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Figure

4-4. Attaching to the 7299

4. Replace patch cords from step 3 on page 4-10 with the punch-down blocks,

and so on, as shown in Figure 4-5. If applicable, use the patch cord from the
wall plate to the terminal balun.

If the host signon screen appears, the system wiring is okay.
Go to step 5 on page 4-12.

If no host signon screen appears, check for broken wires, crossed wires, or
distance limitations that are causing faulty system wiring. For information
about requesting functional tests, see “Potential Problem Areas” on
page 4-12.

Figure

4-5. Attaching Wall Plate to Terminal Balun

Chapter 4. Troubleshooting

4-11

Содержание 1PA

Страница 1: ...7299 Express Family Multiplexers and Hubs for AS 400 IBM Planning Installation and Maintenance Guide S05J 3355 01...

Страница 2: ......

Страница 3: ...7299 Express Family Multiplexers and Hubs for AS 400 IBM Planning Installation and Maintenance Guide S05J 3355 01...

Страница 4: ...made to the information herein these changes will be incorporated in new editions of the publication IBM may make improvements and or changes in the product s and or the program s described in this p...

Страница 5: ...lanning Your Installation 2 1 Laying Out Your Installation 2 1 Cable Run Lengths 2 1 Planning for a Ring or Point to Point Configuration 2 2 Filling Out the 7299 Multiplexer Worksheet 2 2 Describing t...

Страница 6: ...or Terminal Connections Are Unstable 4 5 Verification Checklist 4 6 Debugging the 7299 4 7 Models 2EN 2EX and 2FX 4 7 Models 1PA and 2PA 4 8 Model 8MX 4 8 Debugging the 7299 Cabling 4 9 Potential Pro...

Страница 7: ...ix A Technical Support A 1 Phone Support A 1 Don t Know Your AS 400 Customer Number A 1 WWW Internet Support A 2 BBS FTP Support A 2 Appendix B Notices B 1 Classification of LED Transmitter Device B 1...

Страница 8: ...vi Planning Installation and Maintenance Guide...

Страница 9: ...2EN Model 8MX Model 2EN Upgrade Kit These products are described in Chapter 1 Introducing the IBM 7299 Multiplexer Express Hub and Entry Hub for AS 400 This book provides information for people who Pl...

Страница 10: ...r troubleshooting and ordering information for 6299 products such as the UTP Distribution Block and multiplexers see IBM 6299 Midrange Hub Planning Installation and Maintenance Guide G571 0362 For inf...

Страница 11: ...ling a model 2EX 2EN or 2FX verify that the power cords are firmly attached to the back of the 7299 Then plug the AC power cord into the power outlet When you power on a model 2EX 2EN or 2FX a lamp te...

Страница 12: ...d match the pinout jumper settings you selected above and provides information for future verification and changes 6 Connect the fiber optic cables to each 7299 Multiplexer Because the Multiplexers ar...

Страница 13: ...es directions for installing and maintaining the 7299 Chapter 1 Introducing the IBM 7299 Multiplexer Express Hub and Entry Hub for AS 400 1 1 Chapter 2 Planning Your Installation 2 1 Chapter 3 Install...

Страница 14: ...Planning Installation and Maintenance Guide...

Страница 15: ...ribution from the host to a single remote location The 7299 Host Multiplexer provides all input ports and all their addresses at each of up to three Device Multiplexers See Figure 2 3 on page 2 6 All...

Страница 16: ...t lets you connect and disconnect devices from a host workstation controller port without affecting other devices using the same port Figure 1 1 Sample Installation Express and Entry Hub You can conne...

Страница 17: ...s mode using this mode doubles the overall line speed from 1 Mbps mode to 2 Mbps mode Using both the optimized mode and the 2 Mbps mode can increase the media throughput by almost four times For measu...

Страница 18: ...he AC power line When used with 6299 baluns that filter out noise the 7299 active hubs provide a clear transmission path and prevent noise from disrupting sessions The 7299 Multiplexer also provides 8...

Страница 19: ...iplexer provides its eight ports and all seven addresses for each port at up to three device configured 7299 Multiplexers The ring feature provides for maximum flexibility over the fiber optic media t...

