Intel® NetStructure™ ZT 8101 10/100 Ethernet Switch
User’s Manual
February 2003
Order Number: 273869-002
Page 1: ...Intel NetStructure ZT 8101 10 100 Ethernet Switch User s Manual February 2003 Order Number 273869 002...
Page 2: ...rized errata are available on request This document and the software described in it are furnished under license and may only be used or copied in accordance with the terms of the license The informat...
Page 3: ...nents 16 Status LEDs 17 Health Status LED 18 Hot Swap LED 18 Port LEDs 18 Link Activity LED Mode 18 Link Speed LED Mode 19 Getting Started with Management 19 Accessing the Local Console 19 To log in t...
Page 4: ...d VLANs 37 Multi Netting 38 IP Path MTU Discovery 38 IP Interfaces 38 System IP Interface 38 Additional IP Interfaces 39 IP Addressing Scheme 39 Multicasting 40 GMRP 40 Internet Group Management Proto...
Page 5: ...agent 59 DNS Relay 60 To configure DNS Relay services 60 Network Monitoring 61 Port Statistics 61 To view port utilization 61 To view port error statistics 62 To view an analysis of packet sizes and...
Page 6: ...f an 802 1Q VLAN 80 Link Aggregation 80 To configure a link aggregation group 80 To configure link aggregation load sharing 81 Layer 3 IP Networking 82 Setting Up IP Interfaces 82 To set up IP Interfa...
Page 7: ...configure the static BOOTP relay setup 103 DNS Relay 103 To configure DNS Relay 104 To configure the static DNS table 104 Network Monitoring 104 Port Statistics 105 To view port utilization 105 To vi...
Page 8: ...up IP interfaces on the switch 126 RIP Configuration 126 To globally enable or disable RIP 126 To configure RIP interface settings 126 Multicast Global Configurations 127 To configure globally the mu...
Page 9: ...Building the Cable 140 Tables SNMP Trap Events 25 Figures 1 Injector Ejector Operations 15 2 Front Panel 17 3 Main Menu 49 4 Web Console 92 5 Serial Cable Diagram 140 Revision History Date Revision D...
Page 10: ...10 Contents...
Page 11: ...it has sophisticated multicast protocols to limit unnecessary traffic It provides an in chassis switch fabric that you can configure to operate in a redundant configuration Highlights Full wire speed...
Page 12: ...up Multicast Registration Protocol IEEE 802 1p priority support with 4 priority queues IGMP Snooping Layer 3 Switching Functions Wire speed IP forwarding rate per system Hardware based Layer 3 IP swit...
Page 13: ...dge MIB RMON MIB Statistics History Alarm Event RIP MIB CIDR MIB 802 1p MIB RFC 1157 SNMP v1 v2c RFC 1516 Repeater MIB RFC 1643 Ethernet MIB RFC 2737 Entity MIB RFC 2239 IEEE 802 3 MAU MIB TFTP IP fil...
Page 14: ...Management IEEE 802 1D Spanning Tree IEEE 802 1Q Tagged VLAN MIB MIB II Bridge MIB RIP MIB CIDR MIB 802 1p MIB RFC 1157 RFC 1516 Repeater MIB RFC 1643 Ethernet MIB RFC 2737 Entity MIB RFC 2239 IEEE 8...
Page 15: ...rd with the left and right card guides in the appropriate slot It may be helpful to look into the enclosure to verify correct alignment of the rails in the guides 4 Taking care to keep the board align...
Page 16: ...bout to be removed by partially unlatching the ejectors on the board to be removed Do not fully open the ejectors as this levers the board out of the enclosure and prematurely breaks its backplane con...
Page 17: ...s Manual 17 Installation and Initial Setup Status LEDs The two LEDs at the bottom of the font panel are status LEDs The top LED indicates the overall status of the board and the bottom LED indicates...
Page 18: ...functioning normally Amber Attention needed due to one of the following conditions Over temperature Power supplies exceeding voltage limits IPMB time outs Status Meaning Off Switch is active or in th...
Page 19: ...he Local Console Configure the switch s IP address Once you complete these tasks you can access the switch from any of the three locations Since the Local Console and the Telnet Console use the same i...
Page 20: ...thing press CTRL R to refresh the screen To log in to the switch the first time The usernames and passwords used to access the switch are case sensitive therefore S is not the same as s When you first...
