module Cisco-IOS-XR-tty-management-datatypes {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-tty-management-datatypes";

    prefix tty-management-datatypes;

    import cisco-semver {
      prefix semver;
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
     Customer Service
     
     Postal: 170 West Tasman Drive
     San Jose, CA 95134
     
     Tel: +1 800 553-NETS
     
     E-mail: cs-yang@cisco.com";

    description
      "This module contains a collection of generally useful
     derived YANG data types.
     
     Copyright (c) 2013-2019 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2019-04-05" {
      description
        "Establish semantic version baseline.";
    }

    revision "2017-08-07" {
      description "Initial version";
    }

    revision "2015-01-07" {
      description "IOS XR 5.3.1 revision.";
    }

    semver:module-version "1.0.0";

    typedef Tty-pager {
      type enumeration {
        enum "more" {
          value 1;
          description "More paging Utility";
        }
        enum "less" {
          value 2;
          description "Less paging Utility";
        }
        enum "none" {
          value 3;
          description "No Paging Utility";
        }
      }
      description "Tty pager";
    }

    typedef Tty-escape-char {
      type union {
        type enumeration {
          enum "break" {
            value 257;
            description
              "Cause escape on BREAK";
          }
          enum "default" {
            value 30;
            description
              "Use default escape character";
          }
          enum "none" {
            value 256;
            description
              "Disable escape entirely";
          }
        }
        type uint32 {
          range "0..257";
        }
      }
      description "Tty escape char";
    }

    typedef Tty-transport-protocol-select {
      type enumeration {
        enum "none" {
          value 0;
          description "No protocols";
        }
        enum "all" {
          value 1;
          description "All protocols";
        }
        enum "some" {
          value 2;
          description
            "One of the Transport Protocol";
        }
      }
      description
        "Tty transport protocol select";
    }

    typedef Tty-session-timeout-direction {
      type enumeration {
        enum "in" {
          value 1;
          description "Input traffic";
        }
        enum "in-out" {
          value 3;
          description "In & Output traffic";
        }
      }
      description
        "Tty session timeout direction";
    }

    typedef Tty-transport-protocol {
      type enumeration {
        enum "none" {
          value 0;
          description "No protocols";
        }
        enum "telnet" {
          value 1;
          description
            "TCP/IP Telnet protocol";
        }
        enum "ssh" {
          value 3;
          description "Unix ssh protocol";
        }
      }
      description "Tty transport protocol";
    }
  }  // module Cisco-IOS-XR-tty-management-datatypes