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METRObility Optical Systems CenturyStack 8112-01-M, Installation And User Manual

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METRObility Optical Systems CenturyStack 8112-01-M Installation And User Manual Download Page 79

Master Hub Configuration & Console Management      79

Out-of-Band Management Control
You can enable or disable Out-of-Band management.

•

When connecting with local console, this setting takes effect
immediately.

•

When connecting with Telnet, the system must be restarted
before the setting takes effect.

Web-Based Management Configuration

Summary of Contents for CenturyStack 8112-01-M

Page 1: ...itch Link RX 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ID 10M MDI II 10 100 Mbps Dual Speed Ethernet Hub MDI II 1x 2x 3x 4x 5x 6x 9x 8x 7x 10x 11x 12x Switch Module Installed Cent...

Page 2: ...electric electronic electromagnetic mechanical chemical optical or otherwise without prior explicit written permission of METRObility Optical Systems Inc Lancast and CenturyStack are registered tradem...

Page 3: ...13 Master Units 15 Rear Panel Overview 16 Installation 17 Choosing a Location 17 Stacking 17 Rack Mounting 17 Using Cascade Cables 18 Constructing a Management Stack 18 Position Within the Stack 18 Ma...

Page 4: ...3 X 34 Managing Through the Mini Console 37 Mini Console Overview 37 Features 37 VFD Display 38 Observing Basic Port Information 38 Port Indicator Definition 39 Console Keys 39 Menu Tree 40 Observing...

Page 5: ...ormation Menu 60 Master Hub Configuration Console Management 61 Connecting the Console Interface 61 Menu Convention 62 Using the Console Program 64 Logging In 64 Main Menu 65 Monitoring System Informa...

Page 6: ...dress Search Information 107 Broadcast Storm Protection 109 Broadcast Storm Detected 111 User Authentication 112 System Utility 114 System Download 115 System Restart 116 Factory Reset 118 Login Timeo...

Page 7: ...d managed slaves with 12 or 24 ports The features and functions of the CenturyStack 8100 Managed Series makes it a powerful cost effective solution for large campus networks and rapid growth companies...

Page 8: ...speed auto sensing ports 2 MDI II ports and a switch module expansion slot The 8124 01 S can be fully managed by any master hub model MDI II MDI II 1x 2x 3x 4x 5x 6x 9x 8x 7x 10x 11x 12x 13x 14x 15x...

Page 9: ...ing expansion modules see below The lower slot accepts switch expansion modules See Chapter 2 Using Expansion Modules for more information The upper slot is for the Network Management Unit NMU only Ex...

Page 10: ...active Monitoring The monitor can notify the manage ment station of failure and can store historical statistical information about the failure The management station can play this historical informati...

Page 11: ...ich port it was seen This capability can be used to collect the necessary information for mapping the topology of a network Up to 8 MAC addresses can be searched simultaneously You can configure addre...

Page 12: ...01 S 12 Ports Front Panel 8124 01 S 24 Ports MDI II MDI II 1x 2x 3x 4x 5x 6x 9x 8x 7x 10x 11x 12x 13x 14x 15x 16x 17x 18x 21x 20x 19x 22x 23x 24x 10 100 Mbps Dual Speed Ethernet Hub Switch Module Inst...

Page 13: ...12 ID 10M LED Indicators 24 Port Power The Power LED is on when the power cable is plugged into the hub and a wall socket Link Rx The Link Rx LED is on for each connected port and blinks for ports re...

Page 14: ...eived by 10Mbps segment through the internal switch 10M On Off On A 100Mbps transmission being received by 10Mbps segment through the external switch 100M On On On A 10Mbps transmission being received...

Page 15: ...ports and 2 MDI II ports The front panel for model 8124 01 M supports the Mini Console switch module installed LED 24 10 100 ports and 2 MDI II ports The switch module installed LED is on if a switch...

Page 16: ...ee Chapter 3 Managing Through the Mini Console Mini Console Rear Panel Overview The rear panel of each hub in the CenturyStack 8100 Series supports 2 expansion slots two cascade ports and an AC power...

Page 17: ...up a stack The master can be positioned anywhere in the stack so you can add to a stack without re positioning the hubs Rack Mounting Rack mounting brackets are included to mount hubs in a standard EI...

Page 18: ...k The master hub can be positioned anywhere in a stack and automatically assigns the ID of each hub according to its position in the stack Master Hub Role The master is used to manage and configure ot...

