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            }
        }, {
            "uid": "east edfa in Site_D to Site_C",
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                }
            }
        }, {
            "uid": "east edfa in Site_D to Site_E",
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            },
            "metadata": {
                "location": {
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            }
        }, {
            "uid": "east edfa in Site_E to Site_F",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_E",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_F to Site_G",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_F",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_G to Site_F",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_G",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_G to Site_H",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_G",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_H to Site_I",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_H",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_I to Site_J",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_I",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_J to Site_K",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_J",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_K to Site_L",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_K",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_L to Site_K",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_L",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_L to Site_A",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_L",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_A to Site_L",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_A",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_A to Site_M",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_A",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_M to Site_N",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_M",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_N to Site_O",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_N",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_O to Site_G",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_O",
                    "region": ""
                }
            }
        }, {
            "uid": "east edfa in Site_G to Site_O",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_G",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_A to Site_B",
            "type": "Multiband_amplifier",
            "type_variety": "std_medium_gain_multiband",
            "amplifiers": [{
                    "type_variety": "std_medium_gain_C",
                    "operational": {
                        "gain_target": 22.55,
                        "delta_p": 0.9,
                        "out_voa": 3.0,
                        "tilt_target": 0.0
                    }
                }, {
                    "type_variety": "std_medium_gain_L",
                    "operational": {
                        "gain_target": 21,
                        "delta_p": 3.0,
                        "out_voa": 3.0,
                        "tilt_target": 0.0
                    }
                }
            ],
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_A",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_B to Site_C",
            "type": "Multiband_amplifier",
            "type_variety": "std_medium_gain_multiband",
            "amplifiers": [{
                    "type_variety": "std_medium_gain_C",
                    "operational": {
                        "gain_target": 22.55,
                        "delta_p": 0.9,
                        "out_voa": 3.0,
                        "tilt_target": 0.0
                    }
                }, {
                    "type_variety": "std_medium_gain_L",
                    "operational": {
                        "gain_target": 21,
                        "delta_p": 3.0,
                        "out_voa": 3.0,
                        "tilt_target": 0.0
                    }
                }
            ],
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_B",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_C to Site_D",
            "type": "Multiband_amplifier",
            "type_variety": "std_medium_gain_multiband",
            "amplifiers": [{
                    "type_variety": "std_medium_gain_C",
                    "operational": {
                        "gain_target": 22.55,
                        "delta_p": 0.9,
                        "out_voa": 3.0,
                        "tilt_target": 0.0
                    }
                }, {
                    "type_variety": "std_medium_gain_L",