Page 21: ...e you must use Zmodem to fix the problem To upgrade the firmware using Zmodem 1 Obtain the runtime firmware 2 Using Windows HyperTerminal log in to the switch through the serial port 3 From the Main M...
Page 22: ...L C you can configure the baud rate to a different value 5 Change HyperTerminal s baud rate to 115200 6 Use the Send File function of HyperTerminal to upgrade the firmware When the download is complet...
Page 23: ...time Web The switch s embedded Web server allows users from remote systems which are running a Web browser to log in to the switch configure it and view the status of and statistics from the ports Th...
Page 24: ...anage the switch If you list IP addresses only those workstations have access all others will be denied You can also configure a VLAN for the network that the management stations are on and then confi...
Page 25: ...ng through its ports A computer attached to the network called a management station can access this information The switch uses the following features to control access to its information Community st...
Page 26: ...C or IP address and the Ethernet port or gateway router the destination resides on This information is used to forward packets This reduces the traffic congestion on the network because packets instea...
Page 27: ...dcast the packet to all ports negating many of the benefits of having a switch Static forwarding entries are not affected by the aging time The switch has 8 KB for MAC address caching which allows the...
Page 28: ...ntries have higher precedence than dynamic entries Therefore a static entry will not be overwritten by a dynamic entry The aging time for dynamic entries is 20 minutes This value is not configurable T...
Page 29: ...lgorithm With this algorithm any frames residing in a higher priority queue are always transmitted first Only when these queues are empty are frames in lower priority queues transmitted It is importan...
Page 30: ...twork The switch does some filtering automatically Dynamic filtering The switch automatically learns and ages MAC addresses and their location on the network Filtering occurs to keep local traffic con...
Page 31: ...lost Spanning Tree Protocol The IEEE 802 1D Spanning Tree Protocol allows for the blocking of links between switches that form loops within the network When multiple links between switches are detecte...
Page 32: ...e following are the user configurable STP parameters for the switch level Use the following formulas when setting these parameters Max Age 2 x Forward Delay 1 second Max Age 2 x Hello Time 1 second Pa...
Page 33: ...rol Protocol LACP which automatically detects the presence of other link aggregation devices in the network and lets them exchange data to configure and maintain link aggregation groups The switch als...
Page 34: ...data stream to arrive in the same order they were sent The configuration of the lowest numbered port in the group becomes the configuration for all of the ports in the aggregation group This port is c...
Page 35: ...s membership in an 802 1Q VLAN is determined by a tag that is inserted in the packet header by the switch or an end node indicating the VLAN number that the packet belongs to Untagged packets are tre...
Page 36: ...der remains unchanged When a tagged packet exits the port the tag is stripped and the packet is changed to an untagged packet If the port is attached to a device that is not IEEE 802 1Q VLAN compliant...
Page 37: ...tagged with VLAN information the ingress port tags the packet with its own PVID as a VID if the port is a tagging port It then uses the following rules to determine whether to forward the packet If t...
Page 38: ...re tagged VLANs to span the same physical ports and then assign each VLAN a different IP address The VLANs must include tagged ports because untagged ports can only belong to one VLAN IP Path MTU Disc...
Page 39: ...case six IP interfaces or six subnets are required so a CIDR notation of 10 32 0 0 11 or a 11 bit addressing scheme will work This addressing scheme will give a subnet mask of 11111111 11100000 000000...
Page 40: ...devices The following table lists some of the permanently assigned multicast addresses GMRP GMRP Group Multicast Registration Protocol allows ports to dynamically join multicast groups Address Descrip...
Page 41: ...or each LAN explicit leave messages for faster pruning and group specific query messages IGMP Queriers An IGMP querier sends IGMP Query packets periodically to help to maintain the multicast group inf...
Page 42: ...nd VLAN flag is on Thus when you enable IGMP globally it is enabled on all VLANs You can configure the switch to snoop and to keep track of IGMP groups These two interact in the following ways If the...
Page 43: ...Independent Multicast Dense Mode PIM DM The Protocol Independent Multicast Dense Mode PIM DM protocol should be used in networks with a low delay low latency and high bandwidth because PIM DM is optim...
Page 44: ...44 Intel NetStructure ZT 8101 10 100 Ethernet Switch User s Manual Switch Management and Operating Concepts...
Page 45: ...hould include a General Deployment Strategy VLAN Layout IP Addressing Scheme for VLANs Static Route Assessment General Deployment Strategy Determine how to segment the network This involves creating V...