Страница 20: ...p or can be mounted on a wall The 1PA is a lower priced equivalent of the IBM 5299 Terminal Multiconnector Figure 1 3 Front View of Model 1PA 2PA This model shown in Figure 1 4 supports up to two host...

Страница 21: ...connectors 2FX This model uses foiled twisted pair FTP cabling This hub has shielded RJ45 connectors and supports both 1 Mbps mode and 2 Mbps mode Figure 1 5 Front View left side of Models 2EX and 2F...

Страница 22: ...On All the active devices are running in 2 Mbps mode Flash off briefly The host LEDs flash about every 8 seconds The host is determining whether a 1 Mbps device has recently been connected The indicat...

Страница 23: ...nnected device s are active 2 Mbps mode LEDs The circular LED to the left of each connector lights when the port operates in 2 Mbps mode You can use these LEDs to debug network problems and to ensure...

Страница 24: ...rt will also run at 1 Mbps mode The following devices run at 1 Mbps mode 6299 multiplexers 5494 Remote Control Unit 5394 Remote Control Unit 5294 Remote Control Unit When operating at the non optimize...

Страница 25: ...AS 400 unless noted otherwise Physical Specifications For Model 1PA Width 229 mm 9 0 in Depth 152 4 mm 6 0 in Height 42 mm 1 6 in Weight 1 4 kg 3 0 lb For Model 2PA Width 437 mm 17 2 in Depth 152 4 mm...

Страница 26: ...are non powered passive units The following specifications apply to 7299 Models 2EX and 2FX Electrical power 023 kVA Capacity of exhaust None no fan Noise level None no fan Power consumption in active...

Страница 27: ...er of devices that each 7299 will serve The location of all the 7299s The cabling scheme between the components of the cabling system including the type of connection pins and phase or polarity How yo...

Страница 28: ...99 Multiplexer worksheet 1 Write in your location Host designation and WSC designation for Polling Group A and Polling Group B for the Host End Multiplexer top half of the form Remember that all ports...

Страница 29: ...This page intentionally left blank Chapter 2 Planning Your Installation 2 3...

Страница 30: ...Figure 2 1 7299 Multiplexer Address Worksheet 2 4 Planning Installation and Maintenance Guide...

Страница 31: ...Figure 2 2 7299 Multiplexer Address Worksheet Example Chapter 2 Planning Your Installation 2 5...

Страница 32: ...ce is not great a physical star layout provides for easier reconfiguration and troubleshooting See Table 2 2 on page 2 8 Physical Ring Layout The physical ring layout is made up of individual fiber op...

Страница 33: ...o the next and the last remote to the host Multiplexer This layout does not permit location to location distances as long as the physical ring layout described above The patch panel approach permits h...

Страница 34: ...m 2200 ft n a 2EX or 2EN with upgrade kit Host to Hub 610 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...

Страница 35: ...ogram see IBM 5250 Express Program User s Guide The AS 400 WSC supports a maximum of 40 active devices at one time among its eight ports For information about the number of active displays that a cont...

Страница 36: ...ubs do not operate reliably in areas that do not meet this humidity requirement YES NO Is the wet bulb temperature always equal to or below 26 7 C 80 F non condensing The 7299 hubs do not operate reli...

Страница 37: ...stent wiring see Chapter 5 Midrange Device Connectivity and Chapter 6 Cables and Baluns Section 3 Inspecting the UTP FTP Wiring This section helps you determine whether your UTP wiring is suitable for...

Страница 38: ...s of interference The configurations that are described in this manual have been tested and shown to be operational in typical office environments However these configurations might not operate satisf...

Страница 39: ...listed in Table 2 2 on page 2 8 and Fiber Optic Conventions and Standards on page 6 5 If your cabling does not meet the specifications install new fiber optic cabling that meets the specifications If...

Страница 40: ...Mbps mode Remote control units let you locate devices further from the host than local attachment allows You can use a remote control unit to control the operation of devices that are more than 1524 m...

Страница 41: ...ation EIA TIA Category 5 STP referred to in this book as FTP cable or UTP cable For standards information see Cabling Standards on page 6 2 For information about baluns see The general information in...

Страница 42: ...ct with UTP or FTP cable See Chapter 7 Parts List on page 7 1 You may connect up to all four of the ports on a WSC Polling Group to either Side A or Side B A polling group is either Ports 0 through 3...

