RTD Embedded Technologies, Inc.
|
www.rtd.com
17
LAN17255HRHR User’s Manual
IDAN Twisted Pair Ethernet PORT1, PORT2, PORT3, PORT4, and PORT5
5.5
As an IDAN, the Ethernet signals are available on five “D” connectors, two on the front and three on the back. A DB-9 to RJ-45 adapter is also
included for each port. The pin out is listed in the table below.
Board CNx 1000 Mbsp Function
10/100 Mbsp Function
9-Pin “D”
RJ-45
Adapter
1
MDI_B+
R
1
3
2
MDI_B-
Receive -
6
6
3
MDI_C+
Not Used
2
4
4
MDI_C-
Not Used
7
5
5
MDI_A+
Tr
3
1
6
MDI_A-
Transmit -
8
2
7
MDI_D+
Not Used
4
7
8
MDI_D-
Not Used
9
8
9/10
Shield Ground
5/NC
Table 9: LAN17255HR IDAN Pin Out
Steps for Installing
5.6
1.
Always work at an ESD protected workstation, and wear a grounded wrist-strap.
2.
Turn off power to the IDAN system.
3.
Remove the module from its anti-static bag.
4.
Check that pins of the bus connector are properly positioned.
5.
Check the stacking order; make sure all of the busses used by the peripheral cards are connected to the cpuModule.
6.
Hold the module by its edges and orient it so the bus connector pins line up with the matching connector on the stack.
7.
Gently and evenly press the module onto the IDAN system.
8.
If any boards are to be stacked above this module, install them.
9.
Finish assembling the IDAN stack by installing screws of an appropriate length.
10.
Attach any necessary cables to the IDAN system.
11.
Re-connect the power cord and apply power to the stack.
12.
Boot the system and verify that all of the hardware is working properly.
Figure 10: Example IDAN System
