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37

Appendix D

AT-MR415T/AT-MR815T Installation Guide 
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Содержание CentreCOM AT-MR415T

Страница 1: ...CentreCOM AT MR415T AT MR815T Multiport 10Base T Micro Repeaters Installation Guide PN 613 10685 00 Rev A...

Страница 2: ...ion contained herein even if Allied Telesyn International Corp has been advised of known or should have known the possibility of such damages Trademarks Ethernet is a registered trademark of Xerox Cor...

Страница 3: ...ential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with instructions may cause harmful interference to radio or televi...

Страница 4: ...imum ambient temperature of 40 degrees C ALL COUNTRIES Install product in accordance with local and National Electrical Codes NORMEN Dieses Produkt erf llt die Anforderungen der nachfolgenden Normen H...

Страница 5: ...r van 7 5 Volt gelijkstroom 500 milliamp res GEVAAR VOOR BLIKSEMINSLAG GEVAAR NIET aan toestellen of KABELS WERKEN bij BLIKSEM Sluit geen telefoonlijn aan op de signaalverbinding BEDRIJFSTEMPERATUUR D...

Страница 6: ...o solo mediante l adattatore EUROPE EC Utilizzare l adattatore per c a da 7 5 V c c e 500 mA conforme alla normativa T V PERICOLO DI FULMINI PERICOLO NON LAVORARE sul dispositivo o sui CAVI durante PR...

Страница 7: ...EUROPE EC Utilizar un adaptador de corriente alterna autorizado T V de 7 5 voltios de corriente continua y 500 miliamperios PELIGRO DE RAYOS PELIGRO NO REALICE NINGUN TIPO DE TRABAJO O CONEXION en los...

Страница 8: ......

Страница 9: ...uto Partitioning 2 Jabber Lock up Protection 3 AT MR415T 3 Light Emitting Diodes LEDs 3 AT MR815T 5 Light Emitting Diodes LEDs 5 Chapter 2 Installation 9 Site Requirements 9 Ventilation 9 Power 9 UTP...

Страница 10: ...ector Ports 23 AT MR815T 23 Physical 23 Connector Ports 23 AT MR415T AT MR815T 24 Electrical 24 Environmental 24 Diagnostic LEDs 24 Certification 24 10Base T Pin Assignments 25 Connectors 25 Straight...

Страница 11: ...ture the AT MR415T Micro Repeater differs from the AT MR815T Micro Repeater in that the former has four 4 Unshielded Twisted Pair UTP ports whereas the latter has eight 8 Features Each AT MR415T AT MR...

Страница 12: ...ecific Integrated Circuit ASIC and Surface Mount Technology SMT This results in enhanced functionality increased reliability and improved performance Packet Regeneration Packet regeneration is a high...

Страница 13: ...e additional LEDs indicate Activity Collision and Power for the repeater itself Note that LEDs will not reflect real time activity since a data packet is too fast for the human eye to distinguish ther...

Страница 14: ...isions on a segment This may be caused by an overloaded segment a faulty cable or a bad connection If this LED is lighted for an extended period of time it is possible that there is a problem with the...

Страница 15: ...the unit Connect 10Base T cables twisted pair cable UTP into the desired RJ 45 ports DC Power Jack This connector is used to provide power to the unit using the AC adapter AT MR815T Figure 3 shows th...

Страница 16: ...t with excessive traffic problems Continual flickering of the COLLISION LED may also indicate excessive frame collisions on a segment This may be caused by an overloaded segment a faulty cable or a ba...

Страница 17: ...port The switch positions are as follows MDI left position This port can now be used to cascade to another repeater MDI X right position Use this port as a normal 10Base T port 10Base T Connector The...

Страница 18: ......

Страница 19: ...e never blocked Note Maximum ambient temperature is 104o F 40o C Power Be sure that the voltage and frequency to the AC adapter is compatible with the country of use and therefore the power provided S...

Страница 20: ...hrough Figure 5 RJ 45 Connector 10Base T UTP cables can be up to 100 meters 328 ft in length The cable should be 22 to 26 AWG UTP wire with 100 impedance The AT MR415T AT MR815T Micro Repeater uses RJ...

Страница 21: ...e is used in a 10Base T network system To confuse the issue even further the LINK LED indicators on the front panel will usually indicate a valid link in such a case For the foregoing reasons it is vi...

Страница 22: ...Micro Repeater Keep the packing materials until you have successfully installed the product 2 Place the AT MR415T AT MR815T Micro Repeater in a location with adequate ventilation and power receptacles...

Страница 23: ...Establish a connection from a device connected to port 1 to a device connected to port 2 4 Once the connection between devices attached to ports 1 and 2 has been successfully established remove the RJ...

Страница 24: ...g to a Network 1 Remove all equipment from the box Store the box and packing materials in a safe place in case the unit needs to be transferred in the future It is desirable to pack all equipment care...

