diff --git a/pocket/iorx.lua b/pocket/iorx.lua
index ff72c7d..e503f6f 100644
--- a/pocket/iorx.lua
+++ b/pocket/iorx.lua
@@ -2,10 +2,13 @@
 -- I/O Control's Data Receive (Rx) Handlers
 --
 
+local comms = require("scada-common.comms")
 local const = require("scada-common.constants")
 local types = require("scada-common.types")
 local util  = require("scada-common.util")
 
+local DEV_TYPE = comms.DEVICE_TYPE
+
 local ALARM = types.ALARM
 local ALARM_STATE = types.ALARM_STATE
 
@@ -878,28 +881,51 @@ local comp_record = {}
 function iorx.record_network_data(data)
     local ps        = io.facility.ps
     local connected = {}
+    local crd_online = false
+
+    ps.publish("comp_online", #data)
 
     -- add/update connected computers
     for i = 1, #data do
         local entry = data[i]
+        local type  = entry[1]
         local id    = entry[2]
         local pfx   = "comp_" .. id
 
         connected[id] = true
 
-        ps.publish(pfx .. "_type", entry[1])
-        ps.publish(pfx .. "_addr", id)
-        ps.publish(pfx .. "_fw", entry[3])
-        ps.publish(pfx .. "_rtt", entry[4])
+        if type == DEV_TYPE.SVR then
+            ps.publish("comp_svr_addr", id)
+            ps.publish("comp_svr_fw", entry[3])
+        elseif type == DEV_TYPE.CRD then
+            crd_online = true
+            ps.publish("comp_crd_addr", id)
+            ps.publish("comp_crd_fw", entry[3])
+            ps.publish("comp_crd_rtt", entry[4])
+        else
+            ps.publish(pfx .. "_type", entry[1])
+            ps.publish(pfx .. "_addr", id)
+            ps.publish(pfx .. "_fw", entry[3])
+            ps.publish(pfx .. "_rtt", entry[4])
 
-        if not comp_record[id] then
-            comp_record[id] = true
+            if not comp_record[id] then
+                comp_record[id] = true
 
-            -- trigger the app to create the new element
-            ps.publish("comp_connect", id)
+                -- trigger the app to create the new element
+                ps.publish("comp_connect", id)
+            end
         end
     end
 
+    -- handle the coordinator being online or not
+    -- no need to worry about the supervisor since this data is from the supervisor, so it has to be 'online' if received
+    ps.publish("comp_crd_online", crd_online)
+    if not crd_online then
+        ps.publish("comp_crd_addr", "---")
+        ps.publish("comp_crd_fw", "---")
+        ps.publish("comp_crd_rtt", "---")
+    end
+
     -- reset the published value
     ps.publish("comp_connect", false)
 
diff --git a/pocket/ui/apps/comps.lua b/pocket/ui/apps/comps.lua
index 8e0c595..4b68d69 100644
--- a/pocket/ui/apps/comps.lua
+++ b/pocket/ui/apps/comps.lua
@@ -19,7 +19,7 @@ local TextBox      = require("graphics.elements.TextBox")
 
 local WaitingAnim  = require("graphics.elements.animations.Waiting")
 
-local RadIndicator = require("graphics.elements.indicators.RadIndicator")
+local DataIndicator = require("graphics.elements.indicators.DataIndicator")
 
 local ALIGN  = core.ALIGN
 local cpair  = core.cpair
@@ -30,6 +30,11 @@ local APP_ID = pocket.APP_ID
 local label_fg_bg = style.label
 local lu_col      = style.label_unit_pair
 
+-- nominal RTT is ping (0ms to 10ms usually) + 150ms for SV main loop tick
+-- ensure in sync with supervisor databus file
+local WARN_RTT = 300    -- 2x as long as expected w/ 0 ping
+local HIGH_RTT = 500    -- 3.33x as long as expected w/ 0 ping
+
 -- new computer list page view
 ---@param root Container parent
 local function new_view(root)
@@ -107,7 +112,7 @@ local function new_view(root)
             end)
         end
 
-        --#region overview page
+        --#region main computer page
 
         local m_pane = panes[1]
         local m_div = Div{parent=m_pane,x=2,width=main.get_width()-2}
@@ -117,9 +122,62 @@ local function new_view(root)
 
