HP
J3188A
manual
Security Information
Troubleshooting
Specifications
Install
Signal
Password
Default Description
Connecting Devices to the Hub
Maintenance
IPconfig
Problem Solution
Page 83
Security Information
Setting Outbound Security with Eavesdrop Prevention
Security Information
F-7
Page 82
Page 84
Image 83
Page 82
Page 84
Contents
HP J3188A
Page
HP 10Base-T Hub-16M J3188A
Installation and Reference Guide
Publication Number
Iii
HP 10Base-T Hub-16M J3188A
Front of the Hub
Back of the Hub
Network Connections
Features
Contents
Cables and Connectors
Vii
Security Information
Page
Installing the Hub
Verify the hub operates correctly
Installing and Configuring Your Hub
Verify included parts
Connect the external transceiver
Time
Cord connected directly to the hub for proper operation
Pattern
LED
Rack or Cabinet Mounting
Mount the hub
Table Mounting
Connect the hub to your network
Twisted-Pair Cascade Connections
Connecting Devices to the Hub
Connecting Hubs Together
ThinLAN Connections
Installing
Ohm terminator
Interpreting LED Status
Connecting the Hub-16M to a Fiber-Optic Backbone
Interpreting Hub Status LEDs
Following table provides LED port information
Interpreting Port Status LEDs
Page
Troubleshooting Approaches
Troubleshooting
Problem Solution
Using a Checklist to Diagnose the Hub
Troubleshooting Using a Checklist to Diagnose the Hub
LED Operation
Hub will automatically recover after
Troubleshooting LED Operation
Diagnostic Tips
Power Coll
Clearing a Password for the Ascii Console
Hub Maintenance Tasks
Testing the Hub Only
Obtaining Firmware Enhancements
Troubleshooting Hub Maintenance Tasks
Running Connectivity Tests
Managing the Hub
Setting up the Ascii Console
Managing the Hub
Directly, Using a Serial Cable and a Terminal
Remotely, Using Telnet
Starting the Console
Remotely, Using a Modem and a Terminal
Syntax Conventions on Help Screen
Console Command Reference
Commands are described in the rest of the chapter
Example HE ST This displays help for the Status command
Default Description
BAckup
Range
CDpstatus
COunters
Counter Name Definition Valid Range
DIsconnect
IPconfig
When to Use IPconfig
Following table explains the IP parameters
Configuring for Network Management
Using Novell NetWare IPX
Using IP
MAnagers SHow
Parameter Default Value Definition
To end your editing
Command
Manager Address IP or IPX Receive Alarms?
Table entry with ID 1 would now be a blank line
Displays the other devices that are using CDP protocol
MEssageinterval
NEighbor
Community name
PAssword
Clear a password
PIng
RObustness
REset
POrt port ON/OFF
SEcure portSHowCLear
Security Configuration Parameter Definitions
Managing the Hub
Eavesdrop Prevention, must be set to on
Configuring Security on a Single Port
Configuring Security on All Twisted-Pair Ports
Address Selection Authorized
Clearing Security Violation Indicators
Showing the Security Configuration
STatus
SPeed new speed
Status Information What It Means
To send
Network links, see the , Troubleshooting
TEstlink
16M will respond with the correct packet
Page
Following table shows PC connections to the RS-232 port
Cables and Connectors
Recommended Cables
Cable Function Cable Type HP Product Number
Cables and Connectors
Following table shows network connections to the hub
Twisted-Pair Cable for Hub-to-Computer Network Connection
Twisted-Pair Cable/Connector Pin-Outs
Pins 1 and 2 must be a twisted pair
Pins 3 and 6 must be a twisted pair
Minimum pin-out will function correctly
RS-232 Connector and Cable Pin-Outs
Installer for assistance with your cabling requirements
Cable pin-out described below
RS-232 Modem Cable
Signal
Minimum Cable Pinout for Ascii Console Connection
Hub End MDI-X
Twisted-Pair Cable Pin Assignments
Twisted-Pair Straight-Through Cable
Environmental
Specifications
Physical
Electrical
Electromagnetic
Connectors
Specifications
Megahertz XJ2288 Pcmcia card modem
Modem Configuration
US Robotics Courier V.FC/V.34
Supra FAX
Practical Peripherals PM288MT II
Intel 14.4EX
Communication Between the Hub Network Management Station
Network Addressing
Globally Assigned IP Network Addresses
IPX Addressing for Novell NetWare
IP Addresses for IP and Non-IP Networks
IPX Addressing Notes
Company Name/Address
Device IP Configuration
Country
Bootp Process
Using Bootp
Definitions of the table entry fields
Bootp Table File Entries
Page
How Backup Links Work
Backup Links
Additional Notes
Backup Links
Limitations
Hub to a Server
Examples of Backup Links
How the Backup Function Works
Hub to a Switch
Hub can monitor only one link
T e G g e s t i o n
Configuration/Installation Sequence
Configuring a Backup Link
Indications of Backup Link Activation
Identifying the Backup Link
Reactivating the Primary Link
Page
Understanding Network Security
Security Information
Security Information
How Intruder Prevention Works
How Eavesdrop Prevention Works
Authorized MAC address
Assigning the Authorized MAC address
Setting Inbound Security with Intruder Prevention
Send Alarm
Auto Port Disable
Setting Outbound Security with Eavesdrop Prevention
Security Information
Page
Mounting Precautions
Safety and Regulatory Statements
Equipment and should be easily accessible
Power Precautions
Temperature might exceed 45C 113F
Settings to configure
Grounding
Safety Information
Tible de causer des dommages à léquipement
Informations concernant la sécurité
Hinweise zur Sicherheit
Considerazioni sulla sicurezza
Consideraciones sobre seguridad
Safety Information Japanese
Canada
Regulatory Statements
FCC Class a Statement for U.S.A. Only
European Community
Declaration of Conformity
Index
Index
Diagnosing with the LEDs … 2-2 diagnostic tests
Late collision … 3-13 mounting the hub …
LED description … Verifying hub operation …
Page
J3188-90001
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