Dell Latitude C/Dock II Expansion Station Guide page 9

I / O P a n e l o f t h e D o c k i n g D e v i c e
serial connector
PS/2-keyboard
connector
PS/2-mouse
connector
video connector
The "External I/O Connectors" table shows the icons for each of the
connectors on the back of the docking device and indicates the type of
external device(s) that you can attach to each connector.
USB connectors (2)
parallel connector
SCSI
connector
network connector
Sys te m I nf or m at ion G u ide
7