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Chapter 8

AT-3624T Connectivity

AT-3624T Modules

The AT-3624T has 24 10BASE-T ports incorporated in two Telco 50-pin
(RJ21) receptacles for UTP. Figure 41 shows the AT-3624T faceplate. A
pin-out table and information on attachment accessories is available in
Appendix B.

Figure 41:

AT-3624T Front and

Back Panels

Telco (RJ21) ports

A U I

Hub

Interrepeater

Front

Back

p o r t

R S 2 3 2
p o r t

status
LEDs

bus port

Firmware

cassette

port

Port
activity
LEDs

Содержание CentreCOM AT-3606F

Страница 1: ...55022 Class A WARNING In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Immunity EN50082 1 Electrical Safety EN60950...

Страница 2: ...KSEM Dit is een KLASSE 1 LED PRODUKT BEDRIJFSTEMPERATUUR De omgevingstemperatuur voor dit produkt mag niet meer bedragen dan 40 graden Celsius ALLE LANDEN het toestel installeren overeenkomstig de lok...

Страница 3: ...di 40 gradi centigradi TUTTI I PAESI installare il prodotto in conformit delle vigenti normative elettriche nazionali RFI str ling EN55022 Klasse A ADVARSEL Hvis dette produktet benyttes til privat b...

Страница 4: ...LECTRICAS Este es un PRODUCTO DE DIODO LUMINISCENTE LED CLASE 1 TEMPERATURA REQUERIDA PARA LA OPERACI N Este producto est dise ado para una temperatura ambiental m xima de 40 grados C PARA TODOS LOS P...

Страница 5: ...CentreCOM 3600 Series Manageable Hub Repeaters AT 3606F AT 3606F SMA AT 3606F ST SC SM AT 3608 AT 3612T AT 3612TR AT 3624T AT 3624TR Installation Manual...

Страница 6: ...uding but not limited to lost profits arising out of or related to this manual or the information contained herein even if Allied Telesyn International has been advised of known or should have known t...

Страница 7: ...nning 5 MAC Address 5 Central Site Connection 6 Upgrading Software 6 Further Information 6 Chapter 2 Hardware Installation 7 Site Preparation 7 Location 7 Ventilation 7 Power 7 Installing Hubs 7 AT 36...

Страница 8: ...AT 3608 Connectivity 31 AT 3608 Modules 31 Cascade Capability 31 10BASE2 Wiring Specifications 33 Port Status Indicators and Terminator Switch 34 Port Indicators 34 Terminator Switch 34 Chapter 6 AT...

Страница 9: ...es 54 50 Pin Telco to RJ45 Octopus Cables 54 50 Pin Telco to RJ45 Harmonica 54 Appendix C IEEE 802 3 Quick Primer 55 10BASE T 55 Four Repeater Rule 55 10BASE FL FOIRL Ethernet 56 10BASE2 Thin Ethernet...

Страница 10: ...Back Panels 26 Figure 24 AT 3606F ST Front and Back Panels 27 Figure 25 ST Connectors for Fiber Optic Cabling 28 Figure 26 SC Connector for Fiber Optic Cabling 29 Figure 27 SMA Connectors for Fiber Op...

Страница 11: ...es Table 1 Manageable AT 3600 Series Hub Models 3 Table 2 ATl Network Port Appliqu s 12 Table 3 ATI Micro Transceivers 17 Table 4 AT 3606F Series Hubs with Management 25 Table 5 Usable and Unusable Tw...

Страница 12: ......

Страница 13: ...They are IEEE 802 3 compliant Ethernet compatible and support Simple Network Management Protocol SNMP with both the second version of the Management Information Base MIB II and hub MIB also known as...

Страница 14: ...onality An Appliqu port supports optional transceiver modules for backbone or interrepeater connectivity Unshielded Twisted Pair UTP 10BASE T Thinnet 10BASE2 Attachment Unit Interface AUI 10BASE5 Fibe...

Страница 15: ...idelines for ensuring integrity in network wiring appear in later chapters of this manual as appropriate for the medium type Chassis Configuration You can use a single manageable AT 3600 Series hub in...

Страница 16: ...5 7 2 4 1 3 FOIRL LINK APPLIQU PORT RS 232 TERMINAL PORT POWER STATUS MASTER POWER FAULT 3612T CentreCOM TM IEEE 802 3 ETHERNET 10BASE2 MULTIPORT HUB REPEATER with Network Management Indicator OFF PO...

Страница 17: ...closets on different floors or in different buildings you need to decide on the number of hubs in your network and where each hub is to be located This advanced planning will facilitate the assignmen...

