HP J3188A - Manual

v Contents 1 Installing the Hub Installing and Configuring Your Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1. Verify included parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 2. Connect the external transceiver . . . . . . . . . . . . . . . ....

vii Additional Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2 Examples of Backup Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3 How the Backup Function Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

1 Installing the Hub This chapter describes how to install the hub. Topics in this chapter include ■ installing and configuring the hub ■ connecting devices to the hub ■ connecting hubs together ■ interpreting hub LEDs MUCHO.BK : ch1.fm5 Page 1 Thursday, June 26, 1997 11:37 AM

1-2 Installing the Hub Installing and Configuring Your Hub Inst alli ng t h e Hu b Installing and Configuring Your Hub To install and configure your hub, you must complete five basic tasks. They are: ■ locating and verifying the necessary parts ■ connecting an external transceiver (if necessary) ■ c...

1-3 Installing the Hub Installing and Configuring Your Hub In stalli ng the Hub 1. Plug the power cord into the hub’s power cord receptacle and into an AC (alternating current) power source. If you are using an RPS as your primary power source, refer to the Cisco RPS User Guide for specific instruct...

1-5 Installing the Hub Installing and Configuring Your Hub In stalli ng the Hub 4. Mount the hub The HP Hub-16M can be mounted in two ways: 1. in a rack or cabinet 2. on a table The hardware for mounting the hub is included in the accessory kit (5064-2053) packed with the hub. Before mounting the hu...

1-6 Installing the Hub Installing and Configuring Your Hub Inst alli ng t h e Hu b Table Mounting To place the hub on a table or other horizontal surface, no special tools are necessary. Apply the four feet included in the accessory kit onto the bottom of the hub. Be certain to pick a sturdy table i...

1-7 Installing the Hub Installing and Configuring Your Hub In stalli ng the Hub 5. Connect the hub to your network Reconnect the hub to either an AC power source or the RPS, depending on which source you are using. With the hub mounted, you are now ready to connect the hub to your network. Typical h...

1-8 Installing the Hub Installing and Configuring Your Hub Inst alli ng t h e Hu b Connecting Devices to the Hub To connect a device to the hub, push the RJ-45 plug into the RJ-45 jack until the tab on the plug clicks into place. Connecting Hubs Together Twisted-Pair Cascade Connections To expand yo...

1-9 Installing the Hub Installing and Configuring Your Hub In stalli ng the Hub In the following illustration, the first hub is connected to two end nodes and to a second hub. Note the second hub shows Port 16 connecting to a PC, using a straight through cable with the port in the MDI-X position. Th...

1-11 Installing the Hub Interpreting LED Status In stalli ng the Hub Connecting the Hub-16M to a Fiber-Optic Backbone With an HP Fiber-Optic external transceiver for 10Base-FL networks, you can connect your hub to a fiber-optic backbone. The following illustration shows a hub with an HP Fiber-Optic ...

1-12 Installing the Hub Interpreting LED Status Inst alli ng t h e Hu b Interpreting Hub Status LEDs The hub status LEDs indicate whether the hub is functioning properly. For further details on error conditions indicated by the Status LEDs, see chapter 2, “Troubleshooting”. LED State Meaning of LED ...

1-13 Installing the Hub Interpreting LED Status In stalli ng the Hub Interpreting Port Status LEDs The following table provides LED port information. LED State Meaning of LED Twisted-pair Port (green) On Link beat is detected from the attached node. Off The port is not receiving the link beat signal...

2 Troubleshooting This chapter describes ways to troubleshoot the hub. Topics covered are: ■ troubleshooting approaches ■ using a checklist to diagnose the hub ■ interpreting the LED pattern during self test ■ hub maintenance tasks Troubleshooting Approaches There are three primary ways to diagnose ...

2-2 TroubleshootingUsing a Checklist to Diagnose the Hub T rou bl esh oot in g Using a Checklist to Diagnose the Hub Use the following table to diagnose the problem with your HP Hub-16M. Most problems with the hub can be diagnosed using the LEDs on its front panel. The following section describes th...

2-3 Troubleshooting LED Operation T roubl esh ootin g LED Operation The tables on the following pages list the hub’s LEDs, their possible states, and diagnostic tips to resolve any error conditions. LED patterns indicating problems Diagnostic Tips Power Coll Port LED Sec Fault RPS OFF * * * * * Veri...

2-5 Troubleshooting Hub Maintenance Tasks T roubl esh ootin g Hub Maintenance Tasks There are several hub maintenance tasks you can perform. They include: ■ testing the hub only ■ clearing a password from the ASCII console ■ running connectivity tests Each of these tasks is described in the followin...