Страница 43: ...n Release 3 0 or later of the base model The 5394 Remote Control Unit supports attachment to a S 36 S 38 AS 400 or AS Entry host You can connect a maximum of 16 workstations to a 5394 Remote Control U...

Страница 44: ...and 5294 remote control units Devices with two twinax connectors Auto terminating devices that have T or Y cables Figure 2 5 Twinax to UTP Balun Figure 2 6 shows a self terminating twinax to UTP balun...

Страница 45: ...Adapter A P N 64G3494 The 5250 Emulation PCI Adapter P N 88H0207 The 5250 Emulation PCMCIA Adapter P N 92G5360 The 5250 Express ISA Adapter P N 88H0250 The 5250 Express PCI Adapter P N 82H4708 The 52...

Страница 46: ...2 20 Planning Installation and Maintenance Guide...

Страница 47: ...Customer comment card Note Any features that you order such as cables or baluns are packaged separately Remove the packing material and visually inspect all items for damage If anything is missing or...

Страница 48: ...For 2 Mbps mode Category 5 cabling or better is recommended The numbers on the front of the 7299 are device numbers The device number connector number does not correlate with the IBM device address t...

Страница 49: ...inout throughout the network is recommended If you change your cabling scheme or if the polarity and pinout of existing cabling are inconsistent you can change the polarity and pinout of the 7299 RJ11...

Страница 50: ...settings must be identical Note These jumper settings are also silk screened on the printed circuit board but in a different format When changing the jumpers refer to the format that you prefer Figur...

Страница 51: ...rt numbering To install the 7299 1 Set the HOST DEVICE configuration switch on the rear of each Multiplexer as follows One and only one Multiplexer is designated as the Host Side Multiplexer Set its s...

Страница 52: ...wisted pair cabling A device can be a 7299 Hub 6299 Hub multiple or single address PC or a terminal For 2 Mbps mode mode Category 5 cabling or better is recommended 10 Connect the fiber optic cables t...

Страница 53: ...ltiplexers support normal positive polarity and Reversed polarity with no changes To change the pinout or connector 1 Disconnect all power to the 7299 2 Disconnect the fiber optic and DB25 cables 3 Re...

Страница 54: ...99 2EX changes from ENtry operation to EXpress operation Ordering information for the 7299 2EN Upgrade Kit is described in Table 7 1 on page 7 1 To install the Upgrade Kit in your 7299 2EN 1 Verify th...

Страница 55: ...before extracting or inserting the chip in its socket U22 If you walk away from the site touch the case again 9 Insert the extraction tool into the two slots at 2 and 8 o clock Squeeze the tool at its...

Страница 56: ...front panel 15 Remove the backing from the two 2 Mbps mode labels and apply adjacent to the 2 Mbps mode LEDs on the front panel See Figure 1 5 on page 1 7 for the location of the 2 Mbps mode LEDs 16...

Страница 57: ...6 Then continue with the procedures in Debugging the 7299 on page 4 7 Table 4 1 Symptoms and Solutions Symptom See page A Device Is Down or Unstable 4 1 A Device Is Intermittent 4 2 Two Devices Inter...

Страница 58: ...ltiplexers on page 2 15 If the cable budget was not exceeded check for cable run losses For example bad punch down blocks lightening arrestors and so on Technical support is available For more informa...

Страница 59: ...T or Y cable with a self terminating balun For ordering information see Baluns on page 7 2 If the device is terminated correctly contact technical support For more information see Appendix A Technical...

Страница 60: ...indicator does not change another device might be running in 1 Mbps mode To determine whether the device that you disconnected runs in 1 Mbps mode connect it directly to a WSC port that supports 2 Mb...

Страница 61: ...ee Installing the 7299 Multiplexer on page 3 5 2 Ensure that the cable at the RX connector s of the Device Multiplexer s is connected to the TX connector on the upstream Multiplexer and that the Trans...

Страница 62: ...how the power cords should be connected see Figure 3 1 on page 3 3 If the connection is not faulty the AC power adapter is faulty Replace the AC power adapter To order a replacement AC power adapter c...

Страница 63: ...the LED is on continue with step 3 2 Check the LED on the AC power adapter If the LED is on check the connection between the AC power adapter and the hub If the connection is faulty reconnect the AC...