Страница 18: ...irmware is copied to the hub s onboard non volatile flash memory at power up Once you have upgraded one hub through the firmware cassette you can use Omega s built in downloading capability to upgrade...

Страница 19: ...sides AT 3600 Series hubs have internal fans to aid in cooling For the fans to function correctly you must not block the ventilation openings located on the sides of the chassis Attention Maximum ambi...

Страница 20: ...ng a module in a four or eight slot managed hub configuration Attention Improper installation of the chassis can expose personnel to high voltages risking the possibility of injury or death Attention...

Страница 21: ...gure 6 Attaching Chassis Guides INTERREPEATER BUS FIRMWARE CASSETTE STATUS POW ER MASTE R FAU LT INTERREPEATER BUS FIRMWARE CASSETTE STATUS POW ER MASTE R FAU LT IEEE 802 3 ETHERNET 10BASE2 8 PORT HUB...

Страница 22: ...ethod to insert or remove hub modules you must be sure that the power cord on each unit is plugged in To enable hot swapping you must disconnect the module from the backplane before you unplug the pow...

Страница 23: ...tion Equipment DCE or as Data Terminal Equipment DTE refer to the CentreCOM 3600 Series and AT S4 Firmware Module Network Operations Manual Appliqu Ports AT 3600 Series hub models feature a variety of...

Страница 24: ...to turn off the power since you will be removing screws and inserting metal parts into the appliqu opening You can combine any hub model with any of the six network port appliqu s shown in Table 2 Ta...

Страница 25: ...be provided with a BNC 10BASE2 network interconnect port but without a power cord Appliqu Installation Procedures Appliqu s attach to any AT 3600 Series hub with management capability through the fro...

Страница 26: ...le shown in Figure 13 3 Detach the AUI connector from the appliqu connector plate by removing the slide kit screws washers and nuts 4 Separate the AUI appliqu connector plate from the ribbon cable by...

Страница 27: ...13 3 Secure the interface between the replacement appliqu and the AUI connector by using 4 40 pan head screws as shown in Figure 14 Note that these screws connect the AUI connector to the rear section...

Страница 28: ...se of Step 3 and related Figure 14 above 3 Store the removed 10BASE2 10BASE T or 10BASE FL appliqu assembly in a secure container for future use To install an AUI appliqu 1 Using the supplied screws w...

Страница 29: ...ater bus connector that attaches the AT 3600 module to the backplane bus in a concentrator chassis Status indicators providing information on the hub as a whole for convenience these LEDs appear on bo...

Страница 30: ...er the Master function FAULT OFF under normal operational conditions Stays red for a very short time while power on reset diagnostics are run remains continually red if a malfunction occurs during the...

Страница 31: ...roperly If the cable is more or less round in section you probably have data grade cable If however the cable appears flat such as Silver Satin telephone type cable you probably have voice grade cable...

Страница 32: ......

Страница 33: ...wing section describes the connectors in detail Figure 18 AT 3606F Front and Back Panels 3606F CentreCOM TM IEEE 802 3 ETHERNET 10BASE FL FOIRL 6 PORT HUB REPEATER with Network Management STATUS POWER...

Страница 34: ...proper connectivity To connect a network device to one of the fiber optic ports on the AT 3606F Series hub 1 Attach both connectors at one end of the cable to the TX and RX ports on the network device...

Страница 35: ...tor mating or you might damage the hub s connector Figure 20 shows the threaded SMA connectors Port Indicators The port indicators on the AT 3600 Series hub front panels provide visual diagnostic and...

Страница 36: ...he following conditions may be occurring Network device at other end is turned OFF transmitter is inactive Cable is damaged or broken or attenuation is too high i e too little light is being received...

Страница 37: ...Miniature Assembly model has a threaded attachment for connection with the module port Table 4 lists the model numbers port counts and media connector type for each Table 4 AT 3606F Series Hubs with...

Страница 38: ...ck 6 SM ports RS232 AUI Firmware cassette port Interrepeater bus port Hub status LEDs port port Port activity LEDs Figure 23 AT 3606F SC Front and Back Panels 1 2 6 SC ports Port AUI RS232 Front Back...

Страница 39: ...5 125 micron and 50 125 micron duplex optical fiber cable duplex refers to fiber optic cable pairs Normally duplex fiber optic cable is labeled TX or TD transmit and RX or RD receive This means it has...

Страница 40: ...rs If your existing network uses a mix of ST SC and or SC systems a hybrid cable is commercially available This cable allows easy conversion from one type of connector to the other This cable is a one...

Страница 41: ...nalysis The indicators are either an individual port LED or a central indicator for box level monitoring Each fiber optic port supports the following indicator functions with one dual color front pane...

