3com 3C17300 Owner's Manual Page 14
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14 CHAPTER 1: INTRODUCING THE SUPERSTACK 3 SWITCH 4200 SERIES
WARNING: RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot
be used as standard traditional telephone sockets, or to connect the unit to a
traditional PBX or public telephone network. Only connect RJ-45 data
connectors, network telephony systems, or network telephones to these
sockets.
Either shielded or unshielded data cables with shielded or unshielded
jacks can be connected to these data sockets.
10BASE-T/
100BASE-TX Ports
The Switch has 24 or 48 auto-negotiating 10BASE-T/100BASE-TX ports
configured as Auto MDIX (cross-over). While auto-negotiation is enabled,
these ports can automatically detect whether they need to operate in
MDI or MDIX mode. Alternatively, you can manually set these ports to
10BASE-T half duplex, 10BASE-T full duplex, 100BASE-TX half duplex or
100BASE-TX full duplex. The maximum segment length is 100 m (328 ft)
over Category 5 twisted pair cable.
10/100/1000BASE-T
Ports
The Switch has two auto-negotiating 10/100/1000BASE-T ports
configured as Auto MDIX (cross-over). While auto-negotiation is enabled,
these ports can automatically detect whether they need to operate in
MDI or MDIX mode. These ports provide 10/100/1000 Mbps full duplex
connections to other Gigabit Ethernet devices. Full duplex allows packets
to be transmitted and received simultaneously which, in effect, doubles
the potential throughput of a link. These ports require either
straight-through or cross-over Category 5 cables with RJ-45 connectors at
both ends. The maximum UTP cable length is 100 m (328 ft) over
Category 5 cable.
The 10/100/1000BASE-T ports will auto-negotiate to the appropriate
speed.
GBIC Ports This section applies to the SuperStack 3 Switch 4228G only.
The two GBIC ports support Category 5 twisted pair cable and fiber
Gigabit Ethernet short-wave (SX), long-wave (LX) and long-haul (LH70)
GBIC transceivers in any combination. This offers you the flexibility of
using GBIC transceivers to provide connectivity between the Switch and
remote 1000 Mbps workgroups or to create a high capacity aggregated
link backbone connection.
DUA1730-0AAA02.book Page 14 Thursday, January 23, 2003 12:28 PM
- SuperStack 1
- Switch 4200 Series 1
- Getting Started Guide 1
- 3Com Corporation 2
- 5400 Bayfront Plaza 2
- Santa Clara, California 2
- 95052-8145 2
- CONTENTS 3
- 3 SETTING UP FOR MANAGEMENT 4
- 4 PROBLEM SOLVING 4
- A SAFETY INFORMATION 5
- B PIN-OUTS 5
- C TECHNICAL SPECIFICATIONS 5
- D TECHNICAL SUPPORT 5
- REGULATORY NOTICES 6
- ABOUT THIS GUIDE 7
- Table 1 Notice Icons 8
- Table 2 Text Conventions 8
- Related 9
- Product 10
- Registration 10
- Documentation 10
- Comments 10
- INTRODUCING THE 11
- SUPERSTACK 3 SWITCH 4200 11
- About the Switch 12
- 4200 Series 12
- — Front View 13
- Table 4 LED behavior 15
- — Rear View Detail 17
- Table 5 Default Settings 18
- INSTALLING THE SWITCH 19
- Choosing a Suitable 20
- Rack-mounting 21 21
- Placing Units On 23
- Top of Each Other 23
- The Power-up 24
- Sequence 24
- The Power-up Sequence 25 25
- Color State 25
- GBIC Operation 27 27
- ■ Fiber SC connector 28
- GBIC Ports 29
- Transceiver 29
- SETTING UP FOR MANAGEMENT 31
- Setting Up 32
- Overview 32
- Setting Up Overview 33 33
- Manually 35
- Configuring IP 35
- Information 35
- ■ IP address — 169.254.100.99 36
- ■ Subnet mask — 255.255.0.0 36
- ■ A suitable cable: 39
- ■ 19,200 baud 40
- ■ 8 data bits 40
- ■ no parity 40
- ■ 1 stop bit 40
- ■ no hardware flow control 40
- Viewing 42
- Automatically 42
- Configured IP 42
- Methods of 45
- Managing a Switch 45
- Command Line 47
- Interface 47
- Management 47
- ✓ ✓ ✓ ✓ ✓ ✓ 48
- ✕ ✓ ✓ ✓ ✓ ✕ 48
- ✓ ✓ ✓ ✓ ✓ ✕ 48
- Setting Up SNMP 49
- Default Users and 50
- Passwords 50
- Switch CD-ROM 51
- PROBLEM SOLVING 53
- Solving Problems 54
- Indicated by LEDs 54
- Solving Hardware 55
- Problems 55
- Solving 55
- Communication 55
- Solving Stack 56
- Formation 56
- Solving Software 57
- Upgrade Problems 57
- 58 CHAPTER 4: PROBLEM SOLVING 58
- SAFETY INFORMATION 59
- Important Safety Information 60
- PPENDIX A: SAFETY INFORMATION 62
- PIN-OUTS 67
- RJ-45 Pin 68
- Assignments 68
- 1000BASE-T RJ-45 69
- Pin Assignments 69
- Table 13 Pin assignments 70
- TECHNICAL SPECIFICATIONS 71
- Switch 4250T 73
- (3C17302) 73
- Switch 4228G 74
- (3C17304) 74
- TECHNICAL SUPPORT 75
- Network Supplier 76
- Support from Your 76
- ■ Diagnostic error messages 77
- Asia, Pacific Rim 78
- Returning Products 79
- PPENDIX D: TECHNICAL SUPPORT 80
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