diff --git a/docs/manuals/user/old/pon-requirements/reference-inband.svg b/docs/manuals/user/old/pon-requirements/reference-inband.svg
new file mode 100644
index 0000000..af91109
--- /dev/null
+++ b/docs/manuals/user/old/pon-requirements/reference-inband.svg
@@ -0,0 +1,172 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
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+      <feGaussianBlur id="feGaussianBlur3780" inkspace:collect="always" stdDeviation="4.2" />
+    </filter>
+  </defs>
+  <title>blockdiag</title>
+  <desc>blockdiag {
+
+    //orientation = portrait;
+
+    // Blocks used
+    SDN [label = "SDN\nController", width = 64];
+    M [label = "PON\nManager", width = 64];
+    V [label = "Voltha\nCore &amp; NBI", width = 74];
+    A [label = "OLT\nAdapter", width = 64];
+    A2 [label = "ONU\nAdapter", width = 64];
+    U [label = "Upstream\nNetwork", width = 64];
+    L2 [label = "L2 Aggr.", width = 64, shape = cloud];
+    OL [label = OLT, width = 64];
+    ON [label = ONU, width = 64];
+    R [label = RG, width = 64];
+
+    U &lt;-&gt; L2 [label = Pd];
+    L2 &lt;-&gt; OL [label = Pu];
+    OL &lt;-&gt; ON;
+    ON &lt;-&gt; R [label = Pr];
+    M &lt;-&gt; V [label = Pv, folded];
+    M &lt;-&gt; SDN;
+    SDN &lt;-&gt; V [label = Pv, folded];
+    V &lt;-&gt; A [label = Pa];
+    V &lt;-&gt; A2;
+    A &lt;-&gt; L2 [label = Pc];
+
+    group {
+        label = "Voltha Deployed on Compute Cluster with Inband Access to OLTs"
+        SDN; M; V; A; A2; U; L2; OL; ON; R;
+        color = "#FFFFFF";
+        fontsize = 24;
+
+        group {
+            label = "Voltha";
+            color = "#AAAAFF"
+            V; A; A2;
+        }
+
+        group {
+            label = "PON Network";
+            OL; ON;
+        }
+    }
+}
+
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