IBM 5500-01E Operational, Installation, And Maintenance Manual Download Page 78 | Manualshive

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Chapter 5: Troubleshooting

78 Planning, Installation, and Maintenance Guide

Figure 32: Rear View of Ethernet Adapter

WAN Troubleshooting

This section discusses problems with connections to a host over the 5500
Control Unit’s WAN ports. The following is a list of symptoms and
definitions to assist you with problem determination:

55E1I044

No Connection

A connection with the host cannot be
established. This symptom could indicate a
problem with the physical (hardware)
connections, or with the configuration of the
WAN components.

Intermittent or Dropped
Connection

A connection with the host seems to occur,
but the connection is lost after some period
of time.

Slow Connection

A connection with the host is established,
but the transfer of data appears to be slow.

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Summary of Contents for 5500-01E

Page 1: ...S05J 4934 00 5500 Express IP Control Unit Planning Installation and Maintenance Guide...

Page 2: ......

Page 3: ...S05J 4934 00 5500 Express IP Control Unit Planning Installation and Maintenance Guide...

Page 4: ...of this publication may be purchased from an IBM Authorized Dealer or the IBM Software Manufacturing Company 1 800 879 2755 when calling reference Order Number S05J 4934 and Part Number 05J4934 Outsid...

Page 5: ...es the designated serial numbered Machine and 2 at an engineering change level compatible with the feature conversion or upgrade Many of these transactions involve the removal of parts and their retur...

Page 6: ...POSE THESE WAR RANTIES GIVE YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM JURISDICTION TO JURISDICTION SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF EXP...

Page 7: ...g IBM Corporation 500 Columbus Avenue Thornwood New York 10594 U S A Important Safety Information For your safety please read and understand the following safety information Safety Notices Safety noti...

Page 8: ...lectrical outlet Before removing these cables you must first unplug the power cord from the outlet If your 5500 Control Unit is attached to a modem with a telephone connection do not touch the telepho...

Page 9: ...nt Unauthorized changes or modifications could void the user s authority to operate the equipment This device complies with Part 15 of the FCC Rules Operation is subject to the fol lowing two conditio...

Page 10: ...ung nach dem EMVG Gerate d rfen an Orten f r die sie nicht ausreichend entst rt sind nur mit besonderer Genehmigung des Bundesmin esters f r Post und Telekommunikation oder des Bundesamtes f r Post un...

Page 11: ...e service and information from the PC Company BBS at 1 919 517 0001 The BBS supports communications up to 14 4KB with 8 bits no parity and 1 stop bit This BBS is mirrored on the Internet at FTP PCCO I...

Page 12: ...rs About This Book This book describes the planning installation and maintenance procedures for the IBM 5500 Express IP Control Unit Throughout this book the IBM 5500 Express IP Control Unit is referr...

Page 13: ...em Solving on page 87 and the appendixes How This Book Is Organized This publication is organized into the following sections Chapter 1 Introducing the IBM 5500 Express IP Control Unit on page 23 is a...

Page 14: ...you when reading this document Related Information Information about the following topics is available at http www networking ibm com 525 Installing the PC adapter 5250 Express Installation and Test...

Page 15: ...Installation and Maintenance Guide Copyright IBM Corporation 1998 xv Using the 5250 TCP IP over twinax driver complimentary from IBM Also you can access online help from the 5500 unit s configuration...

Page 16: ...xvi Planning Installation and Maintenance Guide...

Page 17: ...umber 27 Hardware List 28 Product Specifications 28 Physical 28 Environmental 28 Electrical 29 Powering On 29 Electrical Wiring Requirements 29 Installing and Configuring Process 29 Chapter 2 Planning...

Page 18: ...5500 Control Unit 60 Configuring the IBM 5500 Controller ID 61 Configuring the Twinax Network 61 Configuring the LAN 62 Configuring the WAN 62 Configuring SOCKS Host for Network Station 63 Saving and...

Page 19: ...r 97 Twinax Test 98 Twisted Pair Test 99 Troubleshooting Twinax Cable Problems 100 Determining Your Problem Category 101 Adding the 5500 Control Unit to Existing Twinax Cable Runs 101 Testing Cable Te...

Page 20: ...out 161 WAN Connectors 162 Ethernet Connector 163 Appendix C Required Configuration and Worksheet 5500 Control Unit Configuration Data 165 Configuration Data Worksheet 168 Appendix D Using the IBM 525...