                    "operational": {
                        "gain_target": 21,
                        "delta_p": 3.0,
                        "out_voa": 3.0,
                        "tilt_target": 0.0
                    }
                }
            ],
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_C",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_D to Site_C",
            "type": "Multiband_amplifier",
            "type_variety": "std_medium_gain_multiband",
            "amplifiers": [{
                    "type_variety": "std_medium_gain_C",
                    "operational": {
                        "gain_target": 22.55,
                        "delta_p": 0.9,
                        "out_voa": 3.0,
                        "tilt_target": 0.0
                    }
                }, {
                    "type_variety": "std_medium_gain_L",
                    "operational": {
                        "gain_target": 21,
                        "delta_p": 3.0,
                        "out_voa": 3.0,
                        "tilt_target": 0.0
                    }
                }
            ],
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_D",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_D to Site_E",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_D",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_E to Site_F",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_E",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_F to Site_G",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_F",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_G to Site_F",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_G",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_G to Site_H",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_G",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_H to Site_I",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_H",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_I to Site_J",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_I",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_J to Site_K",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_J",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_K to Site_L",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_K",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_L to Site_K",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_L",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_L to Site_A",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_L",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_A to Site_L",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_A",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_A to Site_M",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_A",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_M to Site_N",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_M",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_N to Site_O",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_N",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_O to Site_G",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_O",
                    "region": ""
                }
            }
        }, {
            "uid": "west edfa in Site_G to Site_O",
            "type": "Edfa",
            "type_variety": "",
            "operational": {
                "gain_target": null,
                "delta_p": null,
                "tilt_target": 0,
                "out_voa": null
            },
            "metadata": {
                "location": {
                    "latitude": 0,
                    "longitude": 0,
                    "city": "Site_G",
                    "region": ""
                }
            }
        }
    ],
    "connections": [{
            "from_node": "trx Site_A",
            "to_node": "roadm Site_A"
        }, {
            "from_node": "trx Site_D",
            "to_node": "roadm Site_D"
        }, {
            "from_node": "trx Site_G",
            "to_node": "roadm Site_G"
        }, {
            "from_node": "trx Site_L",
            "to_node": "roadm Site_L"
        }, {
            "from_node": "roadm Site_A",
            "to_node": "east edfa in Site_A to Site_B"
        }, {
            "from_node": "roadm Site_A",
            "to_node": "east edfa in Site_A to Site_L"
        }, {
            "from_node": "roadm Site_A",
            "to_node": "east edfa in Site_A to Site_M"
        }, {
            "from_node": "roadm Site_A",
            "to_node": "trx Site_A"
        }, {
            "from_node": "roadm Site_D",
            "to_node": "east edfa in Site_D to Site_C"
        }, {
            "from_node": "roadm Site_D",
            "to_node": "east edfa in Site_D to Site_E"
        }, {