Page 19: ...g Hubs CenturyStack hubs can isolate one or both segments 10 Mbps and 100 Mbps segments from the other hubs in a stack When a segment is isolated it does not repeat to the other segments in the hub or...

Page 20: ...he workstation to a CenturyStack port Connecting Ethernet Hubs or Devices Connect 10Mbps devices using UTP STP Cat 3 4 or 5 cables with RJ 45 connectors enabling sending receiving to or from other 10M...

Page 21: ...ber cable Connecting Fast Ethernet Hubs Connecting the Other Dual Speed Hubs Other dual speed hubs can be connected to the ports of the CenturyStack Hubs Each port can auto sense the connected port sp...

Page 22: ...22 CenturyStack 8100 Managed Hub...

Page 23: ...default The Admin State of a bridge module must be configured using Console or Web Based Management after installation Internal Bridge Function The Internal Bridge Function is used for bridging 10Mbps...

Page 24: ...alled and before the bridging functions take effect Please read this section carefully before installing modules IMPORTANT These modules are not hot swappable You must remove power from the hub before...

Page 25: ...ugh the guides as shown below AC LINE 100 240VAC 50 60Hz 1 5A MAX Stackable Up NMU Switch Transceiver Down Insert the Module 5 Turn the two knobs on the new bridge module until they are securely attac...

Page 26: ...nformation on Bridge Module configuration refer to Chapter 4 Console Management Controlling Devices TX Module LED Indicators The LEDs on each module indicate port activity All LEDs are green Link On i...

Page 27: ...On indicates a transmission in progress RX On indicates receiving data FDX On indicates the port is set to full duplex Off indicates the port is set to half duplex Collision On indicates collision occ...

Page 28: ...tion The default settings are as follows Bridge Function setting Internal Default Backpressure setting Disabled Default Module 8102 01 X Bridge Jumpers The default jumper setting of the 8102 01 X modu...

Page 29: ...xpansion Modules 29 Jumpers Module 8102 01 X 1 JP18 2 3 1 JP16 2 3 JP15 JP14 JP13 JP12 JP11 JP10 JP9 JP8 JP7 JP6 JP5 JP4 JP3 JP2 JP1 JP18 Backpressure 2 3 EXT SW 1 2 INT SW JP1 I JP16 Disable Enable 1...

Page 30: ...ation The default settings are as follows Bridge Function setting Internal and External enabled Default Backpressure setting Disabled Default Module 8103 01 X Bridge Jumpers The default jumper setting...

Page 31: ...Using Expansion Modules 31 Jumpers Module 8103 01 X 3 2 1 3 2 1 JP7 JP6 JP5 JP4 JP2 JP1 2 3 JP4 JP6 Int Sw Enable 1 2 Int Sw Disable JP2 2 3 JP7 Backpressure 1 2 Backpressure dis JP1...

Page 32: ...Disabled Default Module 8102 03 X Bridge Jumpers The default jumper setting of the Module 8102 03 X is internal bridge disabled To enable the internal bridge and disable the external bridge change the...

Page 33: ...s 33 Jumpers Module 8102 03 X 3 JP19 2 1 3 JP1 2 1 3 JP17 2 1 JP16 JP15 JP14 JP13 JP12 JP11 JP10 JP9 JP8 JP7 JP6 JP5 JP4 JP3 JP2 JP1 JP19 Backpressure 2 3 EXT SW 1 2 INT SW JP2 I JP17 Disable Enable 1...

Page 34: ...s internal bridge disabled The external distance extender is always enabled To enable the internal bridge change the jumpers JP3 JP5 JP7 from 1 2 to 2 3 Jumper JP1 Duplex Jumper JP1 1 2 half duplex 2...

Page 35: ...Expansion Modules 35 Jumpers Module 8103 03 X 3 JP1 2 1 1 2 3 3 2 1 JP8 JP7 JP6 JP5 JP3 JP2 JP1 Backpressure Backpressure dis 2 3 Int Sw Enable 1 2 Int Sw Disable JP3 JP5 7 JP2 JP8 2 3 1 2 HDX FDX 1...

Page 36: ...36 CenturyStack 8100 Managed Hub...

Page 37: ...sole The Mini Console is only available for the CenturyStack master units Features High definition display panel text and graphics Message Zone Gauge Bars Indicators Port Indicators Port Frame Indicat...