Страница 64: ...n continue with step 3 2 Check the LED on the AC power adapter If the LED is on check the connection between the AC power adapter and the Multiplexer If the connection is faulty reconnect the AC power...

Страница 65: ...e brand and type of the device it can be terminated by Internal device switches Self terminating Y or T cables Self terminating baluns For information about what type of baluns different devices requi...

Страница 66: ...rt of the 7299 If the host signon screen appears the 7299 the pinout and the polarity phase of all the components are okay Go to step 4 on page 4 11 If no host signon screen appears Check the pinout a...

Страница 67: ...rminal balun If the host signon screen appears the system wiring is okay Go to step 5 on page 4 12 If no host signon screen appears check for broken wires crossed wires or distance limitations that ar...

Страница 68: ...ajor consequences During debugging you might encounter problems with Power and grounding Wire resistance and attenuation Extraneous voltage on the twisted pair wires Wire characteristic impedance and...

Страница 69: ...mined 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 building is co...

Страница 70: ...stics of the cable Wire that is too small Impedance discontinuities Excessive attenuation will limit the drive capability below the specified allowable distances Crosstalk Excessive near end crosstalk...

Страница 71: ...tion provides information that you might want to refer to when planning installing and maintaining the 7299 Chapter 5 Midrange Device Connectivity 5 1 Chapter 6 Cables and Baluns 6 1 Chapter 7 Parts L...

Страница 72: ...Planning Installation and Maintenance Guide...

Страница 73: ...ations are You can have up to seven device addresses attached to each host port Polarity phase must be maintained throughout the connection Terminate twinax wiring at the device that is at the end of...

Страница 74: ...ion for AS 400 Version 1 Release 1 0 hosts Table 5 4 lists information for AS 400 Version 1 Release 2 0 hosts Table 5 3 Cabling Considerations for the AS 400 Version 1 Release 1 0 Host Model Maximum N...

Страница 75: ...06 B70 20 800 AS 400 Version 2 This section lists the maximum number of workstation controllers and devices that you can attach to AS 400 Version 2 hosts Table 5 6 lists information for AS 400 Version...

Страница 76: ...m Number of Workstation Controllers Maximum Number of Devices 9406 E35 9 360 9406 E45 12 480 9406 E50 18 720 9406 E60 25 1000 9406 E70 35 1400 9406 E80 60 2400 9406 E90 60 2400 9406 E95 60 2400 AS 400...

Страница 77: ...ries Table 5 10 lists the maximum number of workstation controllers and devices that you can attach to AS 400 Advanced Series hosts Table 5 10 Cabling Considerations for the AS 400 Advanced Series Hos...

Страница 78: ...5 6 Planning Installation and Maintenance Guide...

Страница 79: ...ted pair cable is easily obtainable is more flexible and is less expensive to install and maintain than twinax cable For data communications twisted pair cable is generally configured with 4 pairs of...

Страница 80: ...00 41 1 MHz 32 4 MHz 23 16 MHz 56 1 MHz 47 4 MHz 38 16 MHz 62 1 MHz 53 4 MHz 44 16 MHz 62 1 MHz 53 4 MHz 44 16 MHz Nominal Impedance ohms 100 15 100 15 100 15 100 15 Maximum Attenuation dB 1000 6 5 1...

Страница 81: ...e the same standard The configuration for this standard is shown in Figure 6 2 Figure 6 2 Configuration for the EIA TIA 568 B Standard For 2 pair or 3 pair RJ11 connections the USOC standard is common...

Страница 82: ...mmodate wire gauges of 24 or 26 gauge not 22 gauge This limitation is based on the physical pin spacing standard of the connectors Although 22 gauge solid wire is often used between punch down blocks...

Страница 83: ...iplexer uses LED transmitters operating at a wavelength of 820 nanometers and PIN photodiodes as receivers Important The optical transmitter contains an LED system and is classified CLASS 1 LED PRODUC...

Страница 84: ...hing system This system Lets you quickly move add and change cables Gives you greater flexibility for troubleshooting A patch panel using AT T 110 or KRONE punch blocks is recommended over the standar...

Страница 85: ...rs has the following relationship between phase A and phase B Phase A is pin 14 Phase B is pin 7 The IBM normal and reversed phase designations are listed in Table 6 5 Note There is no industry standa...