Page 21: ...d 52 Figure 21 Example of the IBM 5500 Front Panel 53 Figure 22 Windows 9X Example of Network Settings 56 Figure 23 Example of IBM5250 PCI Express Adapter Properties 57 Figure 24 Example of IP Address...

Page 22: ...ol Unit 130 Figure 67 Distribution Panel to Control Unit 131 Figure 68 Distribution Panel to Work Stations Except Last Workstation 132 Figure 69 Last Workstation 132 Figure 70 Last Workstation Failing...

Page 23: ...the clients and the AS 400 Figure 1 Example of the IBM 5500 Express IP Control Unit Although the clients physically connect to the twinax cable these connections appear to the client s Internet Proto...

Page 24: ...wing section describes the AS 400 and the twinax client connections Remote AS 400 Connection Requirements All communication through the 5500 Control Unit to the remote AS 400 is based upon internet pr...

Page 25: ...t is not a Router or a DHCP Relay Agent Thus 5500 twinax clients cannot make DHCP requests unless there is a DHCP Server on the twinax segment or a DHCP Server on a 5500 LAN segment and the twinax sub...

Page 26: ...industry standards for twinax cables Refer to Twinax Client Cabling Requirements and Problem Solving on page 87 for more technical information concerning twinax cables Note Cables are not supplied wit...

Page 27: ...ot be dialed into by other devices 2 Cables are not supplied with the 5500 Control Unit LAN and WAN Connections Refer to Figure 16 on page 50 to view the LAN and WAN connections Connections by 5250 Mo...

Page 28: ...Planning Installation and Maintenance Guide this manual Safety Information book SD21 0030 Product Specifications The following specifications apply to all models except where indicated Physical Enviro...

Page 29: ...not use conduit as the only grounding means IBM is not responsible for power outlet wiring Installing and Configuring Process Following is an abbreviated flow of the installation and configuration pro...

Page 30: ...Chapter 1 Introducing the IBM 5500 Express IP Control Unit 30 Planning Installation and Maintenance Guide...

Page 31: ...and location of the client workstations The number and location of the 5500 Control Units including which clients workstations should attach to each 5500 Control Unit The location of power outlets fo...

Page 32: ...th The distance across the floor to the device The distance from the floor to the device When determining cable lengths make sure you do not exceed the maximum cable lengths for your configuration For...

Page 33: ...m 2000 ft 305 m 1000 ft 610 m 2000 ft 457 m 1500 ft 2EX or 2EN with upgrade kit Hub to Device 548 m 1800 ft 274 m 900 ft 671 m 2200 ft 503 m 1650 ft 2FX 5500 to Hub 610 m 2000 ft 305 m 1000 ft 610 m 2...

Page 34: ...curity Auditability and Control This product uses the security and auditability features of the AS 400 hardware software and application software You are responsible for evaluation selection and imple...

Page 35: ...Express enabled Hubs and Multiplexers IBM 7299 Figure 8 is an example of an IBM 5500 remotely connected to an AS 400 through asynchronous or ISDN modem Figure 8 IBM 5500 Express WAN Connectivity AS 4...

Page 36: ...ted to an AS 400 and the Internet using an Internet Service Provider ISP The 5250 Express Client connects to the IBM 5500 using an IBM 7299 Express Hub Figure 9 IBM 5500 Express Connectivity Through a...

Page 37: ...the IBM 5500 allows Express enabled TCP IP clients to communicate with a CISC White Box AS 400 Figure 10 IBM 5500 in an Express Environment AS 400 55E1I005 Twinax Express TCP IP Twinax Express TCP IP...

Page 38: ...S 400 using a Frame Relay and 2210 Routers An IBM 5494 may also be connected for legacy twinax support Figure 11 Frame Relay Connectivity Using 2210 Routers AS 400 55E1I006 Twinax SNA Client Twinax Ex...

Page 39: ...an IBM 5494 equipped with token ring to Frame Relay bridge support Figure 12 Frame Relay Connectivity AS 400 55E1I07A IBM Network Station TCP IP Client Twinax NPT Twinax SNA Client 5500 Express IP Co...

Page 40: ...such as Switch Type Service Profile IDs SPIDs Directory Numbers DNs Terminal Endpoint Identifiers TEIs and Call Type must be entered and saved on your ISDN modem Typically these fields can be configur...

