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MUCHO.BK : cvrf-r1.ft5 Page 1 Thursday, June 26, 1997 11:37 AM
Installation and
Reference Guide
HP J3188A
HP 10Base-T Hub-16M
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MUCHO.BK : cvrf-r1.ft5 Page 2 Thursday, June 26, 1997 11:37 AM
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MUCHO.BK : ch0.fm5 Page i Thursday, June 26, 1997 11:37 AM HP 10Base-T Hub-16M (J3188A) Installation and Reference Guide
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MUCHO.BK : ch0.fm5 Page ii Thursday, June 26, 1997 11:37 AM © Copyright 1997 Hewlett-Packard Company Disclaimer All Rights Reserved. The information contained in this document is subject to change without notice. This document contains information which is protected by copyright. Reproduction, adaptation, or translation without HEWLETT-PACKARD COMPANY MAKES NO WARRANTY prior permission is prohibited, except as allowed under the OF ANY KIND WITH REGARD TO THIS MATERIAL, copyright laws. IN
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MUCHO.BK : ch0.fm5 Page iii Thursday, June 26, 1997 11:37 AM HP 10Base-T Hub-16M (J3188A) HP 10Base-T Hub-16M (J3188A) The HP 10Base-T Hub-16M (J3188A) is a multiport repeater with 16 twisted- pair ports, and one AUI port. With this hub, you can connect computers, printers, and servers together for file sharing. This hub is compliant with the IEEE 802.3 Type 10Base-T standard and supports both 802.3 and Ethernet networks. The HP Hub-16M follows these two standards by providing these fea
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MUCHO.BK : ch0.fm5 Page iv Thursday, June 26, 1997 11:37 AM HP 10Base-T Hub-16M (J3188A) Features Network Connections • Sixteen RJ-45 (twisted-pair) ports to connect to end nodes or other devices. • A Media Dependent Interface (MDI) switch for Port 16 which allows you to connect either an end node (MDI-X position) or to cascade a hub (MDI position) to the port, using a “straight-through” twisted-pair cable in both cases. Ports 1 through 15 always are MDI-X. Port 16 has a factory default
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MUCHO.BK : mucho.TOC Page v Thursday, June 26, 1997 11:37 AM Contents 1 Installing the Hub Installing and Configuring Your Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1. Verify included parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 2. Connect the external transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 3. Verify the hub operates correctly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 4. Mount th
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MUCHO.BK : mucho.TOC Page vi Thursday, June 26, 1997 11:37 AM A Cables and Connectors Recommended Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Twisted-Pair Cable/Connector Pin-Outs . . . . . . . . . . . . . . . . . . . . . . . A-3 Twisted-Pair Cable for Hub-to-Computer Network Connection . . . . A-3 RS-232 Connector and Cable Pin-Outs . . . . . . . . . . . . . . . . . . . . . . . . . A-4 Minimum Cable Pinout for ASCII Console Connection . .
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MUCHO.BK : mucho.TOC Page vii Thursday, June 26, 1997 11:37 AM Additional Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2 Examples of Backup Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3 How the Backup Function Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3 Configuring a Backup Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-5 Configuration/Installation
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MUCHO.BK : mucho.TOC Page viii Thursday, June 26, 1997 11:37 AM
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MUCHO.BK : ch1.fm5 Page 1 Thursday, June 26, 1997 11:37 AM 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
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MUCHO.BK : ch1.fm5 Page 2 Thursday, June 26, 1997 11:37 AM Installing the Hub Installing and Configuring Your Hub 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) ■ connecting the hub to a power source ■ mounting the hub ■ connecting the hub to your network 1. Verify included parts Each Hub-16M has the following components shi
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Installing the Hub MUCHO.BK : ch1.fm5 Page 3 Thursday, June 26, 1997 11:37 AM Installing the Hub Installing and Configuring Your 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 instructions. Note If your RPS is the primary power source for the hub, disconnect the AC power cord connected directly to the hub for proper opera
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MUCHO.BK : ch1.fm5 Page 4 Thursday, June 26, 1997 11:37 AM Installing the Hub Installing and Configuring Your Hub 2. Check the LEDs on the hub’s front panel. When the hub is powered on, it performs a power-on self test. See the table below for the LED pattern that occurs during the self test. On for 20 seconds, On for five then enters seconds, then On for 20 seconds, normal operating enters normal then enters state. operating normal operating state. state. LED Pattern Port LEDs, ON f
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Installing the Hub MUCHO.BK : ch1.fm5 Page 5 Thursday, June 26, 1997 11:37 AM Installing the Hub Installing and Configuring Your 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 hub, unplug it. See Appendix G, “Safety and Regulatory Standards,” for general mounting precautions. Rack or Cabinet Mounting Warning The rac
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MUCHO.BK : ch1.fm5 Page 6 Thursday, June 26, 1997 11:37 AM Installing the Hub Installing and Configuring Your Hub 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 in an uncluttered area. You may want to secure the hub’s cables to the leg of the table to prevent people from tripping over them. 1-6 Installing the Hub
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Installing the Hub MUCHO.BK : ch1.fm5 Page 7 Thursday, June 26, 1997 11:37 AM Installing the Hub Installing and Configuring Your 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 hub connections are: ■ hub-to-device connections. Connecting to network devices such as computers, and printers. ■ hub-to-hub connections. C
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MUCHO.BK : ch1.fm5 Page 8 Thursday, June 26, 1997 11:37 AM Installing the Hub Installing and Configuring Your Hub 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. RJ-45 Connector unshielded twisted-pair cable Category 3, 4, or 5 Cat 3, 4 maximum distance: 100 meters Connecting Hubs Together Twisted-Pair Cascade Connections To expand your network, the hub can be connected to other hubs with str
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Installing the Hub MUCHO.BK : ch1.fm5 Page 9 Thursday, June 26, 1997 11:37 AM Installing the Hub Installing and Configuring Your 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. Straight- Through Cable from Hub to PCs Hub attached to Port 16: switch in MDI position and straight-through cable is used. Up to 100 met
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MUCHO.BK : ch1.fm5 Page 10 Thursday, June 26, 1997 11:37 AM Installing the Hub Installing and Configuring Your Hub You can connect up to 30 hubs together on a common ThinLAN segment. The ThinLAN segment can include a computer attached to a hub at one end of the segment that can communicate with a computer attached to another hub at the other end of the segment. By using the BNC port on the module, the maximum repeater hop-count increment through the entire segment is only two. The follow
