3Com 3C16985B, 3C16988A Null Modem Cable, PC-AT Serial Cable, Pin to RS-232 25-pin, Pin to 9-pin

Page 43

B PIN-OUTS

Null Modem Cable

9-pin to RS-232 25-pin

 

 

Switch 3300 XM, SM, TM, MM

PC/Terminal

 

Cable connector: 9-pin female

Cable connector: 25-pin male/female

Screen Shell

TxD 3

RxD 2

Ground 5

RTS 7

CTS 8

DSR 6

DCD 1

DTR 4

1 Screen

3 RxD

2 TxD

7 Ground

4 RTS

20 DTR

5CTS

6DSR

8DCD

only required if screen

always required

required for handshake

PC-AT Serial Cable

9-pin to 9-pin

 

 

 

 

 

 

 

 

 

Switch 3300 XM, SM, TM, MM

PC-AT Serial Port

 

 

 

 

Cable connector: 9-pin female

Cable connector: 9-pin female

 

Screen

 

 

 

 

 

 

 

 

Screen

 

only required if screen

 

Shell

 

 

 

 

Shell

 

 

 

 

DTR

4

 

 

 

 

 

 

1

DCD

 

 

 

 

 

 

 

 

 

 

 

 

 

TxD

3

 

 

 

 

 

 

2

RxD

 

 

always required

 

 

 

 

 

 

 

RxD

2

 

 

 

 

 

 

3

TxD

 

 

 

 

 

 

 

 

 

 

 

 

 

CTS

8

 

 

 

 

 

 

4

DTR

 

 

required for handshake

 

 

 

 

 

 

 

 

 

 

 

Ground

5

 

 

 

 

 

 

5

Ground

 

 

always required

 

 

 

 

 

 

 

DSR

6

 

 

 

 

 

 

6

DSR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RTS

7

 

 

 

 

 

 

7

RTS

 

 

required for handshake

 

 

 

 

 

 

 

 

 

 

 

DCD

1

 

 

 

 

 

 

8

CTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN-OUTS Glossary Index Regulatory Notices Page About this Guide List conventions that are used throughout this guide ConventionsDocumentation RelatedProduct CommentsRegistration 3300 XM, SM, TM, MM Introducing the Switch 3300 XM, SM, TM, MM 1000BASE-SX Switch Front View DetailIntroducing the Switch 3300 XM, SM, TM, MM LED behavior Unit Information Label Switch Rear View DetailSwitch Rear View Detail Network ConfigurationExamples Using the Switch as a collapsed backbone Using the Switch in a desktop environment Fast Ethernet configuration rules Introducing the Switch 3300 XM, SM, TM, MM Gigabit Ethernet cabling Configuration Rules for Gigabit Ethernet SM and TMIntroducing the Switch 3300 XM, SM, TM, MM Installing the Switch Installing the Switch Rack-mounting Repeat steps 2 and 3 for the other side of the SwitchConnect network cabling Installing the Switch Part number 3C16965. Contact your supplier for details Using Matrix CablesStacking Units Treated as a single manageable unit with one IP addressStack of two units Stack of three units TM or MM powered-up and ready for operation Power-upSequence Choosing Guide SwitchNetwork. For information on managing the Switch using ManagingSafety Information Information Important SafetyImportant Safety Information Sécurité Importante ’information de’information de Sécurité Importante Wichtige Sicherheitsinformat ionen Warnhinweis Faseroptikanschlüsse Optische Sicherheit Appendix a Safety Information Pin to 9-pin Null Modem CablePC-AT Serial Cable Pin to RS-232 25-pinAssignments ConnectorsModem Cable RJ45 PinPin Number Signal Function Appendix B PIN-OUTS Switch 3300 XM, SM and MM Technical SpecificationsSnmp Switch 3300 TMVlan MIB RFC Appendix C Technical Specifications Online Technical ServicesUsername anonymous Asia, Pacific Rim Country Telephone Number Fax Number Glossary Process is known as filtering Can be due to faulty network devicesProcess of sending a packet toward its destination using a Unauthorized access to a network or network devicesLine speed See baud Glossary STP See Spanning Tree Protocol STP Glossary Index Index Regulatory Notices
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