diff --git a/ponmngr/Makefile b/ponmngr/Makefile
index 9e6f96c1d..e51e90b38 100644
--- a/ponmngr/Makefile
+++ b/ponmngr/Makefile
@@ -39,6 +39,8 @@ ifneq ($(CONFIG_TARGET_brcmbca),)
 else ifneq ($(CONFIG_TARGET_airoha),)
 	$(CP) ./files/airoha/* $(1)/
 endif
+	$(INSTALL_DIR) $(1)/etc/bbfdm/json
+	$(CP) ./files/etc/bbfdm/json/* $(1)/etc/bbfdm/json/
 endef
 
 $(eval $(call BuildPackage,ponmngr))
diff --git a/ponmngr/files/etc/bbfdm/json/xpon.json b/ponmngr/files/etc/bbfdm/json/xpon.json
new file mode 100644
index 000000000..fba619df5
--- /dev/null
+++ b/ponmngr/files/etc/bbfdm/json/xpon.json
@@ -0,0 +1,656 @@
+{
+	"json_plugin_version": 1,
+	"Device.XPON.": {
+		"type": "object",
+		"protocols": [
+			"usp"
+		],
+		"access": false,
+		"array": false,
+		"dependency": "file:/etc/config/xpon",
+		"ONUNumberOfEntries": {
+			"type": "unsignedInt",
+			"read": true,
+			"write": false,
+			"protocols": [
+				"usp"
+			],
+			"datatype": "unsignedInt",
+			"mapping": [
+				{
+					"type": "ubus",
+					"ubus": {
+						"object": "xpon",
+						"method": "status",
+						"args": {},
+						"key": "ONU.@Count"
+					}
+				}
+			]
+		},
+		"Device.XPON.ONU.{i}.": {
+			"type": "object",
+			"protocols": [
+				"usp"
+			],
+			"access": false,
+			"array": true,
+			"mapping": [
+				{
+					"type": "ubus",
+					"ubus": {
+						"object": "xpon",
+						"method": "status",
+						"args": {},
+						"key": "ONU"
+					}
+				}
+			],
+			"Enable": {
+				"type": "boolean",
+				"read": true,
+				"write": false,
+				"protocols": [
+					"usp"
+				],
+				"datatype": "boolean",
+				"mapping": [
+					{
+						"data": "@Parent",
+						"type": "json",
+						"key": "Enable"
+					}
+				]
+			},
+			"Version": {
+				"type": "string",
+				"read": true,
+				"write": false,
+				"protocols": [
+					"usp"
+				],
+				"datatype": "string",
+				"range": [
+					{
+						"max": 14
+					}
+				],
+				"mapping": [
+					{
+						"data": "@Parent",
+						"type": "json",
+						"key": "Version"
+					}
+				]
+			},
+			"EquipmentID": {
+				"type": "string",
+				"read": true,
+				"write": false,
+				"protocols": [
+					"usp"
+				],
+				"datatype": "string",
+				"range": [
+					{
+						"max": 20
+					}
+				],
+				"mapping": [
+					{
+						"data": "@Parent",
+						"type": "json",
+						"key": "EquipmentID"
+					}
+				]
+			},
+			"SoftwareImageNumberOfEntries": {
+				"type": "unsignedInt",
+				"read": true,
+				"write": false,
+				"protocols": [
+					"usp"
+				],
+				"datatype": "unsignedInt",
+				"mapping": [
+					{
+						"type": "ubus",
+						"ubus": {
+							"object": "xpon",
+							"method": "status",
+							"args": {},
+							"key": "ONU[@index].softwareImage.@Count"
+						}
+					}
+				]
+			},
+			"EthernetUNINumberOfEntries": {
+				"type": "unsignedInt",
+				"read": true,
+				"write": false,
+				"protocols": [
+					"usp"
+				],
+				"datatype": "unsignedInt",
+				"mapping": [
+					{
+						"type": "ubus",
+						"ubus": {
+							"object": "xpon",
+							"method": "status",
+							"args": {},
+							"key": "ONU[@index].EthernetUNI.@Count"
+						}
+					}
+				]
+			},
+			"ANINumberOfEntries": {
+				"type": "unsignedInt",
+				"read": true,
+				"write": false,
+				"protocols": [
+					"usp"
+				],
+				"datatype": "unsignedInt",
+				"mapping": [
+					{
+						"type": "ubus",
+						"ubus": {
+							"object": "xpon",
+							"method": "status",
+							"args": {},
+							"key": "ONU[@index].ANI.@Count"
+						}
+					}
+				]
+			},
+			"Device.XPON.ONU.{i}.SoftwareImage.{i}.": {
+				"type": "object",
+				"protocols": [
+					"usp"
+				],
+				"access": false,
+				"array": true,
+				"mapping": [
+					{
+						"type": "ubus",
+						"ubus": {
+							"object": "xpon",
+							"method": "status",
