Enterasys mrx Installation Instruction
INSTALLATION
Page 3-13
Figure 3-12. Cable Pinouts - SPIM-T1
2.
Check that the Link LED is lit. If the LED is not lit, perform
each of the following steps until it is:
each of the following steps until it is:
a.
Check that the 10BASE-T device at the other end of the
twisted pair segment is powered up.
twisted pair segment is powered up.
b.
Verify that the DB-9 connector on the twisted pair segment
has the proper pinouts (see Figure 3-12).
has the proper pinouts (see Figure 3-12).
c.
Check the cable for continuity.
d.
Check that the twisted pair connection meets dB loss and
cable specifications outlined in 10BASE-T Twisted Pair
Network Requirements.
cable specifications outlined in 10BASE-T Twisted Pair
Network Requirements.
If a link still has not been established, contact Cabletron Systems
Technical Support.
Technical Support.
TX+
TX–
RX+
RX–
TX+
TX–
RX+
RX–
1
6
5
9
1
2
6
3
DB-9 to RJ-45
SPIM-T1
Port
10BASE-T Device
Port
NOTE:
RX+/RX– and TX+/TX–
must share a common
color pair.
RX+/RX– and TX+/TX–
must share a common
color pair.