Instruction/ maintenance manual of the product PT-7728 Moxa Technologies
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Moxa PowerT rans Switch PT -7728 User ’ s Manual www .moxa.com/product First Edition, February 2008 Moxa Inc. Tel: +886-2-8919-1230 Fax: +886-2-8919-1231 Web: www.moxa.com Moxa Technical Support Worldwide: support@ moxa.com The Americas support@ usa.
Moxa PowerTrans Switch PT-7728 User’s Manual The software d escribed in t his manual is furnished under a license a greement and m ay be use d only in accordance with the term s of that agreement. Copyright Notice Copyright © 2008 Moxa Inc. All rights reserved.
Table of Contents Chapter 1 Introduction ............................................................................................... 1-1 Overview .....................................................................................................
Configuring Bandwi dth Managem ent ..................................................................... 3-51 Broadcast Storm Protection ..................................................................................... 3- 51 Traffic Rate Li miting Se ttings.
1 1 Chapter 1 Introduction Welcome to t he PowerTra ns PT-7728, a managed re dundant Gi gabit Ethe rnet switc h designed especially for connecting Ethernet-enabled devices for industrial field ap plications.
PT-7728 User’s Manual Introduction 1-2 Overview The PowerTrans PT- 7728 is certifie d for use in power s ubstation aut omation syst ems (IEC 61850-3, IEEE 1613) , traffic control system s (NEMA TS 2), and railway applications (EN50121-4) . It can be use d for Gi gabit or F ast Ethernet backbones an d support s redunda nt ring topologies.
2 2 Chapter 2 Getting Started This chapter exp lains how the initial installation process for the PT-7728. There are three ways to access PT-7728's configuration setti ngs: the serial console, Telnet console, and web console.
PT-7728 User’s Manual Getting Started 2-2 Serial Console Configuration (115200, None, 8, 1, VT100) NOTE y You cannot connect to the serial and Telnet console at the sam e time. y You can connect to the web conso le and another console (serial or Telnet) at th e same time.
PT-7728 User’s Manual Getting Started 2-3 3. The Property window should open. On th e Commu nicat ion Pa ramete r tab for Ports , select the COM port that is being used for the console connection. Set the other fields as follows: 115200 fo r Baud Rate , 8 for Data Bits , None for Parity , and 1 for Stop Bit s .
PT-7728 User’s Manual Getting Started 2-4 6. The serial console will prompt you to log in. Press Enter and select admin or user . Use the down arrow ke y on your key board to select the Password field and ent er a password i f desired. This password will be required to a ccess any of the consoles (web, serial, Tel net).
PT-7728 User’s Manual Getting Started 2-5 NOTE When connecti ng to the PT- 7728's Telnet or web consol e, first connect one of PT -7728’s Ethernet ports to your Ethernet LAN or directly to your PC’s Ethernet port. You may use either a straight-thr ough or cross -over Ethernet ca ble.
PT-7728 User’s Manual Getting Started 2-6 4. The Main Menu of the PT- 7728's Telnet c onsole sho uld appear. 5. In the terminal window, select Preferences… from the Terminal m enu on t he m enu bar. 6. The Terminal Preferences window s hould appea r.
PT-7728 User’s Manual Getting Started 2-7 Configuration by Web Browser The PT-7728’s web c onsole is a convenient wa y to m odify the configuration and access the built-in monitoring an d network administration functions. You can open th e PT-7728's web console using a standard web browser such as Internet Explorer or Netscape.
PT-7728 User’s Manual Getting Started 2-8 3. After logging in, you may need to wait a few moments for the web console to appear. Use the folders in t he left na vigation panel to navi gate betwee n different pages of configuratio n options.
3 3 Chapter 3 Featured Functions This chapter explains how to access PT-7728’s vari ous configuration, monitoring, and administration functions. The se f unctions can be accesse d by serial , Telnet, or web console.
PT-7728 User’s Manual Featured Functions 3-2 Configuring Basic Settings Basic Settings includes the mo st common settings required by ad ministrators to maintain and control the PT -7728. System Identification System Identification items are displayed at the top of the web console and will be included in alarm emails.
PT-7728 User’s Manual Featured Functions 3-3 Password The PT-7728 provides two levels of confi guration access. The admin account has read/ write access of all configuration param eters, and the user account has read access only. The user account can only view the conf iguration, but will not be able to m ake modifications.
PT-7728 User’s Manual Featured Functions 3-4 Accessible IP The PT-7728 uses an IP address-base d filtering method to cont rol access. You may add or rem ove IP addresses to lim it acce ss to the PT-7728. Whe n the accessible IP list is enabled, only addresse s on the list will be allowed access to the PT-7728.
