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Chapter 4: Connecting to the Network

Page 4-4

MicroMMAC Installation Guide

2. Attach wires of the 25-pair cable to a punch down block, or patch

panel.

3. At the device end of a segment, attach the segment to a 10BASE-T

compliant Ethernet device.

4. Check that the link LED on the 10BASE-T Ethernet device and the

applicable LNK LEDs on the MicroMMAC are on. If the LEDs are
not on, perform each of the following steps until the LEDs are on:

Check that the 10BASE-T device and the MicroMMAC have
power.

b. Verify the cabling between the MicroMMAC and the 10BASE-T

device.

Check the cable for continuity.

If a link has not been established, contact Cabletron Systems Technical
Support.

Содержание MicroMMAC-24E

Страница 1: ...7 6 5 4 3 2 1 19X 2 0 X 2 1 X 2 2 X 2 3X 2 4 X 18X 17X 16 X 15 X 14 X 13 X CLN PWR CPU RCV LNK RCV LNK E 1 E 2 R DISPLAY RESET EPIM 2 MicroMMAC 34E 10BASE T HUB WITH LANVIEW COM 1 COM 2 EPIM 1 CABLETR...

Страница 2: ...O LOST PROFITS ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES Copy...

Страница 3: ...WARNING Changes or modifications made to this device which are not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment DOC NOTICE This d...

Страница 4: ...greement shall be interpreted and governed under the laws and in the state and federal courts of New Hampshire You accept the personal jurisdiction and venue of the New Hampshire courts EXCLUSION OF W...

Страница 5: ...and c in all respects is proprietary data belonging to Cabletron and or its suppliers For Department of Defense units the product is licensed with Restricted Rights as defined in the DoD Supplement to...

Страница 6: ...73 23 EEC EN 55022 EN 50082 1 EN 60950 Equipment Type Environment Networking Equipment for use in a Commercial or Light Industrial Environment We the undersigned hereby declare that the equipment pack...

Страница 7: ...g the LCD and LCD DISPLAY Button 2 2 2 3 1 Static System Messages 2 3 2 3 2 Saved Alarm Messages 2 4 2 3 3 Unsaved Initialization Messages 2 5 2 3 4 Saved System Messages 2 6 2 4 Using the Reset Butto...

Страница 8: ...EPIM F2 or EPIM F34 8 4 1 6 Connecting a 10BASE2 Segment to an EPIM C 4 10 4 1 7 Connecting an AUI Segment to an EPIM A 4 11 4 1 8 Connecting an AUI Segment to an EPIM X 4 13 CHAPTER 5 TROUBLESHOOTING...

Страница 9: ...UTP and STP Cable C 2 C 1 3 Multimode Fiber Optic Cable C 4 C 1 4 Single Mode Fiber Optic Cable C 5 C 1 5 10BASE2 Thin Coaxial Cable C 6 C 1 6 AUI Cable C 7 C 2 Network Port Specifications C 7 C 2 1 M...

Страница 10: ...ayer components is helpful when installing the MicroMMAC 1 2 MANUAL ORGANIZATION This manual contains the following chapters and appendices Chapter 1 Introduction outlines the contents of this manual...

Страница 11: ...tional EPIMs available for the MicroMMAC Appendix C Network Planning and Configuration provides network cable requirements 1 3 DOCUMENT CONVENTIONS The following conventions are used throughout this d...

Страница 12: ...nectivity for unshielded twisted pair shielded twisted pair multimode fiber optic single mode fiber optic or thin coaxial cable The following list describes each configuration of the MicroMMAC MicroMM...

Страница 13: ...Polarity Detection and Correction feature This feature allows the MicroMMAC to pass data regardless of the polarity of the twisted pair segment s receive link Cabletron Systems does not recommend oper...

Страница 14: ...The MicroMMAC provides IETF MIB support which includes the following Remote Monitoring MIB RMON Bridge MIB MIBII Serial Connections The MicroMMAC provides two RJ45 ports COM 1 and COM 2 for serial con...

Страница 15: ...FLASH memory The original firmware image in LDRAM continues to run until the MicroMMAC is reset You can perform a Runtime Download through any network port including the BRIM 1 6 STACKABLE CAPABILITI...

Страница 16: ...ystems SPECTRUM Element Manager for Windows Cabletron Systems Remote SPECTRUM Portable Management Applications REAR VIEW MicroMMAC MANAGING 4 SEH NON INTELLIGENT HUBS MicroMMAC 34E 10BASE T HUB WITH L...

Страница 17: ...with bridging routing capability Cabletron Systems offers BRIMs that support the following technologies Asynchronous Transfer Mode ATM Ethernet Fast Ethernet Fiber Distributed Data Interface FDDI Toke...

