"Routing Circuit Name for Data Link 'type'?"

    Specify the simple-name that you want to use for the routing
    circuit or accept the system-supplied default. HP recommends
    that you take the default name even if you configure multiple
    lines of the same type.

    If you decide not to accept the default response, keep in mind
    that the name you specify for the data link should reflect the
    type of routing circuit you are configuring. The following types
    may be configured:

    o  CSMACD

       Carrier Sense, Multiple Access with Collision Detect (CSMA/CD)
       protocol is the data link protocol used by Ethernet and ISO
       8802-3 local area networks (LANs).

    o  DDCMP

       Digital Data Communications Message Protocol (DDCMP) is
       the data link protocol use by wide area networks (WANs).
       It supports synchronous point-to-point connections and
       asynchronous static or dynamic point-to-point connections.
       DECnet software can use this protocol to make connections over
       WANs.

    o  HDLC

       High-level Data Link Control (HDLC) is an ISO, bit-oriented,
       Data Link layer (OSI layer 2) protocol that operates over
       synchronous, switched or unswitched communications links.
       DECnet software can use this protocol to make connections over
       WANs.