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The Complete Networking Solution

MRX/MRX-2 AND

MRXI/MRXI-2

10BASE-T HUB

INSTALLATION GUIDE

CABLETRON SYSTEMS, P.O. Box 5005, Rochester, NH 03867-5005

INC.

Summary of Contents for MRX

Page 1: ...The Complete Networking Solution MRX MRX 2 AND MRXI MRXI 2 10BASE T HUB INSTALLATION GUIDE CABLETRON SYSTEMS P O Box 5005 Rochester NH 03867 5005 INC...

Page 2: ...INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING BUT NOT LIMITED TO LOST PROFITS ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HA...

Page 3: ...interference in which case the user at his own expense will be required to take whatever steps may be necessary to correct the interference If this equipment does cause interference to radio or televi...

Page 4: ...3 4 Transceiver AUI Requirements 2 5 2 4 Operating Specifications 2 6 CHAPTER 3 INSTALLATION 3 1 Unpacking The HUB 3 1 3 2 Attaching The Strain Relief Bracket 3 2 3 3 Installing The HUB 3 2 3 3 1 Rac...

Page 5: ...Cable To A SPIM A 3 15 3 6 Finishing The Installation 3 16 CHAPTER 4 TESTING AND TROUBLESHOOTING 4 1 Installation Check Out 4 1 4 2 Testing Segments Attached To The HUB 4 2 4 3 Using LANVIEW 4 5 CHAP...

Page 6: ...agement MRXI 12 10BASE T using 50 pin Champ connector 2 Single Port Interface Module SPIM slots SNMP Compliant Management MRXI 2 12 10BASE T using RJ 45 connectors 2 Single Port Interface Module SPIM...

Page 7: ...E 802 3 type data communications networks and their physical layer components will be helpful when installing the HUB Chapter 1 Introduction covers using this document briefly describes features of th...

Page 8: ...Ethernet 802 3 network via Unshielded Twisted Pair Cable from the 10BASE T Twisted Pair Interface Modules SPIM T Shielded Twisted Pair Cable from the 10BASE T Twisted Pair Interface Modules SPIM T1 Fi...

Page 9: ...ly by a technician This reduces the potential for problems in the future if equipment changes are made Connector pinouts are provided in Chapter 2 Installation Requirements Specifications All four HUB...

Page 10: ...edures contained in these manuals will be referenced where appropriate rather than repeated MRXI LM Local Management for the Cabletron Systems MRXI MRXI 2 User s Manual Cabletron Systems LAN MD Portab...

Page 11: ...INTRODUCTION Page 1 6...

Page 12: ...REQUIREMENTS Take care in planning and preparing the cabling and connections for your network The quality of the connections the length of cables and other conditions of the installation are critical...

Page 13: ...dard PVC phone wire Maximum link length is largely dependent on cable quality If high quality low attenuation cable is used link lengths of up to 200 meters are achievable The device at the other end...

Page 14: ...Type 1 cable can also be used You should remember that the impedance of IBM Type 1 cable is typically 150 ohms This increases the signal reflection caused by the cable but since the cable is shielded...

Page 15: ...recommended that you use plenum rated cables to ensure that cable attenuation remains within specification 2 3 2 Fiber Optic Network Requirements When connecting a Fiber Optic Link Segment to the HUB...

Page 16: ...ment to the HUB with a Single Port Coax Interface Module SPIM C the following network requirements must be met Cable Type 50 ohm RG 58A U type coaxial cable must be used when making up a thin net cabl...

Page 17: ...an AUI cable to the HUB with a Single Port AUI Interface module SPIM A the following network requirements must be met Transceiver Ethernet Device The transceiver or Ethernet Device to which the module...

Page 18: ...miconductor DP8390 Static RAM 128 KB EPROM 256 KB MRX MRX 2 and MRXI MRXI 2 Delay Times In Out Delay Typ Start of Packet Twisted Pair SPIM 1000 nsec Twisted Pair Twisted Pair 1000 nsec SPIM SPIM 1300...

Page 19: ...1 through 12 Internal Transceiver Cabletron Systems TPT T Transceiver For further information refer to the TPT T Twisted Pair Transceiver User s Manual MRX MRXI Type 50 Pin Champ Connector Pin Signal...

Page 20: ...olet Orange 23 RX12 Green Violet 48 RX12 Violet Green 24 TX12 Brown Violet 49 TX12 Violet Brown 25 N C Gray Violet 50 N C Violet Gray Network Twisted Pair Interface Ports 1 through 12 MRX 2 MRXI 2 Typ...