+							"args": {},
+							"key": "ONU[@index].softwareImage"
+						}
+					}
+				],
+				"ID": {
+					"type": "unsignedInt",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "unsignedInt",
+					"range": [
+						{
+							"min": 0,
+							"max": 1
+						}
+					],
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "ID"
+						}
+					]
+				},
+				"Version": {
+					"type": "string",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "string",
+					"range": [
+						{
+							"max": 14
+						}
+					],
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "Version"
+						}
+					]
+				},
+				"IsCommitted": {
+					"type": "boolean",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "boolean",
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "IsCommitted"
+						}
+					]
+				},
+				"IsActive": {
+					"type": "boolean",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "boolean",
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "IsActive"
+						}
+					]
+				},
+				"IsValid": {
+					"type": "boolean",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "boolean",
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "IsValid"
+						}
+					]
+				}
+			},
+			"Device.XPON.ONU.{i}.EthernetUNI.{i}.": {
+				"type": "object",
+				"protocols": [
+					"usp"
+				],
+				"access": false,
+				"array": true,
+				"mapping": [
+					{
+						"type": "ubus",
+						"ubus": {
+							"object": "xpon",
+							"method": "status",
+							"args": {},
+							"key": "ONU[@index].EthernetUNI"
+						}
+					}
+				],
+				"Enable": {
+					"type": "boolean",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "boolean",
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "Enable"
+						}
+					]
+				},
+				"Status": {
+					"type": "string",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "string",
+					"enumerations": [
+						"Up",
+						"Down",
+						"unknown",
+						"Dormant",
+						"NotPresent",
+						"LowerLayerDown",
+						"Error"
+					],
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "Status"
+						}
+					]
+				},
+				"ANIs": {
+					"type": "string",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "string",
+					"range": [
+						{
+							"max": 1024
+						}
+					],
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "ANIs"
+						}
+					]
+				},
+				"InterdomainID": {
+					"type": "string",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "string",
+					"range": [
+						{
+							"max": 256
+						}
+					],
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "InterDomainID"
+						}
+					]
+				},
+				"InterdomainName": {
+					"type": "string",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "string",
+					"range": [
+						{
+							"max": 25
+						}
+					],
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "InterDomainName"
+						}
+					]
+				},
+				"Device.XPON.ONU.{i}.EthernetUNI.{i}.Stats.": {
+					"type": "object",
+					"protocols": [
+						"usp"
+					],
+					"access": false,
+					"array": false,
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "Stats"
+						}
+					],
+					"BytesSent": {
+						"type": "unsignedLong",
+						"read": true,
+						"write": false,
+						"protocols": [
+							"usp"
+						],
+						"datatype": "unsignedLong",
+						"mapping": [
+							{
+								"data": "@Parent",
+								"type": "json",
+								"key": "Stats.BytesSent"
+							}
+						]
+					},
+					"BytesReceived": {
+						"type": "unsignedLong",
+						"read": true,
+						"write": false,
+						"protocols": [
+							"usp"
+						],
+						"datatype": "unsignedLong",
+						"mapping": [
+							{
+								"data": "@Parent",
+								"type": "json",
+								"key": "Stats.BytesReceived"
+							}
+						]
+					},