PT-7728 User’s Manual Featured Functions 3-5 Port Port settings are include d to give t he user control over port access, port tr ansmission speed, flow control, an d port ty pe (MDI or M DIX). Enable Setting Description Factory Defaul t Checked This allows data transmission through the port.
PT-7728 User’s Manual Featured Functions 3-6 Speed Setting Description Factory Defaul t Auto This allows the port to use the IEEE 802.3u protocol t o negoti ate with c onnected devices. The port and connected devices will determin e the best speed for that connection.
PT-7728 User’s Manual Featured Functions 3-7 Auto IP Configuration Setting Description Factory Defaul t Disable Select this to set the PT-7728’s IP address manually. By DHCP The PT-7728’s IP address will be assigned automatically by th e network’s DHCP server.
PT-7728 User’s Manual Featured Functions 3-8 Time The PT-7728 has a tim e calibration functi on based on informat ion from an NTP server or user specified time and date. Functions such as auto matic warning emails can therefore include tim e and date stamp.
PT-7728 User’s Manual Featured Functions 3-9 End Date Setting Description Factory Defaul t User-specified date This specifies the date t hat Dayli ght Savings Time ends. None Offset Setting Description Factory Defaul t User-specified hour This specifies the num ber of hours t hat the time should be offse t forward du ring Dayli ght Savings Time.
PT-7728 User’s Manual Featured Functions 3-10 TFTP Server IP/Name Setting Description Factory Defaul t IP address of T FTP server This specifies the IP address or name of the remote TFTP server. This must be specified before downloadi ng or uploadi ng files.
PT-7728 User’s Manual Featured Functions 3-11 System File Update—By Local Import/Export Configuration File Click Export to sav e the PT-7728's configuration file to the local host. Log File Click Export to sav e the PT-7728's log file to the local host.
PT-7728 User’s Manual Featured Functions 3-12 NOTE After restoring the factory default configuration, you will need to use th e default network settings to re-establish the web or Telnet console c onnection wi th the PT-772 8. Using Port Trunking Link aggregation inv olves grouping links to into a lin k aggregation group.
PT-7728 User’s Manual Featured Functions 3-13 Configuring Port Trunking The Port Trunking Settings page is w here ports are assi gned to a tr unk group. Step 1: Select the desired Trunk Group (Trk1, Trk2 , Trk3, Trk4). Step 2: Select the Trunk Type (Static or LACP).
PT-7728 User’s Manual Featured Functions 3-14 Trunk Table Setting Description Trunk gro up Displays t he trunk t ype and t runk g roup. Member port Displays the member ports that belong to the trunk group. Status Success means por t trunking is working properly.
PT-7728 User’s Manual Featured Functions 3-15 These parameters a re configured on the SNMP page. A more det ailed ex planation of each parameter i s given below the figure.
PT-7728 User’s Manual Featured Functions 3-16 Admin Auth. Type (for SNMP V1, V 2c, V3, and V3 only) Setting Description Factory Defaul t No-Auth This allows the admin account to access objects without auth entication. No MD5- Auth Authentication will be based on the HMAC-MD5 algorithm s.
PT-7728 User’s Manual Featured Functions 3-17 1 st Trap Community Setting Description Factory Defaul t Max. 30 characte rs This specifies the community string to use for authentication.
PT-7728 User’s Manual Featured Functions 3-18 NOTE Most managed swi tches by M oxa sup port two pr oprietary T urbo Ring protocols: y Turbo Ring refers to the original version of Moxa ’s propriet ary redundant ring protocol , which has a recovery time of un der 300 m s.
PT-7728 User’s Manual Featured Functions 3-19 Turbo Ring with even number of s witches If the num ber of Ethernet swi tches in the Turbo Ring i s 2N (an e ven num ber), the backup segment is one of the two seg ments connected to the (N+1)st switch (i.
PT-7728 User’s Manual Featured Functions 3-20 Determining the Redundant Path for Turbo Ring V2 Master For Turbo Ring V2 , the backup segment is the segment connected to the 2nd redund ant port on the master. Please refer to Confi guring Turbo Ring V2 later in this chapter.
PT-7728 User’s Manual Featured Functions 3-21 To configure the ring co upling for a Turbo Rin g , select two PT series Ethernet switches (e.g., Switch A and B in the above figure) in the ring, an d another two PT se ries Ethernet switches i n the adjacent ring (e.
PT-7728 User’s Manual Featured Functions 3-22 Dual-Homing Configurat ion for Turbo Ring V2 Dual-homi ng is only supporte d with Tur bo Ring V2 and is used to c onnect two net works thr ough a single Ethernet switch.
