B
P
IN
-
OUTS
Null Modem Cable
RJ-45 to RS-232 25-pin
PC-AT Serial Cable
RJ-45 to 9-pin
Screen
TxD
RxD
Ground
RTS
CTS
DSR
DCD
DTR
Screen
RxD
TxD
Ground
RTS
DTR
CTS
DSR
DCD
Shell
3
2
5
7
8
6
1
4
1
3
2
7
4
20
5
6
8
3Com Switch
Cable connector: RJ-45 female
PC/Terminal
Cable connector: 25-pin male/female
only required if screen
always required
required for handshake
Screen
DTR
TxD
RxD
CTS
Ground
DSR
RTS
DCD
Screen
DCD
RxD
TxD
DTR
Ground
DSR
RTS
CTS
Shell
4
3
2
8
5
6
7
1
Shell
1
2
3
4
5
6
7
8
3Com Switch
Cable connector: RJ-45 female
PC-AT Serial Port
Cable connector: 9-pin female
only required if screen
Always required
always required
required for handshake
required for handshake
Required for handshake
10014914AA.book Page 89 Friday, July 7, 2006 2:08 PM
Summary of Contents for 4200G PWR
Page 4: ...10014914AA book Page 4 Friday July 7 2006 2 08 PM ...
Page 30: ...30 CHAPTER 2 INSTALLING THE SWITCH 10014914AA book Page 30 Friday July 7 2006 2 08 PM ...
Page 74: ...74 CHAPTER 5 UPGRADING SOFTWARE 10014914AA book Page 74 Friday July 7 2006 2 08 PM ...
Page 92: ...92 APPENDIX B PIN OUTS 10014914AA book Page 92 Friday July 7 2006 2 08 PM ...
Page 96: ...96 APPENDIX C TECHNICAL SPECIFICATIONS 10014914AA book Page 96 Friday July 7 2006 2 08 PM ...
Page 104: ...10014914AA book Page 104 Friday July 7 2006 2 08 PM ...