background image

34

ProCurve Switch vl Modules

Mode Conditioning Patch Cord for Gigabit-LX

Mode Conditioning Patch Cord for 
Gigabit-LX

The following information applies to installations in which multimode fiber-
optic cables are connected to a Gigabit-LX port.

Unlike Gigabit-SX, which connects to only multimode fiber-optic cabling, 
Gigabit-LX can use either single-mode or multimode cable. Multimode cable 
has a design characteristic called “Differential Mode Delay”, which requires 
that the transmission signals be “conditioned” to compensate for the cable 
design and thus prevent resulting transmission errors. Since Gigabit-SX is 
designed to operate only with multimode cable, Gigabit-SX mini-GBICs can 
provide that transmission conditioning internally.

Gigabit-LX mini-GBICs, since they are designed to operate with both single-
mode and multimode cable, do not provide the transmission conditioning 
internally. Thus, under certain circumstances, depending on the cable used 
and the lengths of the cable runs, an external 

Mode Conditioning Patch 

Cord

 may need to be installed between the Gigabit-LX transmitting device 

and the multimode network cable to provide the transmission conditioning.

If you experience a high number of transmission errors on the Gigabit-LX 
ports, usually CRC or FCS errors, you may need to install one of these patch 
cords between the Gigabit-LX port in your switch and your multimode fiber-
optic network cabling, and between the Gigabit-LX transmission device and 
the network cabling at the other end of the multimode fiber-optic cable run. 
A patch cord must be installed at both ends.

The patch cord consists of a short length of single-mode fiber cable coupled 
to graded-index multimode fiber cable on the transmit side, and only 
multimode cable on the receive side. The section of single-mode fiber is 
connected in such a way that it minimizes the effects of the differential mode 
delay in the multimode cable.

N o t e

Most of the time, if you are using good quality graded-index multimode fiber 
cable that adheres to the standards listed on 

page 29

, there should not be a 

need to use mode conditioning patch cords in your network. This is especially 
true if the fiber runs in your network are relatively short.

If you are using 

single-mode

 fiber-optic cabling in your network, there is no 

need to use mode conditioning patch cords. Connect the single-mode network 
cable directly to the Gigabit-LX mini-GBIC.

Summary of Contents for ProCurve J8766A

Page 1: ...Installation Guide www procurve com ProCurve Switch vl Modules PoE Power over Ethernet Devices ...

Page 2: ......

Page 3: ...ProCurve Switch vl Modules Installation Guide ...

Page 4: ...in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein Hewlett Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewlett Packard Warranty See the Customer...

Page 5: ...ove a Transceiver 11 To remove the transceiver 11 Verifying the Module is Installed Correctly 12 Connecting the Network Cables 13 Connecting the 10 GbE Network cables 16 Verifying the Network Connections Are Working 17 Default Port Configuration 18 Replacing or Removing a Module 19 Resetting the Switch 20 Reasons for Resetting the Switch 20 Methods of Resetting the Switch 20 Troubleshooting 21 LED...

Page 6: ...bE X2 SC LR optic 31 ProCurve 10 GbE X2 SC ER optic 32 ProCurve 10 GbE X2 CX4 Transceiver 33 Mode Conditioning Patch Cord for Gigabit LX 34 Installing the Patch Cord 35 EMC Regulatory Statements 36 U S A 36 Canada 36 Australia New Zealand 36 Japan 36 Korea 37 Taiwan 37 European Community Declaration of Conformity 37 Waste Electrical and Electronic Equipment WEEE Statements 38 ...

Page 7: ...witch 4202vl 72 J8772A a chassis with 72 fixed 10 100 TX ports plus two open slots The following vl modules are available as of this printing Module Description ProCurve Switch vl 24 Port 10 100 TX Module J8765A 24 twisted pair ports with RJ 45 connectors for 10 Mbps or 100 Mbps operation over 100 ohm unshielded UTP orshielded STP twisted pair cable all ports have the HP Auto MDI X feature ProCurv...

