Cabletron Systems DELHE-UA manual Straight-Through Cable

Chapter 2: Installation

Straight-Through Cable

NOTE:

RX+/RX– and TX+/TX– must share a common color pair.

	TO			TO
RJ45 Port		10BASE-T or 100BASE-TX
			Device Port
RX+	1			1	RX+
RX–	2			2	RX–
TX+	3			3	TX+
TX–	6			6	TX–
		RJ45 to RJ45

Crossover Cable

	TO			TO
RJ45 Port		10BASE-T or 100BASE-TX
			Device Port
RX+	1			1	RX+
RX–	2			2	RX–
TX+	3			3	TX+
TX–	6			6	TX–
		RJ45 to RJ45

25041-08

Figure 2-6 Twisted Pair Cabling

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 DELHE-UA User’s Guide