diff --git a/frontend/src/app/features/schema/edges/edge-config.ts b/frontend/src/app/features/schema/edges/edge-config.ts
index 63f180a..10913c0 100644
--- a/frontend/src/app/features/schema/edges/edge-config.ts
+++ b/frontend/src/app/features/schema/edges/edge-config.ts
@@ -21,7 +21,15 @@ export function createEdgeConfig(
 
   const router =
     routerType === 'manhattan'
-      ? { name: 'manhattan' as const, args: { padding: 20 } }
+      ? {
+          name: 'manhattan' as const,
+          args: {
+            padding: 20,
+            excludeTerminals: ['source' as const, 'target' as const],
+            excludeShapes: ['site-node'],
+            step: 10,
+          },
+        }
       : { name: 'normal' as const };
 
   return {
diff --git a/frontend/src/app/features/schema/graph/init-graph.ts b/frontend/src/app/features/schema/graph/init-graph.ts
index 1a59ad3..232a7de 100644
--- a/frontend/src/app/features/schema/graph/init-graph.ts
+++ b/frontend/src/app/features/schema/graph/init-graph.ts
@@ -36,7 +36,15 @@ export function initGraph(
       allowMulti: true,
       allowPort: true,
       highlight: true,
-      router: { name: 'manhattan' },
+      router: {
+        name: 'manhattan',
+        args: {
+          padding: 20,
+          excludeTerminals: ['source', 'target'],
+          excludeShapes: ['site-node'],
+          step: 10,
+        },
+      },
       connector: { name: 'rounded', args: { radius: 8 } },
       connectionPoint: 'anchor',
       anchor: 'center',
@@ -52,7 +60,15 @@ export function initGraph(
               sourceMarker: null,
             },
           },
-          router: { name: 'manhattan' },
+          router: {
+            name: 'manhattan',
+            args: {
+              padding: 20,
+              excludeTerminals: ['source', 'target'],
+              excludeShapes: ['site-node'],
+              step: 10,
+            },
+          },
           connector: { name: 'rounded', args: { radius: 8 } },
         });
       },
diff --git a/frontend/src/app/mock/schema-data.ts b/frontend/src/app/mock/schema-data.ts
index ac98777..d1863ea 100644
--- a/frontend/src/app/mock/schema-data.ts
+++ b/frontend/src/app/mock/schema-data.ts
@@ -8,7 +8,7 @@ import {
   LineType,
 } from '../types/index';
 
-export const mockData: SchemaData = {
+const baseMockData: SchemaData = {
   sites: [
     {
       id: 'site-1',
@@ -1508,3 +1508,89 @@ export const mockData: SchemaData = {
     { id: 'fiber-3', name: 'Волокно 3', status: EntityStatus.Active, lineId: 'line-14', portAId: 'p-c3-l6', portZId: 'p-xdsl-4' },
   ],
 };
+
+const SITE_NAMES: Record<string, { name: string; address: string }> = {
+  'site-1': { name: 'Узел связи Промышленный', address: 'ул. Заводская, 101' },
+  'site-2': { name: 'Узел связи Речной', address: 'наб. Речная, 115' },
+  'site-3': { name: 'Узел связи Аэропорт', address: 'Аэропортовская, 142' },
+  'site-4': { name: 'Узел связи Университетский', address: 'пр. Науки, 107' },
+  'site-5': { name: 'Узел связи Вокзальный', address: 'Привокзальная пл., 122' },
+  'site-1-1': { name: 'Подузел Складской', address: 'ул. Заводская, 101а' },
+  'site-1-2': { name: 'Подузел Причальный', address: 'ул. Заводская, 101б' },
+  'site-2-1': { name: 'Подузел Терминальный', address: 'наб. Речная, 115а' },
+  'site-4-1': { name: 'Подузел Лабораторный', address: 'пр. Науки, 107а' },
+  'site-5-1': { name: 'Подузел Депо', address: 'Привокзальная пл., 122б' },
+};
+
+function duplicateData(data: SchemaData): SchemaData {
+  const P = 'd-';
+  const r = (id: string): string => P + id;
+  const rn = (id: string | null): string | null => (id ? r(id) : null);
+
+  const shiftIp = (ip: string): string => {
+    if (!ip) return '';
+    return ip.replace(/^10\.0\.(\d+)/, (_, n) => `10.1.${n}`);
+  };
+
+  const shiftCode = (code: string): string =>
+    code.replace(/(\d+)$/, (m) => String(parseInt(m, 10) + 100).padStart(3, '0'));
+
+  const newSites = data.sites.map((s) => ({
+    ...s,
+    id: r(s.id),
+    name: SITE_NAMES[s.id]?.name ?? s.name,
+    address: SITE_NAMES[s.id]?.address ?? s.address,
+    erpCode: shiftCode(s.erpCode),
+    code1C: shiftCode(s.code1C),
+    parentSiteId: rn(s.parentSiteId),
+  }));
+
+  const newDevices = data.devices.map((d) => ({
+    ...d,
+    id: r(d.id),
+    ipAddress: shiftIp(d.ipAddress),
+    id1: shiftCode(d.id1),
+    id2: d.id2 ? shiftCode(d.id2) : '',
+    siteId: r(d.siteId),
+  }));
+
+  const newCards = data.cards.map((c) => ({
+    ...c,
+    id: r(c.id),
+    deviceId: r(c.deviceId),
+  }));
+
+  const newPorts = data.ports.map((p) => ({
+    ...p,
+    id: r(p.id),
+    deviceId: r(p.deviceId),
+    cardId: rn(p.cardId),
+  }));
+
+  const newLines = data.lines.map((l) => ({
+    ...l,
+    id: r(l.id),
+    name: l.name,
+    portAId: r(l.portAId),
+    portZId: r(l.portZId),
+  }));
+
+  const newFibers = data.fibers.map((f) => ({
+    ...f,
+    id: r(f.id),
+    lineId: r(f.lineId),
+    portAId: r(f.portAId),
+    portZId: r(f.portZId),
+  }));
+
+  return {
+    sites: [...data.sites, ...newSites],
+    devices: [...data.devices, ...newDevices],
+    cards: [...data.cards, ...newCards],
+    ports: [...data.ports, ...newPorts],
+    lines: [...data.lines, ...newLines],
+    fibers: [...data.fibers, ...newFibers],
+  };
+}
+
+export const mockData: SchemaData = duplicateData(baseMockData);