Cabletron Systems SEH-32, SEH-34 Connecting a UTP Segment to an EPIM-T, EPIM-T Cross-over Switch

CONNECTING TO THE NETWORK

4.Check that the link LED on the 10BASE-T Ethernet device and the applicable LNK LED on the SEH are on. If the LEDs are not on, perform each of the following steps until the LEDs are on:

a.Check that the 10BASE-T device and the SEH have power.

b.Verify the cabling between the SEH and the 10BASE-T device.

c.Check the cable for continuity.

If a link has not been established, contact Cabletron Systems Technical Support.

4.1.3Connecting a UTP Segment to an EPIM-T

Before connecting a segment to the EPIM-T, check each end of the segment to determine if the wires have been crossed-over for the proper connection. If the wires do not cross over, use the switch on the EPIM-T to internally cross over the RJ45 port. Refer to Figure 4-3 to properly set the EPIM-T cross-over switch.

Position X (crossed over)

1. RX+	5. NC
2. RX-	6. TX-
3. TX+	7. NC
4. NC	8. NC

Position =

(not crossed over)

1. TX+	5.	NC
2. TX-	6.	RX-
3. RX+	7. NC
4. NC	8. NC

Figure 4-3. EPIM-T Cross-over Switch

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