Страница 18: ...ced where appropriate but not repeated in this manual Cabletron Systems SEH Series User s Guides Cabletron Systems BRIM User s Guides Table 1 1 EPIMs EPIM Media Type Connectors EPIM A AUI DB15 Female...

Страница 19: ...in anonymous Password your email address Before calling Cabletron Systems Technical Support have the following information ready A description of the failure A description of any action s already take...

Страница 20: ...croMMAC 24E 10BASE T HUB WITH LANVIEW COM 1 COM 2 EPIM 1 CABLETRON MicroMMAC 24 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 19X 2 0 X 2 1 X 2 2 X 2 3X 2 4 X 18X 17X 16 X 15 X 14 X 1...

Страница 21: ...LED blinks green indicating normal operation If the LED remains red the processor is faulty contact Cabletron Systems Technical Support To power off the MicroMMAC disconnect the power cord from the p...

Страница 22: ...ress can be changed through Local Management MAC Address 00001dxxxxxx Displays the MicroMMAC s MAC address this address is also called the physical address RAM Image Rev xx xx xx Displays the revision...

Страница 23: ...Alarm messages in queue This is the default setting Port xxxxxx Segmented Displays segmentation status of network ports 1 24 EPIM 1 or EPIM 2 Port xxxxxx UnSegmented Displays segmentation status of n...

Страница 24: ...unauthorized access attempt at ports 1 24 Cable Redundancy Port xxxxxx Failure Indicates failure of redundant link at ports 1 24 EPIM 1 or EPIM 2 Cable Redundancy Enable Port xxxxxx Indicates redundan...

Страница 25: ...and then release to display the first Saved System message 3 Press and immediately release the Display button to display each subsequent message If the Display button is not pressed again for ten seco...

Страница 26: ...ages Displayed Messages Comments BootP Host xxx xxx xxx xxx The IP address of the server from which a BootP image was downloaded to the MicroMMAC TFTP Host xxx xxx xxx xxx The IP address of the server...

Страница 27: ...hat the MicroMMAC is powered on 2 Use a non metallic tool to change the state of the NVRAM switch For example Move the switch from one position to another 3 Press the Reset button The MicroMMAC reboot...

Страница 28: ...Using the NVRAM Switch MicroMMAC Installation Guide Page 2 9 Figure 2 2 NVRAM Switch Location REAR OF CHASSIS NVRAM SWITCH LOCATED BEHIND CIRCULATION VENT 149005...

Страница 29: ...oMMAC 2 Carefully remove the MicroMMAC from the shipping box and set it aside to prevent damage 3 Visually inspect the MicroMMAC If there are any signs of damage contact Cabletron Systems Technical Su...

Страница 30: ...C from the network as follows a Disconnect the power cord from the rear of the MicroMMAC b Disconnect all network cables attached to the MicroMMAC Note the ports to which these cables attach c If the...

Страница 31: ...oMMAC Place the screws aside See Figure 3 1 3 Remove the chassis cover from the MicroMMAC See Figure 3 1 Figure 3 1 Removing the Chassis Cover Screws LINE 100 125V 4 0A 200 250V 2 0A 50 60Hz SN MicroM...

Страница 32: ...re in the correct position for normal MicroMMAC operation Figure 3 2 The MicroMMAC Mode Switches and FLASH SIMM Location Switch definitions are as follows Switch 1 Cabletron Systems use only Switch 2...

Страница 33: ...a BOOTP server again However the BOOTP request times out after about one minute and the MicroMMAC boots from FLASH memory Switch 7 Cabletron Systems use only Switch 8 Password Defaults Changing the st...

Страница 34: ...m the following steps 1 Push the two connector clips away from the FLASH SIMM to release it 2 Tilt the FLASH SIMM upward 3 Pull the FLASH SIMM out of the socket Figure 3 3 Removing a FLASH SIMM CAUTIO...

Страница 35: ...owing steps 1 With the SIMM notch positioned as shown in Figure 3 4 gently insert the FLASH SIMM into the SIMM connector 2 Carefully rock the FLASH SIMM back towards the connector clips until the clip...

Страница 36: ...ng sure the connector on the EPIM attaches to the connector inside the MicroMMAC See Figure 3 5 3 Install the mounting screw Figure 3 5 Installing an EPIM CAUTION EPIMs are sensitive to static dischar...

Страница 37: ...own in Figure 3 6 To test the MicroMMAC perform the following steps 1 Connect the first workstation to a MicroMMAC network port EPIM or BRIM 2 Connect the second workstation to a MicroMMAC network por...

Страница 38: ...nd a strain relief bracket The following sections provide instructions for stacking the MicroMMAC or installing it as a standalone device Follow the instructions that are applicable to your installati...

Страница 39: ...must be able to support 30 pounds of static weight for each device in the stack The temperature for the selected location must maintain a temperature between 5 C and 40 C 41 F and 104 F and fluctuate...

