diff --git a/.env.development b/.env.development
index 5735555..c65de41 100644
--- a/.env.development
+++ b/.env.development
@@ -6,6 +6,6 @@ NEXT_PUBLIC_USE_MOCK_BACKEND_LOOP_START=false
 NEXT_PUBLIC_EXPORT_STATIC=false
 NEXT_PUBLIC_USE_CGI=false
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.824
+NEXT_PUBLIC_APP_VERSION=1.6.825
 NEXT_PUBLIC_CPL_MODE=json   # json (Entwicklungsumgebung) oder jsSimulatedProd (CPL ->CGI-Interface-Simulator) oder production (CPL-> CGI-Interface Platzhalter)
 
diff --git a/.env.production b/.env.production
index e910fcb..fa5276e 100644
--- a/.env.production
+++ b/.env.production
@@ -5,5 +5,5 @@ NEXT_PUBLIC_CPL_API_PATH=/CPL
 NEXT_PUBLIC_EXPORT_STATIC=true
 NEXT_PUBLIC_USE_CGI=true
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.824
+NEXT_PUBLIC_APP_VERSION=1.6.825
 NEXT_PUBLIC_CPL_MODE=production
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3751b8d..df21e15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## [1.6.825] – 2025-09-03
+
+- refactor(api): Legacy-Fallback entfernt; nur noch chartsData/cable-monitoring-data
+
+---
 ## [1.6.824] – 2025-09-03
 
 - fix: AnalogInputsView.tsx style
diff --git a/mocks/api/SERVICE/digitalOutputsMockData.json b/mocks/api/SERVICE/digitalOutputsMockData.json
deleted file mode 100644
index 82ca07e..0000000
--- a/mocks/api/SERVICE/digitalOutputsMockData.json
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-  "win_da_state": [
-    1,
-    0,
-    1,
-    1
-  ],
-  "win_da_bezeichnung": [
-    "Ausgang2",
-    "Ausgang2",
-    "Ausgang3",
-    "Ausgang4"
-  ]
-}
\ No newline at end of file
diff --git a/mocks/device-cgi-simulator/SERVICE/digitalOutputsMockData.json b/mocks/device-cgi-simulator/SERVICE/digitalOutputsMockData.json
index d172927..42fdc84 100644
--- a/mocks/device-cgi-simulator/SERVICE/digitalOutputsMockData.json
+++ b/mocks/device-cgi-simulator/SERVICE/digitalOutputsMockData.json
@@ -1,4 +1,14 @@
 {
-  "win_da_state": [1, 1, 1, 1],
-  "win_da_bezeichnung": ["Ausgang1", "Ausgang2", "Ausgang3", "Ausgang4"]
-}
+  "win_da_state": [
+    1,
+    1,
+    1,
+    1
+  ],
+  "win_da_bezeichnung": [
+    "Ausgang1",
+    "Ausgang2",
+    "Ausgang3",
+    "Ausgang4"
+  ]
+}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index f4f6e05..1b438ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.824",
+  "version": "1.6.825",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cpl-v4",
-      "version": "1.6.824",
+      "version": "1.6.825",
       "dependencies": {
         "@fontsource/roboto": "^5.1.0",
         "@headlessui/react": "^2.2.4",
diff --git a/package.json b/package.json
index b6c99c0..1f41423 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.824",
+  "version": "1.6.825",
   "private": true,
   "scripts": {
     "dev": "next dev -p 3000",
diff --git a/pages/api/cpl/updateDigitalOutputsHandler.ts b/pages/api/cpl/updateDigitalOutputsHandler.ts
index bf32ebd..c97cd06 100644
--- a/pages/api/cpl/updateDigitalOutputsHandler.ts
+++ b/pages/api/cpl/updateDigitalOutputsHandler.ts
@@ -25,10 +25,11 @@ export default function handler(req: NextApiRequest, res: NextApiResponse) {
   let filePath = "";
 
   if (mode === "json") {
+    // Schreibe in die kanonische JSON-Datei im device-cgi-simulator-Verzeichnis
     filePath = path.join(
       process.cwd(),
       "mocks",
-      "api",
+      "device-cgi-simulator",
       "SERVICE",
       "digitalOutputsMockData.json"
     );