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A
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
10014914_AB_Switch 4200G.book Page 63 Tuesday, October 2, 2007 12:13 PM
Содержание 4200G Series
Страница 4: ...10014914_AB_Switch 4200G book Page 4 Tuesday October 2 2007 12 13 PM ...
Страница 8: ...8 CONTENTS 10014914_AB_Switch 4200G book Page 8 Tuesday October 2 2007 12 13 PM ...
Страница 12: ...12 ABOUT THIS GUIDE 10014914_AB_Switch 4200G book Page 12 Tuesday October 2 2007 12 13 PM ...
Страница 36: ...36 CHAPTER 2 INSTALLING THE SWITCH 10014914_AB_Switch 4200G book Page 36 Tuesday October 2 2007 12 13 PM ...
Страница 62: ...62 CHAPTER 4 PROBLEM SOLVING 10014914_AB_Switch 4200G book Page 62 Tuesday October 2 2007 12 13 PM ...
Страница 66: ...66 APPENDIX A PIN OUTS 10014914_AB_Switch 4200G book Page 66 Tuesday October 2 2007 12 13 PM ...
Страница 70: ...70 APPENDIX B TECHNICAL SPECIFICATIONS 10014914_AB_Switch 4200G book Page 70 Tuesday October 2 2007 12 13 PM ...
Страница 78: ...78 APPENDIX D 3COM NETWORK MANAGEMENT 10014914_AB_Switch 4200G book Page 78 Tuesday October 2 2007 12 13 PM ...