Page 8: ...noverCategory5orbetter 100 ohm UTP or STP cable category 5e recommended for Gigabit all ports have the IEEE 802 3ab Auto MDI MDI X feature plus 4 mini GBIC or SFP ports ProCurve Switch vl 1 Port 10 GbE Module J8766A 1 port for installing any of the supported ProCurve 10 Gig X2 transceivers Supported transceivers The following ProCurve transceivers are supported by the J8766A vl Module as of this p...

Page 9: ...show the features found on the various modules Figure 1 Example ProCurve 24 Port 10 100 TX vl Module Figure 2 Example ProCurve Switch Mini GBIC vl Module network ports Link and Mode LEDs one pair per port retaining screw Link and Mode LEDs one pair per port Mini GBIC and SFP ports ...

Page 10: ...ic network error packets on the port hot swap modules operation you can add a module or replace a module without having to shut down the switch changing the module type in a given slot does require a switch reset hot swap mini GBICs operation you can add replace or change the type of any of the mini GBICs that you use in any of the vl Modules that use mini GBICs without having to first remove the ...

Page 11: ...the IEEE 802 3z standards the portson the 100 FX MTRJ vl Module are compatible with the IEEE 802 3u 100 FX standard the RJ 45 ports on the 20 port Gig T 4 port SFP module are compat ible withtheIEEE802 310Base T IEEE802 3u 100Base TX andIEEE 802 3ab 1000Base T standards and the 4 SPF ports are compatible with the IEEE 802 3z standards Installing the Modules Overview You can install any of the vl m...

Page 12: ...ault port configuration is satisfactory for your network application see page 18 N ot e You can install exchange or remove modules after the switch has been poweredon Wheneveramoduleisinstalledduringthisprocess itisinitialized and tested for correct operation During this process the switch Self Test LED is on If you hot swap another module while the switch is initializing and testing the first mod...

Page 13: ...odules When handling and installing the modules in your switch follow these procedures to avoid damage from static electricity Handle the module by its bulkhead or edges and avoid touching the components and the circuitry on the board When installing the module equalize any static charge difference between your body and the switch by wearing a grounding wrist strap and attaching it to the switch s...

Page 14: ...he Modules Figure 4 Installing a Module For best results push simultaneously near both screws Low force connector High insertion force is not needed and should not be used Insertmoduleinto the guides and slide it in until it is fully inserted ...

Page 15: ... the Gig T SFP vl Module without having to power off the switch Use only ProCurve mini GBICs with the letter B or greater at the end of the product number for example J4858B or J4860C WA R NI NG The ProCurve fiber optic mini GBICs are Class 1 laser devices Avoid direct eye exposure to the beam coming from the transmit port Then tighten the retaining screws onthemoduleuntiltheyaresecure but do not ...

Page 16: ... a mini GBIC Removing the mini GBICs The network cable should be disconnected from the mini GBIC before removing it from the module Depending on when you purchased your ProCurve mini GBICs it may have either of three different release mechanisms a metal latch a wire bail or a plastic collar around the mini GBIC Toremove the mini GBICs thathave the plastic collar push intheplastic collar toward the...

Page 17: ...sceiver fully installed N ot e If the switch is powered on when the transceiver is installed the Link and Mode LEDs will come on for approximately two seconds and then go off This is confirmation the transceiver is completely seated c If your transceiver has a bail move the bail up if not your transceiver is now completely installed Refer to page 30 for more transceiver details To remove the trans...

Page 18: ...t Spd mode off 10 Mbps flash 100 Mbps on 1000 Mbps ProCurve 10 100 TX vl Module J8765A vl Module 13 15 11 9 7 5 3 1 17 19 21 23 Link Mode Link Mode 14 16 12 10 8 6 4 2 18 20 22 24 Link Mode Link Mode 10 100Base TX Ports all ports are HP Auto MDI X A Module Link and Mode LEDs Module Status LEDs Self Test LED Fault LED LED Display for a Properly Installed Module Module Status for the slot in which y...