Page 46: ...rces For example a Layer 3 VLAN consisting of four ports could be connected to four switches If these switches each have 24 ports then the Layer 3 VLAN would contain 96 4 x 24 end nodes Assigning an I...
Page 47: ...he switch s front panel serial port and to a VT100 compatible terminal or to a computer running an ordinary terminal emulator program for example the terminal program included with the Windows operati...
Page 48: ...ore S is not the same as s The factory default IP address for the switch is 10 90 90 90 1 From a computer attached to the same network as the switch open a command window 2 In a command window enter T...
Page 49: ...heir passwords and modify their access rights Network Management Set up SNMP traps and community strings Switch Utilities View the history log ping other devices and manage firmware and configuration...
Page 50: ...one of which must be an Admin level account The other five accounts can be any combination of Admin level and User level accounts To create a new user account 1 From the Main Menu select User Account...
Page 51: ...your access level or privilege Saving Changes The ZT 8101 switch has two levels of memory normal RAM and non volatile or NV RAM Configuration changes are made effective by highlighting APPLY and pres...
Page 52: ...iguration Reboot Saves the current configuration to NV RAM identical to using Save Changes and then restarts the switch Reboot Load Factory Default Configuration Restarts the switch using the default...
Page 53: ...lity Hardware Version Specifies the hardware version of the switch Device S N Specifies the serial number of the switch Name Specifies the name assigned to the switch If you are installing multiple sw...
Page 54: ...between 0 255 This option requires entries in these fields IP Address This address should be a unique address on the network assigned to the switch by the network administrator Subnet Mask This is a...
Page 55: ...rk Management SNMP Configurations Trap Recipients Setup and press Enter 2 Configure these fields Field Description Community String Specifies a string of up to 20 characters used for authentication of...
Page 56: ...nd of a unit of transmission are displayed but are not configurable Note Auto logout is not configurable for the Telnet and Web Console The switch automatically logs the user out of these interfaces w...
Page 57: ...o access these utilities from the Main Menu select Switch Utilities and press Enter Field Description State Enables or disables the currently selected ports Speed Duplex Specifies the speed and full o...
Page 58: ...rmware you must use Zmodem to fix the problem See Upgrading Firmware through Zmodem on page 21 To download a configuration file 1 From the Main Menu select Switch Utilities Download Configuration from...
Page 59: ...you need to enable BOOTP DHCP relay If the BOOTP or DCHP server and end station are on the same IP interface no relay agent is necessary If the servers and the end stations are on different IP interfa...
Page 60: ...quests are not statically defined in the switch or previously cached the switch forwards them to the servers as defined in the following configuration The switch also forwards packets from the DNS ser...
Page 61: ...itch history router port table IP multicast forwarding table and other such tables Port Statistics To view port utilization 1 From the Main Menu select Network Monitoring Port Utilization and press En...
Page 62: ...Small The total number of frames received that were shorter than 64 octets long excluding framing bits but including FCS octets and were otherwise well formed Oversize Long The total number of frames...
Page 63: ...filter The MAC Address option allows you to enter a specific address The Port option allows you to enter a port number The VLAN option allows you to enter a VLAN name 3 Highlight BROWSE and press Ente...
Page 64: ...ht FIND and press Enter The following information is displayed in the table Column Description VID The VLAN ID of the VLAN the port is a member of VLAN Name The name of the VLAN MAC Address The MAC ad...
Page 65: ...d IGMP multicast group membership reports on a port 1 From the Main Menu select Network Monitoring Router Ports and press Enter 2 In the VLAN Name field enter the name of the VLAN to search for router...
Page 66: ...ress Enter 2 Enter the following a multicast group address a source IP address and a source subnet mask address To find all multicast groups known to the switch use 0 0 0 0 for all the addresses 3 Hig...
Page 67: ...sponded with the last report Querier IP The IP address of the member elected to be the querier for the group Expire The time when the next report is due Column Description Source Address The source IP...
Page 68: ...d The factory default settings should cover the majority of installations and most installations should keep these default settings 3 To change the factory default settings configure these fields Fiel...
Page 69: ...es for example from listening to blocking from blocking to forwarding This delay is required because every device must receive information about topology changes before it starts to forward packets In...
