Library /sys$common/syshlp/nclhelp.hlb set, osi_transport, template, er_timeout  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Default: 30            Value for Tru64 UNIX: 1-(2 raised to the
                                                  power of 31 -1)

    Default: 30            Value for OpenVMS: 1-4294967295

    The amount of time (in seconds) to wait for a response to an ER
    TPDU before disconnecting the network connection. This attribute
    is used for protocol classes 0 and 2 only.

    set  [node node-id] osi transport template template-id -
         er timeout integer

    Example:

    set osi transport template osit$loop_cons -
         er timeout 30