Page 19: ...rossover twisted pair cables for all network connections to these modules On the 10 100 TX vl Modules this feature is identified as HP Auto MDI X on the Gig T vl Module it is identified as IEEE Auto MDI MDI X and it is part of the IEEE 802 3ab standard Both features operate the same Operation of this feature depends on the port configurations being kept at Auto If the configuration is changed to o...

Page 20: ...nyother1000Base T 100Base TX or10Base T device See the Note on page 13 Since the 10Base T operation is through the 10 100Base TX or 10 100 1000 T ports if you ever want to upgrade the ports to 100Base TX it would be best to cable the ports initially with category 5 cable or better 100 FX MTRJ vl Module multimode fiber optic cables fitted with MT RJ connectors See Fiber Optic Cables on page 29 for ...

Page 21: ...ee Mode Conditioning Patch Cord on page 34 for more information Gigabit LH The transmission distances are dependent on the particular fiber loss and coupling loss involved among other factors and can be estimated from the optical loss budget For distances less than 20km a 10dB attenuator must be used For distances between 20km and 40km a 5dB attenuator must be used Attenuators can be purchased fro...

Page 22: ...eshooting To disconnect Pull the cable connector straight out Connecting a copper cable 1 Push the copper cable connector into the copper port Ensure the locking device locks the cable connector into place To disconnect Grasp the plastic pull tab and pull the cable connector straight out This disengages the locking mechanism When a network cable from an activenetwork device isconnected to the port...

Page 23: ...may be powered off See the troubleshooting information on page 21 If the switch Mode is set to display activity the Act mode indicator LED is lit then the Mode LED for each port that is transmitting and or receiving packets will flicker when traffic is detected on the port If the Mode is set to display full duplex the FDx mode indicator LED is lit then the Mode LED will be lit for each port that i...

Page 24: ...lex and MDI or MDI X port operation If you configure the port to one of the fixed 10 or 100 Mbps modes the port will then operate only as an MDI X port Gigabit SX Gigabit LX Gigabit LH 1000Base T and SFP ports in mini GBIC and the Gig T 4 port SFP vl Modules Auto The port always operates at 1000 Mbps and full duplex The setting is Auto for best link establishment with other devices 100 FX MTRJ vl ...

Page 25: ...dule in the slot go to Installing the Module in an Unused Slot on page 7 and begin with step 2 If you will not install another module in the slot that is leave it empty then re install a slot cover plate over the empty slot opening Ca ut ion For proper cooling and reduction of electromagnetic emissions ensure a slot cover is installed on any unused slot 5 If you are replacing a module with another...

Page 26: ...itch is reset the module will not operate the Module Status LED for the slot will continue to flash and all the LEDs on the module will stay on continuously Changing certain switch configuration parameters through the console interface In this case the console provides indications when the switch must be reset for the configuration change to be activated You do not need to reset the switch when In...

Page 27: ...rt Link Off with power cord plugged in 1 1 1 1 1 1 A No power On Prolonged On Prolonged On 1 1 1 1 B Self test fail entire switch On Flashing2 On Flashing2 1 1 1 C Fan fail On Flashing2 On 1 Flashing2 1 1 D Power supply fail On Flashing2 Flashing2 1 1 Off 1 E Self test fail backplane On Flashing2 Flashing2 1 1 1 Flashing2 F Fixed port self test fail On Flashing2 Flashing2 1 1 Flashing2 1 G Module ...

Page 28: ...ay have failed 1 Verify the power cord is plugged into an active power source and to the switch Ensure these connections are snug 2 Try power cycling the switch by unplugging and plugging the power cord back in 3 If the Power LED is still not on verify the AC power source works by plugging another device into the outlet Or try plugging the switch into a different outlet or try a different power co...

