diff --git a/Layout/default/Pop/Detail.php b/Layout/default/Pop/Detail.php
index e914390de..15e183b30 100644
--- a/Layout/default/Pop/Detail.php
+++ b/Layout/default/Pop/Detail.php
@@ -97,6 +97,12 @@
         background-color: #d7d7d7;
         opacity: 1;
     }
+    .switch-rack-side {
+        margin-right: 8px;
+        margin-top: 2px;
+        cursor: pointer;
+    }
+
 </style>
 <div class="row">
     <div class="col-12">
@@ -339,6 +345,7 @@ if (!empty(trim($pops->vlan_ipv6)))
                         <div class="col-lg-1"></div>
                         <label class="col-lg-4 col-form-label" for="module-slot">19 Zoll Position</label>
                         <div class="col-lg-3">
+                            <input type="hidden" value="front" id="module-side" name="module-side"/>
                             <select required="required" id="module-slot" name="module-slot"
                                     class="form-control">
                                 <option value="1">1</option>
@@ -483,13 +490,15 @@ if (!empty(trim($pops->vlan_ipv6)))
                                                     data-rackhe="<?= $poprack['rack']['he'] ?>"
                                                     data-rackid="<?= $poprack['rack']['id']; ?>"><span
                                                             class="rack-name"><i
-                                                                class="fa-regular fa-arrows-up-down-left-right move-handle float-left"></i><?= $poprack['rack']['name']; ?></span>
+                                                                class="fa-regular fa-arrows-up-down-left-right move-handle float-left"></i><?= $poprack['rack']['name']; ?>&nbsp;<span class="rack-side-indicator font-weight-normal">-&nbsp;Vorderseite</span></span>
+                                                    <i class="fas fa-sync-alt float-right switch-rack-side" title="Seite wechseln"></i>
+
                                                     <i class="far fa-edit float-right" title="Bearbeiten"
                                                        data-toggle="modal" data-target="#rackModal"></i>
                                                 </th>
                                             </tr>
                                             </thead>
-                                            <tbody>
+                                            <tbody id="rack-body-<?= $poprack['rack']['id'] ?>" data-side="front">
                                             <?php
                                             $cellwidth = 227;
                                             $blocktd = 0;
@@ -499,7 +508,8 @@ if (!empty(trim($pops->vlan_ipv6)))
                                                         data-toggle="modal" data-target="#rackModuleModal"
                                                         style="cursor: pointer" data-he="<?= $i; ?>">He<?= $i; ?></td>
                                                     <?php
-                                                    foreach ($poprack['modules'] as $module) {
+                                                    $modules_to_render = $poprack['modules']['front'] ?? [];
+                                                    foreach ($modules_to_render as $module) {
 
                                                         if ($module['start_he'] == $i) {
                                                             $modulestart = 1;
@@ -511,6 +521,7 @@ if (!empty(trim($pops->vlan_ipv6)))
                                                             $extText = "";
                                                             $extTextspan = "";
                                                             foreach ($module['slots'] as $slots) {
+                                                                var_dump();
                                                                 $extText = "";
                                                                 $title = $slots['modulname'];
                                                                 if ($slots['type'] == '0') {
diff --git a/application/Poprack/PoprackController.php b/application/Poprack/PoprackController.php
index 9a2a51476..5e5998af1 100644
--- a/application/Poprack/PoprackController.php
+++ b/application/Poprack/PoprackController.php
@@ -119,6 +119,7 @@ class PoprackController extends mfBaseController
     private function generateRack()
     {
         $id = $this->request->id;
+        $side=$this->request->side;
         $cellwidth = 227;
         $blocktd = 0;
         $poprack = PoprackModel::getAllbyRack($id);
@@ -130,7 +131,7 @@ class PoprackController extends mfBaseController
         <td class="border-right w-15 p-0 pl-1 pr-1 border-bottom font-13 rack-he user-select-none"
             data-toggle="modal" data-target="#rackModuleModal"
             style="cursor: pointer" data-he="' . $i . '">He' . $i . '</td>';
-            foreach ($poprack[0]['modules'] as $module) {
+            foreach ($poprack[0][$side]['modules'] as $module) {
 
                 if ($module['start_he'] == $i) {
                     $modulestart = 1;
diff --git a/application/Poprack/PoprackModel.php b/application/Poprack/PoprackModel.php
index 0980ea6fe..51a9ac262 100644
--- a/application/Poprack/PoprackModel.php
+++ b/application/Poprack/PoprackModel.php
@@ -48,11 +48,11 @@ class PoprackModel
         $items = [];
 