Page 70: ...Address Aging Time field specify the length of time a learned MAC address can remain in the forwarding table without being accessed that is how long a learned MAC Field Description View Ports Specifi...
Page 71: ...termine which ports can join the VLAN to forward the multicast packets 1 From the Main Menu select Forwarding Multicast MAC Address Settings and press Enter 2 Toggle the Action field to Add Modify and...
Page 72: ...an set a flow control threshold See the Port Configurations option on the Main Menu 1 From the Main Menu select Forwarding Advance Traffic Control and press Enter 2 Toggle the View Ports field to the...
Page 73: ...tch to drop packets from specified MAC and IP addresses For information about specifying MAC addresses to drop see the Forwarding Unicast MAC Address Setting screen To specify an IP address for filter...
Page 74: ...higher priority queue are always transmitted first Only when these queues are empty are frames in lower priority queues transmitted If priority is not assigned to a frame the default value is 0 Note...
Page 75: ...MAC Address MAC Address Specifies the MAC address to set a priority for User Priority Specifies the priority for this MAC address The levels are 0 7 with 7 being the highest priority Source Destinatio...
Page 76: ...ntly have a level of 0 The levels are 0 7 with 7 being the highest priority Priority 1 Specifies the regenerated priority for all egress frames which currently have a level of 1 The levels are 0 7 wit...
Page 77: ...GMRP GMRP Group Multicast Registration Protocol allows ports to dynamically join multicast groups It provides a mechanism that allows bridges and end stations to dynamically register and subsequently...
Page 78: ...AN cannot be deleted all member ports can be assigned to other VLANs To configure GVRP globally The global GVRP flag determines whether GVRP GARP VLAN Registration Protocol is enabled on the switch so...
Page 79: ...ype Specifies the type of VLAN Use the spacebar to toggle the type to 1Q VLAN VID Specifies an identifier for the VLAN Enter a number from 2 4094 Membership Specifies the status of the port You can en...
Page 80: ...ation is most commonly used to link a bandwidth intensive network device or devices such as a server or server farm to the backbone of a network You can configure up to six aggregation groups each usi...
Page 81: ...ces in the network and lets them exchange data to configure and maintain link aggregation groups DISABLE Disables the link aggregation group Column Description Master Specifies which member port is th...
Page 82: ...e toggled between Add Modify and Delete using the space bar This enables the addition modification of a new or existing IP interface entry or the deletion of an existing entry If you modify an existin...
Page 83: ...e RIP Configuration option To configure globally the multicast protocols 1 From the Main Menu select Layer 3 IP Networking Setup Multicast Global Configurations and press Enter Field Description Inter...
Page 84: ...sting is not connection oriented so data is delivered to the requesting hosts on a best effort level of service The switch has two configuration screens for IGMP The IGMP snooping screen allows you to...
Page 85: ...Use the spacebar to toggle between the options Robustness Variable Specifies the permitted packet loss on a link Enter a value between 2 255 The default is 2 Query Interval Specifies the time that can...
Page 86: ...ons The Protocol Independent Multicast Dense Mode PIM DM protocol should be used in networks with a low delay low latency and high bandwidth because PIM DM is optimized to guarantee delivery of multic...
Page 87: ...flooded to all ports All UDP multicast packets will be forwarded to the router port Because routers do not send IGMP reports or implement IGMP snooping a multi port router connected to the router port...
Page 88: ...Enter 4 To delete an entry toggle the Action field to Delete and enter the VLAN name of the VLAN for which the router port table entry is to be deleted Highlight APPLY and press Enter Field Descripti...
Page 89: ...ou need to carefully plan a deployment strategy that will maximize the potential of the ZT 8101 switch This plan should include a General Deployment Strategy VLAN Layout IP Addressing Scheme for VLANs...
Page 90: ...Layer 2 switches each of which is connected to multiple end nodes or network resources For example a Layer 3 VLAN consisting of four ports could be connected to four switches If these switches each h...
Page 91: ...e address bar should read something like http 123 123 123 123 where the numbers 123 represent the IP address of the switch The factory default IP address for the switch is 10 90 90 90 3 In the page th...
Page 92: ...er s Manual Using the Web Console The left panel has these options Basic Setup Switch Information Display information about the switch s hardware firmware and protocol configuration Basic Switch Setup...
Page 93: ...packets from specified IP addresses Priority Settings Configure switch traffic priority based on MAC address IP address or Port Mirroring Configurations Configure a source port to send a copy of its...
