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LMI describes a protocol and associated procedures operating on the local
interface between the user and the network. It notifies the user of the
addition, deletion, and presence of the PVC in the network. It also notifies
the user of the end-to-end availability or unavailability of a PVC. Basic LMI
protocol is based on a synchronous polling scheme where the user polls
the network to obtain status information on the PVCs configured on the
interface. LMI simply augments the ANSI/CCITT standard Frame Relay
protocol and in no way interferes with the normal operation of user PVCs
on the interface.

Annex D provides additional procedures for permanent virtual connections
using unnumbered information frames. Annex D describes the means for
notification of outage of a permanent virtual connection and recovery from
such a condition. This follows the ANSI T1.617 standards.

Annex A provides additional procedures for permanent virtual connections
using unnumbered information frames. Annex A describes the means for
notification of outage of a permanent virtual connection and recovery from
such a condition. This follows the ITU-T Q.933 standard

Encapsulation Type

The Encapsulation Type depends on the type of device that is connected
at the other end of the trunk. If another MultiFRAD 100 is connected at the
other end of the trunk, then the Mux mode is used. If a non-MultiFRAD 100
is at the other end of the trunk, then the Raw mode is used.

Management Parameters

Polling Interval

The Polling Interval defines a time period in which a status enquiry message
is sent from the MultiFRAD to the network. The Status Enquiry message
requests the status of the PVC(s) or verification of the status of a physical
link. When the Status Enquiry message is sent by the MultiFRAD, the Polling
Interval is restarted. The network responds with a status message that
reports the status of the PVC or verifies the integrity of the physical link. The
polling interval is 5 to 30 seconds with a default of 10 seconds.

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Содержание MultiFRAD 100-Series

Страница 1: ...Model FR111 Single Port Frame Relay Access Device with 56K DSU Owner s Manual ...

Страница 2: ...g measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced raido TV technician for help Warning Changes or modifications to this unit not expressly approved by the party responsible for compliance could v...

Страница 3: ......

Страница 4: ...reof without obligation of Multi Tech Systems Inc to notify any person or organization of such revisions or changes Record of Revisions Revision Description A Manual released All pages at revision A 7 21 97 B General Update All pages at revision B 5 28 98 Patents This Product is covered by one or more of the following U S Patent Numbers 5 301 274 5 309 562 5 355 365 5 355 653 5 452 289 5 453 986 O...

Страница 5: ...5 2 4 Switch Settings 26 2 5 Shunts 27 Chapter 3 Setup 3 1 Introduction 31 3 2 Unpacking 31 3 3 Safety LWarnings 31 3 4 Setup 32 3 5 V 35 Shunt 34 Chapter 4 Software Loading and Configuration 4 1 Introduction 37 4 2 Loading Software 37 4 3 Configuring Your MultiFRAD using Windows 40 4 4 Configuring your MultiFRAD using a Dumb Terminal 44 Chapter 5 Software Utility Descriptions 5 1 Introduction 53 ...

Страница 6: ...atistics 80 6 4 Reset Options 82 6 5 Diagnostic Tests 82 Chapter 7 Service Warranty and Tech Support 7 1 Introduction 87 7 2 Limited Warranty 87 7 3 Tech Support 87 7 3 1 Recording MultiFRAD Information 88 7 3 2 Service 89 7 4 About the Multi Tech BBS 89 7 4 1 Logging on to the Multi Tech BBS 90 7 4 2 Downloading a File 90 7 5 About Compuserve 91 7 6 About the Internet 92 7 7 About the Multi Tech ...

Страница 7: ...1 Introduction and Description ...

Страница 8: ...8 ...

Страница 9: ...cuit PVC to be connected to a 56K DDS circuit On the receiving end of the communi cation link the MultiFRAD serves to strip away the frame relay control information in order that the target device is presented with the data packaged in its original form The versatility of the MultiFRAD provides for a smooth integration with existing equipment e g multiplexers routers legacy equipment such as clust...

Страница 10: ...acking instructions a setup procedure for connecting cables and direction as to when you should configure the unit Also after the unit is configured and if a V 35 interface is needed for the data device a procedure for changing the shunt to the V 35 position is provided Chapter 4 Software Loading and Configuration This chapter provides procedures on how to load the software utility and configure t...

Страница 11: ...the unit and enable diagnos tics Chapter 7 Service Warranty and Tech Support Chapter 5 provides instructions on getting service for your MultiFRAD at the factory a statement of the limited warranty information about our user bulletin board service and space for recording information about your MultiFRAD prior to calling Multi Tech s Technical Support The final three sections explain how to use our...

