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Table 2–1 Isolating Network Connection Faults

Symptom

Probable Cause

Action

LED cycles
repeatedly from
solid amber (for 50
seconds), then to
solid green for a
period of time, and
then to solid amber
again.

Faulty cable
between the module
and concentrator
(Link Error
Rate threshold
exceeded).

Replace the cable.

LED flashes green
and does not
change to solid
green when the
cable is connected.

Faulty module

cable or connection.

Verify the integrity of the cable.

Replace if defective. Verify
that the connection is between
transmit to receive and receive
to transmit.

(continued on next page)

2–7

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Содержание DE520-AA

Страница 1: ...Information Order Number EK DE520 IG C01 March 1999 This manual describes the Fast EtherWORKS PMC Adapter module part number DE520 AA AB AC Revision Update Information This is an updated manual Compaq Computer Corporation Houston Texas ...

Страница 2: ... PARTICULAR PURPOSE GOOD TITLE AND AGAINST INFRINGEMENT This publication contains information protected by copyright No part of this publication may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation 1995 1999 Digital Equipment Corporation All rights reserved Printed in U S A Compaq the Compaq logo and the Digital logo registered in U S Patent a...

Страница 3: ...this equipment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determi...

Страница 4: ......

Страница 5: ...paring to Install the PMC Adapter Module 2 3 Installing the PMC Adapter Module 2 4 Connecting to the Network AA and AC Variants Only 2 5 Verifying the PMC Adapter on the Network 2 8 A Problem Solving B General Information Physical Description B 1 Functional Components B 1 LEDs B 2 Interrupt Request IRQ Lines B 2 Electrical Parameters B 2 Operating Environment B 3 v ...

Страница 6: ...or Support C 3 Summary C 4 Figures 1 1 Block Diagram of the PMC Adapter Module 1 3 1 2 Connector and LEDs 1 4 2 1 Contents of Shipping Package 2 2 2 2 Installing the PMC Adapter Module 2 4 2 3 Connecting to the Network 2 6 B 1 RJ 45 Connector Front View B 4 B 2 J4 Connector Top View B 6 Tables 1 1 Descriptions of Connector and LEDs 1 4 2 1 Isolating Network Connection Faults 2 7 A 1 Fault Isolatio...

Страница 7: ...e main features of the PMC Adapter module The RJ 45 connector and LEDs How to install the PMC Adapter module in your computer Problems you could encounter when you install the module and the possible solutions To install the module you need to understand the basic concepts and uses of Ethernet networks and be familiar with your system For customer support in the U S call 1 800 354 9000 For custome...

Страница 8: ...tion Description Note A note contains information of special importance Caution A caution contains information to prevent damage to the equipment PN Part number 1 A number in a black circle in text refers to the corresponding number in an accompanying illustration viii ...

Страница 9: ...onnection The module automatically senses and switches to the correct speed For information about the Fast Ethernet technology see Appendix C The DE520 Adapter is available in three versions DE520 AA PMC with an unshielded Adapter Cable DE520 AB PMC with P14 Connector I O DE520 AC PMC with a shielded Adapter Cable Features The Fast EtherWORKS PMC Adapter module has the following features High perf...

Страница 10: ...0BASE T 10 Mb s with Category 3 4 or 5 cabling Configurable by software to operate in full duplex mode increasing the aggregate bandwidth up to 20 Mb s and 200 Mb s Compliance with PCI revision 2 0 and 2 1 of the PCI Local Bus Specification Compliance with FCC Class A and CISPR 22 Class A Lifetime warranty with return of the warranty registration card to Compaq 1 2 ...

Страница 11: ... of the PMC Adapter module Figure 1 1 Block Diagram of the PMC Adapter Module DECchip 21140 100 Mb s Physical Interface 10 Mb s Physical Interface Serial ROM 10 100 Mb s Magnetics Network Port and Switch RJ45 LJ 04213A AI4 PCI Bus 1 3 ...