Page 21: ...SPIM F1 OR SPIM F2 FIBER OPTIC PORT Internal Transceiver Cabletron Systems FOT F Fiber Optic Transceiver Type SPIM F1 SMA fiber optic ports SPIM F2 ST fiber optic ports Worst Parameter Typical Worst C...

Page 22: ...SPIM C BNC PORT Internal Transceiver Cabletron Systems TMS 3 Transceiver Termination The port on the module can be internally terminated to an internal 50 Ohm terminator utilizing the switch located...

Page 23: ...ic Ref Connector Shell Protective Ground CONSOLE PORT MRXI MRXI 2 Only The Console RS 232 Port supports access to Remote LANVIEW via a Local Management Console connected at the front panel of the MRXI...

Page 24: ...yellow data packet on that segment COLLISION Indicates that a collision is occurring on red a system level MGMT Flashes to indicate that the Remote yellow LANVIEW Network Control Management MRXI MRXI...

Page 25: ...A limits WARNING It is the responsibility of the person who sells the system to which the HUB will be a part to ensure that the total system meets allowed limits of conducted and radiated emissions SE...

Page 26: ...ssories and check that all items listed below are included One cable support bracket One 7 5 foot USA power cord 18 6 inch cable ties Two rack wall mount brackets Four 8 32 x 3 8 screws Two wall mount...

Page 27: ...relief bracket to the rear of the HUB as shown in Figure 3 1 Figure 3 1 Attaching the Strain Relief 3 3 INSTALLING THE HUB The HUB can be rack mounted in a 19 inch rack wall mounted or free standing...

Page 28: ...the four cover screws removed in step 1 attach the rack mounting brackets to each end of the HUB Be sure to use the two holes nearest the bend in the bracket so that the bracket is mounted flush with...

Page 29: ...HUB is flat mounted on a wall surface it must be installed with the cable connections facing down Refer to Figure 3 4 and perform the following steps to install the HUB as a wall mounted device 1 Rem...

Page 30: ...h drilling for pilot holes Select a wall location where drilling pilot holes for the Molly screws will not come in contact with electrical wiring in the wall 4 You will need a pencil for this step Wit...

Page 31: ...ll or other composition wall materials The weight of cabling connected at the HUB could cause the HUB to break away from the wall causing damage to the wall and HUB 1 Remove the four cover screws two...

Page 32: ...ure 3 5 Figure 3 5 Perpendicular Wall Mounting 5 Set the HUB aside and carefully drill four 1 4 pilot holes one for each of the Molly screw anchors and insert the four Molly screw anchors into the hol...

Page 33: ...4 CONNECTING THE HUB TO THE POWER SOURCE Connect the HUB to the power source as follows NOTE The HUB has a universal power supply This allows you to connect the HUB to power sources from 85 Vac to 264...

Page 34: ...ally connects to a punch down block using a 50 pin Champ connector but in some cases the connection could require wiring the block for the individual twisted pairs The Appendix provides a guide to wir...

Page 35: ...ment has the proper pinouts see Figure 3 8 Figure 3 8 Cable Pinouts RJ 45 Network Ports c Check the cable for continuity d Check that the twisted pair connection meets dB loss and cable specifications...

Page 36: ...the twisted pair segment into the RJ 45 port on the module Figure 3 9 Connecting a Twisted Pair Segment to a SPIM T 2 Check that the LNK LED for the port is lit If the LED is not lit perform each of...

Page 37: ...ccording to the pinout shown in Figure 3 12 Figure 3 11 SPIM T1 To connect a Shielded Twisted Pair Segment to a SPIM T1 1 Connect the DB 9 Connector see Figure 3 11 from the shielded twisted pair segm...

Page 38: ...9 connector on the twisted pair segment has the proper pinouts see Figure 3 12 c Check the cable for continuity d Check that the twisted pair connection meets dB loss and cable specifications outline...

Page 39: ...le will be connected to the Receive port of a fiber optic Ethernet device at the other end of the segment For example TX of the applicable port on the module will go to RX of the other fiber optic dev...

Page 40: ...ntil it is a Check that the power is turned on for the device at the other end of the link b Verify that the fiber strands are properly crossed over between the applicable port on the module and the f...

Page 41: ...The off position o if the thin net segment will not be terminated at the port 2 If the Internal Termination switch is in the On position connect the thin net segment directly to the BNC port 3 If the...

Page 42: ...le no longer than 50 meters in length to the transceiver connected to the network in step 1 3 Connect the AUI cable to the AUI port located on the rear of the HUB see Figure 3 15 4 Lock the AUI connec...

Page 43: ...re listed in Chapter 2 Installation Requirements Specifications b Check the cable for continuity c Reconnect the AUI cable to the HUB and the device If the LED is still not lit after reconnecting the...

