What is the device to the right of the tray in the top part?
The device is a monitor.
     src        edge_attr  dst
0      0  to the right of   16
1      0  to the right of    7
2      0   to the left of   24
3      1   to the left of   18
4      1   to the left of   19
..   ...              ...  ...
106   24  to the right of   13
107   24  to the right of   23
108   24  to the right of   22
109   25  to the right of   10
110   25  to the right of   15

[111 rows x 3 columns]