Operation Manual
Table Of Contents
- SuperStack® 3
- Switch 3300 XM, SM, TM, MM User Guide
- 3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145
- Contents
- 1
- Introducing the Switch 3300 XM, SM, TM, MM
- About the Switch
- Switch — Front View Detail
- Switch — Rear View Detail
- Network Configuration Examples
- Configuration Rules for Fast Ethernet
- Configuration Rules with Full Duplex
- Configuration Rules for Gigabit Ethernet (SM and TM)
- Configuration Rules for the 3300 SM and TM
- 2
- A
- B
- C
- D
44 APPENDIX B: PIN-OUTS
Modem Cable 9-pin to RS-232 25-pin
RJ45 Pin
Assignments
Pin assignments are identical for 10BASE-T and 100BASE-TX RJ45
connectors
Screen
TxD
RxD
RTS
CTS
DSR
Ground
DCD
DTR
Screen
TxD
RxD
RTS
CTS
DSR
Ground
DCD
DTR
Shell
3
2
7
8
6
5
1
4
1
2
3
4
5
6
7
8
20
Switch 3300
Cable connector: 9-pin female
XM, SM, TM, MM
RS-232 Modem Port
Cable connector: 25-pin male
Ta b le 7
Pin assignments
Pin Number Signal Function
Ports configured as MDI
1 TxData + Transmit data
2 TxData – Transmit data
3 RxData + Receive Data
4 Not assigned
5 Not assigned
6 RxData – Receive data
7 Not assigned
8 Not assigned
1697ua.bk Page 44 Monday, December 3, 2001 11:31 AM