Page 29: ...wersupplytotheACpowersource Iftheerrorindicationreoccurs after the supply is reinstalled the power supply may be faulty Call your HP authorized LAN dealer or use the electronic support services from HP to get assistance See the Customer Support Warranty card for more information E The switch has experienced a backplane failure during self test The failure may be just in the communications with a s...

Page 30: ... remove the module The mini GBICs are tested when they are hot swapped If the port fault indication reoccurs and you need to be able to use the port you will have to replace the mini GBICorthemodule Inthemeantime all theothermodule portswilloperate normally I The module installed in the slot thatcorrespondsto the letter that is flashing is an invalid or unsupported module Ensure you have installed...

Page 31: ...type than the one that was previously installed in the slot you must reset the switch so the switch processor can properly initialize and configure the new module type The flashing LED informs you that this change of module types has occurred The module will not work properly until the switch is reset You can reset the switch by any of these methods pressing the Reset button power cycling the swit...

Page 32: ...hat both devices are transmitting correctly For a 1000 Mbps connection verify the network cabling complies with the IEEE 802 3ab standard The cable should be installed according to the ANSI TIA EIA 568 A 5 specifications Cable testing should comply with the stated limitations for Attenuation Near End Crosstalk Far End Crosstalk Equal Level Far End Crosstalk ELFEXT Multiple Disturber ELFEXT and Ret...

Page 33: ...rovide you with assistance both with services they offer and with services offered by HP Specifications Environmental Lasers The following products are Class 1 Laser Products Laser Klasse 1 The 10 GbE X2 SC LR transceiver J8437A The 10 GbE X2 SC ER transceiver J8438A Gigabit SX LC mini GBIC J4858B Gigabit LX LC mini GBIC J4859B Gigabit LH LC mini GBIC J4860B 100 FX SFP LC Transceiver J9054B The fo...

Page 34: ...e cables for 100Base TX the 1000Base T cables must pass tests for Equal Level Far End Crosstalk ELFEXT Multiple Disturber ELFEXT and Return Loss When testing your cabling be sure to include the patch cables that connect the switch and other end devices to the patch panels on your site The patch cables are frequently overlooked when testing cable and they must also comply with the cabling standards...

Page 35: ...s Gigabit LX 9 125μm core cladding diameter graded index low metal content single mode fiber optic cables complying with the ITU T G 652 and ISO IEC 793 2 Type B1 standards OR the multimode fiber optic cables listed for Gigabit SX LC single mode cable 10 kilometers multimode cable 550 meters Note To use multimode cables for Gigabit LX a mode conditioning patch cord may be needed see Mode Condition...

Page 36: ... complying with the ITU T G 652 and ISO IEC 793 2 Type B1 standards SC single mode cable 2 meter 10 km 10 GbE ER 9 125 μm core cladding diameter low metal content single mode fiber optic cables complying with the ITU T G 652 and ISO IEC 793 2 Type B1 standards SC single modecable 2meters 30km 40 kilometers onanengineeredfiberoptic link that meets standards in the specification Note Conditioning pa...

Page 37: ... nm Average Launch Power 7 3 dBm 1 0 dBm Extinction Ratio 3 dB RIN Relative Intensity Noise 128 dB Hz Parameter Minimum Typical Maximum Notes Center Wavelength 840nm 850nm 860nm Average Receive Power 9 9 dBm 1 0 dBm Saturation Receive Power 1 0 dBm Receiver Sensitivity 11 1 dBm Stressed Receiver Sensitivity in OMA 7 5 dBm Parameter Minimum Typical Maximum Notes Center Wavelength 1260nm 1310nm 1355...

Page 38: ...1355 nm Average Receive Power 14 4 dBm 0 5 dBm Receiver Sensitivity 12 6 dBm Parameter Minimum Typical Maximum Notes Center Wavelength 1530 nm 1550 nm 1565 nm Average Launch Power 4 7 dBm 4 0 dBm Extinction Ratio 3 0 dB RIN Relative Intensity Noise 128 dB Hz with 21 dB return loss Parameter Minimum Typical Maximum Notes Center Wavelength 1530nm 1550nm 1565nm Average Receive Power 4 dBm Damage abov...