Page 41: ...PCs with 5250 Express emulation adapters Connection to AS 400 through WAN interface of 2210 router LAN connection to 2210 and existing 5494 with twinax workstations initially connected to the 5494 mi...

Page 42: ...request will fail If a LAN attached device performs the function of a router to the Internet then the IP address of that device should be used as the default gateway for that network segment This acti...

Page 43: ...contiguous 64 address ranges between 100 100 100 0 and 100 100 100 255 In this example the twinax workstations use the upper end of the available range of addresses in this case 100 100 100 192 throug...

Page 44: ...ation and Maintenance Guide Figure 14 Example of Network before Installing the IBM 5500 5494 AS 400 Original Network Token Ring LAN Subnet mask 255 255 255 0 Address range 100 100 100 0 through 100 10...

Page 45: ...Transparent or default setting allows non twinax devices to include the twinax subnet in the Network Neighborhood and the twinax devices subnet to include the non twinax subnet in the Network Neighbor...

Page 46: ...eight ports of a Dual Mode WSC the two mini controllers must be reconfigured to function as a single controller an action resulting in a loss of performance Setting the 5500 Control Unit s Dual Mode o...

Page 47: ...NS user from selecting the ROAM button to login the NSM administrator must edit or create the file defaults dft on the NSM Host Configuration Server This file resides in the configs directory of the...

Page 48: ...Chapter 2 Planning Your Installation 48 Planning Installation and Maintenance Guide...

Page 49: ...re list and all cables and parts required for installation Place the workstations and the 5500 Control Unit in their appropriate location and attach the twinax breakout box to the unit Attach your cli...

Page 50: ...ter and IBM 5250 Express TCP IP software1 with Netscape Navigator 3 0 or Microsoft Internet Explorer 4 0 Rear View of 5500 Control Unit Figure 16 is a view of the rear connections of the 5500 Control...

Page 51: ...g a Twinax Workstation Refer to Figure 18 and attach the PC to the breakout box Figure 18 Attaching the PC to the Twinax Breakout Box Refer to Figure 19 and attach the twinax workstation to the twinax...

Page 52: ...n the switch Matches the voltage range for your area you are ready to attach the power cord to your unit Does not match the voltage range for your area reset the voltage setting by sliding the switch...

Page 53: ...ready when the Ready LED is yellow and the Test LED is off not lighted The unit is now operational and ready for initial configuration as described in Configuring the 5500 Express IP Control Unit on p...

Page 54: ...Chapter 3 Installing the 5500 Express IP Control Unit 54 Planning Installation and Maintenance Guide...

Page 55: ...stations in your network The 5500 Express IP Control Unit Twinax Connected PC Workstation Refer to the 5250 Express Hardware User s Manual S88H 0277 for installing and configuring the adapter in your...

Page 56: ...the IBM 5250 Adapter icon and click the Properties button 2 Select the Advanced Tab see Figure 23 on page 57 Note If you do not see the IBM 5250 PCI Express Adapter in the list you will need to instal...

Page 57: ...ddress and enter the Value 0 and click the OK button 4 From the Network window select TCP IP for the 5250 Adapter and click the Properties button Select the IP Address tab to view a similar example of...

Page 58: ...following shows examples of directories and protocols supported by an AS 400 2 The configuration directory is QIBM ProdData NetworkStation Configs 3 The protocol is RFS 400 4 The TCP IP address chang...

Page 59: ...ationPlus Program Before configuring the 5500 control unit the following must be available A correctly configured workstation client connected to twinax port 0 of the 5500 Control Unit breakout box Th...

Page 60: ...the page option Select View Internet Options then Settings Use the slider to set the amount of disk space to use for your cache Accessing the 5500 Control Unit From a twinax attached client workstati...

Page 61: ...twork Step 2 From the Twinax Controller Configuration window H20 enter the new IP Address and Subnet Mask required for the Twinax Controller Enter the Default Gateway if required Write down this infor...

Page 62: ...K The system returns to the previous screen H00 Configuring the WAN Step 1 Select the WAN configuration to connect the 5500 Control Unit using a modem Step 2 From the WAN Configuration window H40 sele...

Page 63: ...previous step the system returns to the Configuration window If your configuration is complete and you are ready to activate the new configuration select Activate Step 3 Click on the OK button to shut...

Page 64: ...ol Unit There can only be one administrator ID per 5500 Control Unit Select Create Administration ID and enter an ID and password Your password must contain a minimum of 4 and a maximum of 8 character...