         $db = FronkDB::singleton();
-        $sql = "(SELECT `Poprackmodule`.`type`,`Poprack`.`id`,`Poprack`.`sort`, `Poprack`.`name`, `Poprack`.`he`,`Poprackmodule`.start_he,`Poprackmodule`.end_he,`Poprackmodule`.`name` as `modulname`,device_id ,`Poprackmodule`.`id` as moduleid,`Poprackmodule`.`width` as modulewidth,`Poprackmodule`.`position` as moduleposition,`Poprackmodule`.`ports` as moduleports,`Poprackmodule`.`plug` as moduleplug FROM `Poprack`  
+        $sql = "(SELECT `Poprackmodule`.`type`,`Poprack`.`id`,`Poprack`.`sort`, `Poprack`.`name`, `Poprack`.`he`,`Poprackmodule`.start_he,`Poprackmodule`.end_he,`Poprackmodule`.`name` as `modulname`,device_id ,`Poprackmodule`.`id` as moduleid,`Poprackmodule`.`width` as modulewidth,`Poprackmodule`.`position` as moduleposition,`Poprackmodule`.`side` as moduleside,`Poprackmodule`.`ports` as moduleports,`Poprackmodule`.`plug` as moduleplug FROM `Poprack`  
                 LEFT JOIN `Poprackmodule` ON (`Poprackmodule`.`poprack_id`=`Poprack`.`id` AND `Poprackmodule`.`type`!=1)
                 WHERE `Poprack`.`pop_id`='" . $pop_id . "'  ORDER by `Poprack`.`sort`,`Poprack`.`name`,`Poprackmodule`.start_he,`Poprackmodule`.position)
                  UNION
-                (SELECT `Poprackmodule`.`type`,`Poprack`.`id`,`Poprack`.`sort`, `Poprack`.`name`, `Poprack`.`he`,`Poprackmodule`.start_he,`Poprackmodule`.end_he,`Device`.`name` as `modulname`,device_id,`Poprackmodule`.`id` as moduleid,`Poprackmodule`.`width` as modulewidth,`Poprackmodule`.`position` as moduleposition,`Poprackmodule`.`ports` as moduleports,`Poprackmodule`.`plug` as moduleplug  FROM `Poprack`  
+                (SELECT `Poprackmodule`.`type`,`Poprack`.`id`,`Poprack`.`sort`, `Poprack`.`name`, `Poprack`.`he`,`Poprackmodule`.start_he,`Poprackmodule`.end_he,`Device`.`name` as `modulname`,device_id,`Poprackmodule`.`id` as moduleid,`Poprackmodule`.`width` as modulewidth,`Poprackmodule`.`position` as moduleposition,`Poprackmodule`.`side` as moduleside,`Poprackmodule`.`ports` as moduleports,`Poprackmodule`.`plug` as moduleplug  FROM `Poprack`  
                 LEFT JOIN `Poprackmodule` ON (`Poprackmodule`.`poprack_id`=`Poprack`.`id`  AND `Poprackmodule`.`type`=1)
                 LEFT JOIN `Device` ON (`Device`.`id`=`Poprackmodule`.`device_id`)
                 WHERE `Poprack`.`pop_id`='" . $pop_id . "'   ORDER by `Poprack`.`sort`,`Poprack`.`name`,`Poprackmodule`.start_he,`Poprackmodule`.position)
@@ -80,15 +80,15 @@ class PoprackModel
                     if ($data['device_id']) {
                         $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['device_id'] = $data['device_id'];
                     }
-                    $items[$counter]['modules'][$data['start_he']]['start_he'] = $data['start_he'];
-                    $items[$counter]['modules'][$data['start_he']]['end_he'] = $data['end_he'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['modulname'] = $data['modulname'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['moduleid'] = $data['moduleid'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['type'] = $data['type'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['width'] = $data['modulewidth'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['position'] = $data['moduleposition'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['ports'] = $data['moduleports'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['plug'] = $data['moduleplug'];
+                    $items[$counter]['modules'][$data['moduleside']][$data['start_he']]['start_he'] = $data['start_he'];
+                    $items[$counter]['modules'][$data['moduleside']][$data['start_he']]['end_he'] = $data['end_he'];
+                    $items[$counter]['modules'][$data['moduleside']][$data['start_he']]['slots'][$data['moduleid']]['modulname'] = $data['modulname'];
+                    $items[$counter]['modules'][$data['moduleside']][$data['start_he']]['slots'][$data['moduleid']]['moduleid'] = $data['moduleid'];
+                    $items[$counter]['modules'][$data['moduleside']][$data['start_he']]['slots'][$data['moduleid']]['type'] = $data['type'];
+                    $items[$counter]['modules'][$data['moduleside']][$data['start_he']]['slots'][$data['moduleid']]['width'] = $data['modulewidth'];
+                    $items[$counter]['modules'][$data['moduleside']][$data['start_he']]['slots'][$data['moduleid']]['position'] = $data['moduleposition'];
+                    $items[$counter]['modules'][$data['moduleside']][$data['start_he']]['slots'][$data['moduleid']]['ports'] = $data['moduleports'];
+                    $items[$counter]['modules'][$data['moduleside']][$data['start_he']]['slots'][$data['moduleid']]['plug'] = $data['moduleplug'];
                     $modulecounter++;
                 }
                 $oldrackid = $data['id'];
@@ -103,13 +103,12 @@ class PoprackModel
     public static function getAllbyRack($rack_id)
     {
         $items = [];
-
         $db = FronkDB::singleton();