            "from_node": "roadm Site_D",
            "to_node": "trx Site_D"
        }, {
            "from_node": "roadm Site_G",
            "to_node": "east edfa in Site_G to Site_F"
        }, {
            "from_node": "roadm Site_G",
            "to_node": "east edfa in Site_G to Site_H"
        }, {
            "from_node": "roadm Site_G",
            "to_node": "east edfa in Site_G to Site_O"
        }, {
            "from_node": "roadm Site_G",
            "to_node": "trx Site_G"
        }, {
            "from_node": "roadm Site_L",
            "to_node": "east edfa in Site_L to Site_K"
        }, {
            "from_node": "roadm Site_L",
            "to_node": "east edfa in Site_L to Site_A"
        }, {
            "from_node": "roadm Site_L",
            "to_node": "trx Site_L"
        }, {
            "from_node": "fiber (Site_A → Site_B)-",
            "to_node": "east edfa in Site_B to Site_C"
        }, {
            "from_node": "fiber (Site_B → Site_C)-",
            "to_node": "east edfa in Site_C to Site_D"
        }, {
            "from_node": "fiber (Site_C → Site_D)-",
            "to_node": "west edfa in Site_D to Site_C"
        }, {
            "from_node": "fiber (Site_D → Site_E)-",
            "to_node": "east edfa in Site_E to Site_F"
        }, {
            "from_node": "fiber (Site_E → Site_F)-",
            "to_node": "east edfa in Site_F to Site_G"
        }, {
            "from_node": "fiber (Site_F → Site_G)-",
            "to_node": "west edfa in Site_G to Site_F"
        }, {
            "from_node": "fiber (Site_G → Site_H)-",
            "to_node": "east edfa in Site_H to Site_I"
        }, {
            "from_node": "fiber (Site_H → Site_I)-",
            "to_node": "east edfa in Site_I to Site_J"
        }, {
            "from_node": "fiber (Site_I → Site_J)-",
            "to_node": "east edfa in Site_J to Site_K"
        }, {
            "from_node": "fiber (Site_J → Site_K)-",
            "to_node": "east edfa in Site_K to Site_L"
        }, {
            "from_node": "fiber (Site_K → Site_L)-",
            "to_node": "west edfa in Site_L to Site_K"
        }, {
            "from_node": "fiber (Site_L → Site_A)-",
            "to_node": "west edfa in Site_A to Site_L"
        }, {
            "from_node": "fiber (Site_A → Site_M)-",
            "to_node": "east edfa in Site_M to Site_N"
        }, {
            "from_node": "fiber (Site_M → Site_N)-",
            "to_node": "east edfa in Site_N to Site_O"
        }, {
            "from_node": "fiber (Site_N → Site_O)-",
            "to_node": "east edfa in Site_O to Site_G"
        }, {
            "from_node": "fiber (Site_O → Site_G)-",
            "to_node": "west edfa in Site_G to Site_O"
        }, {
            "from_node": "fiber (Site_B → Site_A)-",
            "to_node": "west edfa in Site_A to Site_B"
        }, {
            "from_node": "fiber (Site_C → Site_B)-",
            "to_node": "west edfa in Site_B to Site_C"
        }, {
            "from_node": "fiber (Site_D → Site_C)-",
            "to_node": "west edfa in Site_C to Site_D"
        }, {
            "from_node": "fiber (Site_E → Site_D)-",
            "to_node": "west edfa in Site_D to Site_E"
        }, {
            "from_node": "fiber (Site_F → Site_E)-",
            "to_node": "west edfa in Site_E to Site_F"
        }, {
            "from_node": "fiber (Site_G → Site_F)-",
            "to_node": "west edfa in Site_F to Site_G"
        }, {
            "from_node": "fiber (Site_H → Site_G)-",
            "to_node": "west edfa in Site_G to Site_H"
        }, {
            "from_node": "fiber (Site_I → Site_H)-",
            "to_node": "west edfa in Site_H to Site_I"
        }, {
            "from_node": "fiber (Site_J → Site_I)-",
            "to_node": "west edfa in Site_I to Site_J"
        }, {
            "from_node": "fiber (Site_K → Site_J)-",
            "to_node": "west edfa in Site_J to Site_K"
        }, {
            "from_node": "fiber (Site_L → Site_K)-",
            "to_node": "west edfa in Site_K to Site_L"
        }, {
            "from_node": "fiber (Site_A → Site_L)-",
            "to_node": "west edfa in Site_L to Site_A"
        }, {
            "from_node": "fiber (Site_M → Site_A)-",
            "to_node": "west edfa in Site_A to Site_M"
        }, {
            "from_node": "fiber (Site_N → Site_M)-",
            "to_node": "west edfa in Site_M to Site_N"
        }, {
            "from_node": "fiber (Site_O → Site_N)-",
            "to_node": "west edfa in Site_N to Site_O"
        }, {
            "from_node": "fiber (Site_G → Site_O)-",
            "to_node": "west edfa in Site_O to Site_G"
        }, {
            "from_node": "east edfa in Site_A to Site_B",
            "to_node": "fiber (Site_A → Site_B)-"
        }, {
