diff --git a/osect_sensor/Application/edge_cron/common/common_config.py b/osect_sensor/Application/edge_cron/common/common_config.py
old mode 100644
new mode 100755
index 8c2e034..a44c132
--- a/osect_sensor/Application/edge_cron/common/common_config.py
+++ b/osect_sensor/Application/edge_cron/common/common_config.py
@@ -86,3 +86,6 @@
 
 SEND_REQUST_TIMEOUT = 180
 """ ログ送信時のタイムアウト値 """
+
+IS_CLOSED_NETWORK = True
+""" ログ送信時のタイムアウト値 """
diff --git a/osect_sensor/Application/edge_cron/cron/management/commands/pcap_to_log_to_server.py b/osect_sensor/Application/edge_cron/cron/management/commands/pcap_to_log_to_server.py
index 2e1c933..9f806fb 100755
--- a/osect_sensor/Application/edge_cron/cron/management/commands/pcap_to_log_to_server.py
+++ b/osect_sensor/Application/edge_cron/cron/management/commands/pcap_to_log_to_server.py
@@ -47,6 +47,7 @@
     API_URL,
     LABEL_ID,
     CLIENT_CERTIFICATE_PATH,
+    IS_CLOSED_NETWORK,
 )
 
 # from common.common_function import pcap2log
@@ -147,17 +148,21 @@ def handle(self, *args, **options):
         # logger.info("sleep " + str(sleep_time) + "s")
 
         try:
-            # コア網チェック
-            with serial.Serial('/dev/ttyUSB1', baudrate=115200, timeout=1) as sara:
-                sara.write(b'at\r\n')
-                b=sara.read(16)
-                cnum=b.decode().split("\n")
-
-            if "OK\r" in cnum:
+            if IS_CLOSED_NETWORK:
+                # コア網チェック
+                with serial.Serial('/dev/ttyUSB1', baudrate=115200, timeout=1) as sara:
+                    sara.write(b'at\r\n')
+                    b=sara.read(16)
+                    cnum=b.decode().split("\n")
+
+                if "OK\r" in cnum:
+                    # ログ送信
+                    send_server(tar_list)
+                else:
+                    logger.error("can not send compressed file. Unable to connect to closed network. ")
+            else:
                 # ログ送信
                 send_server(tar_list)
-            else:
-                logger.error("can not send compressed file. Unable to connect to closed network. ")
         except Exception as e:
             logger.error("can not send compressed file. " + str(e))
 
diff --git a/osect_sensor/README.md b/osect_sensor/README.md
old mode 100644
new mode 100755
index fcc0cb4..1416c3d
--- a/osect_sensor/README.md
+++ b/osect_sensor/README.md
@@ -201,6 +201,39 @@ NTT Comから提供されたクライアント証明書を以下に格納しま
 $ ~/osect_sensor/keys/client.pem
 ```
 
+### 3.5. ログ送信方式の設定
+
+有線経由でログを送信する場合は以下の設定をします。
+
+設定ファイル:
+
+```bash
+$ vi Application/edge_cron/common/common_config.py
+```
+
+変更箇所:
+
+```python
+IS_CLOSED_NETWORK = True
+↓
+IS_CLOSED_NETWORK = False
+```
+
+設定ファイル:
+
+```bash
+$ vi docker-compose.yml
+```
+
+変更箇所:
+
+```yml
+    devices:
+      - "/dev/ttyUSB1:/dev/ttyUSB1"
+↓
+（削除）
+```
+
 ## 4. コンテナの構築・起動
 
 コンテナを構築、起動します。