D-Link DES-1016 - RJ-45 Connector Pin Assignment; Straight Cable for Switch (Uplink MDI-II Port) to Switch;Hub or Other Devices Connection; Crossover Cable for Switch (MDI-X Port) to Switch;Hub or Other Network Devices (MDI-X Port) Connection

10/100 Fast Ethernet Switch User’s Guide
RJ-45 Pin Specification
35
RJ-45 Connector pin assignment
Contact Media Direct Interface
Signal
1 Tx + (transmit)
2 Tx - (transmit)
3 Rx + (receive)
4 Not used
5 Not used
6 Rx - (receive)
7 Not used
8 Not used
The standard Category 3 cable, RJ-45 pin assignment
The following shows straight cable and crossover cable connection:
Straight cable for Switch (Uplink MDI-II port) to switch/Hub or
other devices connection
Crossover cable for Switch (MDI-X port) to switch/hub or other
network devices (MDI-X port) connection