays the PVC 
and ATM options on the WAN Configuration menu.
When you select Frame Relay, the IAD displays the Frame Relay options on 
the WAN Configuration menu 
− options 3 and 4 on the menu shown below.
TDM Voice
This option lets you configure, on a per-DS0 basis, voice traffic for the POTS 
ports and data traffic for the Ethernet port.