2-6 TroubleshootingHub Maintenance Tasks T rou bl esh oot in g Running Connectivity Tests Both the hub and cabling can be tested by running an end-to-end communica-tions test -- a test that sends known data from one network device to another through the hub -- such that you can verify that the data ...

3 Managing the Hub This chapter describes the features available from an ASCII console. Topics include: ■ setting up the ASCII Console ■ console command reference The HP Hub-16M has SNMP that allows you to manage the hub using one of the following utilities: ■ an ASCII console ■ CiscoWorks ■ any SNM...

3-2 Managing the Hub Setting up the ASCII Console M ana gi ng t h e Hu b Directly, Using A Serial Cable and a Terminal To directly connect a terminal to a hub, follow these steps: 1. Connect an ASCII terminal, or a PC emulating an ASCII terminal, to the RS-232 port using an RS-232-C “null modem” cab...

3-3 Managing the Hub Setting up the ASCII Console M ana gi ng t h e Hub Remotely, Using a Modem and a Terminal 1. Use a full-duplex, asynchronous (character-mode) modem only. 2. Connect the modem to the hub’s RS-232 port using an RS-232-C modem cable. (For pin-outs and recommended cables see Appendi...

3-4 Managing the Hub Console Command Reference M ana gi ng t h e Hu b Console Command Reference Enter at least the first two letters of a command to execute it, such as HE for the Help command. The Help command displays a screen like the following, listing all commands. Syntax Conventions on Help Sc...

3-5 Managing the Hub Console Command Reference M ana gi ng t h e Hub To configure one of the hub’s ports for dedicated use in a backup (redundant) link to another hub. An HP Hub-16M allows you to use any two of its network ports for a redundant link to another hub in your network. The backup link no...

3-6 Managing the Hub Console Command Reference M ana gi ng t h e Hu b To enable or disable the Cisco Discovery Protocol (CDP). The command takes either an ON or an OFF argument. The initial setting is ON. ON enables the protocol. OFF disables it. If no option is chosen, the current status is shown. ...

3-7 Managing the Hub Console Command Reference M ana gi ng t h e Hub To terminate the console session and reset the console port baud rate to be automatically sensed . The command also disconnects the phone link if you accessed the console using modems. To set IP (Internet Protocol) configuration pa...

3-8 Managing the Hub Console Command Reference M ana gi ng t h e Hu b Configuring for Network Management If the hub is to be managed from a network management station, it must use the same networking protocol as the network management station. You have these choices: ■ Novell NetWare IPX ■ IP Using ...

3-11 Managing the Hub Console Command Reference M ana gi ng t h e Hub Example: To add the network management station with IP address 190.40.101.10 to the list and to send alarms to that station, the process would appear as follows: Add entry (A), Delete entry (D), or End changes (E): AEnter Manager ...

3-12 Managing the Hub Console Command Reference M ana gi ng t h e Hu b To set or change the password on the hub. The Password is used to prevent unauthorized access to the hub from network management stations, and through the console interface. The hub is initially shipped without a password. Follow...

3-13 Managing the Hub Console Command Reference M ana gi ng t h e Hub To enable (set to ON) or disable (set to OFF) a hub port. The initial setting for all ports is enabled (ON). You can use the Status command to check the current status of all the ports. The <port> parameter can be: ■ twisted...

3-14 Managing the Hub Console Command Reference M ana gi ng t h e Hu b The Late Collision Monitoring option monitors ports for excessive late collisions. If monitored ports experience excessive late collisions, these ports are disabled. See the section on Auto-Partitioning in the chapter that provid...

3-16 Managing the Hub Console Command Reference M ana gi ng t h e Hu b Configuring Security on a Single Port To set or change the security configuration for a single port on the hub (twisted-pair or AUI), enter SE and the port’s ID; for example, SE 4 . The port’s current security configuration is di...

3-18 Managing the Hub Console Command Reference M ana gi ng t h e Hu b ■ S end Alarm when intruder detected? and Eavesdrop prevention? : These parameters are defined earlier in the chapter under “Security Configuration Parameter Definitions”. The values you select for these parameters will be applie...

3-19 Managing the Hub Console Command Reference M ana gi ng t h e Hub For Network Management Security. The security violations are indicated by the Security LED flashing and the violating network management station’s address being displayed on the Status command screen. A network management security...

3-21 Managing the Hub Console Command Reference M ana gi ng t h e Hub To run a test of the link between the hub and another IEEE 802.3 device. N o t e The destination device must be able to send an IEEE 802.2 Test Response packet upon receipt of an IEEE 802.2 Test command packet. The HP Hub-16M will...

A Cables and Connectors This appendix lists cables that have been tested and verified for use with the HP Hub-16M. The following topics are covered: ■ recommended Cables ■ twisted Pair Cable/Connector Pinouts ■ RS-232 Connector and Cable Pinouts It also includes minimum pin-out information so, if yo...

