Allied Telesis CentreCOM AT-MR415T Installation Manual Download Page 52

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Index

rubber feet 14
S
segmentation 2
signal propagation delays 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 connection 19
valid link 3
ventilation 9
W
wiring 11, 12, 13, 25, 26, 27

Summary of Contents for CentreCOM AT-MR415T

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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Page 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...

Page 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...

Page 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...

Page 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...

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

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Page 47: ..._________________ ______________________________________________________________________ ______________________________________________________________________ ________________________________________...

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Page 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...

Page 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...

Page 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...

Page 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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