Page 65: ...tilities Provides the following network station functions Erase bookmarks for Network Station Navigator Update Network Station Files on IBM 5500 View Log file from last Network Station level update Re...

Page 66: ...ring the 5500 Express IP Control Unit 66 Planning Installation and Maintenance Guide Attention Only under extreme circumstances should you remove power from the system without going through the normal...

Page 67: ...nfigure Socks Host for Network Station Navigator N10 Erase Network Station Navigator Bookmarks U71 NSM Kernel File Restore U74 NSM Update Log U73 Twinax Network Configuration H20 OK Advanced WAN Confi...

Page 68: ...Chapter 4 Configuring the 5500 Express IP Control Unit 68 Planning Installation and Maintenance Guide...

Page 69: ...e described below The boot sequence should be complete and the 5500 Control Unit is operational If not continue with the next section The normal boot sequence and LED states are as follows 1 The power...

Page 70: ...ion and Maintenance Guide The system is ready when the Ready LED is yellow and the Test LED is off not lighted The unit is now operational and ready for initial configuration as described in Configuri...

Page 71: ...to begin operation Is speaker beeping continuously Unplug and then replug the power cord If the problem persists unplug the power cord and call your service representative Other symptoms Unplug and t...

Page 72: ...the Web http www networking ibm com 525 525supt html Problem during a restore operation diskette mode 2 Configuration data was not on diskette Perform another Retrieve or build Recovery file again Co...

Page 73: ...efer to the respective hardware manual Reboot your unit If this problem persists the Ethernet LAN configuration is incorrect From a client browser open the ConfigurationPlus program and correct the Et...

Page 74: ...f the adapter and for solving problems Figure 28 Rear view of Token Ring Adapter If the green LED is on and the amber LED is off the adapter is operating correctly If the amber LED is blinking and the...

Page 75: ...hutting Down on page 65 and power up your 5500 Control Unit If the problem persists call service Off Blinking The adapter did not detect any problems during its self diagnostic tests and is waiting to...

Page 76: ...itions exists The adapter open failed The adapter detected a wire fault The adapter failed the auto removal test Follow these procedures Verify that the adapter is configured correctly If other statio...

Page 77: ...Errors Actions The diagnostics complete successfully but the connection fails Ensure that the network cable is securely attached Ensure that you are using category 5 cabling when operating at 100 Mbp...

Page 78: ...itions to assist you with problem determination 55E1I044 No Connection A connection with the host cannot be established This symptom could indicate a problem with the physical hardware connections or...

Page 79: ...l connections Modem Cable Is this the correct cable specified by the modem manufacturer The 5500 Control Unit is a DTE Data Terminal Equipment and modems are usually a DCE Data Circuit terminating Equ...

Page 80: ...Asynchronous or ISDN modems are supported Synchronous modems will not work on the 5500 Communication Lines Are all physical switches on the modem set correctly Check the instructions from the manufact...

Page 81: ...nabled If you did not specify Y for enable the interface is not being used Is the correct phone number being used to contact the host If necessary use a regular phone to verify that the host modem ans...

Page 82: ...Host modem for similar problems as listed above Intermittent or Dropped Connection Intermittent connection problems with the host could occur if a true connection was never accomplished and the host...

Page 83: ...mpatible with each other The host may time out after a period of inactivity no data transfers This is often true when connected to an ISP unless special arrangements have been made Slow Connection The...

Page 84: ...same time like that in the 5500 Control Unit The signals from the two ports would get garbled together making twinax communication impossible In order to be compatible with these old multiplexers the...

Page 85: ...ng the IBM 5500 Controller ID on page 61 Network Station Navigator cannot browse Intranet or Internet by name of URL 1 Ensure Host Name Domain and DNS entries are correct in the 5500 Control Unit s Co...

Page 86: ...orized Business Partner IBM Direct at 1 800 IBM CALL 1 800 426 2255 ask for department AE001 To identify your local IBM Authorized Business Partner or IBM representative call 1 800 IBM 4YOU 1 800 426...

Page 87: ...nd twinax over IBM Cabling System DANGER To avoid a shock hazard do not connect or disconnect any cables or perform installation maintenance or reconfiguration of this product during an electrical sto...

Page 88: ...s If this section does not help you solve your problem continue to the section on Twinax Cabling Schemes on page 89 Common Cabling Concerns IBM recommends that you start here to help you understand ca...

