Cabletron Systems SEH100TX-22 manual Connecting to an EPIM-100TX, SEH Network Ports

Chapter 5: Connecting to the Network

16X

5X

15X

4X

14X

3X

13X

2X

12X

1X

EPIM 2

	LNK
E P I M	- 1 0 0	T X

EPIM 1

1511_10

Figure 5-1 SEH Network Ports

3.Check that the applicable LNK LED for the port is on. If the LED is off, perform each of the following steps until it is on:

a.Check that the 100BASE-TX device at the other end of the twisted pair segment is powered up.

b.Verify that the RJ45 connector on the twisted pair segment has the proper pinouts.

c.Check the cable for continuity.

d.Check that the twisted pair connection meets the cable specifications outlined in Section 3.1.2.

If a link is not established, contact Cabletron Systems Technical Support. Refer to Section 1.3 for details on getting help.

5.1.2Connecting to an EPIM-100TX

The EPIM-100TX is often used to provide a connection between the SEH and a bridge, router, or switch. Normally, in this configuration, a “straight-through” cable is used and the EPIM crossover switch, shown in Figure 5-2, is set to “not crossed over.”

5-2 SEH100TX User’s Guide