56
A
PPENDIX
B: P
IN
-
OUTS
Modem Cable
9-pin to RS-232 25-pin
RJ-45 Pin
Assignments
Pin assignments are identical for 10/100BASE-T and 1000BASE-T RJ-45
connectors.
Table 11
Pin assignments
Pin Number
10/100BASE-T
1000BASE-T
Ports configured as MDI
1
Transmit Data +
Bidirectional Data A+
2
Transmit Data -
Bidirectional Data A-
3
Receive Data +
Bidirectional Data B+
4
Not assigned
Bidirectional Data C+
5
Not assigned
Bidirectional Data C-
6
Receive Data –
Bidirectional Data B-
7
Not assigned
Bidirectional Data D+
8
Not assigned
Bidirectional Data D-
Summary of Contents for SuperStack 3 4950
Page 6: ......
Page 18: ...18 CHAPTER 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4950 ...
Page 28: ...28 CHAPTER 2 INSTALLING THE SWITCH ...
Page 44: ...44 CHAPTER 4 PROBLEM SOLVING ...
Page 54: ...54 APPENDIX A SAFETY INFORMATION ...
Page 55: ...B PIN OUTS Null Modem Cable 9 pin to RS 232 25 pin PC AT Serial Cable 9 pin to 9 pin ...
Page 58: ...58 APPENDIX B PIN OUTS ...