Страница 40: ...the MicroMMAC ACCY KIT package 2 Attach the strain relief bracket to the bottom of the MicroMMAC as shown in Figure 3 8 Figure 3 8 Attaching the Strain Relief Bracket Do NOT attempt to attach the stra...

Страница 41: ...ck used to install the unit will support the unit and that the rack will remain stable with the unit installed in it Support the MicroMMAC securely from underneath and align the brackets of the MicroM...

Страница 42: ...icroMMAC together with an SEH non intelligent hub perform the following steps 1 Attach the MicroMMAC HubSTACK Interconnect cable to the OUT port on the rear panel of the MicroMMAC as shown in Figure 3...

Страница 43: ...panel of the SEH next in the stack Figure 3 11 Stacking the MicroMMAC SEH HubSTACK INTERCONNECT CABLES PN 9380110 MicroMMAC HubSTACK INTERCONNECT CABLE PN 9380111 MicroMMAC 34E 10BASE T HUB WITH LANVI...

Страница 44: ...wn in Figure 3 12 This ensures proper termination of the HubSTACK cable Figure 3 12 Disconnecting the HubSTACK Interconnect Cable DISCONNECT MicroMMAC AND SEH INTERCONNECT CABLES AT THE OUT PORT Micro...

Страница 45: ...procedure described in the subsections that apply to your MicroMMAC Connecting a 10BASE T Segment to the MicroMMAC 22E and MicroMMAC 24E Section 4 1 1 Connecting a 10BASE T Segment to the MicroMMAC 32...

Страница 46: ...ition is discovered the segment should be removed from the network and wired correctly by a technician To attach twisted pair segments to the RJ45 network ports of the MicroMMAC perform the following...

Страница 47: ...to the MicroMMAC 32E and MicroMMAC 34E The MicroMMAC 32E has one RJ71 connector and the MicroMMAC 34E has two RJ71 connectors Each RJ71 connector supports twelve 10BASE T segments To connect the Micro...

Страница 48: ...ice 4 Check that the link LED on the 10BASE T Ethernet device and the applicable LNK LEDs on the MicroMMAC are on If the LEDs are not on perform each of the following steps until the LEDs are on a Che...

Страница 49: ...ure 4 3 EPIM T Crossover Switch To connect an EPIM T to a twisted pair segment perform the following steps 1 Connect the twisted pair segment to the module by inserting the RJ45 connector on the twist...

Страница 50: ...nsists of two strands of fiber optic cabling the transmit TX and the receive RX The transmit strand from a module port connects to the receive port of a fiber optic Ethernet device at the other end of...

Страница 51: ...the receive port RX on the EPIM F1 Insert the SMA connector into the port Turn the connector clockwise until the connector will no longer turn easily Do not overtighten the connector Figure 4 5 SMA Co...

Страница 52: ...are still unable to establish a link attempt to make the connection between the devices with another fiber optic cable If this is unsuccessful contact Cabletron Systems Technical Support 4 1 5 Connect...

Страница 53: ...d receive ports of the device If link indicators are present for the fiber optic connection check that they are ON If an indicator is present but not ON that port does not have a valid link Perform ea...

Страница 54: ...to internally terminate the thin coaxial cable segment at the port Thin coaxial cable segments may be directly connected to the port b OFF position to not internally terminate the thin coaxial cable...

Страница 55: ...will pull the connector in until they reach the circular locking holes at the end of the guide channels The keys will click the connector into place and hold it there To remove the BNC connector perf...

Страница 56: ...ure 4 8 The port will only connect if it is properly aligned 3 Firmly press the AUI connector over the AUI port If there is a slide latch present for the AUI connector slide it over the locking posts...

Страница 57: ...e 4 9 The EPIM X 2 Firmly press the AUI connector over the AUI port If there is a slide latch present for the AUI connector slide it over the locking posts on the DB15 port 3 Check that the SQE LED on...

Страница 58: ...Chapter 4 Connecting to the Network Page 4 14 MicroMMAC Installation Guide NOTE If the SQE LED remains on even though the SQE switch is in the OFF position contact Cabletron Systems Technical Support...

Страница 59: ...ED A detailed description of each LED follows Figure 5 1 Figure 5 1 LANVIEW LEDs LED NAME PWR Power CPU Central Processing Unit CLN Collision RCV Receive LNK Link LED COLOR Off Green Solid Off Green F...

Страница 60: ...terface is in a standby condition A blinking green LED indicates normal operation A red LED indicates a faulty processor CLN The CLN LED indicates the collision status of the MicroMMAC ports A red LED...

Страница 61: ...to device Refer to the MicroMMAC Local Management User s Guide for Community Names Table setup and IP address assignment procedures Check the link to the MicroMMAC User entered parameters IP address...

