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Chapter 2: Installation

T1 interface to DSU/CSU

Introduction to the T1 interface

T1 interface, which stands for

channelized CT1/PRI interface, is responsible for forwarding and
processing T1 data flow, delivering CT1 access and implementing ISDN
PRI function. Its attributes are listed in the following table:

For the T1 module, corresponding serial interface shall be created after
you use the timeslot bundling command on the Controller T1 interface.

T1 interface cable

T1 interface matches 100

standard shielded

cable. See the following figure:

Figure 30

T1 interface cable

You can also choose to use network connector assembly, for extending
two T1 interface cables.

T1 interface cable and network connector assembly are optional.

Table 18

T1interface attributes

Attribute

Description

Connector type

RJ45

Interface standard

G.703/T1 102, G.704

Maximum baud rate

1.544Mbps

Matching cable

T1 cable (100

standard shielded cable)

Operating mode

T1, CT1, ISDN PRI

Function

Backup

Terminal access

ISDN

Содержание 3C13751

Страница 1: ...3Com Router 5000 Family Getting Started Guide www 3Com com Part Number 10015122 Rev AB Published September 2007 Mfg BOM 3122A076...

Страница 2: ...not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com...

Страница 3: ...uipment 3Com offers free software maintenance updates and documentation updates on our website To obtain the most up to date operating software and user documentation for the Router 5000 point your we...

Страница 4: ......

Страница 5: ...0 Related Documentation 10 Documentation Comments 11 1 Introducing the Router 5000 Family About the Router 5000 13 3Com Router 5012 3C13701 15 Indicators 16 System Description 16 3Com Router 5232 3C13...

Страница 6: ...outer 5000 Startup of the Router 5000 43 Setting up Configuration Environment 43 Powering on the Router 45 Startup Process 46 Configuration Fundamentals of the Router 48 Command Line Interface 48 4 Tr...

Страница 7: ...Contents 7 Solve Problems Online 67 Purchase Extended Warranty and Professional Services 68 Access Software Downloads 68 Contact Us 69 Telephone Technical Support and Repair 69...

Страница 8: ...8 Contents...

Страница 9: ...t the documents and CD ROM that accompany your Router 5000 Release Notes The release notes provide important information about the current software release including new features modifications and kno...

Страница 10: ...d line interface that enable you to manage the router It is supplied in PDF format on the CD ROM that accompanies the router Router 5000 6000 Module Manual This manual describes the various modules th...

Страница 11: ...de the following information when commenting Document title Document part number on the title page Page number if appropriate Example Router 5000 Family Getting Started Guide Part Number 10015122 Rev...

Страница 12: ...12 About This Guide...

Страница 13: ...such as telecom management networks and billing networks The Router 5000 features a modular design and accepts multiple optional MIMs Multi functional Interface Modules and SICs Smart Interface Cards...

Страница 14: ...gnificantly improved Voice capabilities The Router 5000 support multiple voice interface modules which can provide such interfaces as FXO FXS E M E1VI T1VI With high speed CPU and digital signal proce...

Страница 15: ...uter 5012 Figure 2 Rear view of 3Com Router 5012 1 POWER 2 SYSTEM 3 SLOT1 4 SLOT2 5 SLOT3 6 WAN 7 LAN 1 Power switch 2 Power socket 3 Grounding screw 4 Fixed interface WAN 5 Console port CON 6 Auxilia...

Страница 16: ...card cannot operate properly SLOT3 SIC LED ON indicates that the interface card operates normally OFF indicates that no interface card is installed in the slot or the interface card cannot operate pr...

Страница 17: ...file Boot ROM Stores Bootstrap program 3Com Router 5232 3C13751 Figure 3 Front view of 3Com Router 5232 Input voltage Rated voltage range 100 to 240 VAC 50 or 60 Hz Max voltage range 85 to 264 VAC 47...

Страница 18: ...tem power LED OFF means power is off ON means power is on SYSTEM Hardware status LED Blinking means the system runs normally ON OFF means the system is abnormal READY Module status LED ON means the mo...

Страница 19: ...Table 5 System description of 3Com Router 5232 Item Description Fixed interface One AUX port One console port Two LAN ports Slot 3 MIM slots CPU MPC 8245 300 MHz NVRAM 128 KB Boot ROM 512 KB SDRAM 256...

Страница 20: ...7 MIM SLOT3 2 3 4 5 1 1 2 3 4 5 6 7 Table 6 Router 5642 Indicators LED Indication POWER System power LED OFF means power is off ON means power is on SYSTEM Hardware status LED Blinking means the syste...

Страница 21: ...scription of 3Com Router 5642 Item Description Slot 4 MIM slots CPU MPC8245 300 MHz NVRAM 128 KB Boot ROM 512 KB SDRAM 256 MB Flash 32 MB Physical dimensions H x W x D 88 2 x 442 x 413 mm 3 5 x 17 4 x...