A-5 Cables and Connectors RS-232 Connector and Cable Pin-Outs Cabl es an d C o n n e c to rs Minimum Cable Pinout for ASCII Console Connection RS-232 Modem Cable PC end 9-pin male Hub end 9-pin male 2 2 Rx 3 3 Tx 5 5 GND Modem end 25-pin male Hub end 9-pin male Signal 2 3 Tx 3 2 Rx 4 7 RTS 5 8 CTS 6...

A-6 Cables and Connectors RS-232 Connector and Cable Pin-Outs Ca bl es and C o n nec to rs Twisted-Pair Cable Pin Assignments Twisted-Pair Straight-Through Cable Hub End (MDI-X) Computer or Transceiver End (MDI) Signal Pins Pins Signal (receive +)(receive –)(transmit +)(transmit –) 1236 1236 (transm...

B Specifications Physical Electrical The hub automatically adjusts to any voltage between 100-127 and 200-240 volts and either 50 or 60 Hz. The maximum current ratings represent the current that could be drawn with an external transceiver attached to the hub. Environmental Width: 42.5 cm (16.8 in) D...

B-2 Specifications Sp ec ific a tio ns Connectors The RJ-45 twisted-pair ports are compatible with the IEEE 802.3 Type 10Base-T standard. Electromagnetic Emissions: FCC part 15 Class AEN 55022 Class A / CISPR-22 Class AVCCI Level IComplies with Canadian EMC Class A requirements. Complies with Austra...

C Modem Configuration Before installing the modems (one attached to the hub and one attached to the terminal/PC), configure them by either issuing the appropriate AT command or by setting the modem’s switches, as described in the tables in the rest of this appendix. Hayes Smartmodem Optima 28.8 (V.3...

C-2 Modem Configuration Mo dem Co nf igur at io n Practical Peripherals PM288MT II V.34 Intel 14.4EX Supra FAX 288 At the hub end: Issue the following AT command: A0101: AT&F0&C2S0=1Q2&D3&W0 Next Rev: AT&F0&C1S0=1Q2&D3&W0 At the user end: Issue the following AT comman...

D Network Addressing This appendix describes how network address information is obtained and used. Topics covered are: ■ Communications Between Hub and Network ManagementStation ■ IPX Addressing for Novell NetWare ■ IP Addresses for IP and non-IP Networks ■ Using BOOTP Communication Between the Hub ...

D-2 Network Addressing IPX Addressing for Novell NetWare N e tw o rk Add ressi ng IPX Addressing for Novell NetWare The Novell NetWare network operating system uses a proprietary protocol called Internetwork Packet Exchange (IPX). The IPX protocol firmware is always available on an HP Hub-16M; it be...

D-3 Network Addressing IP Addresses for IP and Non-IP Networks N e tw or k Addr essi ng For more information, refer to Internetworking with TCP/IP: Principles, Protocols and Architecture by Douglas E. Comer (Prentice-Hall, Inc., publisher). Device IP Configuration List all the manageable devices on ...

D-4 Network Addressing Using BOOTP N e tw o rk Add ressi ng Time To Live: The number of IP routers a packet is allowed to cross before the packet is discarded. The default value is 32. Increase this value if the hub is managed from a network management station that is more than 32 routers away. The ...

D-5 Network Addressing Using BOOTP N e tw or k Addr essi ng BOOTP Table File Entries An entry in the BOOTP table file /etc/bootptab for an HP Hub-16M would be similar to the following: hphub16M:\ ht=ether:\ha=080009123456:\ip=190.40.101.22:\sm=255.255.255.0:\gw=190.40.101.1:\vm=rfc1048 Definitions o...

E Backup Links This chapter describes how to use Backup Links on the hub. Topics described include: ■ how backup links work ■ examples of backup links ■ configuring a backup link ■ identifying a backup link ■ indications of backup link activation ■ reactivating the primary link How Backup Links Work...

E-2 Backup Links How Backup Links Work Bac kup Li n k s Limitations ■ Each hub can monitor a single backup link (only one backup link can be configured on each hub). But, the hub may be at the remote end of one backup link and at the monitoring end of a backup link to a different hub. ■ A given hub ...

E-3 Backup Links Examples of Backup Links Backu p Li n k s Examples of Backup Links The Backup Link function allows you to specify a backup link between two devices in case the primary link fails. An example of a backup link is shown below. A backup link is a separate path connected between the hub ...

E-4 Backup Links Examples of Backup Links Bac kup Li n k s When the primary link is repaired, you must re-enable the primary port. It is not re-enabled automatically. When the primary port is enabled, the backup port is automatically disabled and returned to backup mode. See “Reactivating the Primar...