PT-7728 User’s Manual Featured Functions 3-23 "Current Status" Items Now Active This shows which com munication protocol is in use: Turbo Ring , Turbo Ring V2 , RSTP , or none . Master/Slave This indicates whether or not the PT-7728 is the master of the Tu rbo Rin g.
PT-7728 User’s Manual Featured Functions 3-24 Enable Ring Coupling Setting Description Fact or y Default Enable This specifies that this PT-7728 will be a ring coupler.
PT-7728 User’s Manual Featured Functions 3-25 "Current Status" Items Now Active This shows which com munication protocol is in use: Turbo Ring , Turbo Ring V2 , RSTP , or none . Ring 1/2—Stat us This show s Healthy if the ring is operating normally, and shows Break if the ring’s backup link is active.
PT-7728 User’s Manual Featured Functions 3-26 *Both Rin g 1 and Ri ng 2 must be enabled when usin g the dual-ri ng architec ture. Set as Master Setting Description Fact or y Default Enabled The PT-7728 i s manuall y selected as the master. Disabled The Turbo Ring or Turbo Ring V2 protocol will automatically select the master.
PT-7728 User’s Manual Featured Functions 3-27 The STP/RSTP Concept Spanning Tree Protoc ol (STP) was desi gned t o help reduce link failure s in a netw ork and pr ovide protection f rom loops. Networks that have a com plicated architecture are prone to broadcast storms caused by unintende d loops in the network.
PT-7728 User’s Manual Featured Functions 3-28 If STP is enabled, it will detect duplicate paths and prevent, or blo ck, one of them from forwarding traffic.
PT-7728 User’s Manual Featured Functions 3-29 How STP Works When enabled, STP determ ines the most ap propriate path for traffic t hrough a net work.
PT-7728 User’s Manual Featured Functions 3-30 STP Reconfiguration Once the network topology has stabilized, e ach bridge listens for "Hello" BPDUs that are transmitted from the Root Bridge at regular interv als.
PT-7728 User’s Manual Featured Functions 3-31 y Bridge A has been selected as the Root Bridge, since it was determined to have the lowest Bridge Ide ntifier on the networ k. y Since Bridge A is the R oot Bridge , it is als o the Desig nated Bridge f or LAN segm ent 1.
PT-7728 User’s Manual Featured Functions 3-32 Configuring STP/RSTP The following fig ures indicate which Spa nning Tree Protoc ol paramete rs can be configured. A more detailed explanation of each parameter is given bel ow the figure. At the top of this pa ge, the user can c heck the Current Status of this function.
PT-7728 User’s Manual Featured Functions 3-33 Forwarding D el ay Setting Description Factory Defaul t Numerical value input by user This specifies the am ount of ti me this device will wait before checking to see if it should change to a different state.
PT-7728 User’s Manual Featured Functions 3-34 Port Status Indicates the current Spanning Tree status of this port. Forwarding indicates norm al transmission and Blocking indicates blocked t ransmissi on. Configuration Limi ts of RSTP/STP The Spanning Tree Algorithm places limits on three of the configuration items: [Eq.
PT-7728 User’s Manual Featured Functions 3-35 y Provide predictab le throughput for multimed ia applications, such as video conferen cing or voice over IP, and minimize traffic delay and jitter. y Improve net work performance as the amount of tr affic grows.
PT-7728 User’s Manual Featured Functions 3-36 Differentiated Services (DiffServ) Traffic Mar king DiffServ is a Layer 3 marking scheme that uses the DiffServ Code Point (DSCP) field in the IP header to store the packet prior ity information.
PT-7728 User’s Manual Featured Functions 3-37 Configuring Traffic Prioritization Quality of Service (QoS) provid es a traffic prioritization capability to ensure that important data is delivered consistently and predictably. The PT- 7728 can ins pect IEEE 802.
PT-7728 User’s Manual Featured Functions 3-38 Inspect COS Setting Description Factor y Default Enable/Disable This enab les or disables the PT-7728 to inspect the 802.
PT-7728 User’s Manual Featured Functions 3-39 Setting Description Factor y Default Low/Normal/ Medium /High This maps di fferent TOS values to 4 differen t egress queues.
PT-7728 User’s Manual Featured Functions 3-40 Benefits of VLANs The main benefit of VLANs is that they provide a network segmentation system that is far more flexible than traditional netwo rks. Using VLANs also provides you with three other benefits: y VLANs ease the relocati on of devices on networks.