Страница 62: ...nductor DP93932 Non Volatile RAM 128 kB with battery backup EPROM 128 kB FLASH Memory 2 MB Expandable CPU Memory 4 MB Expandable A 2 POWER SUPPLY REQUIREMENTS The MicroMMAC has a universal power suppl...

Страница 63: ...s of UL 1950 CSA C22 2 No 950 EN 60950 and IEC 950 A 5 EMI REQUIREMENTS This unit meets the EMI requirements of FCC Part 15 Class A EN 55022 Class A and VCCI Class I A 6 EMC REQUIREMENTS This unit mee...

Страница 64: ...bling It has an internal Cabletron Systems TPT 10BASE T Twisted Pair Transceiver The slide switch on the EPIM T determines the crossover status of the cable pairs If the switch is on the X side the pa...

Страница 65: ...nnectors and the EPIM F2 is equipped with ST connectors Figure B 2 The EPIM F1 and EPIM F2 Table B 1 EPIM F1 and EPIM F2 Specifications Parameter Typical Value Worst Case Worst Case Budget Typical Bud...

Страница 66: ...1 e g 29 5 dBm peak 32 5 dBm average B 3 EPIM F3 Figure B 3 shows the EPIM F3 The EPIM F3 supports single mode fiber optic cabling It has an internal Cabletron Systems FOT F fiber optic transceiver an...

Страница 67: ...any particular port If you measure Power Levels with an Average Power Meter you must add 3 dBm to the measurement to correctly compare those measured values to the values listed above e g 29 5 dBm pe...

Страница 68: ...connector and terminator Figure B 4 shows the settings for the terminator switch Figure B 4 EPIM C Connector Type BNC receptacle with gold center contact for use with BNC type T connectors and RG58 t...

Страница 69: ...nal transceivers It has a DB15 male connector used to attach segments to an AUI cable Figure B 5 shows both modules along with DB15 pinouts Figure B 5 EPIM A and EPIM X AUI Port Pin 1 Logic Ref Pin 9...

Страница 70: ...eparing the network cabling and connections The quality of the connections and the length of cables are critical factors in determining the reliability of the network The following sections describe r...

Страница 71: ...n loss allowed for a 10BASE T link is 11 5 dB between frequencies of 5 0 and 10 MHz This includes the attenuation of the cables connectors patch panels and reflection losses due to impedance mismatche...

Страница 72: ...sstalk 10BASE T transceiver design alleviates concerns about crosstalk provided the cable meets all other requirements Noise Crosstalk or externally induced impulses can cause noise Impulse noise may...

Страница 73: ...ween stations and total network propagation delay To determine the fiber optic budget combine the optical loss due to the fiber optic cable in line splices and fiber optic connectors Typical loss for...

Страница 74: ...n stations and total network propagation delay To determine the fiber optic budget combine the optical loss due to the fiber optic cable in line splices and fiber optic connectors Typical loss for a s...

Страница 75: ...thin coaxial cable segment Connectors A maximum of 29 T connectors may be used throughout the length of cable segment for host connections If an excessive number of barrel connectors are used within...

Страница 76: ...8 AWG thin office drop AUI cable is used then the maximum cable length is limited to 15 24 meters 50 feet Grounding The connector shell of the EPIM A and the EPIM X are connected to ground C 2 NETWORK...

Страница 77: ...J45 pinouts Figure C 1 RJ45 Network Ports C 2 2 MicroMMAC 32E and MicroMMAC 34E Network Ports The MicroMMAC 32E and MicroMMAC 34E provide RJ71 connectors for network connections as shown in Figure C 2...

Страница 78: ...RX 5 Red Brown 10 TX 5 Gray Red 35 TX 5 Red Gray 11 RX 6 Blue Black 36 RX 6 Black Blue 12 TX 6 Orange Black 37 TX 6 Black Orange 13 RX 7 Green Black 38 RX 7 Black Green 14 TX 7 Brown Black 39 TX 7 Bl...

Страница 79: ...n external network segment using a transceiver to the MicroMMAC with an EPIM A the following requirements must be met The transceiver or Ethernet Device to which the module will be connected must meet...

Страница 80: ...y Error SQE test function on the transceiver must be disabled if you connect it to a repeater or to an Ethernet Version 1 0 device In addition some Version 2 0 equipment does not support the SQE test...

Страница 81: ...C 5 Caution 1 2 Chassis Cover removing 3 2 COM Port Specifications C 10 D Distributed LAN Monitor DLM 1 5 E EMC Requirements A 2 EMI Requirements A 2 Environmental Requirements operating humidity A 2...

Страница 82: ...2 8 P Physical Specifications dimensions A 2 weight A 2 Ping 3 9 Pinouts DB15 B 6 RJ21 C 8 RJ45 C 8 Power Supply output specifications A 2 requirements A 1 R Remote Network Management 1 7 Reset butto...

Страница 83: ...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 to...

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