-        $sql = "(SELECT `Poprackmodule`.`type`,`Poprack`.`id`,`Poprack`.`sort`, `Poprack`.`name`, `Poprack`.`he`,`Poprackmodule`.start_he,`Poprackmodule`.end_he,`Poprackmodule`.`name` as `modulname`,device_id ,`Poprackmodule`.`id` as moduleid,`Poprackmodule`.`width` as modulewidth,`Poprackmodule`.`position` as moduleposition,`Poprackmodule`.`ports` as moduleports,`Poprackmodule`.`plug` as moduleplug FROM `Poprack`  
+        $sql = "(SELECT `Poprackmodule`.`type`,`Poprack`.`id`,`Poprack`.`sort`, `Poprack`.`name`, `Poprack`.`he`,`Poprackmodule`.start_he,`Poprackmodule`.end_he,`Poprackmodule`.`name` as `modulname`,device_id ,`Poprackmodule`.`id` as moduleid,`Poprackmodule`.`width` as modulewidth,`Poprackmodule`.`position` as moduleposition,`Poprackmodule`.`side` as moduleside,`Poprackmodule`.`ports` as moduleports,`Poprackmodule`.`plug` as moduleplug FROM `Poprack`  
                 LEFT JOIN `Poprackmodule` ON (`Poprackmodule`.`poprack_id`=`Poprack`.`id` AND `Poprackmodule`.`type`!=1)
                 WHERE `Poprack`.`id`='" . $rack_id . "'  ORDER by `Poprack`.`sort`,`Poprack`.`name`,`Poprackmodule`.start_he,`Poprackmodule`.position)
                  UNION
-                (SELECT `Poprackmodule`.`type`,`Poprack`.`id`,`Poprack`.`sort`, `Poprack`.`name`, `Poprack`.`he`,`Poprackmodule`.start_he,`Poprackmodule`.end_he,`Device`.`name` as `modulname`,device_id,`Poprackmodule`.`id` as moduleid,`Poprackmodule`.`width` as modulewidth,`Poprackmodule`.`position` as moduleposition,`Poprackmodule`.`ports` as moduleports,`Poprackmodule`.`plug` as moduleplug  FROM `Poprack`  
+                (SELECT `Poprackmodule`.`type`,`Poprack`.`id`,`Poprack`.`sort`, `Poprack`.`name`, `Poprack`.`he`,`Poprackmodule`.start_he,`Poprackmodule`.end_he,`Device`.`name` as `modulname`,device_id,`Poprackmodule`.`id` as moduleid,`Poprackmodule`.`width` as modulewidth,`Poprackmodule`.`position` as moduleposition,`Poprackmodule`.`side` as moduleside,`Poprackmodule`.`ports` as moduleports,`Poprackmodule`.`plug` as moduleplug  FROM `Poprack`  
                 LEFT JOIN `Poprackmodule` ON (`Poprackmodule`.`poprack_id`=`Poprack`.`id`  AND `Poprackmodule`.`type`=1)
                 LEFT JOIN `Device` ON (`Device`.`id`=`Poprackmodule`.`device_id`)
                 WHERE `Poprack`.`id`='" . $rack_id . "'   ORDER by `Poprack`.`sort`,`Poprack`.`name`,`Poprackmodule`.start_he,`Poprackmodule`.position)
@@ -137,15 +136,15 @@ class PoprackModel
                     if ($data['device_id']) {
                         $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['device_id'] = $data['device_id'];
                     }
-                    $items[$counter]['modules'][$data['start_he']]['start_he'] = $data['start_he'];
-                    $items[$counter]['modules'][$data['start_he']]['end_he'] = $data['end_he'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['modulname'] = $data['modulname'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['moduleid'] = $data['moduleid'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['type'] = $data['type'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['width'] = $data['modulewidth'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['position'] = $data['moduleposition'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['ports'] = $data['moduleports'];
-                    $items[$counter]['modules'][$data['start_he']]['slots'][$data['moduleid']]['plug'] = $data['moduleplug'];
+                    $items[$counter][$data['moduleside']]['modules'][$data['start_he']]['start_he'] = $data['start_he'];
+                    $items[$counter][$data['moduleside']]['modules'][$data['start_he']]['end_he'] = $data['end_he'];
+                    $items[$counter][$data['moduleside']]['modules'][$data['start_he']]['slots'][$data['moduleid']]['modulname'] = $data['modulname'];
+                    $items[$counter][$data['moduleside']]['modules'][$data['start_he']]['slots'][$data['moduleid']]['moduleid'] = $data['moduleid'];
+                    $items[$counter][$data['moduleside']]['modules'][$data['start_he']]['slots'][$data['moduleid']]['type'] = $data['type'];
+                    $items[$counter][$data['moduleside']]['modules'][$data['start_he']]['slots'][$data['moduleid']]['width'] = $data['modulewidth'];
+                    $items[$counter][$data['moduleside']]['modules'][$data['start_he']]['slots'][$data['moduleid']]['position'] = $data['moduleposition'];
+                    $items[$counter][$data['moduleside']]['modules'][$data['start_he']]['slots'][$data['moduleid']]['ports'] = $data['moduleports'];
+                    $items[$counter][$data['moduleside']]['modules'][$data['start_he']]['slots'][$data['moduleid']]['plug'] = $data['moduleplug'];
                     $modulecounter++;
                 }
                 $oldrackid = $data['id'];
diff --git a/application/Poprackmodule/PoprackmoduleController.php b/application/Poprackmodule/PoprackmoduleController.php
index 9e20333da..31fd67185 100644
--- a/application/Poprackmodule/PoprackmoduleController.php
+++ b/application/Poprackmodule/PoprackmoduleController.php
@@ -53,6 +53,7 @@ class PoprackmoduleController extends mfBaseController
         $data['end_he'] = $r->end_he;
         $data['width'] = $r->width;
         $data['position'] = ($r->position) ? $r->position : null;
+        $data['side'] = ($r->side) ? $r->side : 'front';
 