Page 38: ...tilization port status and serves as an indicator for groups or ports Lock Icon Indicates that the control panel configuration is locked G A Port group indicator displays status of ports 1 to 12 G B P...

Page 39: ...the administrator has disabled the port Normal ON The Link is down and the administrator has disabled the port Flashing OFF Link is up and receiving data Normal BLINKING The port is partitioned by the...

Page 40: ...he item indicating it is the current default Menu Tree The menu tree consists of these seven main level menus Utilization Group Select Statistics Port Status Port Configuration Unit Configuration Syst...

Page 41: ...CKED PSW ALL PORT ENABLED PORT 1 PORT N DISABLED AUTO NEGO 10BASE T 100BASE X UNIT CONFIG CONSOLE LOCK LOCK NETWORK CONFIG IP ADDRESS SUBNET MASK DEF GATEWAY SET PASSWORD SYS RESTART CONTINUE CANCEL S...

Page 42: ...l utilization in the 10Mbps segment and the total utilization in the 100Mbps segment at the time the statistics were taken by the hub The total utilization history represented by the seven columns in...

Page 43: ...until GROUP SELECT displays in the Message Zone 2 Press Enter Several bars under the Port number indicate the current group as shown below Group Select 3 Press Next until the group number you wish to...

Page 44: ...ng FCS octets but excluding framing bits and were otherwise well formed SHORT EVENTS The total number of packets received that were less than 64 octets including FCS octets but excluding framing bits...

Page 45: ...Zone Statistics 2 Press Enter to go to the port selection menu and select a port for viewing In the port selection menu six units of the gauge bars below the port number indicate the current port The...

Page 46: ...as shown below ID Master WWW SNMP O O B 10 20 40 1 3 5 80 K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 G A G B G C G D Readable Form 5 Press Next to scroll through each type of counter 6 Press Enter to view...

Page 47: ...e group cursor under the port ID indicator as shown below Port Status 2 Press Enter ALL PORTS displays in the Message Zone When monitoring all ports the gauge bar columns are divided into 24 one for e...

Page 48: ...SNMP O O B 10 20 40 1 3 5 80 K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 G A G B G C G D 100Mbps Ports 5 Press Next to view other port status information The status information that is available is listed i...

Page 49: ...age Zone 2 Press Enter to go to the port selection menu ALL PORTS displays in the Message Zone 3 Press Next to select an individual port PORT 1 displays in the Message Zone After a slight delay the st...

Page 50: ...wn below Port Configuration Configuring ALLPORTS 1 With PORT CONFIG displayed in the Message Zone press Enter to go to the port selection menu All PORTS displays in the Message Zone 2 Press Enter The...

Page 51: ...enu 2 Press Next to select an individual port 3 Press Enter The configuration of the selected port displays in the Message Zone Six gauge bars below the port number indicate the current port 3 gauge b...

Page 52: ...a setting press and hold down Enter until an appears before the desired setting the is removed from the previous setting Port Setting Default Optional Settings AUTO NEGO 10BASE T 100BASE X ENABLE Dis...

Page 53: ...Unit Configuration Options Console Lock Lock Network Config IP Address Subnet Mask and Default Gateway Set Password Set new password System Restart Restart hub System Default Reset hub to factory con...

Page 54: ...40 1 3 5 80 K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 G A G B G C G D Locked State UnlockingtheMiniConsole Once unlocked a password is not required to make configuration settings with the Mini Console The...

Page 55: ...connections to the hub Network Configuration Configuration Default IP ADDRESS 000 000 000 000 SUBNET MASK 000 000 000 000 DEFAULT GATEWAY 000 000 000 000 IPAddressConfiguration 1 Select UNIT CONFIG a...

Page 56: ...digits will shift to the left to make room for the last digits When setting the IP address is complete the system will validate the IP address If the IP address is valid the display will show the IP a...

Page 57: ...CONFIG and press Enter 3 Scroll to BAUD RATE and press Enter 4 Press Next until the baud rate that you want to set displays in the message zone 5 Press Enter to set the new baud rate An appears befor...

Page 58: ...ocked 4 Scroll to SET PASSWORD and press Enter 5 Enter a new password and press Enter to exit the password configuration SET PASSWORD displays in the message zone 6 Press Next until MAIN MENU displays...

Page 59: ...ations are selected from the SYS DEFAULT menu a sub menu of the Main Menu item UNIT CONFIG The factory defaults are the settings that were set at the factory before shipping the hub Restore the defaul...

Page 60: ...evice software version and the network configuration settings IP Address Subnet Mask and Default Gateway System Information The following system information is cycled through in the Mini Console Syste...

Page 61: ...e following 1 Install a terminal emulation application such as Windows Hyperterminal on your PC 2 Configure the terminal emulation application as follows Baud rate 9600 Parity None Data bits 8 Stop bi...

Page 62: ...of fields and commands of console management menus and their usage Menu Conventions CenturyStack System Download Menu x Bootp Request Illegal File Name Unknown xyz Save Exit To Main Menu Help File Do...

Page 63: ...nd the procedure associated with this field will be performed Toggle Input Item Use the space bar to toggle between options that are enclosed in angle brackets Text Input Item Text fields appear betwe...

Page 64: ...s Enter one or more times to bring up the login menu The login menu appears similar to the illustration below Logging In When logging in for the first time enter the User Name LANCAST password and pre...

Page 65: ...item highlighted as below Main Menu The Main Menu has six major selectable items System Information Management Setup Device Control Network Management User Authentication and System Utility System In...

Page 66: ...mation about the system You can view the system software and hardware information and config ure the system configurations as shown below System Information You can specify up to 48 alphanumeric chara...

Page 67: ...easy and unambiguous means for determining what kind of device is being managed System Up T ime The time since the network management portion of the system was last restarted or powered on System Cont...

Page 68: ...tion Allows you to configure the IP Address Subnet Mask Default Gateway and SLIP Address Serial Port Configuration Allows you to configure the serial port connections SNMPCommunitySetup Configure comm...

Page 69: ...etwork Configuration Menu allows setting up Ethernet and SLIP connections to the hub Network Interface 1 is used to configure Ethernet connections and Network Interface 2 is used to configure SLIP con...

Page 70: ...re the IP address subnet mask and default gateway can take effect To ensure that the new information is correct a ping should be done from another device connected to the CenturyStack NOTE The hub doe...

Page 71: ...t configurable Baud Rate The current serial port baud rate that can be configured from the Serial Port Configuration Menu CharacterSize 8 bits character size Parity None StopBits 1stopbit IPAddress Th...

Page 72: ...the Console Mode settings select Console Mode in the Serial Port Configurations Console Mode settings are read only Use the settings as shown below Console Operation Mode Out of BandMode Out of Band...

Page 73: ...s effect if Out of Band management is enabled When SLIP is enabled the EIA 232 port can be used for SLIP only The EIA 232 port cannot be used to gain access to a management session via VT100 terminal...

Page 74: ...status Community names are case sensitive Private and private are considered different You cannot enter the same name more than once an error message appears at the bottom of the panel Press the Esc k...

Page 75: ...enu 2 2 Enter a name in the Input field 3 Set the access right and status 4 Highlight ADD and press Enter the new name is entered and displayed Toeditacommunityname 1 Enter an existing name in the Inp...

Page 76: ...rposes You can set up six trap receivers You can configure the following Community Name The authorized SNMPcommunity string of the remote network manager maximum 16 characters IPAddress The IPAddress...

Page 77: ...onfiguration menu for the selected index as shown below Configuring a Community Name The Community Name can be edited the IP Address can be configured and the Status can be set to Active or Inactive C...

Page 78: ...Use the space bar to toggle between settings Select Save and press Enter to save the setting Management Capability Setup Menu This menu lets you enable or disable Web Based Management and Out of Band...

Page 79: ...agementControl You can enable or disable Out of Band management When connecting with local console this setting takes effect immediately When connecting with Telnet the system must be restarted before...

Page 80: ...nts the Trap Filter Menu as shown below Trap Filter Menu This menu lets you enable or disable trap filters for those traps defined by RFC1215 and RFC1516 Marking a trap filter disables the trap and no...

Page 81: ...re all the hubs in a stack RepeaterPortControl Status Allowsyoutoreadand configure ports on any hub in a stack 2 3 PortBridgeModuleControl Status Allowsyoutosetup any Bridge Switch Modules such as Mod...

Page 82: ...Control Status Group Number The ID number of a hub in the stack the range is 1 6 GroupStatus Port Capacity The maximum number of ports that can be contained within the group 12 24 Repeater T ype The r...

Page 83: ...the configurable functions and provides option fields Use Ctrl S to toggle between options Group Admin State Allows you to isolate one or both segments from the other hubs in a CenturyStack When a seg...

Page 84: ...will reset the link status of each port to Link Down That will cause a Link Status Change event to be raised ResetCountersOnly The counters of each port will be reset to 0 but the function logic will...

Page 85: ...Repeater Port Control Status The Repeater Port Control Status menu provides information about the hub s port status A hub can be selected with the PREV GROUP and NEXT GROUP commands and its ports sele...

Page 86: ...not partitioned AutoPartitioned The port is partitioned Speed This is the current speed of this port The default is Auto Negotiate Auto Negotiate The port speed is automatically negotiated to the fas...

Page 87: ...ed to half duplex Force 10 TP The port speed is forced to 10Mbps Force 100 TP The port speed is forced to 100Mbps LinkStatusChangeNotify Enable The trap is sent Disable The trap is not sent NOTE Whene...

Page 88: ...the external port for a given module TPportwithRJ 45interface Multi modewithSCtypeinterface External Port Link Status The current link status of the installed module Read only LinkUp LinkDown External...

Page 89: ...or the internal bridge to function NOTE The internal bridge must be enabled in hardware with the Jumper switch settings before the Admin state can be enabled Refer to Chatper 2 Using Expansion Modules...

Page 90: ...nt that the primary link fails the secondary link becomes active The secondary link stays active even if the primary link recovers You must manually reset the primary link status to active in order to...

Page 91: ...or more than five seconds then the active link failure is detected and port switch over is performed and a trap is sent to the trap receivers Enable A trap is sent to the trap receivers if a switch ov...

Page 92: ...status of the redundant link is enable If the status is suspend then the link pair is reactivated but no trap is sent ConfiguringLinkPairs 1 Select a Link Pair 1 24 Use NEXT PAGE to select pairs 13 t...

Page 93: ...ing the Link Pair number of an existing Link Pair and reconfiguring the rest of the columns then select Save the Link Pair is updated to the new settings DeletingaLinkPair You can delete a Link Pair b...

Page 94: ...bles you to set up secure ports that allow access by a single authorized MAC address Group Number The hub ID number that is assigned to the CenturyStack hub 1 6 Port Number The port number of the hub...

Page 95: ...ice that is allowed to connect with this particular port Intrusion Action This is the action that is performed when the hub detects an intrusion of an unauthorized MAC address No Action No action will...

Page 96: ...octets for both 10Mbps segment and 100Mbps segment RepeaterGroupStatisticsInformation Displaysthestatistic counters for each hub RepeaterPortStatisticsInformation Displaysthestatistic counters for a s...

Page 97: ...to detect if broadcast storming exists in the network BroadcastStormDetected Eachhubportoroptionalmodule port which causes the broadcast storm displays Repeater Statistics Information Selecting this o...

Page 98: ...isions The number of transmission collisions that have occurred in this hub Total Frames The number of frames received in this hub Total Errors Total errors received by the port including FCS errors A...

Page 99: ...roup Number Counters are displayed in Absolute or Relative values by toggling the display mode Absolute values represent the value collected since system start You cannot clear absolute counters using...

Page 100: ...hub and not including FCS Error and Collision Event Total Octets The total number of octets contained in the valid frames that have been received on the ports of this hub Tx Collisions The total numbe...

Page 101: ...in Absolute and Relative values Absolute Repeater Port Statistics Information Menu Absolute The Repeater Port Statistics Information Menu displays counter informa tion for the current port of the cur...

Page 102: ...6 Port Number Port number of selected group 1 to 12 24 Display Mode Display counters inAbsolute or Relative values Readable Frames Total readable frames received by the port BroadcastPackets The tota...

Page 103: ...were less than 64 octets due to collisions or activity duration that was greater than the ShortEventMaxTime event and less than the ValidPacketMinTime event Collisions Total collisions Late Events To...

Page 104: ...automatically recovers SymbolErrors 100Mbpsonly Totalsymbolerrorsfor 100Mbps transmissions This counter is incremented by one for each valid length packet received at the port with at least one occur...

Page 105: ...racking Menu Source AddressChanges Thiscounterisincrementedbyone for each time that the Last Source Address for this port changes This may indicate whether a link is connected to a single device or an...

Page 106: ...ample in the tracking list contains the value that is given by the Last Source Address for this port This list can contain 15 entries The list does not age out the first entries are deleted to accommo...

Page 107: ...nd report on which port it was seen This capability can also be used to collect the necessary information for mapping the topology of a network Up to 8 MAC addresses can be searched simultaneously Add...

Page 108: ...obtained ownership of the entry and the value of Address Search Lock is incremented to 1 Failure of the set operation indicates that some other manager has obtained ownership of the entry AddressSearc...

Page 109: ...condition still exists The partitioned hub port is auto recovered to normal operation once the broadcast storm condition is released Broadcast Storm Protection Menu You can configure the broadcast th...

Page 110: ...isabled Once a port is partitioned due to broadcast storm the Broadcast Storm protection function will continue to monitor the port based on the following rule a The port is disabled for 15 seconds en...

Page 111: ...is menu displays a list of ports with a detected Broadcast Storm Broadcast Storm Detected Menu Each broadcast storm is detected and the hub and port number are listed in this menu If there have been n...

Page 112: ...ntication Menu To define each user authentication select an index number and press Enter Use the ADD command to add a name A user name and password can be deleted using the DELETE command Select the E...

Page 113: ...113 User Authentication Menu editable User Authentication Menu updated Select the index number first and press Enter Enter a user name of up to 12 characters and a password of up to 6 characters speci...

Page 114: ...ware that has become corrupted System Restart The system can be restarted at any time and is required after certain configuration settings are made Factory Reset The system can be reset to the origina...

Page 115: ...quest select the appropriate download function enter the filename with the full path save the configuration and finally restart the device from the System Restart Menu System Download Menu This menu l...

Page 116: ...onvention Boot ROM Code download 110Vxxx BT Web Pages Database Information Download 110Vxxx WEB System Software Download 110Vxxx RT where xxx is the version number To download TFTP code perform the fo...

Page 117: ...ssage informs the user that system restart is going to be performed right now Warm A warm restart restarts the hub at the runtime code For most cases a warm restart is sufficient except in the case of...

Page 118: ...Factory Reset Menu lets you return all Hub settings to the original default settings When you issue a factory reset all of your custom settings are overwritten To perform the factory reset do the fol...

Page 119: ...factory defaults 3 Select Execute and press Enter When Execute and Enter are selected a warning message informs the user that system configuration data will be reset Login Timeout Interval Login Timeo...

Page 120: ...system settings Configuration Upload Setting Menu Enter the TFTP Server IP Address and the chosen file name for example filename CFG and the path where the files will be uploaded on the server Select...

Page 121: ...view the status of a download Select Submit to make the Upload Request TFTPServer IP Address The IPaddress of the server where the configuration files will be uploaded Configuration File Name The name...

Page 122: ...e disk specified Configuration Filename field is full Timeout The TFTP upload timeouts expired at 20 seconds A progress bar displays in the menu showing the progress Other Other errors that are define...

Page 123: ...stics at a glance Slave Rich diagnostic LEDs indicate Link Rx per port Forwarding indicator for both 10 100Mbps segments Collision indicator for both 10 100Mbps segments 10 100Mbps indicators with int...

Page 124: ...rusion control per port security 24 pairs of redundant link Broadcast storm protection BOOTP TFTP software download supported Console Telnet Management VT 100 terminal interface supported Local consol...

Page 125: ...1 M 8124 01 M 12 24 ports auto sensing 10 100Mbps Master Hub with Local console Remote Telnet management SNMP Web Based Management Mini Console Management 8112 01 S 8124 01 S 12 24 ports auto sensing...

Page 126: ...against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordanc...

Page 127: ...rials and does not cover damage from accident disaster misuse abuse or unauthorized modifications Under no circumstances will METRObility be liable for any damages incurred by the use of this product...

Page 128: ...128 CenturyStack 8100 Managed Hub...

Page 129: ...19200 38400 ALL PORTS PORT 1 PORT N READABLE FRM READABLE OCT FCS ERRORS ALIGN ERRORS FRM TOO LONG SHORT EVENTS RUNTS COLLISIONS LATE EVENTS VERY LONG EN RATE MISMATCH AUTO PART TOTAL ERRORS PORT 1 PO...

Page 130: ...e internal function is enabled with the on board jumpers 10Mbps and 100Mbps segments cannot communicate The internal switch must be enabled using local console management through connections from the...

Page 131: ...ape menu bar select Edit select Preferences from the drop down list click the sign beside Advanced and then select Clear Memory Cache Q I do not see the graphic of the unit when I use Internet Explore...

Page 132: ...25 Manchester Street Merrimack NH 03054 USA tel 603 880 1833 fax 603 594 2887 www metrobility com 5660 810000 001 C 8 01...

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