Page 89: ...anced Troubleshooting on page 103 Step by step cable debugging See Step by Step Cable Debugging on page 105 Checking cables using a current probe See Steps to Check Cable Using a Current Probe on page...

Page 90: ...multiplexers the Dual Mode operation of the 5500 Control Unit can be set to disabled If you do not want to lose the performance gain associated with this function you can use two multiplexers instead...

Page 91: ...blems References to twinax cabling in this section can refer to all three twinax cabling methods described in this manual Some common cable problems are Power and grounding Wire resistance and attenua...

Page 92: ...gth determined by a resistance measurement to the length measured by a time domain reflectometer can determine whether different sizes of wire exist in the loop that is whether the wiring in the build...

Page 93: ...r As most meters use a voltage to measure resistance you will get incorrect results if there is any voltage present on the cable that you are testing AC or DC Voltage on Signal Wires The following vol...

Page 94: ...trol Unit s twinax brick AC Noise AC Noise on twinax systems is either steady state noise or intermittent transient noise When checking for AC noise consider the possibility that the line is more sens...

Page 95: ...g a single station protector may also be inserted in the twinax line The internal capacitors in this unit offer a high impedance to 50 60Hz but a low impedance to twinax data signals so they will redu...

Page 96: ...m conductor resistance per 1000 feet 305 meters 11 Ohms Maximum shield resistance per 1000 feet 305 meters 3 Ohms Characteristic Impedance at 1 MHz 107 5 Ohms Maximum capacitance 16 2 pf ft Maximum at...

Page 97: ...ls from the twinax ports on the 5500 Control Unit Cables being checked must be connected to a 5500 twinax port Attention Remove and reconnect cables carefully You may damage the connectors if you use...

Page 98: ...tor to the port or cable you are testing or to a twinax adapter attached to the port or cable your are testing Step 3 Note If the twinax plug is needed remove the twinax cable from the twinax cable ho...

Page 99: ...Step 2 Attach the appropriate port tester twisted pair connector to the port or cable you are testing Step 3 Note If you need the twisted pair plug remove it from the cable compartment located at the...

Page 100: ...re used in problem determination The following field procedures are time tested and proven to be dependable and fast DANGER To avoid a shock hazard do not connect or disconnect any cables or perform i...

Page 101: ...for a valid twinax installation cable length routing number of connections 3 3 3 3 Check cables for opens and shorts Refer to Step by Step Cable Debugging on page 105 6 9 9 Check for Ground Potential...

Page 102: ...error rate on an 5500 Control Unit and AS 400 cable runs When this occurs bring the cable up to the specifications Testing Cable Termination A correctly terminated line will have two 55 ohm resistors...

Page 103: ...ld be less than 70 W if over 70 W the phases are crossed If you have Station Protectors in the line you will not get valid resistance readings Either temporarily disconnect the Station Protectors or t...

Page 104: ...nnect both twinax cables from the protector and remove the cover The protector contains 24 diodes The resistance of each diode should be more than 10 000 ohms negative meter lead to anode and less tha...

Page 105: ...and DC between the shield of the removed connector and the shield of the connector from which it was removed This may need to be measured at a number of places along the twinax run An alternate metho...

Page 106: ...For the IBM Cabling System when measuring through the Impedance Matching Device IMD at the system end the minimum reading for termination is 95 ohms and the maximum is 165 ohms 95 ohms termination 14...

Page 107: ...d on a desk Correct assembly of the cable will correct this problem Note A bad connector can be 3 or 4 terminals away from the failing terminal c Look for improper cabling practices such as improper u...

Page 108: ...ally displays on newer devices such as 3180 and 3179 s If you suspect a device without a T connector use a splice connector to bypass it or break and terminate the cable as you continue to meter the c...

Page 109: ...that has the ground wire Excessive AC current flow on the shield of the cable caused by a difference in ground potential between the buildings No grounds or missing grounds on the station protectors...

Page 110: ...s Step 3 Clamp the current probe around each twinax cable off of the twinax attachment box Adjust the trigger level until you see a trace on the oscilloscope similar to one of the traces shown in the...

Page 111: ...div vertical 10 ms div horizontal Figure 41 shows a good shield WSC active someone is signed on to a display station on this WSC and is doing some work Figure 41 10 mv div vertical 10 ms div horizonta...

Page 112: ...n shield WSC only polling system running but no one is signed on to a display station on this WSC Figure 42 10 mv div vertical 10 ms div horizontal Figure 43 shows an open shield WSC only polling syst...