E-5 Backup Links Configuring a Backup Link Backu p Li n k s Configuring a Backup Link Configure the Monitoring Hub Only. All configuration of the backup links feature is performed from CiscoView or the ASCII console. On the “remote” device, you only need to make sure the ports used for the primary a...

E-6 Backup Links Identifying the Backup Link Bac kup Li n k s 5. Enable the primary port in software. This step is necessary because until you have completed step 3 (connecting the cables), the test packets cannot be successfully sent through the primary port. The primary port will therefore be disa...

E-7 Backup Links Reactivating the Primary Link Backu p Li n k s Reactivating the Primary Link When the primary link is repaired, you can use any of the following methods to re-enable the primary port: ■ From the ASCII console, select “Port/Segment Configuration”, then “Disable and enable ports optio...

F Security Information This section describes how to set security for your product. It covers the following topics: ■ how intruder prevention works ■ how eavesdrop prevention works ■ setting inbound security with intruder prevention ■ setting outbound security with eavesdrop prevention Understanding...

F-2 Security Information How Intruder Prevention Works S e c u rit y In fo rm atio n How Intruder Prevention Works Intruder Prevention stops an unauthorized computer (or other device) from actively gaining access to the network. When a port is configured for Intruder Prevention, the hub examines the...

F-3 Security Information How Eavesdrop Prevention Works S e c u rit y Info rm a tion Assigning the Authorized MAC address You can assign an authorized MAC address by entering it manually at the hub console interface or at the network management station. Assigning a specific address provides the maxi...

F-5 Security Information Setting Inbound Security with Intruder Prevention S e c u rit y Info rm a tion Auto Port Disable Any port may be configured to be disabled automatically when an intruder’s MAC address is detected. This feature is automatically controlled by your selection of the Authorized A...

G Safety and Regulatory Statements This chapter covers the following topics: ■ mounting precautions ■ power precautions ■ safety and regulatory statements ■ Declaration of Conformity Mounting Precautions When you put a hub into a rack, follow these mounting precautions: ■ The rack or cabinet should ...

G-2 Safety and Regulatory Statements Power Precautions Sa fe ty a n d Re gu la tory S tat em e n ts N o t e If your installation requires a different power cord than the one supplied with the hub, be sure to use a power cord displaying the mark of the safety agency that defines the regulations for p...

G-3 Safety and Regulatory Statements Safety Information Safe ty a n d Regula tory S tat eme n ts Safety Information Grounding These are safety class I products and have protective earthing terminals. There must be an uninterruptible safety earth ground from the main power source to the product’s inp...

G-4 Safety and Regulatory Statements Informations concernant la sécurité Sa fe ty a n d Re gu la tory S tat em e n ts Informations concernant la sécurité Cet appareil est un produit de classe I et possède une borne de mise à la terre. La source d'alimentation principale doit être munie d'une prise d...

G-5 Safety and Regulatory Statements Hinweise zur Sicherheit Safe ty a n d Regula tory S tat eme n ts Hinweise zur Sicherheit Dies ist ein Gerät der Sicherheitsklasse I und verfügt über einen schützenden Erdung-sterminal. Der Betrieb des Geräts erfordert eine ununterbrochene Sicherheitserdung von de...

G-6 Safety and Regulatory Statements Considerazioni sulla sicurezza Sa fe ty a n d Re gu la tory S tat em e n ts Considerazioni sulla sicurezza Questo prodotto è omologato nella classe di sicurezza I ed ha un terminale protettivo di collegamento a terra. Dev'essere installato un collegamento a terra...

G-7 Safety and Regulatory Statements Consideraciones sobre seguridad Safe ty a n d Regula tory S tat eme n ts Consideraciones sobre seguridad Este aparato se enmarca dentro de la clase I de seguridad y se encuentra protegido por una borna de puesta a tierra. Es preciso que exista una puesta a tierra...

G-9 Safety and Regulatory Statements Regulatory Statements Safe ty a n d Regula tory S tat eme n ts Regulatory Statements FCC Class A Statement (for U.S.A. Only) This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. The...

G-10 Safety and Regulatory Statements Declaration of Conformity Sa fe ty a n d Re gu la tory S tat em e n ts Declaration of Conformity The following Declaration of Conformity for the HP J3188A Hub-16M complies with ISO/IEC Guide 22 and EN 45014. The declaration identifies the product, the manufactur...

Index – 1 Index Numerics 50-ohm terminator for a ThinLAN cable segment … 1-10 A Activity LED … 1-4, 1-12, 2-5address selection method … 3-14ASCII console … 3-1AUI/Xcvr LED … 1-13Authorized MAC address assigning an address … 3-15methods for selecting … 3-14 authorized MAC address … F-2 assigning … F-...