+					"PacketsSent": {
+						"type": "unsignedLong",
+						"read": true,
+						"write": false,
+						"protocols": [
+							"usp"
+						],
+						"datatype": "unsignedLong",
+						"mapping": [
+							{
+								"data": "@Parent",
+								"type": "json",
+								"key": "Stats.PacketsSent"
+							}
+						]
+					},
+					"PacketsReceived": {
+						"type": "unsignedLong",
+						"read": true,
+						"write": false,
+						"protocols": [
+							"usp"
+						],
+						"datatype": "unsignedLong",
+						"mapping": [
+							{
+								"data": "@Parent",
+								"type": "json",
+								"key": "Stats.PacketsReceived"
+							}
+						]
+					}
+				}
+			},
+			"Device.XPON.ONU.{i}.ANI.{i}.": {
+				"type": "object",
+				"protocols": [
+					"usp"
+				],
+				"access": false,
+				"array": true,
+				"mapping": [
+					{
+						"type": "ubus",
+						"ubus": {
+							"object": "xpon",
+							"method": "status",
+							"args": {},
+							"key": "ONU[@index].ANI"
+						}
+					}
+				],
+				"Enable": {
+					"type": "boolean",
+					"read": true,
+					"write": true,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "boolean",
+					"mapping": [
+						{
+							"rpc": "get",
+							"data": "@Parent",
+							"type": "json",
+							"key": "Enable"
+						},
+						{
+							"rpc": "set",
+							"type": "uci",
+							"uci": {
+								"file": "xpon",
+								"section": {
+									"name": "ani"
+								},
+								"option": {
+									"name": "enable"
+								}
+							}
+						}
+					]
+				},
+				"Status": {
+					"type": "string",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "string",
+					"enumerations": [
+						"Up",
+						"Down",
+						"Dormant",
+						"Unknown",
+						"NotPresent",
+						"Error"
+					],
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "Status"
+						}
+					]
+				},
+				"PONMode": {
+					"type": "string",
+					"read": true,
+					"write": false,
+					"protocols": [
+						"usp"
+					],
+					"datatype": "string",
+					"enumerations": [
+						"GPON",
+						"XG-PON",
+						"NG-PON2",
+						"XGS-PON"
+					],
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "PONMode"
+						}
+					]
+				},
+				"Device.XPON.ONU.{i}.ANI.{i}.Stats.": {
+					"type": "object",
+					"protocols": [
+						"usp"
+					],
+					"access": false,
+					"array": false,
+					"mapping": [
+						{
+							"data": "@Parent",
+							"type": "json",
+							"key": "Stats"
+						}
+					],
+					"BytesSent": {
+						"type": "unsignedLong",
+						"read": true,
+						"write": false,
+						"protocols": [
+							"usp"
+						],
+						"datatype": "unsignedLong",
+						"mapping": [
+							{
+								"data": "@Parent",
+								"type": "json",
+								"key": "Stats.BytesSent"
+							}
+						]
+					},
+					"BytesReceived": {
+						"type": "unsignedLong",
+						"read": true,
+						"write": false,
+						"protocols": [
+							"usp"
+						],
+						"datatype": "unsignedLong",
+						"mapping": [
+							{
+								"data": "@Parent",
+								"type": "json",
+								"key": "Stats.BytesReceived"
+							}
+						]
+					},
+					"PacketsSent": {
+						"type": "unsignedLong",
+						"read": true,
+						"write": false,
+						"protocols": [
+							"usp"
+						],
+						"datatype": "unsignedLong",
+						"mapping": [
+							{
+								"data": "@Parent",
+								"type": "json",
+								"key": "Stats.PacketsSent"
+							}
+						]
+					},
+					"PacketsReceived": {
+						"type": "unsignedLong",
+						"read": true,
+						"write": false,
+						"protocols": [
+							"usp"
+						],
+						"datatype": "unsignedLong",
+						"mapping": [
+							{
+								"data": "@Parent",
+								"type": "json",
+								"key": "Stats.PacketsReceived"
+							}
+						]
+					}
+				}
+			}
+		}
+	}
+}
+