Страница 42: ...ived because the cable is too long RX Port has failed The cabling is incorrect The RX Port is not connected to TX at the other end and you need to reverse the connectors RECEIVE Flashing Green This in...

Страница 43: ...s you would any of the other ports To extend the network to another hub through the link segment Figure 29 AT 3608 Front and Back Panels Front Back INTERREPEATER BUS FIRMWARE CASSETTE RS 232 TERMINAL...

Страница 44: ...ETHERNET 10BASE2 MULTIPORT HUB REPEATER with Network Management RS 232 TERMINAL PORT POWER APPLIQU PORT FOIRL NETWORK PORTS 1 8 1 2 3 4 5 6 7 8 ON LINE RECEIVE OFF ON TERMINATOR ON LINE RECEIVE OFF ON...

Страница 45: ...plugged directly into the BNC receptacle for Ports 1 through 8 Next to each of these ports is a 50 termination switch If you install a BNC T connector with a 50 resistor like the one shown in Figure...

Страница 46: ...Green Indicates that the port is not partitioned RECEIVE Flashing Amber Indicates that the port is receiving Ethernet packets Terminator Switch Figure 34 also shows the location of the 50 Terminator...

Страница 47: ...ctor The RJ21 50 pin Telco port on AT 3612T hub is shown in Figure 35 A pin out table and information on attachment accessories is available in Appendix B Figure 35 AT 3612T Front and Back Panels RJ21...

Страница 48: ...ackup when it has taken over the Master module function indicates the currently active Master module Note If the Master fails its software may not be able to turn OFF its own Master LED consequently t...

Страница 49: ...ned RECEIVING Flashing Green When a port s LED is blinking the port is receiving Ethernet packets PARTITIONED Steady Amber A steady amber port indicator means the port is partitioned or segmented from...

Страница 50: ......

Страница 51: ...ors for UTP Figure 38 shows the AT 3612TR faceplate the following section describes the connectors For information about UTP wiring refer to Appendix A Figure 38 AT 3612TR Front and Back Panels RJ45 p...

Страница 52: ...t LINK Steady Green This indicates that the particular port has a valid link and is not partitioned RECEIVING Flashing Green When a port s LED is blinking the port is receiving Ethernet packets NO LIN...

Страница 53: ...RJ21 receptacles for UTP Figure 41 shows the AT 3624T faceplate A pin out table and information on attachment accessories is available in Appendix B Figure 41 AT 3624T Front and Back Panels Telco RJ2...

Страница 54: ...indicator means the port is partitioned or segmented from the rest of the ports This partitioning may be associated with a management function or with an error condition on the link COLLISION Flashing...

Страница 55: ...U PORT OFF NO LINK INDICATOR STATUS PORT STATUS ON GREEN LINK FLASHING GREEN RECEIVING ON AMBER PARTITIONED FLASHING AMBER COLLISION 10BASE T PORT ACTIVITY 1 3 5 7 9 11 13 15 17 19 21 23 2 4 6 8 10 12...

Страница 56: ...ceive pin at the other end You can accomplish this in either of two ways You can use a special cross over cable available commercially at most electronic outlets You can use a built in MDI MDI X switc...

Страница 57: ...ators for box level monitoring As shown in Figure 46 each 10BASE T port supports the following indicator functions with one dual color front panel LED per port Figure 45 MDI MDI X Switch POWER RS 232...

Страница 58: ...r segmented from the rest of the ports This partitioning may be associated with a management function or with an error condition on the link COLLISION Flashing Amber A momentary amber flash occurs whe...

Страница 59: ...cations of 6 common modular cables and their applicability to 10BASE T network use are shown in Table 5 The maximum length for 10BASE T UTP segments is 100 meters 328 ft Table 5 Usable and Unusable Tw...

Страница 60: ...s shown in Figure 48 Figure 47 RJ45 Pin 1 Figure 48 Hub to MAU Wiring A Usable and B Unusable Not Used RD Not Used Not Used RD TD TD Not Used Not Used RD Not Used Not Used RD TD TD Not Used RJ45 Pin R...

Страница 61: ...the UTP cable run This may commonly occur at the punch down block or between the RJ45 wall receptacle and the workstation See Figure 49 Figure 49 Hub to Hub or MAU to MAU Wiring Not Used RD Not Used...

Страница 62: ......

Страница 63: ...T and AT 3624T Repeaters is configured as shown in Figure 50 Table 6 on page 52 gives a pin out chart for the Telco connector Figure 50 50 Pin Telco Receptacle RD TD RD TD 27 26 1 1 2 3 4 5 6 7 8 9 10...