Page 39: ...upply Current 3 3V 196 mA 216 mA Impedance 100 ohms Differential Transmit Voltage 800 mVpp 1000 mVpp 1200 mVpp Receive Voltage 100 mVpp 1200 mVpp Rise Time 60 ps 130 ps 20 80 Note The ProCurve J8440A J8440B 10 GbE X2 CX4 copper interface is designed to support the J8439A 10 GbE CX4 Optical Media Converter OMC which receives its 3 3 V supply through this interface using an advanced ProCurve detecti...

Page 40: ...e multimode network cable to provide the transmission conditioning If you experience a high number of transmission errors on the Gigabit LX ports usually CRC or FCS errors you may need to install one of these patch cords between the Gigabit LX port in your switch and your multimode fiber optic network cabling and between the Gigabit LX transmission device and the network cabling at the other end o...

Page 41: ...the patch cord directly to the network cabling you may need to install a female to female adapter to allow the cables to be connected together Figure 14 Mode Conditioning Patch Cord Ensure you purchase a patch cord that has LC connectors on the end that connects to the Gigabit LX mini GBIC and has multimode fibers that match the characteristics of the multimode fiber in your network to network mul...

Page 42: ...ommercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications Operation of this equipment in a residential area may cause interference in which case the user will be required to correct the interference at his own expense Canada This product complies w...

Page 43: ...nts Korea Taiwan European Community Declaration of Conformity These products are designed for operation with the ProCurve switches that have vl module slots Please see the Declarations of Conformity included in the Installation Guides for those products ...

Page 44: ...rlige ressourcer og sikrer at udstyret genvindes på en måde der beskytter både mennesker og miljø Yderligere oplysninger om hvor du kan aflevere kasseret udstyr til genvinding kan du få hos kommunen den lokale genbrugsstation eller i den butik hvor du købte produktet Seadmete jäätmete kõrvaldamine eramajapidamistes Euroopa Liidus See tootel või selle pakendil olev sümbol näitab et kõnealust toodet...

Page 45: ...e getrennte Sammlung und ordnungs gemäße Entsorgung Ihrer Altgeräte trägt zur Erhaltung der natürlichen Ressourcen bei und garantiert eine Wiederverwertung die die Gesundheit des Menschen und die Umwelt schützt Informationen dazu wo Sie Rücknahmestellen für Ihre Altgeräte finden erhalten Sie bei Ihrer Stadtverwaltung den örtlichen Müllentsorgungsbetrieben oder im Geschäft in dem Sie das Gerät erwo...

Page 46: ... atkritumiem Jūs atbildat par to lai nolietotās iekārtas tiktu nodotas speciāli iekārtotos punktos kas paredzēti izmantoto elektrisko un elektronisko iekārtu savākšanai otrreizējai pārstrādei Atsevišķa nolietoto iekārtu savākšana un otrreizējā pārstrāde palīdzēs saglabāt dabas resursus un garantēs ka šīs iekārtas tiks otrreizēji pārstrādātas tādā veidā lai pasargātu vidi un cilvēku veselību Lai uz...

Page 47: ...obok sa nesmie likvidovať s domovým odpadom Povinnosťou spotrebiteľa je odovzdať vyradené zariadenie v zbernom mieste ktoré je určené na recykláciu vyradených elektrických a elektronických zariadení Separovaný zber a recyklácia vyradených zariadení prispieva k ochrane prírodných zdrojov a zabezpečuje že recyklácia sa vykonáva spôsobom chrániacim ľudské zdravie a životné prostredie Informácie o zbe...

Page 48: ... Copyright 2005 2007 Hewlett Packard Company L P September 2007 Manual Part Number 5991 8602 5991 8602 ...

Reviews: