STP Conﬁguration Example | Cabletron Systems MICROMMAC, 42T instruction

			INSTALLATION
	WALL
			MicroMMAC-24T
		MicroMMAC-44T
	Token Ring
Token Ring	Network Interface Card	MIC Data
Station		MIC Data
Station		Connector
		Connector
		Patch
		Panel
		Wall
		Jack
		STP
		Lobe Cable
	OFFICE		WIRING CLOSET
	Figure 3-11. STP Conﬁguration Example

To attach a lobe segment to a MicroMMAC-T network port:

1.Insert the RJ45 connector from each twisted pair segment into an RJ45 network lobe port on the MicroMMAC-T, as shown in Figure 3-12.

18

6

17

5

16

4

15

3

14

2

13

1

LNK

TPIM-T4

RI

Figure 3-12. MicroMMAC-T Network Ports

3-11

Image 46

Cabletron Systems MICROMMAC, 42T manual To attach a lobe segment to a MicroMMAC-T network port, STP Conﬁguration Example

Contents

Page Iii FCC Notice Cabletron SYSTEMS, INC. Program License Agreement United States Government Restricted Rights Contents Troubleshooting Local Management Saved System Messages Viewing Power UP Diagnostic Tests Contents Overview Chapter Introduction MicroMMAC-T Overview MicroMMAC-T Features Telnet Active TCU Ports Cable Signal PolaritySpeed Fault Protection Local Management Flash Eeprom Ring Speed SwitchCabletron’s Distributed LAN Monitor Mode Lanview LEDs LCD and LCD Display Button Reset ButtonCOM Port Applications MIB Support Rmon MIB RFC 1271/1513 Support Rmon MIB SupportGroup Subgroup Section Stackable Capabilities BRIDGING/ROUTING Capabilities Typical Stackable Conﬁguration Telnet Capabilities 1 SNA/WAN IntegrationRemote Management Capabilities BRIMs Recommended Reading Getting Help Cable Specifications MicroMMAC-T Ports/Cables UTP Voice Grade and Category 3 Speciﬁcations UTP Cable SpeciﬁcationsAttenuation and Impedance Frequency Impedance Attenuation Maximum Number of Stations Maximum Lobe LengthsType 3 Media Filters UTP Maximum Lobe Lengths STP Cable Speciﬁcations STP Cable SpeciﬁcationsTypes Frequency Impedance Attenuation STP Cable Type Ring Speed Mbps Maximum Trunk LengthsSTP Maximum Lobe Lengths STP Maximum Drive Distance Multimode Fiber Optic Cable Speciﬁcations Mixed Cable TypesAttenuation Cable Type Attenuation Maximum Drive Distance Single Mode Fiber Optic Cable Speciﬁcations Single Mode Fiber Optic Cable SpeciﬁcationsFiber Optic Budget Crosstalk Cable RECOMMENDATIONS/TROUBLESHOOTINGTemperature Noise COM Port Specifications COM 1/COM 2 Ports Slip Tpim SpecificationsUPS TPIM-T1 TPIM-T2 TPIM-T1 Pinouts TPIM-F2 TPIM-T4 Pinouts Parameter Typical Worst Case Value Budget TPIM-F3TPIM-F2 Speciﬁcations Parameter Typical Minimum Maximum REQUIREMENTS/SPECIFICATIONS Output Min. Load Max. Load Max Power General SpecificationsPower Supply Requirements Environmental Requirements Service SafetyPhysical Unpacking the MicroMMAC-T Attaching the Strain Relief Bracket Installing the MicroMMAC-T Rack-Mounting the MicroMMAC-T Installing of Rack-Mount Brackets Wall-Mounting the MicroMMAC-T Wall-Mounting the MicroMMAC-T Connecting to a Power Source Free-Standing InstallationResetting the MICROMMAC-T To reset the MicroMMAC-T Setting the Ring SpeedTo change the ring speed Setting the Nvram Switch To restore MicroMMAC-T parameters to the factory defaults Connecting Lobe Port Cabling RJ45 Plug MIC Connector RJ45 Plug At TCU At device port 10. UTP Conﬁguration Example To attach a lobe segment to a MicroMMAC-T network port 11. STP Conﬁguration Example Signal RJ45 DB9 Ring-In Ring-Out Installing Tpim ModulesPinout Cross-Reference for TPIMs Setting Phantom and RI/RO Switches Tpim Installation To install a TPIM, perform the following steps Connecting STP Segments To connect a TPIM-T1 to a Twisted Pair Segment Connecting Twisted Pair Segments To connect a segment to a TPIM-T2/-T4 Connecting Fiber Optic Link Segments 16. The TPIM-T2/-T4 To connect a ﬁber optic link segment to the TPIM-F2 /-F3 17. The TPIM-F2/-F3 Checking the Installation To check MicroMMAC-T installation Management Terminal Requirements Use Local Management to Do the Following Attaching the Management Terminal Management Terminal Setup ParametersTo attach a management terminal to the MicroMMAC-T Terminal Settings for LM Terminal Modem Cable Conﬁguration and SetupMenu Function Selection Accessing Local Management To access Local Management Accessing Local Management via Telnet MicroMMAC-TLocal Management Screen Setup Menu Screen Accessing Local Management from a ModemUsing Local Management Main Menu Screen Working with Local Management Screens Setting or Modifying Local Management Screen FieldsSelecting a Menu Screen Option Exiting a Local Management Screen Exiting Your Local Management Session Setting the System Date System Level Screen Setting the System Time Setting the Host IP Address Modifying the Subnet Mask To modify the Subnet Mask To set the Default Gateway Setting the Default GatewaySetting Automatic Beacon Recovery Process Abrp Fields To set the Beacon Recovery ﬁeld To set the Number of Retries ﬁeld Setting COM 1 and COM 2 ApplicationsSnmp Community Names Screen To set the Retry Interval ﬁeld Snmp Community Names Screen Community Name Access PolicySnmp Traps Screen Editing the Community Name ﬁeld Trap Destination Enable TrapsSetting Snmp Traps Trap Community Name Ring Security Screen Ring Security Screen Station Address Security ModeStn Edit Previousscreen SAVE/EXECUTENextscreen Return Adding Stations to the Station Address Allowed List Viewing the Revised Allowed ListDeleting Stations from the Station Address Allowed List Device Statistics Screen Device Statistics Using the Accumulative Counter Mode Selecting the Device Statistics Counter ModeSetting the Refresh Field Errors Received Isolating Errors AC Errors Ring Information NON-ISOLATING Errors Lost Frame Errors Frame Copied Errors Chassis Status View Screen Mode Next Using the Operational Mode Screen 10. Chassis Status View Operational Screen To display the status of ports Using the Administrative Mode Screen To enable and disable select ports To bypass all ports on a module To enable all ports for all modulesUsing the Ring OUT Enable Mode Screen To reconnect a module to the token ring To switch to and from STN and RO Component Status Screen MIB Navigator Screen 13. Component Status View Screen To get help on speciﬁc commands To access a list of MIB commandsTo escape from the MIB Navigator screen MIB Commands Navigational commandsNavigation Built-In Special Built-In commands Set Flash Download Screen To download a Flash image Download Method ﬁeld To chose the Runtime method To choose the Bootprom method Toggle from Runtime to Bootprom using the spacebar Using Lanview LEDs Lanview Leds Using the LCD Display LCD Display Static System Messages Static System MessagesDisplayed Message Signiﬁcance Alarm Messages Alarm MessagesDisplayed Signiﬁcance Messages Unsaved Failure or Error Messages Unsaved Initialization Messages Saved System Messages Saved System MessagesNormal Unsaved Initialization Messages Displayed Message Viewing Power UP Diagnostic Tests Responding to Error Messages To execute a response option To return to Local Management Power Supply Cord