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Cabletron Systems 9E132-15, 9E133-36, 9E138-12, 9E138-36b - page 36

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EPIMs

A-6

The AUI Cable must not exceed 50 meters in length. If 28 AWG thin ofﬁce drop

AUI cable is used, then the maximum cable length is limited to 15.24 meters.

Figure A-5. The EPIM-A and EPIM-X

Table A-4 lists the DB-15 pinouts.

Table A-4. DB-15 Pinouts

Pin Number Represents Pin Number Represents

1 Logic Ref. 10 Transmit -

2 Collision + 11 Logic Ref.

3 Transmit 12 Receive -

4 Logic Ref. 13 Power (+12Vdc)

5 Receive 14 Logic Ref.

6 Power Return 15 No Connection

7 No Connection Connector Shell Positive Ground

9 Collision -

EPIM-A

PWR SQE

EPIM-X

Contents

Main Page i Notice Notice Notice ii FCC Notice DOC Notice VCCI Notice DECLARATION OF CONFORMITY ADDENDUM Page Contents Contents Page Chapter 1 Introduction Features Page Introduction 9E138-36 ETHERNET 3 Figure 1-1. The Ethernet MicroLan Switch Modules Related Manuals Getting Help Chapter 2 Installing the Modules Page Installing EPIMs EPIM Revisions Installing the EPIM The Reset Switch User-Accessible Components Setting the Module Card DIP Switch Page Chapter 3 Operation Flexible Network Bus (FNB) SMB-10 Bus SMB-1 Bus System Management Buses System Diagnostic Controller FNB Interface DC/DC Converter i960 Core 4-1 Chapter 4 LANVIEW LEDs LANVIEW LEDs 4-2 The functions of the System Management Bus (SMB) and CPU LEDs are listed in Table 4-1. The function of the FNB Transmit LED is listed in Table 4-3. The function of the FNB Receive LED is listed in Table 4-2. The functions of the Ethernet Receive LEDs are listed in Table 4-4. The function of the Link LEDs is listed in Table 4-6. The functions of the Ethernet Transmit LEDs are listed in Table 4-5. Page Chapter 5 Specications Safety Service Physical Dimensions Weight Environment Appendix A EPIMs EPIM-T EPIM-F1 and EPIM-F2 EPIM-F3 Page EPIM-C Connector Type Grounding EPIM-A and EPIM-X (AUI Port)