Page 94: ...efore they will take effect Restarting the switch erases all settings in RAM and reloads the stored settings from the NV RAM Thus it is necessary to save all setting changes to NV RAM before rebooting...
Page 95: ...ormation is lost To reset the switch to factory default values 1 In the left panel click Factory Reset 2 Click Yes if you want the switch to retain its current IP address or No to reset the switch s I...
Page 96: ...te this using a switch utility Hardware Version Specifies the hardware version of the switch Device S N Specifies the serial number of the switch Name Specifies the name assigned to the switch If you...
Page 97: ...in decimal form between 0 255 The fields that require entries under this option are as follows IP Address This address should be a unique address on the network assigned to the switch by the network...
Page 98: ...port s current information 3 Configure these fields 4 Click Apply Field Description Baud Rate Sets the serial bit rate that will be used for communication the next time the switch is restarted This s...
Page 99: ...h Up to three trap recipients may be entered 1 In the left panel click Network Management 2 In the top panel click SNMP Trap Recipients 3 Configure these fields 4 Click Apply Field Description Communi...
Page 100: ...erver must be running TFTP server software to perform the file transfer TFTP server software is a part of many network management software packages or can be obtained as a separate program The switch...
Page 101: ...itch or to configure another switch 1 In the left panel click Switch Utilities 2 In the top panel under TFTP Services click Upload Settings to TFTP Server 3 In the Server IP Address field enter the IP...
Page 102: ...ay agent forwards these packets between IP interfaces and therefore must know the IP addresses of the BOOTP and DHCP servers and their respective subnet names or IP interface names When the switch rec...
Page 103: ...e for a series of DNS requests Control which servers are used for DNS When the switch receives packets destined for a DNS server and the requests are not statically defined in the switch or previously...
Page 104: ...lete Network Monitoring This section explains how to monitor the following aspects of the switch Port Statistics packets errors and utilization Address Tables MAC IP Routing and ARP Status switch hist...
Page 105: ...f the total bandwidth being used by the device attached to the port Field Description Rx Frames Received packets CRC Error Alignment For 10 Mbps ports the counter records CRC errors FCS or alignment e...
Page 106: ...te Coll Late Collisions The number of times that a collision is detected after the allowable detection period Ex Coll Excessive Collisions The number of frames for which transmission failed due to exc...
Page 107: ...op panel under Tables click IP Address Table 3 In the Start IP Address field enter the IP address that you want the table to display first The default value is 0 0 0 0 which displays all IP addresses...
Page 108: ...ield Description Destination Address IP address of a learned or statically entered destination Mask The subnet mask corresponding to the above destination IP address Gateway The default or next hop ga...
Page 109: ...1 to 8 9 to 16 17 to 24 and 25 to 26 a port is assigned an S if the port is a static router port a D if the port has been dynamically assigned to be a router port or a if the port is not a router port...
Page 110: ...e IGMP table using a combination of an IP interface name and a multicast group IP address 1 In the left panel click Network Monitoring 2 In the top panel under Status click IGMP Group Table 3 In the I...
Page 111: ...uerier IP The IP address of the member elected to be the querier for the group Expire The time when the next report is due Column Description Source Address The source IP address used to retrieve this...
Page 112: ...to Enabled or Disabled 4 Configure the following fields The factory default settings should cover the majority of installations and most installations should keep these default settings Field Default...
Page 113: ...example from listening to blocking or from blocking to forwarding This delay is required because every device must receive information about topology changes before it starts to forward packets In add...
Page 114: ...orts negating many of the benefits of having a switch 1 In the left panel select Forwarding 2 In the top panel under MAC Forwarding select MAC Address Aging Time 3 In the MAC Address Aging Time field...
Page 115: ...he broadcast or multicast traffic When the traffic level drops below the threshold the switch resumes forwarding the traffic again 1 In the left panel click Forwarding 2 In the top panel under MAC For...
Page 116: ...rmation about the ports To configure static IP routes 1 In the left panel click Forwarding 2 In the top panel under IP Forwarding click Static Default Routes 3 Click New and configure these fields Fie...
Page 117: ...t MAC Address Setting screen To specify an IP address for filtering 1 In the left panel click IP Address Filtering 2 Click New and configure these fields Subnet Mask Specifies the corresponding subnet...