Page 113: ...s You must use an oscilloscope to do this check Note As a customer you install and maintain your cables Use the following precautions DANGER To avoid a shock hazard do not connect or disconnect any ca...

Page 114: ...s Shorted Cable If there is a cable failure that changes the impedance of the cable a part of the signal is reflected back to the signal source If the cable failure causes the impedance to be lower th...

Page 115: ...istance The example in Figure 45 on page 116 is for a solid measuring distance with the B time div set to 0 2 microseconds and the number of oscilloscope divisions at 6 Dm t s 105 0 m s Df t s 366 7 f...

Page 116: ...BM P N 1650790 or a BNC to banana plug adapter and multimeter leads One resistor equal to the impedance of the cable 110 Ohms resistor or resistor assembly IBM P N 7362344 One BNC T connector IBM P N...

Page 117: ...uld connect the remote end of the cable to a workstation or you should terminate it as shown in Figure 46 below Figure 46 Terminating a Cable Figure 47 Oscilloscope Setup 55E1I023 Phase B Phase A Cabl...

Page 118: ...Mode to Auto Trig Delay Time Multiplier dial fully clockwise 9 5 Set A and B time division as follows A to 10 microseconds Pull to unlock B to 0 1 microseconds Then adjust as follows Adjust the A tri...

Page 119: ...ion changes by 180 degrees you are seeing the other end of the cable If the displayed signal does not change when the opposite end is shorted the signal reflection is caused by a fault in the cable Co...

Page 120: ...ble After finding mismatches you can measure close to the fault to describe it more accurately Faults too close to the tested end of the cable within 6 m 20 ft cause reflections to occur within the ri...

Page 121: ...isions from the start They represent very small mismatches at the workstation connectors These mismatches are at a distance of 26 m 85 ft and 50 m 164 ft from the start Figure 53 Shorted Cable Higher...

Page 122: ...ble with an open end This display is caused by the wrong vertical gain setting 0 5 V div and the wrong B time div Only the first reflection in this figure is important and should be magnified by chang...

Page 123: ...mpedance change Figure 56 Short to Shield Figure 57 shows the same condition as in Figure 56 but with the alligator clips interchanged In this figure the same short is easier to identify because of th...

Page 124: ...ct Cable Check Figure 58 shows an impedance matching device IBM P N 6091070 Note The resistor assembly is not present for direct connect cables Figure 58 Impedance Matching Device Use the following pr...

Page 125: ...ontacts are open when the connector is plugged in Figure 60 IMD or Direct Connect Cable Check Resistance Measurement Measure Resistance From Impedance Matching Device Direct Connect Cable Phase A to g...

Page 126: ...test the twinax Y 1 Install a test connector on the IBM Cabling System connector of the Y as shown in Figure 61 2 Check for the resistances shown in Figure 62 1 2 55E1I037 Socket 2 Phase A Phase A Pha...

Page 127: ...sure Resistance From Resistance Measurement Phase A of red cable to green test lead 1 W Phase B of red cable to red test lead 1 W Phase A of blue cable to black test lead 1 W Phase B of blue cable to...

Page 128: ...t for cable drop from distribution panel to workstations except the last workstation on the data path Test for cable drop to last workstation on the data path Test for cable drop between distribution...

Page 129: ...em wall connector 2 Go to the distribution panel and do the following steps using Figure 66 75 O hm s 75 O hm s 20 O hm s 20 O hm s Connection to Control Unit Port R G O B R G O B Distribution Panel Y...

Page 130: ...so that you can restore the original configuration b Disconnect the red cable of the Y or the jumper cable A that connects to the cable drop B going to the control unit c Install a test connector on t...

Page 131: ...n the blue cable of the Y that is connected to the cable drop to be tested Note The test connectors are not required for this test but are recommended for ease of connection 3 Check for the resistance...

Page 132: ...system at the Figure 68 Distribution Panel to Work Stations Except Last Workstation Connect Meter Leads As Shown Below Positive at Red Cable Negative at Blue Cable Normal Resistance Red Red 0 to 14 Wa...

Page 133: ...nnect any Y or jumper cable connected at that end 3 Install a test connector on the cable drop between panels at the distribution panel most distant from the control unit 4 Check for the resistances s...