         $poprackmodule = PoprackmoduleModel::create($data);
 
diff --git a/application/Poprackmodule/PoprackmoduleModel.php b/application/Poprackmodule/PoprackmoduleModel.php
index 91e64be1f..722224fa1 100644
--- a/application/Poprackmodule/PoprackmoduleModel.php
+++ b/application/Poprackmodule/PoprackmoduleModel.php
@@ -13,6 +13,7 @@ class PoprackmoduleModel
     public $ports = null;
     public $plug = null;
     public $position = null;
+    public $side = null;
     public $create_by = null;
     public $edit_by = null;
     public $create = null;
diff --git a/db/migrations/20250826143629_poprack_module_add_side.php b/db/migrations/20250826143629_poprack_module_add_side.php
new file mode 100644
index 000000000..11fbe3329
--- /dev/null
+++ b/db/migrations/20250826143629_poprack_module_add_side.php
@@ -0,0 +1,31 @@
+<?php
+declare(strict_types=1);
+
+use Phinx\Migration\AbstractMigration;
+
+final class PoprackModuleAddSide extends AbstractMigration
+{
+    public function up(): void
+    {
+        if($this->getEnvironment() == "thetool") {
+            $table = $this->table("Poprackmodule");
+            $table->addColumn("side", "enum", ['values' => ['front', 'back'],'null' => false,'default' => 'front', "after" => "position"]);
+            $table->update();
+        }
+        
+        if($this->getEnvironment() == "addressdb") {
+          
+        }
+    }
+
+    public function down(): void
+    {
+        if($this->getEnvironment() == "thetool") {
+            $this->table("Poprackmodule")->removeColumn("side")->save();
+        }
+        
+        if($this->getEnvironment() == "addressdb") {
+          
+        }
+    }
+}
diff --git a/public/js/pages/pop/detail.js b/public/js/pages/pop/detail.js
index 57e7df7f6..0c192c305 100644
--- a/public/js/pages/pop/detail.js
+++ b/public/js/pages/pop/detail.js
@@ -79,6 +79,7 @@ $(document).ready(function () {
         var hemaxcount = 1;
         var hemaxcountactive = 1;
         var edit = 0;
+        var side = trigger.closest('tbody').data('side');
         $('#module-type option').prop('disabled', false);
         var parent = trigger.closest('tr');
         if (trigger.closest('tr').find('td').eq(1).html() === undefined) {
@@ -130,10 +131,7 @@ $(document).ready(function () {
                     $('#module-ports').val(parent.find('td').eq(1).data('ports')).change();
                     $('#module-plug').val(parent.find('td').eq(1).data('plug'));
                 }
-                //$('#module-type').attr('disabled', 'disabled');
-
                 $('#module-name').val(parent.find('td').eq(1).data('name'));
-                // $('#module-name').attr('disabled', 'disabled');
                 $('#module-type option[value="1"]').prop('disabled', true);
 