Page 118: ...ing in a higher priority queue are always transmitted first Only when these queues are empty are frames in lower priority queues transmitted If priority is not assigned to a frame the default value is...
Page 119: ...iority Specifies the priority for this MAC address The levels are 0 7 with 7 being the highest priority Source Destination Specifies the state under which the above priority will be active The options...
Page 120: ...ing the highest priority Priority 1 Specifies the regenerated priority for all egress frames which currently have a level of 1 The levels are 0 7 with 7 being the highest priority Priority 2 Specifies...
Page 121: ...By default all ports belong to an IEEE 802 1Q VLAN called default Although this VLAN cannot be deleted all member ports can be assigned to other VLANs To configure GVRP globally The global GVRP flag...
Page 122: ...configured The name can be up to 32 characters Once created the name cannot be modified Membership Specifies the port s membership status Select the appropriate state by selecting a radial button for...
Page 123: ...abled or Disabled 4 Click Apply To configure port GMRP settings 1 In the left panel click VLAN Configurations 2 In the top panel click Port GMRP Settings 3 Select and configure these fields 4 Click Ap...
Page 124: ...on to the configuration information the table displays which port has been assigned to be the anchor port The anchor port is responsible for the flooding of multicast frames and for sending control pa...
Page 125: ...ich member port is the master port The master port is always the lowest numbered port All member ports are configured to use its settings and become members of its VLAN Note This value will not be dis...
Page 126: ...or disable RIP 1 In the left panel click Layer 3 IP Networking 2 In the top panel under IP Interface Settings click RIP Status 3 In the RIP field select either Disabled or Enabled 4 Click Apply To con...
Page 127: ...V1 Only V1 Compatible and V2 Only Disabled prevents the transmission of RIP packets Rx Mode Specifies which version of the RIP protocol will be used to interpret received RIP packets This field toggl...
Page 128: ...Protocols click IGMP Snooping Configurations 3 Select a VLAN and click Edit 4 Configure these fields 5 Click Apply The following conditions affect the fields on the IGMP snooping screen The switch IG...
Page 129: ...Field Description Version Specifies the version number of IGMP to be used with the IP interface Select 1 or 2 Query Interval Specifies the time in seconds between the transmission of IGMP query packet...
Page 130: ...enable UDP multicast packets and IGMP multicast group membership messages to reach multiple ports of a multi port router Routers do not implement IGMP snooping or transmit forward IGMP report packets...
Page 131: ...lticast packets were all forwarded to the router port A router port will be dynamically configured when IGMP query packets RIPv2 multicast DVMRP multicast PIM DM multicast packets are detected flowing...
Page 132: ...132 Intel NetStructure ZT 8101 10 100 Ethernet Switch User s Manual Using the Web Console...
Page 133: ...37 EN IEC 60950 Safety for Information Technology Equipment CB Report Scheme CB Certificate and Report FCC Part 15 Subpart B EN 55022 CISPR 22 Bellcore GR 1089 GR 1089 CORE Sections 2 and 3 EN 55022 C...
Page 134: ...Canada Canada Cet appareil num rique respecte les limites bruits radio lectriques applicables aux appareils num riques de Classe A prescrites dans la norme sur le mat riel brouilleur Appareils Num riq...
Page 135: ...Filler panels must be installed over unused chassis slots so that airflow requirements are met Refer to the product data sheet for airflow requirements if you are installing components in custom chass...
Page 136: ...ithin 30 days from purchase This warranty does not cover the product if it is damaged in the process of being installed Intel recommends that you have the company from whom you purchased this product...
Page 137: ...aterial Authorizations are only available for products purchased within 30 days Return contact information by geography For the Americas Return Material Authorization RMA credit requests e mail addres...
Page 138: ...ies INTEL SHALL HAVE NO LIABILITY FOR ANY INDIRECT OR SPECULATIVE DAMAGES INCLUDING WITHOUT LIMITING THE FOREGOING CONSEQUENTIAL INCIDENTAL AND SPECIAL DAMAGES ARISING FROM THE USE OF OR INABILITY TO...
Page 139: ...able to connect the switch to a terminal or a PC running terminal emulation software This RJ 45 to DB 9 conversion cable is a standard Ethernet cable with the serial signal assignments listed below B...
Page 140: ...2 Building the Cable The serial cable allows you to manage the switch from the serial port on the front panel To build this cable use a RJ 45 connector for the switch a DB 9 connector for the terminal...
