Cabletron Systems EMC39-12 用户手册
Appendix B: Twisted Pair Wiring Tables
Page B-4
EMC39-12 User’s Guide
B.2 TWISTED PAIR WIRING FROM A PUNCH DOWN
BLOCK TO A 10BASE-T DEVICE
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-
Table B-2
Punch Down Block to a 10BASE-T Device
From Punch Down
Block
Block
To RJ45
Wallplate
Wallplate
Into
Office
Drop
Office
Drop
Into
10BASE-T
Device
10BASE-T
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-
Table B-1
EMC39-12 to a Punch Down Block (Continued)
From
EMC39-12
EMC39-12
Into and Out of 50
Pin Feeder Cable
Pin Feeder Cable
Into Punch Down
Block
Block
emc39bk Page 4 Monday, February 12, 1996 4:21 PM