Twisted Pair Cabling - Cabletron Systems Expansion module DELHE-UA User Manual

Chapter 2: Installation
NOTE:
RX+/RX– and TX+/TX–
must share a common
color pair.
Connect a DELTX-UI to a twisted pair segment as follows:
1. Ensure that the device connected to the other end of the segment is
powered ON.
2. Connect the twisted pair segment to the module by inserting the RJ45
connector on the twisted pair cable into the RJ45 port on the module
shown in Figure 2-5.
3. Verify that a link exists by checking that the port receive LED is on
(flashing amber, blinking green, or solid green). If the receive LED is
off, perform the following steps until it is on:
a. Verify that the 100BASE-TX device at the other end of the twisted
pair segment is powered up.
2-12
Straight-Through Cable
TO
RJ45 Port
RX+
1
RX– 2
TX+
3
TX–
6
Crossover Cable
TO
RJ45 Port
RX+
1
RX– 2
TX+
3
TX–
6
Figure 2-6 Twisted Pair Cabling
10BASE-T or 100BASE-TX
Device Port
RJ45 to RJ45
10BASE-T or 100BASE-TX
Device Port
RJ45 to RJ45
DELHE-UA User's Guide
TO
RX+
1
RX–
2
TX+
3
TX–
6
TO
RX+
1
RX–
2
TX+
3
TX–
6
25041-08