Страница 64: ...L 3 RCV POS 1 5 10 SL W 3 RCV NEG 2 31 11 R BL 3 XMT POS 3 6 12 BL R 3 XMT NEG 6 32 13 R OR 4 RCV POS 1 7 14 OR R 4 RCV NEG 2 33 15 R GR 4 XMT POS 3 8 16 GR R 4 XMT NEG 6 34 17 R BR 5 RCV POS 1 9 18 B...

Страница 65: ...0 XMT NEG 6 46 41 V BL 11 RCV POS 1 21 42 BL V 11 RCV NEG 2 47 43 V OR 11 XMT POS 3 22 44 OR V 11 XMT NEG 6 48 45 V GR 12 RCV POS 1 23 46 GR V 12 RCV NEG 2 49 47 V BR 12 XMT POS 3 24 48 BR V 12 XMT NE...

Страница 66: ...ntegrity throughout the wiring system Silver Satin flat cable is out of specification and should not be used 50 Pin Telco to RJ45 Harmonica ATI offers a harmonica adapter Model AT ADAPT 2 The harmonic...

Страница 67: ...s Hub to hub and MAU to MAU connections are allowed using a UTP cable with a cross over function crossing TD and TD with RD and RD signals No other attachments are allowed along the length of the UTP...

Страница 68: ...The segment shield must be earth grounded only at one point on the cable 10BASE5 Thick Ethernet When configuring 10BASE5 coax segments IEEE 802 3 specifications allow 100 MAU attachments or less space...

Страница 69: ...econds IEEE 802 3 has specific propagation delay maximums for the Ethernet components Cable length plays a major role i e a 50 meters 164 ft AUI cable has a maximum propagation delay of 257 ns The pro...

Страница 70: ......

Страница 71: ...TELCO RJ21 This connector is very common in 10BASE T wiring As opposed to the RJ45 connector the 50 pin Telco connector concentrates up to 12 UTP connections onto one connection This concentration of...

Страница 72: ...physical medium COMPATIBILITY INTERFACE The MDI coaxial cable interface and the AUI branch cable interface the two points at which hardware compatibility is defined to allow connection of independent...

Страница 73: ...UTP cables for 10BASE T hub to MAU or NIC cards are wired straight through An RJ45 receptacle at the hub would wire pin to pin to the RJ45 receptacle at the MAU IMPEDANCE An electrical characteristic...

Страница 74: ...same pin out MODULE A single repeater when it is mounted with other repeaters in an AT 36Cx or AT 36Ex department concentrator chassis N SERIES A barrel shaped threaded connector used on 10BASE5 thick...

Страница 75: ...orm only simple regeneration and retiming tasks associated with repeating and are not manageable SQE TEST Commonly referred to as Heartbeat is a special 802 3 signal sent by the MAU to the DTE to test...

Страница 76: ...a cable system UNMANAGED MODULE A repeater that behaves as a dumb repeater in a department concentrator chassis i e without a Master It performs simple repeating tasks like packet retiming and regener...

Страница 77: ...______________ Conditions List the steps that led up to the problem ___________________________ ____________________________________ ____________________________________ ______________________________...

Страница 78: ......

Страница 79: ...3 Quick Primer _______ Reading the LEDs ______ Cabling _______ Telnet Communication ______ Software Downloading _______ I found the following the most valuable ______________________________ ________...

Страница 80: ......

Страница 81: ...4 717 0290 Fax 404 717 0806 Salt Lake City UT Tel 801 350 9130 Fax 801 350 9051 Vienna VA Tel 703 506 0196 Fax 703 506 1986 Chicago IL Tel 708 406 8431 Fax 708 406 8462 Austin TX Tel 512 502 3087 Fax...

Страница 82: ......

Страница 83: ...9 fiber optic length 22 28 fiber segment length 22 27 FOIRL 3 25 56 61 impedance 59 61 point to point 55 silver satin 19 straight through 44 48 55 63 UTP 37 39 40 42 43 47 49 55 voice grade 19 carrier...

Страница 84: ...10 AT 3608 34 fault 18 hub status 18 36 link 10 19 22 28 master 18 port 18 23 29 37 40 41 45 power 8 10 18 installation hardware 7 power 7 ventilation 7 interrepeater bus connector 17 J jabber lock up...

Страница 85: ...ilver satin 54 Simple Network Management Protocol SNMP 1 6 63 management 2 SQE test 63 status indicators 17 Straight Tip ST 3 25 straight through UTP wiring 48 Sub Miniature Assembly SMA 3 T TCP IP pr...

Страница 86: ......

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