TRENDnet TE100-S1616 User Manual page 18

means you can use ordinary straight-through
twisted-pair cable to connect the switch to PCs,
workstations, or servers through these ports. If you
need to connect to another device with MDI-X ports
such as another switch or hub, you should use a
crossover cable, or connect using the Uplink port
(described below).
Uplink Ports
The Uplink port is an MDI port, which means you
can connect the switch to another device with MDI-X
ports using an ordinary straight-through cable,
making a crossover cable unnecessary.
In 16/32-port model, port 16 and the Uplink is really
the same port, except that their pinouts are different.
Do not use both Port 16 and the Uplink port at
the same time.
In 24-port model, port 12 and the Uplink is really the
same port, except that their pinouts a re different.
Do not use both Port 12 and the Uplink port at
the same time.
12