Page 134: ...logy is one in which a signal connection to the twinax port from the workstation controller attaches to a twinax UTP hub and the outputs from this hub stars out to the individual devices UTP Cabling S...

Page 135: ...r UTP connectivity The most common wiring standard now being used with 4 pair RJ45 connectors is the EIA TIA 568 B Using this standard protects your wiring investment because both 10BaseT Ethernet and...

Page 136: ...ections For solid wire installation RJ plugs straddle the copper wire when crimped Strain relief To provide strain relief to the cable the RJ plug opening must match the cable type round or flat oval...

Page 137: ...le punch block The 110 and KRONE blocks provide superior electrical connection and improve the line isolation over the M66 block The following connectors are not recommended Telco connector RJ21 typic...

Page 138: ...he examples in this section assume that all devices attached using baluns are correctly terminated Depending on the brand and type of the device it can be terminated by Internal device switches Self t...

Page 139: ...connect check the baluns and the UTP cable for faulty RJ plug crimping incorrect plug type indicating that the cable is not straight wired Figure 76 Attaching Baluns Step 3 Use a UTP patch cable to co...

Page 140: ...the terminal balun If the device connects the system wiring is okay Go to step 5 If the device does not connect check for broken wires crossed wires or distance limitations that are causing faulty sys...

Page 141: ...failing component is isolated If the device does not connect check for a patch panel or a punch down block that is defective or mis wired Figure 79 Re Attaching to the Original Configuration H O S T H...

Page 142: ...ax Cables S226 3913 Cabling System Problem Determination Guide for twinaxial applications GA21 9491 Cabling System Planning and Installation Guide GA27 3361 Using the IBM Cabling System with Communica...

Page 143: ...or disconnect any cables or perform installation maintenance or reconfiguration of this product during an electrical storm DANGER To avoid shock hazard The power cord must be connected to a properly w...

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Page 159: ...unit is performing diagnostic testing of the compo nents and system Table 80 LED Flash States Normal Operation provides information about the status of the ready and test LEDs Figure 80 LED Flash Stat...

Page 160: ...Hardware defective contact your service representative On Blinking None See Troubleshooting on page 69 Off Off Continuously Hardware failure your service representative Figure 82 LED States While Usin...

Page 161: ...20 8 7 B A 21 9 8 Pair shielded wire gage 26 7x34 Characteristic impedance 110 10 ohm 1 MHz DC resistance 42 6 ohm 1000 Capacitance between conductors 18 pf 1 1 MHz Capacitance conductor to shield 31...

Page 162: ...environment 3 Reserved 4 Reserved 5 3 Transmit 6 5 Receive 7 Reserved 8 Reserved 9 6 Transmit Table 2 Token Ring Pinout D Shell Connector Pin RJ 45 Connector Pin Usage Figure 83 WAN Port Connector Sig...

Page 163: ...g Indicator 10 Not Connected 23 Not Connected 11 Not Connected 24 Not Connected 12 Not Connected 25 Not Connected 13 Not Connected Figure 83 WAN Port Connector Signal and Pin Assignments 25 Pin Pin Si...

Page 164: ...164 Planning Installation and Maintenance...

Page 165: ...S IBM_5500 Host Name 15 Periods not allowed required for NS support LAB01 Domain 29 Required for NS support my_company com DNS Addresses 1 3 15 Must be valid IP address 8 123 4 5 Twinax Network Config...

Page 166: ...n WAN 0 or 1 n a Selectable Y or N Y Telephone Number 50 Host phone number if enable 704 555 1234 User ID 20 User ID for remote host IBMUSER Password 8 IBM123 Dial Up Server Type n a Selectable PPP SL...

Page 167: ...or 8 8 Stop Bits n a Selectable must be 1 1 5 or 2 1 Modem Compression n a Selectable Y or N Y Configure SOCKS Host for Network Station Navigator SOCKS Host 40 SOCKS Host Name of IP Address SOCKS17 ib...

Page 168: ...uration Values Controller Name 15 Host Name 15 Domain 29 DNS Addresses 1 3 15 Twinax Network Configuration IP Address 15 Subnet Mask 15 Default Gateway 15 Optimized Mode n a 2 Mbps Mode n a Dual Mode...

Page 169: ...Assigned DNS n a Server Assigned IP Address n a IP Address 15 Authentication n a Use IP Header Compression n a Use Default Gateway on Remote Network n a Modem Mfg n a Modem Type n a Baud Rate n a Over...

