Cabletron Systems ESXMIM Installation Manual page 40

Chapter 3: Installation
3. Check that the LNK indicator LED is ON. If the indicator is not ON,
the port does not have a valid link. Perform each of the following steps
until you reach a resolution of the problem and achieve a link.
a. Check that the 10BASE-T device at the other end of the twisted
pair segment is ON.
b. Verify that the RJ45 connectors on the twisted pair segment have
the proper pinouts.
ESXMIM RJ45 Port
1 Tx+
2 Tx-
3 Rx-
6 Rx+
c. Check the cable for continuity.
d. Check that the twisted pair connection meets dB loss and cable
specifications outlined in Appendix D, Ethernet Cabling
Requirements.
4. If you still cannot establish a link, contact Cabletron Systems
Technical Support.
To remove the RJ45 connector from the port once it is locked in, grasp the
cable where it enters the network device. Using your finger or a
non-conductive probe (the cap of a ballpoint pen is a useful tool for
recessed ports) pinch the exposed arm of the locking clip towards the
main body of the housing. When the arm contacts the housing, the locking
clip has been disengaged. Without releasing the arm, gently pull the RJ45
connector directly out of the port.
3-18
Straight-Through
RX+/RX- and TX+/TX- must share a common
color pair
Figure 3-8 Cable Pinouts - RJ45 Port
ESXMIM/ESXMIM-F2 Installation Guide
10BASE-T Device Port
1
Rx+
Rx-
2
Tx-
3
Tx+ 6
12