Страница 12: ...connector is a low profile connector requiring the module s cable to connect to UTP Category 3 4 or 5 cable 2 100 Mb s status LED An amber LED that lights when the 100 Mb s mode is selected This LED does not light when 10 Mb s mode is selected 3 Activity status LED An amber LED that lights when an RX receive packet is received or a transmission TX is in process 4 Link status LED A green LED that l...

Страница 13: ...erial number and model number of the part to be replaced or the field replaceable unit FRU that was identified as faulty during the diagnostic support process Authorization and instructions on how to return the product are provided when you call At the same time a replacement product is ordered Turn around time for a replacement is typically two days in the U S OEMs are responsible for returning t...

Страница 14: ... Wherever possible it is advisable to keep a copy of the original invoice that contains the ship date and the DEC Order Number This information could be needed to verify that warranty is still in effect especially if there has been a long staging or installation period If the product arrives dead on arrival DOA or defective that is it cannot be powered up contact the location where the product was...

Страница 15: ...omputer documentation for this information Checking Package Contents Check the shipment for damage and missing parts Remove the contents from the box and place them nearby until you are ready to install the module Caution Static electricity can damage modules and electronic components Compaq recommends using a grounded antistatic wrist strap and a grounded work surface when handling any modules No...

Страница 16: ...99 06557 00 An antistatic bag containing the PMC Adapter module 3 17 04307 01 A 1 meter unshielded cable designed for the DE520 AA module or 17 04842 01 A 1 meter shielded cable designed for the DE520 AC module Figure 2 1 Contents of Shipping Package In s ta ll a ti o n 1 3 2 ML011722 2 2 ...

Страница 17: ...itry 2 Remove the motherboard from the computer chassis according to the instructions in your computer documentation 3 If you have not already done so attach an antistatic ground strap to your wrist and clip the other end of the strap to the computer s chassis ground 4 Remove the cover from the PMC slot 5 Remove the module from the protective bag The mounting hardware screws and standoffs are on t...

Страница 18: ...Insert the module s bezel into the cutout on the front panel of the motherboard 1 as shown in Figure 2 2 3 Engage the connectors 2 making sure they are seated completely 4 Secure the four screws 3 through the clearance holes on the reverse side of the motherboard 5 Replace the motherboard in the backplane Figure 2 2 Installing the PMC Adapter Module 76 60 Keying Pin 1 3 2 ML011723 2 4 ...

Страница 19: ...1 to the low profile connector 2 on the module see Figure 2 3 2 AA variant Attach the other end of the cable to a standard UTP Category 5 cable such as an unshielded twisted pair office crossover cable PN BN24F or an 8 pin MP to 8 pin MP TIA EIA straight cable PN BNG25G AC variant Attach the other end of the cable to a standard shielded Category 5 cable such as a shielded twisted pair office cross...

Страница 20: ...roperly If you observe any other indication see Table 2 1 to isolate and correct the problem Table 2 1 lists problems you may encounter when you connect the module to a network device Note The fault analysis in Table 2 1 assumes that the computer was operating properly before you began the installation process and that the self test passes with the cable attached 2 6 ...

Страница 21: ...mber again Faulty cable between the module and concentrator Link Error Rate threshold exceeded Replace the cable LED flashes green and does not change to solid green when the cable is connected Faulty module cable or connection Verify the integrity of the cable Replace if defective Verify that the connection is between transmit to receive and receive to transmit continued on next page 2 7 ...

Страница 22: ...t the cable between the concentrator and the module If you verify that the cable is good test the concentrator If the concentrator is functional replace the module Verifying the PMC Adapter on the Network To verify that the module is operational in the network use the ping telnet rlogin and ftp services of your TCP IP environments To establish a valid 100 Mb s connection connect a UTP Category 5 c...

Страница 23: ...n The monitor is not on or not connected to the video board Be sure the monitor cable is firmly connected to the video board Set the monitor s power switch to ON The network cable is loose Secure the cable The PMC Adapter module is preventing your system from operating correctly Disconnect the module s cable from the module Turn your system off reseat the module then turn your system on again If t...

