Cabletron Systems manual B-4 EMC39-12 User’s Guide

Appendix B: Twisted Pair Wiring Tables

Table B-1 EMC39-12 to a Punch Down Block (Continued)

From	Into and Out of 50		Into Punch Down
EMC39-12	Pin Feeder Cable		Block
Pin	Pin		Pin
TX+28	28	White/GreenTX+	A5	White/GreenTX+
TX-3	3	Green/WhiteTX-	A6	Green/WhiteTX-
RX+ 29	29	White/BrownRX+	A7	White/BrownRX+
RX- 4	4	Brown/WhiteRX-	A8	Brown/WhiteRX-
Port 1
Pin	Pin		Pin
TX+26	26	White/BlueTX+	A1	White/BlueTX+
TX-1	1	Blue/WhiteTX-	A2	Blue/WhiteTX-
RX+27	27	White/OrangeRX+	A3	White/OrangeRX+
RX-2	2	Orange/WhiteRX-	A4	Orange/WhiteRX-

B.2 TWISTED PAIR WIRING FROM A PUNCH DOWN BLOCK TO A 10BASE-T DEVICE

Table B-2 Punch Down Block to a 10BASE-T Device

From Punch Down	To RJ45		Into		Into
Block	Wallplate		Office		10BASE-T
			Drop		Device
Port 12	Pin		Pin		Pin
B45 Violet/GreenRX+	3	RX+	3	RX+	3	RX+
B46 Green/VioletRX-	6	RX-	6	RX-	6	RX-
B47 Violet/BrownTX+	1	TX+	1	TX+	1	TX+
B48 Brown/VioletTX-	2	TX-	2	TX-	2	TX-
Port 11	Pin		Pin		Pin
B41 Violet/BlueRX+	3	RX+	3	RX+	3	RX+
B42 Blue/VioletRX-	6	RX-	6	RX-	6	RX-

Page B-4 EMC39-12 User’s Guide