Страница 12: ...BUP DSU CD RCV XMT CTS 56 19 2 RTS NS OOS TM V29 V33 Modem CD RCV XMT CTS External Composite Link Channel Two Channel Three Channel Four Command Modem Channel Five Channel Six Channel Seven Channel Eight XMT RCV XMT RCV XMT RCV A S Y N C L I N K 5 6 K D S U V 2 9 V 3 3 RCV Channel one RCV XMT CD RCV XMT CTS V 35 XMT RCV XMT RCV XMT XMT RCV XMT RCV INTERNAL LINK DEVICE Modems Systems MultiTech M M ...

Страница 13: ...are supported by the MultiFRAD local manage ment interface LMI Annex A and Annex D 1 3 2 How to Configure a MultiFRAD Configuring a MultiFRAD is a simple process of defining the data port device and the trunk parameters for frame relay To configure a Multi FRAD a pc has to be connected to the Data port on the MultiFRAD and the MultiFRAD software loaded To define the data port the type of device th...

Страница 14: ...le if the MultiFRAD at remote site 2 in our typical Frame Relay network in Figure 1 2 is being configured the DLCI is 26 the Access Rate is 56000 and generally a Committed Info Rate of 32000 with a Excess Burst Rate Be of 24000 would allow the multiplexer at remote site 2 to communicate with the host site These parameters can be added to the Trunk Configuration dialog box with a Management Type de...

Страница 15: ...clicking on the Save button and returning to the Main menu In the Main menu click on the download button to transfer the configuration to the MultiFRAD Within a few seconds the new configuration is downloaded to the MultiFRAD and it is ready for operation ...

Страница 16: ...tele phone company will notify you in advance But if advance notice isn t practical the telephone company will notify the customer as soon as possible Also you will be advised of your right to file a complaint with the FCC if you believe it is necessary 5 The telephone company may make changes in its facilities equip ment operations or procedures that could affect the operation of the equipment If...

Страница 17: ...mpatible Manufacturer Multi Tech Systems Inc Model Number MultiFRAD 100 Series FCC Registration Number AU7USA 24704 XD N Ringer Equivalence N A Modular Jack USOC RJ48 Service Center in U S A Multi Tech Systems Inc 2205 Woodale Drive Mounds View MN 55112 USA 612 785 3500 or 800 328 9717 U S Fax 612 785 9874 ...

Страница 18: ...ed to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs ...

Страница 19: ... format is HDLC SDLC Data port connector is a DB 25 female Trunk Single trunk port with synchronous DDS or compatible data format Sync data rate of 56k bps DDS interface with an RJ 48 keyed jack Full duplex over LADS Local Area Data Set or two pair non loaded metallic wire Electrical Physical Environmental Voltage 115v AC 50 60 Hz Power 2 watts Dimensions 4 3 W x 1 H x 5 6 L 10 8 cm x 2 5 cm x 14 ...

Страница 20: ...20 ...

Страница 21: ...21 2 Front and Back Panel Descriptions ...

Страница 22: ...22 ...

Страница 23: ...ode is active The trunk LEDs display status whether the trunk is transmitting or receiving frames link status and congestion Figure 2 1 Front Panel Data 35 Lights when the data port is configured for a V 35 interface That is the data shunt is in the V 35 position CM Command Mode CM LED lights when the Data Command mode switch is in the Command mode position and blinks when the unit is in test mode...

Страница 24: ...ce CD The Carrier Detect CD LED lights when a carrier signal is received from the network Trunk CN Congestion CN LED lights when congestion is detected on the trunk LK Link LK LED blinks slowly when there is no link management connection with the network Blinks quickly when link management is established with the network Remains solid ON when the network indicates the PVC is active CD Carrier Dete...

Страница 25: ...tor is used to connect the MultiFRAD to a 56K DDS circuit that provides the local access to the frame relay service This connector is a RJ48 keyed jack on the back panel of the unit Data Connector The Data connector is used to connect the MultiFRAD to a non frame relay device such as multiplexers routers or legacy equipment such as cluster controllers or an asynchronous device such as a PC running...

Страница 26: ...switches are shown in Figure 2 3 and their settings are described in Table 2 1 DIP Switches Figure 2 3 Switch Settings Table 2 1 Switch Settings Switch Mode Position Description 1 Cmd Data UP Data DOWN Command 2 Clocking UP DDS DOWN Internal 3 Loopback UP Normal DOWN Loopback 4 DSU UP FRAD DOWN DSU 5 8 Not Used Factory default setting ...

Страница 27: ...generally preferred There are two shunt positions on the printed circuit board that configure the data port for either RS232 or V 35 interface Both DIP sockets for the shunts are shown in Figure 2 4 V 35 Shunt Position RS232 Shunt Position Figure 2 4 Shunts In Figure 2 3 the shunt is shown in the RS232 default position i e in the right hand DIP socket the one closest to the DIP switches To change ...

Страница 28: ...28 ...

Страница 29: ...3 Setup ...

Страница 30: ...30 ...