Page 170: ...P Header Compression n a Use Default Gateway on Remote Network n a Modem Mfg n a Modem Type n a Baud Rate n a Override Initialization String 80 Flow Control n a Parity n a Data Bits n a Stop Bits n a...

Page 171: ...ddr 5 Port 1 Addr 6 Port 2 Addr 0 Port 2 Addr 1 Port 2 Addr 2 Port 2 Addr 3 Port 2 Addr 4 Port 2 Addr 5 Port 2 Addr 6 Port 3 Addr 0 Port 3 Addr 1 Port 3 Addr 2 Port 3 Addr 3 Port 3 Addr 4 Port 3 Addr...

Page 172: ...0 Port 5 Addr 1 Port 5 Addr 2 Port 5 Addr 3 Port 5 Addr 4 Port 5 Addr 5 Port 5 Addr 6 Port 6 Addr 0 Port 6 Addr 1 Port 6 Addr 2 Port 6 Addr 3 Port 6 Addr 4 Port 6 Addr 5 Port 6 Addr 6 Port 7 Addr 0 Po...

Page 173: ...exe 192 680 bytes msdun12 exe Microsoft Windows NT 4 0 Version 4 00 1381 Service Pack 3 or later Upgrade Service Pack 3 installations with the Microsoft fixes available from ftp ftp microsoft com bus...

Page 174: ...This information can be obtained automatically by your computer if your network supports Dynamic Host Configuration Protocol Consult with your 5500 administrator prior to installation to determine if...

Page 175: ...iver place the IBM 5250 Express TCP IP Driver diskette in the disk drive From the list of available drives select the Driver provided by manufacturer This step installs the drivers necessary for your...

Page 176: ...gistry entries are corrupted Reinstall the IBM 5250 Express TCP IP Driver to correct this problem 0x00000007 An attempt to allocate memory for the adapter has failed 0x00000008 The registry key could...

Page 177: ...floppy diskette drive and reboot to run the IBM 5250 diagnostic program 0x00000015 The adapter is online but the 5500 Control Unit is not responding or the cable is not securely attached Please reche...

Page 178: ...se the ConfigurationPlus Program to help find your address Client Access or Personal Communications Users Users of the IBM Client Access or IBM Personal Communications with the IBM 5250 Adapter must r...

Page 179: ...Control Unit Use this selection if you replaced the 5500 Control Unit hardware to restore your previously saved configuration Restore Factory Default Configuration This operation returns your 5500 Co...

Page 180: ...Ready LED blinks should correspond to your desired operation See Fig ure 21 Example of the IBM 5500 Front Panel on page 53 8 Press the Start Stop button to confirm the operation and start the process...

Page 181: ...is the cause of the hard error bit Either of the digits 0 or 1 when used in the binary numeration system bus A linear network topology in which all workstations are connected to a single cable C clie...

Page 182: ...ea network and wide area network M Management Information Base MIB 1 A collec tion of objects that can be accessed by means of a net work management protocol 2 A definition for management information...

Page 183: ...tion Base MIB socks protocol A protocol that enables an application in a secure network to communicate through a firewall via a socks server star A centralized network topology in which all work stati...

Page 184: ...Glossary 184...

Page 185: ...5500 Control Unit 55 5500 to the AS 400 33 connectionless defined 181 connections by model 27 required 24 creating recovery diskette 64 crosstalk 93 D DASD conservation option defined 181 defective u...

Page 186: ...183 slow connection 83 SOCKS host configuration for NC navigator 63 SPIDs Service Profile IDs 80 station protectors functional check 104 station protectors cabling 103 station protectors ground 104 s...

Page 187: ...dates code 85 US Canada hardware warranty statement v utility diskette description of diskette operations 179 restore configuration 179 restore factory default configuration 179 retrieve configuration...

Page 188: ...Index 4...

Page 189: ...u that the information in this book is Very Very Satisfied Satisfied Neutral Dissatisfied Dissatisfied Accurate Complete Easy to find Easy to understand Well organized Applicable to your tasks Please...

Page 190: ...e Please do not staple Please do not staple S05J 4934 00 Cut or Fold Along Line Cut or Fold Along Line NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES FIRST CLASS MAIL PERMIT NO 40 ARMONK NEW YORK...

Page 191: ......

Page 192: ...Printed in the United States of America on recycled paper containing 10 recovered post consumer fiber S05J 4934 00 P05J4934 Part Number P05J4934...

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