         TextBox{parent=m_div,y=1,text="Connected Computers",alignment=ALIGN.CENTER}
 
-        TextBox{parent=m_div,y=3,text="Networked Computers",fg_bg=label_fg_bg}
-        local s_f_rad = RadIndicator{parent=m_div,label="",format="%17.3f",lu_colors=lu_col,width=21}
-        s_f_rad.register(f_ps, "radiation", s_f_rad.update)
+        local conns = DataIndicator{parent=m_div,x=10,y=3,lu_colors=lu_col,label="Online",unit="",format="%3d",value=0,commas=true,width=21}
+        conns.register(f_ps, "comp_online", conns.update)
+
+        local svr_div = Div{parent=m_div,y=5,height=5}
+        local svr_rect = Rectangle{parent=svr_div,height=5,x=2,width=21,border=border(1,colors.gray,true),thin=true,fg_bg=cpair(colors.black,colors.lightGray)}
+
+        TextBox{parent=svr_rect,text="Supervisor"}
+        TextBox{parent=svr_rect,x=12,y=1,width=6,text="Online",fg_bg=cpair(colors.green,colors._INHERIT)}
+        TextBox{parent=svr_rect,text="Computer ID",fg_bg=label_fg_bg}
+        TextBox{parent=svr_rect,text="Firmware",fg_bg=label_fg_bg}
+        local svr_addr = TextBox{parent=svr_rect,x=13,y=2,text="---"}
+        local svr_fw = TextBox{parent=svr_rect,x=13,y=3,text="---"}
+
+        svr_addr.register(f_ps, "comp_svr_addr", svr_addr.set_value)
+        svr_fw.register(f_ps, "comp_svr_fw", svr_fw.set_value)
+
+        local crd_div = Div{parent=m_div,y=5,height=5}
+        local crd_rect = Rectangle{parent=crd_div,height=6,x=2,width=21,border=border(1,colors.gray,true),thin=true,fg_bg=cpair(colors.black,colors.lightGray)}
+
+        TextBox{parent=crd_rect,text="Coordinator"}
+        local crd_online = TextBox{parent=svr_rect,x=12,y=1,width=7,text="Online",fg_bg=cpair(colors.green,colors._INHERIT)}
+        TextBox{parent=crd_rect,text="Computer ID",fg_bg=label_fg_bg}
+        TextBox{parent=crd_rect,text="Firmware",fg_bg=label_fg_bg}
+        TextBox{parent=crd_rect,text="Round-Trip Time",fg_bg=label_fg_bg}
+        local crd_addr = TextBox{parent=svr_rect,x=13,y=2,text="---"}
+        local crd_fw = TextBox{parent=svr_rect,x=13,y=3,text="---"}
+        local crd_rtt = TextBox{parent=svr_rect,x=13,y=3,text="---"}
+
+        crd_addr.register(f_ps, "comp_crd_addr", crd_addr.set_value)
+        crd_fw.register(f_ps, "comp_crd_fw", crd_fw.set_value)
+
+        crd_online.register(f_ps, "comp_crd_online", function (online)
+            if online then
+                crd_online.set_value("Online")
+                crd_online.recolor(colors.green)
+            else
+                crd_online.set_value("Off-line")
+                crd_online.recolor(colors.red)
+            end
+        end)
+
+        crd_rtt.register(f_ps, "comp_crd_rtt", function (rtt)
+            crd_rtt.set_value(rtt)
+
+            if type(rtt) ~= "number" then
+                crd_rtt.recolor(label_fg_bg.fgd)
+            else
+                if rtt > HIGH_RTT then
+                    crd_rtt.recolor(colors.red)
+                elseif rtt > WARN_RTT then
+                    crd_rtt.recolor(colors.yellow)
+                else
+                    crd_rtt.recolor(colors.green)
+                end
+            end
+        end)
 
         --#endregion
 
diff --git a/supervisor/databus.lua b/supervisor/databus.lua
index f5daefb..eef99e7 100644
--- a/supervisor/databus.lua
+++ b/supervisor/databus.lua
@@ -8,6 +8,7 @@ local util = require("scada-common.util")
 local pgi  = require("supervisor.panel.pgi")
 
 -- nominal RTT is ping (0ms to 10ms usually) + 150ms for SV main loop tick
+-- ensure in sync with pocket computer list app
 local WARN_RTT = 300    -- 2x as long as expected w/ 0 ping
 local HIGH_RTT = 500    -- 3.33x as long as expected w/ 0 ping