 
@@ -207,6 +205,7 @@ $(document).ready(function () {
 
             }
         }
+        $('#module-side').val(side);
     });
 
     $("body").on("change", "#module-type", function () {
@@ -272,6 +271,7 @@ $(document).ready(function () {
 
         if (!error) {
             $.post(linkAddModule + "&poprack_id=" + rackid, {
+                side: $.trim($('#module-side').val()),
                 type: $.trim($('#module-type').val()),
                 device_id: $.trim($('#module-device-id').val()),
                 name: $.trim($('#module-name').val()),
@@ -285,7 +285,8 @@ $(document).ready(function () {
             }, function (data) {
                 if (data.success === true) {
                     $('#rackModuleModal').modal('toggle');
-                    $.get(linkGenerateRack + "&id=" + rackid, function (data, status) {
+                    var currentSide = trigger.closest('tbody').data('side');
+                    $.get(linkGenerateRack + "&id=" + rackid + "&side=" + currentSide, function (data, status) {
                         trigger.closest('tbody').html(data);
                     });
                 }
@@ -299,12 +300,13 @@ $(document).ready(function () {
         var moduleid = $(this).data('moduleid');
         var rackid = trigger.closest('table').find('th').data('rackid');
         if (confirm("Modul entfernen?")) {
+            let side = trigger.closest('tbody').data('side');
             $.post(linkRemoveModule, {
                 id: moduleid
             }, function (data) {
                 if (data.success === true) {
                     $('#rackModuleModal').modal('toggle');
-                    $.get(linkGenerateRack + "&id=" + rackid, function (data, status) {
+                    $.get(linkGenerateRack + "&id=" + rackid + "&side=" + side, function (data, status) {
                         trigger.closest('tbody').html(data);
                     });
                 }
@@ -315,6 +317,7 @@ $(document).ready(function () {
         var moduleid = $(this).data('moduleid');
         var rackid = trigger.closest('table').find('th').data('rackid');
         var error;
+        let side = trigger.closest('tbody').data('side');
         if (!$.trim($('#module-name').val())) {
             error = "Modul Name darf nicht leer sein";
         }
@@ -328,7 +331,7 @@ $(document).ready(function () {
             }, function (data) {
                 if (data.success === true) {
                     $('#rackModuleModal').modal('toggle');
-                    $.get(linkGenerateRack + "&id=" + rackid, function (data, status) {
+                    $.get(linkGenerateRack + "&id=" + rackid + "&side=" + side, function (data, status) {
                         trigger.closest('tbody').html(data);
                     });
                 }
@@ -532,6 +535,38 @@ $(document).ready(function () {
             $('#module-device-text').hide();
         }
     });
+    $("body").on("click", ".switch-rack-side", function () {
+        var icon = $(this);
+        var rackTh = icon.closest('th');
+        var rackId = rackTh.data('rackid');
+        var rackTable = icon.closest('table');
+        var rackBody = rackTable.find('tbody');
+        var sideIndicator = rackTh.find('.rack-side-indicator');
 
+        var currentSide = rackBody.data('side');
+        var newSide = (currentSide === 'front') ? 'back' : 'front';
+        if (icon.hasClass('is-loading')) {
+            return;
+        }
+        icon.addClass('is-loading fa-spin');
+        rackTable.fadeOut(150, function () {
+            $.get(linkGenerateRack + "&id=" + rackId + "&side=" + newSide, function (data, status) {
+                rackBody.html(data);
+                rackBody.data('side', newSide);
+
+                if (newSide === 'front') {
+                    sideIndicator.text('- Vorderseite');
+                } else {
+                    sideIndicator.text('- Rückseite');
+                }
+                rackTable.fadeIn(150);
+            }).fail(function () {
+                rackBody.html('<tr><td colspan="13" class="text-center text-danger p-3">Fehler beim Laden.</td></tr>');
+                rackTable.fadeIn(150);
+            }).always(function () {
+                icon.removeClass('is-loading fa-spin');
+            });
+        });
+    });
 
 });
\ No newline at end of file