Страница 25: ...the HUB when using the cascade port to connect to another HUB Note When cascading two HUBs together be sure to provide a cascade port on one HUB and a normal UTP port on the other This is done by sele...

Страница 26: ...etwork Connections A Local Area Network can be constructed as shown in Figure 7 Figure 7 LAN Connectivity A Local Area Network can be expanded as shown Figure 8 Figure 8 LAN Expansion MDI to HUB MDI X...

Страница 27: ...umber of AT MR415T AT MR815T Micro Repeaters which can be cascaded together is four Before expanding a network through a T port consult the network administrator Be sure that the expansion will not ex...

Страница 28: ...to four cascaded repeaters however five or more cascaded repeaters will not produce guaranteed results Referring to Figure 10 there are four repeaters between PC A and PC B so the connection between...

Страница 29: ...2 of a single AT MR415T AT MR815T Micro Repeater to two computers and turn on the HUB power supply by connecting the AC adapter In Figure 11 above PC B is connected to port 1 and PC A is connected to...

Страница 30: ...r example perform the communications test described in step 3 between PC A and PC C then PC B and PC C When cascading repeaters select cascade mode on one repeater by selecting MDI using the MDI MDI X...

Страница 31: ...is not turned on or not operating properly Solution Check the connected equipment computer another repeater etc and turn on the power 3 Problem 3 The MDI MDI X toggle switch of the AT MR415T AT MR815T...

Страница 32: ......

Страница 33: ...ation options Tabletop or rack mount Connector Ports 4 10Base T RJ 45 Ethernet ports AT MR815T Physical Width 175 mm 7 in Height 98 mm 3 92 in Depth 26 mm 1 04 in Weight 430 g 15 2 oz Installation opt...

Страница 34: ...sumption 12 Watts Input current 0 5 A 500 mA Maximum Environmental Operating temperature 0 to 40 C 32 to 104 F Relative humidity 5 to 80 non condensing Storage temperature 20 to 60 C 4 to 140 F Diagno...

Страница 35: ...igure 12 Be sure to hold the connectors in the same orientation when connecting the wires to the pins Figure 12 Connector Pin Numbers Each twisted pair link segment must have a male connector attached...

Страница 36: ...icro Repeaters can communicate only if the transmitter on one unit is connected to the receiver on the other unit This reversal or crossover function can be implemented either in the wiring or in the...

Страница 37: ...nodes PCs or other stations on the network There can be Up to five segments in series Up to four repeaters or multiport hubs Up to three populated segments that is segments attached to two or more PC...

Страница 38: ......

Страница 39: ...er station is transmitting CARRIER SENSE MULTIPLE ACCESS with COLLISION DETECT CSMA CD This is the access method employed by IEEE 802 3 LAN transceivers by which multiple stations compete for use of t...

Страница 40: ...uilding This wiring generally originates from one or more wiring closets such as a telephone room Some older buildings may have wiring unsuitable for 10 megabit data rates In these circumstances it is...

Страница 41: ...on transmission medium MEDIA ACCESS CONTROL MAC IEEE specifications for the lower half of the data link layer layer 2 that defines topology dependent access control protocols for IEEE LAN specificatio...

Страница 42: ...rrection would occur at the MAU on the other end of the UTP link This occurs within a single pair and should not be confused with the crossover cable PROPAGATION DELAY The time it takes a signal to tr...

Страница 43: ...le pin 1 of one connector connects to pin 1 of another connector TCP IP PROTOCOLS A set of protocols for intercomputer communication including network level Internet Protocol transport level Transmiss...

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Страница 45: ..._________________________________________________________ Conditions List the steps that led up to the problem ___________________________ _____________________________________________________________...

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Страница 47: ..._________________ ______________________________________________________________________ ______________________________________________________________________ ________________________________________...

Страница 48: ......

Страница 49: ...United States Canada Mexico Central America South America 1 800 428 4835 1 425 481 3790 United Kingdom United Kingdom Denmark Norway Sweden Finland Iceland 44 1 235 442560 44 1 235 442490 Technical Bu...

Страница 50: ...Scottsdale AZ Tel 602 423 7087 Fax 602 423 7088 Los Angeles CA Tel 310 412 8684 Fax 310 412 8685 Mission Viejo CA Tel 714 699 0628 Fax 714 699 0276 For Sales Information San Diego CA Tel 619 279 3899...

Страница 51: ...tioning 2 jabber lock up protection 3 link integrity 2 regeneration 2 H Hub to UTP transceiver 12 I IEEE 802 3 specifications 13 impedance 10 indicators activity 3 5 collision 3 5 link 3 5 link ok 13...

Страница 52: ...s 15 site requirements 9 specifications 10Base T Network 13 certification 24 connector ports 23 diagnostic LEDs 24 electrical 24 environmental 24 physical 23 surface mount technology SMT 2 V valid con...

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