3com 3C17300 Owner's Manual Page 15
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- Table of contents
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About the Switch 4200 Series 15
Fiber GBIC's.
The default state for these ports is auto-negotiation enabled, where
speed, duplex and flow control modes are negotiated. Because the speed
and duplex modes are fixed by the media type, only the flow control is
negotiated with the link partner. Alternatively, auto-negotiation can be
disabled and the flow control setting can be manually configured.
1000BaseT GBIC's
These ports will auto-negotiate to 1000BASE-T, full duplex only. Although
it is not possible to disable auto-negotiation it is possible to change the
advertised capabilities for flow control support, effectively enabling or
disabling flow control.
LEDs Table 4 lists LEDs visible on the front of the Switch, and how to read their
status according to color. For information on using the LEDs for problem
solving, see “Solving Problems Indicated by LEDs”
on page 54.
It is not possible to determine the duplex mode from the LEDs. For more
detailed information, refer to the “SuperStack
3 Switch Management
Interface Reference Guide” on the CD-ROM that is supplied with the
Switch.
Table 4 LED behavior
LED Color Indicates
Port Status LEDs 10BASE-T/100BASE-TX ports
Green A 100 Mbps link is present and the port is enabled.
Green flashing Packets are being transmitted/received on the port.
Yellow A 10 Mbps link is present and the port is enabled.
Yellow flashing Packets are being transmitted/received on the port.
Green / Yellow
alternating
A 10 or 100 Mbps link is present, but the port is disabled.
Off No link is present.
Port Status LEDs GBIC ports
Green A 1000 Mbps link is present and the port is enabled.
Green flashing Packets are being transmitted/received on the port.
Port Status LEDs 10/100/1000BASE-T ports
Green A 1000 Mbps link is present and the port is enabled.
(continued)
DUA1730-0AAA02.book Page 15 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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