{
  "elements": [
    {
      "uid": "trx A",
      "metadata": {
        "location": {
          "city": "A",
          "region": "",
          "latitude": 0,
          "longitude": 0
        }
      },
      "type": "Transceiver"
    },
    {
      "uid": "trx B",
      "metadata": {
        "location": {
          "city": "B",
          "region": "",
          "latitude": 0,
          "longitude": 0
        }
      },
      "type": "Transceiver"
    },
    {
      "uid": "trx F",
      "metadata": {
        "location": {
          "city": "F",
          "region": "",
          "latitude": 0,
          "longitude": 0
        }
      },
      "type": "Transceiver"
    },
    {
      "uid": "fiber (A \u2192 B)-",
      "metadata": {
        "location": {
          "latitude": 0.0,
          "longitude": 0.0
        }
      },
      "type": "Fiber",
      "type_variety": "SSMF",
      "params": {
        "length": 80.0,
        "length_units": "km",
        "loss_coef": 0.2,
        "con_in": 1.00,
        "con_out": 1.00
      }
    },
    {
      "uid": "fiber (B \u2192 C)-",
      "metadata": {
        "location": {
          "latitude": 0.0,
          "longitude": 0.0
        }
      },
      "type": "Fiber",
      "type_variety": "SSMF",
      "params": {
        "length": 80.0,
        "length_units": "km",
        "loss_coef": 0.2,
        "con_in": 1.00,
        "con_out": 1.00
      }
    },
    {
      "uid": "fiber (C \u2192 D)-",
      "metadata": {
        "location": {
          "latitude": 0.0,
          "longitude": 0.0
        }
      },
      "type": "Fiber",
      "type_variety": "SSMF",
      "params": {
        "length": 80.0,
        "length_units": "km",
        "loss_coef": 0.2,
        "con_in": 1.00,
        "con_out": 1.00
      }
    },
    {
      "uid": "fiber (D \u2192 E)-",
      "metadata": {
        "location": {
          "latitude": 0.0,
          "longitude": 0.0
        }
      },
      "type": "Fiber",
      "type_variety": "SSMF",
      "params": {
        "length": 80.0,
        "length_units": "km",
        "loss_coef": 0.2,
        "con_in": 1.00,
        "con_out": 1.00
      }
    },
    {
      "uid": "fiber (E \u2192 F)-",
      "metadata": {
        "location": {
          "latitude": 0.0,
          "longitude": 0.0
        }
      },
      "type": "Fiber",
      "type_variety": "SSMF",
      "params": {
        "length": 80.0,
        "length_units": "km",
        "loss_coef": 0.2,
        "con_in": 1.00,
        "con_out": 1.00
      }
    },
        {
            "uid": "Edfa1",
            "type": "Edfa",
            "type_variety": "std_medium_gain",            
            "operational": {
                "gain_target": 18,
                "tilt_target": 0
            },
            "metadata": {
                "location": {
                    "region": "",
                    "latitude": 2,
                    "longitude": 0
                }
            }
        },
        {
            "uid": "Edfa2",
            "type": "Edfa",
            "type_variety": "std_medium_gain",            
            "operational": {
                "gain_target": 18,
                "tilt_target": 0
            },
            "metadata": {
                "location": {
                    "region": "",
                    "latitude": 2,
                    "longitude": 0
                }
            }
        },
        {
            "uid": "Edfa3",
            "type": "Edfa",
            "type_variety": "std_medium_gain",            
            "operational": {
                "gain_target": 18,
                "tilt_target": 0
            },
            "metadata": {
                "location": {
                    "region": "",
                    "latitude": 2,
                    "longitude": 0
                }
            }
        },
        {
            "uid": "Edfa4",
            "type": "Edfa",
            "type_variety": "std_medium_gain",            
            "operational": {
                "gain_target": 18,
                "tilt_target": 0
            },
            "metadata": {
                "location": {
                    "region": "",
                    "latitude": 2,
                    "longitude": 0
                }
            }
        },
        {
            "uid": "Edfa5",
            "type": "Edfa",
            "type_variety": "std_medium_gain",            
            "operational": {
                "gain_target": 18,
                "tilt_target": 0
            },
            "metadata": {
                "location": {
                    "region": "",
                    "latitude": 2,
                    "longitude": 0
                }
            }
        },
        {
        "uid": "Att_B",
        "type": "Fused",
        "params":{
            "loss":16
        },
        "metadata": {
            "location": {
              "latitude": 2.0,
              "longitude": 1.0,
              "city": "Corlay",
              "region": "RLD"
                }
            }
        },
        {
        "uid": "Att_F",
        "type": "Fused",
        "params":{
            "loss":16
        },
        "metadata": {
            "location": {
              "latitude": 2.0,
              "longitude": 1.0,
              "city": "Corlay",
              "region": "RLD"
                }
            }
        }

  ],
  "connections": [
    {
      "from_node": "fiber (A \u2192 B)-",
      "to_node": "Edfa1"
    },
    {
      "from_node": "Edfa1",
      "to_node": "fiber (B \u2192 C)-"
    },
    {
      "from_node": "fiber (B \u2192 C)-",
      "to_node": "Edfa2"
    },
    {
      "from_node": "Edfa2",
      "to_node": "fiber (C \u2192 D)-"
    },
    {
      "from_node": "fiber (C \u2192 D)-",
      "to_node": "Edfa3"
    },
    {
      "from_node": "Edfa3",
      "to_node": "fiber (D \u2192 E)-"
    },
    {
      "from_node": "fiber (D \u2192 E)-",
      "to_node": "Edfa4"
    },
    {
      "from_node": "Edfa4",
      "to_node": "fiber (E \u2192 F)-"
    },
    {
      "from_node": "fiber (E \u2192 F)-",
      "to_node": "Edfa5"
    },
    {
      "from_node": "Edfa5",
      "to_node": "Att_F"
    },
    {
      "from_node": "Att_F",
      "to_node": "trx F"
    },
    {
      "from_node": "trx A",
      "to_node": "fiber (A \u2192 B)-"
    },
    {
      "from_node": "Edfa1",
      "to_node": "Att_B"
    },
    {
      "from_node": "Att_B",
      "to_node": "trx B"
    }
  ]
}