Cabletron Systems manual Twisted Pair Wiring from AN EMC38-12 to a Punch Down Block

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APPENDIX B: TWISTED PAIR WIRING TABLES

B.1 TWISTED PAIR WIRING FROM AN EMC38-12 TO A PUNCH DOWN BLOCK

Note: Pins 25 and 50 on the Champ connector are not used.

Table B-1. EMC38-12 to a Punch Down Block

From

 

Into and Out of 50

Into Punch Down

EMC38-12

Pin Feeder Cable

Block

 

 

 

 

 

 

 

 

 

Port 12

 

 

 

 

 

 

 

 

Pin

Pin

 

 

Pin

 

 

TX+

48

48

Violet/Green

TX+

A45

Violet/Green

TX+

TX-

23

23

Green/Violet

TX-

A46

Green/Violet

TX-

RX+

49

49

Violet/Brown

RX+

A47

Violet/Brown

RX+

RX-

24

24

Brown/Violet

RX-

A48

Brown/Violet

RX-

Port 11

 

 

 

 

 

 

 

 

Pin

Pin

 

 

Pin

 

 

TX+

46

46

Violet/Blue

TX+

A41

Violet/Blue

TX+

TX-

21

21

Blue/Violet

TX-

A42

Blue/Violet

TX-

RX+

47

47

Violet/Orange

RX+

A43

Violet/Orange

RX+

RX-

22

22

Orange/Violet

RX-

A44

Orange/Violet

RX-

Port 10

 

 

 

 

 

 

 

 

Pin

Pin

 

 

Pin

 

 

TX+

44

44

Yellow/Brown

TX+

A37

Yellow/Brown

TX+

TX-

19

19

Brown/Yellow

TX-

A38

Brown/Yellow

TX-

RX+

45

45

Yellow/Gray

RX+

A39

Yellow/Gray

RX+

RX-

20

20

Gray/Yellow

RX-

A40

Gray/Yellow

RX-

Port 9

 

 

 

 

 

 

 

 

Pin

Pin

 

 

Pin

 

 

TX+

42

42

Yellow/Orange

TX+

A33

Yellow/Orange

TX+

TX-

17

17

Orange/Yellow

TX-

A34

Orange/Yellow

TX-

RX+

43

43

Yellow/Green

RX+

A35

Yellow/Green

RX+

RX-

18

18

Green/Yellow

RX-

A36

Green/Yellow

RX-

 

 

 

 

 

 

 

 

Page B-2

EMC38-12 USER’S GUIDE

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Contents Port Ethernet Media Converter USER’S Guide EMC38-12 USER’S Guide EMC38-12 USER’S Guide FCC Notice DOC NoticeVcci Notice Cabletron SYSTEMS, INC Program License AgreementExclusion of Warranty Disclaimer of Liability Cabletron Software Program LicenseUnited States Government Restricted Rights EMC38-12 USER’S Guide Table of Contents Viii Using this Manual Chapter IntroductionGetting Help EMC38-12 OverviewEMC38-12 Features EMC38-12 SpecificationsEnvironmental Requirements Installing the EMC38-12 Chapter InstallationUnpacking the EMC38-12 Rack Mounting the EMC38-12 Free-Standing Shelf or Tabletop Installation Connecting the EMC38-12 to the Power Source Chapter Connecting to the Network Connecting a Twisted Pair Segment to the EMC38-12Connecting a Fiber Optic Link Segment Connecting a Fiber Optic Link Segment Finishing the Installation Chapter Using the Lanview Leds EMC38-12RCV Receive Appendix a Cable Requirements 10Base-T Twisted Pair Requirements10Base-FL Multimode Fiber Requirements Appendix B Twisted Pair Wiring Tables Twisted Pair Wiring from AN EMC38-12 to a Punch Down Block Table B-1. EMC38-12 to a Punch Down BlockTwisted Pair Wiring Tables B-4 Table B-2. Punch Down Block to a 10Base-T Device B-6 B-7 Figure B-1. Punch Down Block Pins Power Supply Cord GermanSpanish French

EMC38-12 specifications

Cabletron Systems EMC38-12 is a sophisticated networking device designed to meet the increasing demands for robust and efficient data communication in enterprise environments. Known for its reliability, the EMC38-12 is a multi-access switching hub that provides users with a seamless experience in connecting various networked devices.

One of the primary features of the EMC38-12 is its support for multiple protocols. This flexibility allows organizations to integrate both legacy systems and modern systems, ensuring ease of transition and compatibility. The device is equipped with advanced switching capabilities that facilitate high-speed data transmission, significantly improving overall network performance.

The EMC38-12 boasts a 12-port configuration, which permits a variety of device connections. Each port is capable of auto-sensing, making it compatible with both 10Base-T and 100Base-T standards. This versatility helps in accommodating a wide range of devices, from desktops to printers, enhancing the overall network's scalability. Moreover, the device maintains a compact form factor, making it ideal for deployments in spaces where real estate is limited.

In terms of security, the EMC38-12 offers integrated features that safeguard sensitive data across the network. With built-in support for VLANs (Virtual Local Area Networks), organizations can segment network traffic effectively, providing an additional layer of security. The device also supports network monitoring protocols, enabling IT administrators to maintain oversight over traffic patterns and quickly address potential issues.

The EMC38-12 utilizes advanced technologies such as IEEE 802.1Q for VLAN tagging and 802.3x for flow control, ensuring efficient data processing. These technologies contribute to the device's ability to manage network congestion and ensure smooth data flow even during peak usage times.

Finally, Cabletron Systems has designed the EMC38-12 with maintainability in mind. The device features hot-swappable components, reducing downtime during maintenance or upgrades. This aspect, along with robust engineering, ensures that the EMC38-12 is built to last in demanding operational environments.

Overall, Cabletron Systems EMC38-12 is a powerful solution that combines versatility, performance, and security, making it an excellent choice for any organization looking to enhance its network capabilities. With its innovative features and technologies, the EMC38-12 stands out as a vital component for modern networking infrastructures.