Страница 22: ...gure 7 Front view of 3Com Router 5682 Figure 8 Rear view of 3Com Router 5682 1 POWER 2 SYSTEM 3 AUX 4 CON 5 SLOT0 7 READY ACTIVE 1 Power switch 2 Power socket 3 Grounding screw 4 MIM SLOT1 5 MIM SLOT0...

Страница 23: ...ot is working normally OFF means the module is abnormal or means no module is installed in the corresponding slot ACTIVE Blinking means data is being transceived by the module on the corresponding slo...

Страница 24: ...24 Chapter 1 Introducing the Router 5000 Family...

Страница 25: ...the router place it on a clean sturdy bench top Observe the following guidelines Ensure the stability and well grounding of the workbench Leave a space of 10 cm around the router for heat dissipation...

Страница 26: ...The PGND wire must be well grounded so as to safely conduct the faradism and leaky electricity to the earth ground and thereby improve the capability of the whole device to guard against the electrom...

Страница 27: ...d and DC powered Except for the input power these two types have exactly the same features and functions Power input and PGND AC Power Cord AC power supply Rated voltage range 100 to 240VAC 50 Hz to 6...

Страница 28: ...i functional computer power socket The neutral point of the outlet should be grounded reliably Normally the neutral point of the power supply system in a building is buried in the ground during the co...

Страница 29: ...r CON of the router The other end is a DB9 female connector The user can plug either of them into the serial port of the console terminal as needed Console cable is shown in the following figure Figur...

Страница 30: ...ble The wire sequences of the twisted pair cable crimped by the RJ45 connectors at both ends of the cable are totally the same It is used to connect the terminal equipment such as PCs and routers to H...

Страница 31: ...event that the console port fails the AUX port can serve as a console port For the attributes of the AUX port please refer to Table 14 AUX cable AUX cable is an 8 core shielded cable One end of the c...

Страница 32: ...hronous asynchronous mode or DTE DCE mode depending on the application For the attributes of the interface please refer to Table 15 Table 15 Attributes of the synchronous asynchronous serial interface...

Страница 33: ...operating mode Function DDN leased line backup Terminal access Modem dial up Backup Asynchronous lease line terminal access Protocol PPP MP LAPB HDLC X 25 Frame Relay PPP SLIP MP Table 16 Transmission...

Страница 34: ...ultiplexer or CSU DSU serves as a DCE device In general the asynchronous serial interface is connected to an external Modem or a Terminal Adapter TA to work as the dial up interface In this case it is...

Страница 35: ...Router to WAN Connection 35 Figure 15 V 24 RS232 DTE cable assembly V 24 RS232 DCE cable assembly Figure 16 V 24 RS232 DCE cable assembly V 35 DTE cable assembly...

Страница 36: ...36 Chapter 2 Installation Figure 17 V 35 DTE cable assembly V 35 DCE cable assembly Figure 18 V 35 DCE cable assembly X 21 DTE cable assembly...

Страница 37: ...or and current these types of synchronous asynchronous series interface cables are supported V 24 RS232 DTE cable DB25 male connector V 24 RS232 DCE cable DB25 female connector V 35 DTE 34PIN male con...

Страница 38: ...38 Chapter 2 Installation Figure 21 V24 DTE cable assembly V 24 DCE cable assembly Figure 22 V 24 DCE cable assembly V 35 DTE cable assembly Figure 23 V 35 DTE cable assembly V 35 DCE cable assembly...

Страница 39: ...gure 24 V 35 DCE cable assembly X 21 DTE cable assembly Figure 25 X 21 DTE cable assembly X 21 DCE cable assembly Figure 26 X 21 DCE cable assembly CAUTION These cables are optional and must be purcha...

Страница 40: ...cable or 120 balanced twisted pair cable 75 unbalanced coax cable Figure 27 E1 75 unbalanced coax cable You can also choose to attach both ends with BNC connectors for extending two 75 unbalanced coa...

Страница 41: ...mbly and 75 120 converter all are optional Impedance inverter switch Impedance inverter switch is also available through which you can choose the interface impedance value Turn on the switch to change...

Страница 42: ...imeslot bundling command on the Controller T1 interface T1 interface cable T1 interface matches 100 standard shielded cable See the following figure Figure 30 T1 interface cable You can also choose to...

Страница 43: ...console cable needs to be connected to the console port on the router and the DB 25 or DB 9 connector to the serial interface of a PC Setting the parameters for console terminal Opening the console te...

Страница 44: ...Figure 32 Please note that the selected serial interface should be consistent with the actual serial interface connected by the console cable Figure 32 Setting the connection port in the local configu...