Страница 86: ...6 8 Planning Installation and Maintenance Guide...

Страница 87: ...re Code Part Number 2 Port Active Hub RJ45 unshielded connectors 7299 2EX 4545 05J3360 2 Port Active Hub RJ11 unshielded connectors 7299 2EX 1111 05J3365 2 Port Active Hub RJ45 shielded connectors 729...

Страница 88: ...tion Block Module RJ45 Pin 3 6 2043 31H5003 Baluns The IBM baluns that are listed in this section are recommended for converting from twinax to UTP All these baluns are filtered The baluns listed in T...

Страница 89: ...J45 Pin 4 5 2079 31H5082 Table 7 5 Baluns for Emulation Adapters That Have DB15M Connectors Description 6299 Feature Code Part Number DB15 to UTP Balun Self Terminating RJ11 Pin 2 5 2080 60G1042 DB15...

Страница 90: ...ort Active UTP RJ11 05J3366 2FX Express Hub 2 Port Active FTP RJ45 05J3371 1DA 4545 Express Hub 1 Port Passive UTP RJ45 05J3381 1DA 1111 Express Hub 1 Port Passive UTP RJ11 05J3386 2DA 4545 Express Hu...

Страница 91: ...Part 3 Appendixes This section contains technical support notices and warranty information Appendix A Technical Support A 1 Appendix B Notices B 1 Part 3 Appendixes...

Страница 92: ...Planning Installation and Maintenance Guide...

Страница 93: ...ocal IBM representative or your Authorized IBM Supplier for information on program services When you call you should have the following information available IBM 7299 Express Hub for AS 400 Model for...

Страница 94: ...Support Center also maintains a bulletin board system BBS that contains tips user information and program updates The BBS is available 24 hours a day You can call the IBM 5250 Technical Support Cente...

Страница 95: ...requires maintenance Electronic Emission Notices The following statements apply to the IBM 7299 Express Products for AS 400 Models 2EX 2FX 2EN and 8MX Federal Communications Commission FCC Statement...

Страница 96: ...pparatus as set out in the interference causing equipment standard entitled Digital Apparatus ICES 003 of Industry Canada Avis de conformit aux normes d Industrie Canada Cet appareil num rique respect...

Страница 97: ...Many of these transactions involve the removal of parts and their return to IBM You represent that all removed parts are genuine and unaltered A part that replaces a removed part will assume the warr...

Страница 98: ...IN DURATION TO THE WARRANTY PERIOD NO WARRANTIES APPLY AFTER THAT PERIOD Limitation of Liability Circumstances may arise where because of a default on IBM s part or other liability you are entitled to...

Страница 99: ...States or other countries or both Other company product and service names which may be denoted by a double asterisk may be trademarks or service marks of others Advanced 36 Application System 400 AS...

Страница 100: ...B 6 Planning Installation and Maintenance Guide...

Страница 101: ...between the extremities of a telecommunication line Bridge taps are undesirable Contrast with terminated line bulk ringer A power supply that provides ringing current for multiple lines in either a co...

Страница 102: ...remove and install devices in a powered up system unit without powering off the unit and without causing interruption on the other modules that are already installed in the hub chassis I Initial Progr...

Страница 103: ...supply in the powered chassis If one power supply fails the other power supply can carry the whole load relative humidity The amount of water vapor in the air remote workstation A workstation that is...

Страница 104: ...uctor of larger diameter usually copper tubing or copper braid twinaxial protocol In this manual the data communication protocol and signal levels that can be transmitted over twinaxial shielded pair...

Страница 105: ...this book Thank you for your responses May we contact you Yes No When you send comments to IBM you grant IBM a nonexclusive right to use or distribute your comments in any way it believes appropriate...

Страница 106: ...e Please do not staple Fold and Tape NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES BUSINESS REPLY MAIL FIRST CLASS MAIL PERMIT NO 40 ARMONK NEW YORK POSTAGE WILL BE PAID BY ADDRESSEE IBM Corpora...

Страница 107: ......

Страница 108: ...IBM Part Number P05J4580 Printed in the United States of America on recycled paper containing 10 recovered post consumer fiber P 5J458 S 5J 3355 1...

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