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HP J4903A User Manual - Page 2
HP J4903A Manual
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Contents
Table of Contents
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Section
Page
Installation and Getting Started Guide
1
Copyright and Disclaimer page
4
Contents
5
1. Introducing the Switch
9
Front of the Switch
11
Network Ports
11
LEDs
13
LED Mode Select Button and Indicator LEDs
15
Reset Button
16
Clear Button
16
Back of the Switch
17
Console Port
17
Power Connector
17
Switch Features
18
2. Installing the Switch
19
Included Parts
19
Installation Procedures
21
Summary
21
Installation Precautions:
22
1. Prepare the Installation Site
23
2. Installing or Removing mini-GBICs
25
3. Verify the Switch Passes Self Test
27
LED Behavior:
28
4. Mount the Switch
29
Rack or Cabinet Mounting
29
Rack Mounting the Switch 2848
30
Rack Mounting the Switch 2824
32
Horizontal Surface Mounting
35
5. Connect the Switch to a Power Source
35
6. Connect the Network Cables
36
Using the RJ-45 Connectors
36
Connecting Cables to mini-GBICs
36
7. (Optional) Connect a Redundant Power Supply to the Switch
37
8. (Optional) Connect a Console to the Switch
40
Terminal Configuration
40
Direct Console Access
41
Sample Network Topologies
42
As a Desktop Switch
42
As a Segment Switch
43
Connecting to a Backbone Switch
45
Stacking the Switch
46
The Switch in a Redundant Topology
47
3. Configuring the Switch
49
Recommended Minimal Configuration
49
Using the Console Setup Screen
50
Where to Go From Here
52
Using the IP Address for Remote Switch Management
53
Starting a Telnet Session
53
Starting a Web Browser Session
53
4. Troubleshooting
55
Basic Troubleshooting Tips
55
Diagnosing with the LEDs
58
Proactive Networking
62
Hardware Diagnostic Tests
63
Testing the Switch by Resetting It
63
Checking the Switch LEDs
63
Checking Console Messages
63
Testing Twisted-Pair Cabling
64
Testing Switch-to-Device Network Communications
64
Testing End-to-End Network Communications
64
Restoring the Factory Default Configuration
65
Downloading New Switch Software
66
HP Customer Support Services
66
Before Calling Support
66
A. Switch Specifications
67
Physical
67
Electrical
67
Environmental
67
Acoustic
68
Connectors
68
Safety
68
Lasers
68
B. Switch Ports and Network Cables
69
Switch Ports
69
Twisted-Pair Cables
69
Mode Conditioning Patch Cord for Gigabit-LX
71
Installing the Patch Cord
72
Recommended Patch Cords
72
Twisted-Pair Cable/Connector Pin-Outs
73
Straight-Through Twisted-Pair Cable for 10 Mbps or 100 Mbps Network Connections
74
Cable Diagram
74
Pin Assignments
74
Crossover Twisted-Pair Cable for 10 Mbps or 100 Mbps Network Connection
75
Cable Diagram
75
Pin Assignments
75
Straight-Through Twisted-Pair Cable for 1000 Mbps Network Connections
76
Cable Diagram
76
Pin Assignments
76
C. Safety and EMC Regulatory Statements
77
Safety Information
77
Informations concernant la sécurité
78
Hinweise zur Sicherheit
79
Considerazioni sulla sicurezza
80
Consideraciones sobre seguridad
81
Safety Information (Japan)
82
Safety Information (China)
83
EMC Regulatory Statements
84
U.S.A.
84
Canada
84
Australia/New Zealand
84
Japan
84
Korea
85
Taiwan
85
European Community
86
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