PT-7728 User’s Manual Featured Functions 3-41 VLANs: Tagged and Untagged Membership The PT-7728 supports 80 2.1Q VLAN tagging, a syst e m that allows traffic for multiple VLANs to be carried on a single physical (b ackbone, tr unk) link. When setting up VLANs you need to understand when to use untagged an d tagged membershi p of VLANs.
PT-7728 User’s Manual Featured Functions 3-42 In this application, y Port 1 connect s a single unta gged devi ce and assigns it to VLAN 5; i t shoul d be configure d as Access Port with PVID 5. y Port 2 connects a LAN with two un tagged devices belonging to VLAN 2.
PT-7728 User’s Manual Featured Functions 3-43 Configuring Virtual LAN VLAN Settings To configure 802.1Q VLAN on the PT-7728, use the VLAN Setting page to configur e the ports. Management VLAN ID Setting Description Factor y Default VLAN ID from 1 to 4094 This assigns the VLAN ID of this PT-7728.
PT-7728 User’s Manual Featured Functions 3-44 Fixed VLAN Li st (Tagged) Setting Description Factor y Default VID range from 1 to 4094 This field will be active only when selectin g the Trunk port type. Set the othe r VLAN ID for tagged devices that connect to the Trunk port.
PT-7728 User’s Manual Featured Functions 3-45 Benefits of Multicast The benefits of using IP multicast are that it: y Uses the most efficient, sensi ble method to de liver the same inform ation to many receivers with only one transmission.
PT-7728 User’s Manual Featured Functions 3-46 Network with multicast filtering IGMP Group2 Group 1 Multicast Stream Group 2 Multicast Stream IGMP Group1 IGMP Group2 IGMP Group1 LNK/ACT SPEED FDX/HDX.
PT-7728 User’s Manual Featured Functions 3-47 IGMP Multicast Filtering IGMP is used by IP-s upporting network de vices to re gister hosts with mult icast groups. It can be used on all LA Ns and VLA Ns that contai n a mul ticast capable IP ro uter, and on other net work devices that support multicast filterin g.
PT-7728 User’s Manual Featured Functions 3-48 IGMP Snooping Settings IGMP Snoopi ng E n a ble Setting Description Factor y Default Enable/Disable Click the ch eckbox to enable the IGMP Snooping function globall y .
PT-7728 User’s Manual Featured Functions 3-49 IGMP Table The PT-7728 displays the current active IGMP groups that were detected. The informat ion include s VID , Auto-lear ned Multicast Router Por t , Static Multicast Router Port , Querier Connected Port , and the IP and MAC addresses of active IGMP grou ps.
PT-7728 User’s Manual Featured Functions 3-50 Configuring GMRP GMRP is a M AC-based m ulticast managem ent protoc ol, whereas IGM P is IP-based . GMRP provides a m echanism that allows bridges and e nd stations t o register or un-register Group membership i nform ation dynam ically.
PT-7728 User’s Manual Featured Functions 3-51 Configuring Bandwidth Management Broadcast Storm Protection Setting Description Factor y Default This enables or disables B roadcast St orm Protect ion for unknown broa dcast packet global ly.
PT-7728 User’s Manual Featured Functions 3-52 Using Port Access Control The PT-7728 provides two kinds of Port-Base Access Cont rol. One is Static Port Lock an d the other is IEEE 802.1X. Static Port Lock The PT-7728 c an also be c onfigured to pr otect st atic MAC addresses for a specific port.
PT-7728 User’s Manual Featured Functions 3-53 Setting Description Factor y Default MAC Address Add t he static unicas t M AC address into the address table. None Port Fix the static address with a dedicated port. 1-1 Configuring IEEE 802.1X Database Option Setting Description Factor y Default Local (Max.
PT-7728 User’s Manual Featured Functions 3-54 Re-Auth Setting Description Factor y Default Enable/Disable Select to require re-a uthentication of the client after a preset time per iod of no acti vity has elapsed. Disable Re-Auth Period Setting Description Factor y Default Numerical (60 to 65535 sec.
PT-7728 User’s Manual Featured Functions 3-55 Local User Databa se Setup Setting Description Factory Default User Name (Max. 30 character s) User Name for Local User Database None Password (Max. 16 character s) Password for Local User Database None Description (Max.
PT-7728 User’s Manual Featured Functions 3-56 Configuring Email Warning The Auto Email Warning function us es e-mail to alert the user whe n certain user-configured events take place. Three basic steps are required to set up the Auto Warning function: 1.
PT-7728 User’s Manual Featured Functions 3-57 Port Events Warning e-mail is sent when… Link-ON The port is conn ected to another device. Link-OFF The port is disconnected (e.