Страница 24: ...mptom Possible Cause Recommended Action A conflict exists with another module IRQ settings are incorrect PMC slot is not enabled for bus mastering Check the module s settings in the Installation utility Check that the slot is enabled A 2 ...

Страница 25: ... by 74 mm and is constructed using four layer circuit board technology with two signal layers and two power ground layers Functional Components The PMC Adapter module consists of the following components Single low profile RJ 45 connector that operates at either 10 Mb s or 100 Mb s DECchip 21140 Three LEDs that indicate speed transmit and receive network activity and link status Cable that connect...

Страница 26: ...en 100 Mb s mode is selected and does not light when 10 Mb s mode is selected Activity status Amber This LED lights when there is transmit and receive network activity Link status Green This LED lights to indicate a good network connection and does not light when the link is in a failed state Interrupt Request IRQ Lines The IRQ lines can be set to IRQ5 IRQ9 IRQ10 IRQ14 IRQ15 or any valid IRQ Elect...

Страница 27: ...ur computer documentation for this information Operating Environment Table B 3 lists the recommended operating environment specifications for the PMC Adapter module Table B 3 Operating Environment Condition Value Temperature at sea level 0 C to 50 C 32 F to 122 F Relative humidity 10 to 90 noncondensing Radiated emissions FCC Class A CISPR 22 Class A CEmark Class A B 3 ...

Страница 28: ... T and 100BASE TX twisted pair network connectors share the same signal pins as shown in Figure B 1 Pin Number Signal Name 1 Transmit 2 Transmit 3 Receive 4 Ground 5 Ground 6 Receive 7 Ground 8 Ground Figure B 1 RJ 45 Connector Front View LJ 00661 AI7 1 2 3 4 5 6 7 8 B 4 ...

Страница 29: ...riant Only The 10BASE T and 100BASE TX twisted pair network connectors share the same signal pins as shown in Figure B 2 Pin Number Signal Name 56 Transmit 57 Transmit 58 Ground 59 Ground 60 Receive 61 Receive 62 No charge 63 Ground 64 Ground B 5 ...

Страница 30: ...Figure B 2 J4 Connector Top View 1 64 ML014602 2 63 62 61 60 59 58 57 56 55 R14 R16 J4 B 6 ...

Страница 31: ...5 unshielded twisted pair office cable To connect a module to a wall plate from a repeater BN26M xx Category 5 sheath shielded twisted pair office cable To connect a module to a shielded wall plate BN24F xx Category 3 unshielded twisted pair office cable with crossover 4 conductor 2 twisted pair To connect one module at 10 Mb s to another module at 10 Mb s BN26N xx Category 3 sheath shielded twist...

Страница 32: ......

Страница 33: ... high performance LAN interface technologies The computer LAN industry has responded with several new technologies to address price bandwidth and availability These include FDDI shared and switched with without full duplex Fast Ethernet 100BASE TX FX T4 shared and switched access with without full duplex ATM 100VG AnyLan Of all of these technologies Fast Ethernet 100BASE T is a technology that can...

Страница 34: ... that developed the original Ethernet standard This technology is designed to be the most direct and simple evolutionary extension of 10BASE T Ethernet The key to its simplicity is Fast Ethernet s use of the proven Carrier Sense Multiple Access Collision Detection CSMA CD protocol defined in the Ethernet Media Access Control MAC layer The 100BASE T MAC is a scaled up version of the MAC used in 10 ...

Страница 35: ...ls and software used in 100BASE T networks Management software Fast Ethernet LANs can be managed with existing Simple Network Management Protocol SNMP management application software and today s Ethernet management information bases MIBs Software support Application and networking software functions unchanged on 100BASE T LANs Flexible migration Automatic speed selection where adapters can run at ...

Страница 36: ...ers become more powerful they are being relocated from local connections to the data center where they need 100 Mb s high speed connections to the network backbone to provide cost effective centralized performance Fast Ethernet technology is true Ethernet and can coexist with 10BASE T It protects past investment in network products and training by leveraging the value of existing 10BASE T cabling ...

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