Страница 45: ...s before powering on the router Whether the power cord and PGND wire are correctly connected Whether the voltage of the power supply complies with the requirement of the router Whether the console cab...

Страница 46: ...rtup interface on the console terminal can be seen after the router is powered on see Startup Process below After the startup in other words self test the user is prompted to press Enter When 3Com is...

Страница 47: ...ely within three seconds after the statement Press Ctrl B to Enter Boot Menu appears Otherwise you will enter the program decompression process To re enter the Boot menu during the decompression proce...

Страница 48: ...sulated on the interface and the related operating parameters according to the WAN type 4 Configure the IP addresses or IPX network numbers of all the interfaces on the router according to the divisio...

Страница 49: ...ill be interpreted accordingly For example for a display command the user can just enter dis Command line interface The command line interface of the Router 5000 provide plenty of configuration comman...

Страница 50: ...50 Chapter 3 Starting and Configuring the Router 5000...

Страница 51: ...erminal After the Power On Self Test POST of the router if the system operates normally the start up information should be displayed on the console terminal If the configuration system has some faults...

Страница 52: ...er system and configuration system have no faults please contact the agent of 3Com Corporation Co Ltd With his consent open the chassis to check whether the SDRAM has become loose If that is the case...

Страница 53: ...ed above means that the new software version has not been loaded Fault isolation can be carried out from three aspects Check the TFTP server to see whether information can be sent If not the problem i...

Страница 54: ...ismatch between the application software version and the router model In this case contact your agent to obtain the correct software version and upgrade it again If the improper software has been load...

Страница 55: ...ng application and Boot ROM image through XMODEM Upgrading the application image through TFTP Uploading downloading the application image and configuration file through FTP The Router 5000 are loaded...

Страница 56: ...nload application program with NET 3 Set application file type 4 Display applications in Flash 5 Clear application super password 6 Reset console authentication 7 Start up and ignore configuration 8 E...

Страница 57: ...M file You can modify the file name of an application image in Flash memory using the command after it boots You cannot modify the file type of the type S application image file but you can modify the...

Страница 58: ...type of the original main boot file changes to N A Now the a bin file is the first boot file 4 Display applications in Flash memory Select 4 in Boot Menu The console screen displays M MAIN B BACKUP S...

Страница 59: ...pleted In case you forget the password you may select this option to have the router boot with the configuration file ignored After accessing the system you may change or delete the password Note that...

Страница 60: ...rading the application image 1 Enter Boot Menu refer back to the subsection Boot Menu in this section press 1 to select the XMODEM protocol for downloading the application image The following download...

Страница 61: ...following interface appears 6 After completing download the system begins writing to Flash memory and upon its completion outputs the following information Download completed For an 3Com 5000 router t...

Страница 62: ...ding the application image in this subsection CAUTION You are recommended to upgrade the entire Boot ROM program only when necessary and with the guide of technical staff because no means is available...

Страница 63: ...ps to restore the extended segment of the Boot ROM image from Flash memory to the Boot ROM Step 1 Enter Boot Menu select 9 to enter Boot ROM Download Menu Step 2 In Boot ROM Download Menu select 3 to...

Страница 64: ...Net Port Download Menu select 1 for example to change the download parameters as follows Change Boot Parameter clear field go to previous field D quit boot device fei0 processor number 0 host name 804...

Страница 65: ...and there select 2 The console screen displays boot device fei unit number 0 processor number 0 host name 8040 file name Q8040 BIN inet on ethernet e 10 110 27 235 host inet h 10 110 27 231 user u 804...

Страница 66: ...66 Chapter 5 Router Software Maintenance Dealing with a Router Password Loss Contact our technical staff in the event of Boot ROM password or user password loss They can help you to set a new password...

Страница 67: ...ake advantage of warranty and other service benefits you must first register your product at http eSupport 3com com 3Com eSupport services are based on accounts that are created or that you are author...

Страница 68: ...access numbers later in this appendix Access Software Downloads You are entitled to bug fix maintenance releases for the version of software that you initially purchased with your 3Com product To obt...

Страница 69: ...serial number A list of system hardware and software including revision level Diagnostic error messages Details about recent configuration changes if applicable To send a product directly to 3Com for...

Страница 70: ...tion number RMA by FAX using this number 61 2 9937 5048 or send an email at this email address ap_rma_request 3com com Europe Middle East and Africa Telephone Technical Support and Repair From anywher...

Страница 71: ...ezuela Virgin Islands AT T 800 998 2112 57 1 657 0888 AT T 800 998 2112 1 800 998 2112 571 657 0888 01 800 849CARE AT T 800 998 2112 AT T 800 998 2112 54 11 4894 1888 AT T 800 998 2112 1 800 998 2112...

Страница 72: ...72 APPENDIX A OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS...

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