PT-7728 User’s Manual Featured Functions 3-58 Account Name Setting Description Factor y Default Max. 45 Charters Your email account. None Password Setting Setting Description Factor y Default Disabl.
PT-7728 User’s Manual Featured Functions 3-59 Event Setup Event Types c an be divi ded into t wo basic gro ups: System Events an d Port Events . Syst em Events are related to the overall functio n of the switch, whereas Port Even ts are related to the activity of a specific port.
PT-7728 User’s Manual Featured Functions 3-60 Override relay alarm settings Click the checkbox to override the relay warn ing setting temporarily. Releasing the relay output will allow administrators to fix any pro blems with the warning condition. Warning List Use this table to see if any rel ay alarms have been issued.
PT-7728 User’s Manual Featured Functions 3-61 STEP 1— Set up the connected devices Set up those Et hernet-enable d devices con nected to PT-7728 for which you would like IP addresses t o be assigned auto maticall y. The devices m ust be configured to obtain their IP address autom atically.
PT-7728 User’s Manual Featured Functions 3-62 Desired IP Address Setting Description Factor y Default IP Address Set the desired IP of connected devices. None Using Diagnosis The PT-7728 provides two i mportant t ools for a dministrat ors to diagnose n etwork system s.
PT-7728 User’s Manual Featured Functions 3-63 Ping The Ping function uses the pi ng comm and to give use rs a sim ple but powerful t ool for troubleshooting network problems.
PT-7728 User’s Manual Featured Functions 3-64 Monitor by Port Access the Moni tor by Port f unction by selecting ALL 10/1 00 M or 1G Ports or Port i , in which i = 1, 2, …, G 2 , from the left pull-down list.
PT-7728 User’s Manual Featured Functions 3-65 The table will display the follo wing information: MAC This field shows the MAC a ddress Type This field shows the ty pe of this M AC address Port This .
PT-7728 User’s Manual Featured Functions 3-66 Using Syslog This function provid es the event logs for the syslog serv er. The function suppo rts 3 configurable syslog servers and syslog server UDP port numbers. When an event occu rs, the event will be sent as a syslog UDP packet to the specified sysl og servers.
PT-7728 User’s Manual Featured Functions 3-67 NOTE The following events will be record ed into th e PT-7728’s Event Log table, and will then be sent to the specified Syslog Server: y Cold start y .
A A Appendix A MIB Groups The PT-7728 comes with built-in SNMP (Simple Network Management Protocol) agent software that supports cold/warm start trap, line up/down trap , and RFC 1213 MIB-II. The standard MIB groups that the PT-772 8 supports are as follows: MIB II.
PT-7728 User’s Manual MIB Groups A-2 MIB II.10 – T ransmission Group dot3 dot3Stat sTable MIB II.11 – SNMP Gr ou p SnmpBasi cGroup SnmpInputStats SnmpOut putStats MIB II.
PT-7728 User’s Manual MIB Groups A-3 The PT-7728 a lso provi des a private M IB file, locat ed in the fil e Moxa-PT7728-M IB.my on the PT-7728 utility CD-ROM.
B B Appendix B Specifications Technology Standards IEEE 802.3 for 10BaseT, IEEE 802.3u for 100BaseT(X) and 100BaseFX, IEEE 802.3ab for 1000BaseT(X), IEEE 802.3z for 1000BaseS X/LX/LHX/ZX, IEEE 802.3x for Fl ow Control, IEEE 802.1D for Spanning Tree Protoc ol, IEEE 802.
PT-7728 User’s Manual Specifications B-2 Optical Fiber (100BaseFX) 100BaseFX Multi Mode Sin gle Mode Single Mode, 80 km Wavelengt h 1300 nm 1310 nm 1550 nm Max.
PT-7728 User’s Manual Specifications B-3 Connection 10-pin term inal bloc k Overlo ad Curren t Protec tion Pr esent Reverse Polarity Protection Presen t Mechanical Casing IP30 protection Dimensions (W x H x D) 440 x 44 x 325 mm (17.32 x 1.73 x 12.8 0 in.
An important point after buying a device Moxa Technologies PT-7728 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Moxa Technologies PT-7728 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Moxa Technologies PT-7728 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Moxa Technologies PT-7728 you will learn all the available features of the product, as well as information on its operation. The information that you get Moxa Technologies PT-7728 will certainly help you make a decision on the purchase.
If you already are a holder of Moxa Technologies PT-7728, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Moxa Technologies PT-7728.
However, one of the most important roles played by the user manual is to help in solving problems with Moxa Technologies PT-7728. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Moxa Technologies PT-7728 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