            "from_node": "east edfa in Site_B to Site_C",
            "to_node": "fiber (Site_B → Site_C)-"
        }, {
            "from_node": "east edfa in Site_C to Site_D",
            "to_node": "fiber (Site_C → Site_D)-"
        }, {
            "from_node": "east edfa in Site_D to Site_C",
            "to_node": "fiber (Site_D → Site_C)-"
        }, {
            "from_node": "east edfa in Site_D to Site_E",
            "to_node": "fiber (Site_D → Site_E)-"
        }, {
            "from_node": "east edfa in Site_E to Site_F",
            "to_node": "fiber (Site_E → Site_F)-"
        }, {
            "from_node": "east edfa in Site_F to Site_G",
            "to_node": "fiber (Site_F → Site_G)-"
        }, {
            "from_node": "east edfa in Site_G to Site_F",
            "to_node": "fiber (Site_G → Site_F)-"
        }, {
            "from_node": "east edfa in Site_G to Site_H",
            "to_node": "fiber (Site_G → Site_H)-"
        }, {
            "from_node": "east edfa in Site_H to Site_I",
            "to_node": "fiber (Site_H → Site_I)-"
        }, {
            "from_node": "east edfa in Site_I to Site_J",
            "to_node": "fiber (Site_I → Site_J)-"
        }, {
            "from_node": "east edfa in Site_J to Site_K",
            "to_node": "fiber (Site_J → Site_K)-"
        }, {
            "from_node": "east edfa in Site_K to Site_L",
            "to_node": "fiber (Site_K → Site_L)-"
        }, {
            "from_node": "east edfa in Site_L to Site_K",
            "to_node": "fiber (Site_L → Site_K)-"
        }, {
            "from_node": "east edfa in Site_L to Site_A",
            "to_node": "fiber (Site_L → Site_A)-"
        }, {
            "from_node": "east edfa in Site_A to Site_L",
            "to_node": "fiber (Site_A → Site_L)-"
        }, {
            "from_node": "east edfa in Site_A to Site_M",
            "to_node": "fiber (Site_A → Site_M)-"
        }, {
            "from_node": "east edfa in Site_M to Site_N",
            "to_node": "fiber (Site_M → Site_N)-"
        }, {
            "from_node": "east edfa in Site_N to Site_O",
            "to_node": "fiber (Site_N → Site_O)-"
        }, {
            "from_node": "east edfa in Site_O to Site_G",
            "to_node": "fiber (Site_O → Site_G)-"
        }, {
            "from_node": "east edfa in Site_G to Site_O",
            "to_node": "fiber (Site_G → Site_O)-"
        }, {
            "from_node": "west edfa in Site_A to Site_B",
            "to_node": "roadm Site_A"
        }, {
            "from_node": "west edfa in Site_B to Site_C",
            "to_node": "fiber (Site_B → Site_A)-"
        }, {
            "from_node": "west edfa in Site_C to Site_D",
            "to_node": "fiber (Site_C → Site_B)-"
        }, {
            "from_node": "west edfa in Site_D to Site_C",
            "to_node": "roadm Site_D"
        }, {
            "from_node": "west edfa in Site_D to Site_E",
            "to_node": "roadm Site_D"
        }, {
            "from_node": "west edfa in Site_E to Site_F",
            "to_node": "fiber (Site_E → Site_D)-"
        }, {
            "from_node": "west edfa in Site_F to Site_G",
            "to_node": "fiber (Site_F → Site_E)-"
        }, {
            "from_node": "west edfa in Site_G to Site_F",
            "to_node": "roadm Site_G"
        }, {
            "from_node": "west edfa in Site_G to Site_H",
            "to_node": "roadm Site_G"
        }, {
            "from_node": "west edfa in Site_H to Site_I",
            "to_node": "fiber (Site_H → Site_G)-"
        }, {
            "from_node": "west edfa in Site_I to Site_J",
            "to_node": "fiber (Site_I → Site_H)-"
        }, {
            "from_node": "west edfa in Site_J to Site_K",
            "to_node": "fiber (Site_J → Site_I)-"
        }, {
            "from_node": "west edfa in Site_K to Site_L",
            "to_node": "fiber (Site_K → Site_J)-"
        }, {
            "from_node": "west edfa in Site_L to Site_K",
            "to_node": "roadm Site_L"
        }, {
            "from_node": "west edfa in Site_L to Site_A",
            "to_node": "roadm Site_L"
        }, {
            "from_node": "west edfa in Site_A to Site_L",
            "to_node": "roadm Site_A"
        }, {
            "from_node": "west edfa in Site_A to Site_M",
            "to_node": "roadm Site_A"
        }, {
            "from_node": "west edfa in Site_M to Site_N",
            "to_node": "fiber (Site_M → Site_A)-"
        }, {
            "from_node": "west edfa in Site_N to Site_O",
            "to_node": "fiber (Site_N → Site_M)-"
        }, {
            "from_node": "west edfa in Site_O to Site_G",
            "to_node": "fiber (Site_O → Site_N)-"
        }, {
            "from_node": "west edfa in Site_G to Site_O",
            "to_node": "roadm Site_G"
        }
    ]
}