Page 44: ...es check the link as follows 1 Check that the LINK LED if applicable for the port is lit If the LED is not lit a Check that the 10BASE T device at the other end of the twisted pair segment is powered...

Page 45: ...y network management or The port has been segmented either because the collision detector was on for more than 210 sec or 33 consecutive collisions were detected on the attached segment The affected l...

Page 46: ...cting one or both of the LAN MDs to a segment that is attached to a one of the twelve unshielded twisted pair Network ports a SPIM T or SPIM T1 installed in the HUB 1 Connect a properly functioning Ca...

Page 47: ...o the transceiver using an AUI cable LAN MD 10BASE T HUB T SPIM C LAN MD AUI CABLE TPT T 10BASE T HUB LAN MD 9 LAN MD AUI CABLE AUI CABLE FOT F TPT T SPIM F1 2 SPIM T1 FIBER OPTIC SPIM F1 F2 TO SHIELD...

Page 48: ...be sent from this LAN MD to the LAN MD at the other end of the wide area link acting as the Server then echoed back When the links have successfully completed these tests the HUB is ready for normal o...

Page 49: ...ing effect LINK green When this LED is lit for Ports 1 12 the twisted pair ports this indicates that a link has been established between the associated twisted pair segment and the 10BASE T device at...

Page 50: ...XI 2 Only MGMT Yellow The management LED flashes for a management packet received for the MRXI MRXI 2 management FAULT Red Indicates an error has been detected by the software If this problem persists...

Page 51: ...Page 4 8 TESTING AND TROUBLESHOOTING...

Page 52: ...ould refer to Chapter 4 Testing and Troubleshooting to verify proper operation of the HUB 5 1 OPENING THE HUB The cover must be removed from the HUB to remove or install a SPIM Remove the cover as fol...

Page 53: ...existed before then you can bypass this section and go on to Installing a SPIM The procedure is the same for both SPIM positions Refer to Figure 5 2 and remove the existing SPIM as follows 1 Disconne...

Page 54: ...ll be installed Remove the blank panel as follows a Using the special offset 1 4 inch wrench supplied with the new SPIM remove the two 1 4 inch hex nuts and two washers that secure the blank panel to...

Page 55: ...secure it with the latch ears on the receptacle 5 Reinstall the cover using the previously removed cover screws 6 If cables were previously removed reconnect them according to their labels 7 Power on...

Page 56: ...nch down block and Figure A 2 shows the wiring for a twisted pair segment To connect the HUB into an existing twisted pair wiring system 1 Connect a 50 pin feeder cable to the Champ connector on the H...

Page 57: ...h Down Block Figure A 2 Typical Segment Wiring A B C D 1 50 10 20 30 40 RJ 45 Female Receptacle 1 2 3 4 5 6 7 8 10BASE T HUB TPT T AUI Cable RX RX TX TX 50 PINPUNCH DOWN BLOCK 25 PairFeeder Wall Plate...

Page 58: ...rt 10 RX 44 44 Yellow Brown RX A37 Yellow Brown RX RX 19 19 Brown Yellow RX A38 Brown Yellow RX TX 45 45 Yellow Gray TX A39 Yellow Gray TX TX 20 20 Gray Yellow TX A40 Gray Yellow TX Port 9 RX 42 42 Ye...

Page 59: ...32 Red Orange RX A13 Red Orange RX RX 7 7 Orange Red RX A14 Orange Red RX TX 33 33 Red Green TX A15 Red Green TX TX 8 8 Green Red TX A16 Green Red TX Port 3 RX 30 30 White Gray RX A9 White Gray RX RX...

Page 60: ...nge TX 3 RX 3 RX 3 RX B44 Orange Violet TX 6 RX 6 RX 6 RX Port 10 B37 Yellow Brown RX 1 TX 1 TX 1 TX B38 Brown Yellow RX 2 TX 2 TX 2 TX B39 Yellow Gray TX 3 RX 3 RX 3 RX B40 Gray Yellow TX 6 RX 6 RX 6...

Page 61: ...TX B19 Red Gray TX 3 RX 3 RX 3 RX B20 Gray Red TX 6 RX 6 RX 6 RX Port 4 B13 Red Orange RX 1 TX 1 TX 1 TX B14 Orange Red RX 2 TX 2 TX 2 TX B15 Red Green TX 3 RX 3 RX 2 TX B16 Green Red TX 6 RX 6 RX 6 R...

Page 62: ...die Anwendung des Geraetes geeignet und der zum Benuetzen im Lande der Anwendung anerkannt ist SPANISH El cable principal de la red el ctrica utilizado con este equipo debe tener 2 conductores y 1 tom...

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