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Old Pages/Old Wiki/Classroom_network.md

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+(The following diagram is available as an 8.5" x 11" page in DjVu
+format. Click it to go to the downloadable image page and click that to
+get a full-size image)
+
+### Network diagram
+
+![](HacDC_Network.djvu "HacDC_Network.djvu") *Diagram of classroom
+network devices and cables,
+traced and documented by Bobby circa 2019.03.18*
+
+------------------------------------------------------------------------
+
+The following text is almost verbatim from Bobby's e-mail message. I
+have attempted basic formatting but it could use more reformatting work
+(probably as a wiki table) to make it readable.
+
+    On floor below clock:
+
+      Netgear ProSAFE 16-Port Gigabit Click Switch
+             1 - gray   - TP-Link Router 2
+             2 - gray   - Printer (paper) computer
+            14 - white  - open (by laser cutter)
+            16 - orange - renderadmin computer
+        others -          no connection
+
+    On bottom shelf over sink:
+
+      LinkSys VOIP Voice
+        Phone    - phone cable - Uniden EX18560 phone
+        Internet - blue        - LinkSys switch 6
+
+      C7 TP-Link AC1750 Wireless Dual-Band Gigabit Router
+        Internet   - blue   - D-Link switch
+        Ethernet 1 - gray   - open
+                 2 - yellow - TP-Link switch 7
+
+    On middle shelf over sink:
+
+      D-Link Wireless AC750 Dual-Band Router DIR-817LW
+        LAN 4    - blue - TP-Link switch 8
+        Internet - gray - LinkSys switch 5
+
+      TP-Link TL-SG1008D Gigabit Switch
+      (Numbering from left to right)
+        1 - yellow - wall socket
+        2 - gray   - Netgear switch 1
+        3 - blue   - 3D printer computer
+        4 -          no connection
+        5 - black  - Linksys switch 1
+        6 -          no connection
+        7 - yellow - TP-Link router Ethernet 2
+        8 - blue   - D-Link router LAN 4
+
+      Linksys Gigabit 8-Port Workgroup Switch
+      (Numbering from right to left)
+        1 - black - TP-Link switch 5
+        2 -         no connection
+        3 - gray  - open (below HARC)
+        4 - black - open (below HARC)
+        5 - gray  - D-Link router Internet
+        6 - blue  - Linksys VOIP Voice Internet
+        7 - blue  - open (below HARC)
+        8 -         no connection
+
+    On table below TV screen:
+
+      D-Link igreen DGS-1005D switch
+        1 - blue   - TP-Link router Internet
+        2 - gray   - open
+        3 -          no connection
+        4 -          no connection
+        5 - yellow - TV computer
+
+    If I read this right 3 of the 4 switches are unnecessary!