Страница 31: ...pter 7 Warranty If no damage is observed place the MultiFRAD in its final location and verify the signal levels EIA 232D or ITU T V 35 for the data port and connect your cables phone lines and power supply 3 3 Safety Warnings 1 Never install telephone wiring during a lightning storm 2 Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations 3 Never ...

Страница 32: ... on the side of the unit are set for a command mode of operation Refer to the Switch Settings in Chapter 2 DIP Switches Figure 3 1 DIP Switch Settings 2 Connect the external wall transformer power supply to the Multi FRAD and plug it into a live AC outlet The MultiFRAD does not have a power switch When power is applied to the unit the front panel LEDs will light Trunk Data Power Figure 3 2 Power C...

Страница 33: ...iguring your MultiFRAD using a dumb terminal in Chapter 5 6 Once the MultiFRAD is configured for your application you can disconnect the pc and connect your data port device If the data port device contains an EIA 232D interface the same serial cable can be used If the data port device contains a V 35 interface the data port shunt must be moved to the V 35 position and a V 35 adapter cable must be...

Страница 34: ...o avoid any chance of electric shock 1 Unplug the power cord 2 The enclosure consists of two halves Using a Phillips screwdriver remove the two screws from the bottom of the unit Remove the top half 3 Pry the data port shunt out of its RS232 socket and insert it into the V 35 socket V 35 Shunt Position RS232 Shunt Position Figure 3 5 Shunts 4 Carefully reassemble the unit making sure that no forei...

Страница 35: ...35 4 Software Loading andConfiguration ...

Страница 36: ...36 ...

Страница 37: ...FRAD and run Windows 2 Create a backup copy of your MultiFRAD software diskette before you install the software Store the master diskette in a safe place and install the MultiFRAD software using the backup copy 3 Insert the backup disk for the MultiFRAD into the floppy drive 4 Click on the File Menu in your Program Manager 5 Click on Run The Run dialog box is displayed 6 Type a install or b instal...

Страница 38: ... displayed You can view the progress of the installation from this dialog box You can click on Abort at any time to cancel the install 11 The MultiFRAD 100 Installation dialog box asks Please select a communication port for the setup utility to use dialog box is displayed In other words select which COM port on your PC that is connected to the Command Port of the MultiFRAD ...

Страница 39: ...ur selection 12 When the setup installation is successful a system message is displayed stating MultiFRAD 100 Installation Successful Click on OK to continue 13 Your are returned to the Program Manager where the MultiFRAD program group and icons are created This completes the software loading Now proceed to configur ing your MultiFRAD ...

Страница 40: ...the MultiFRAD 100 Configuration icon 2 When the MultiFRAD 100 dialog box is displayed click on the Data Port button to display the Data Port Configuration dialog box 3 The Data Port Configuration dialog box is displayed with the Mode set to Asynchronous If your data device is an Asynchro nous device refer to the User documentation to set the async parameters that meet the conditions of your instal...

Страница 41: ...fer to the User documentation to set the sync parameters that meet the conditions of your installation 4 When you are satisfied with your selections click on the Save button to save your new parameters Then click on the OK button to return to the main menu 5 From the Main menu click on the Trunk button to display the Trunk Configuration dialog box ...

Страница 42: ...ltiFRAD Full Status Counter displays a number between 1 and 255 that is the number of polling cycles minus one before a full status is requested from the network Error Threshold displays a number between 1 and 10 that is less than or equal to the Monitored Event count Monitored Event displays a number that is between 1 and 10 that is greater than or equal to the Error Threshold 8 Click on the Comm...

Страница 43: ...on to the MultiFRAD 14 The Configuration dialog box is displayed The Configuration downloaded successfully Reset the unit for configuration to take effect and put dip switch number 1 in the up position Click on OK to proceed 15 You are returned to your Program Manager where the MultiFRAD 100 Program Group and Program Item the Windows icons have been created Your MultiFRAD 100 is fully operational ...

Страница 44: ...400 and 115 2K bps 8 bits no parity and 1 stop bit Press the ENTER key to display the MultiFRAD Main Menu 2 Enter option 1 and press the ENTER key to display the Configura tion menu Configurations 1 Data Port Configuration 2 Trunk Configuration 3 Factory Default Configuration Options S Store All Configurations M Main Menu P Previous Menu Selection _ 3 If your Data port is being setup for Async mod...

Страница 45: ...isplayed Change the option to meet the conditions of your installation When the data port is configured to meet your site requirements proceed to step 6 to configure the Trunk 5 Change the Sync Data Port Configuration to meet the conditions of your installation by selecting the option needing change and a submenu is displayed with your selections Data Port Configuration 1 Async Sync Sync 2 Speed 5...

Страница 46: ...Option 2 should remain in the default condition Follows input pin from DTE when used in a frame relay network Option 3 the Back to Back option should normally remain off Options 4 thru 6 are supplied by your service provider at the time the trunk was provisioned These values have to be the same as the provi sioned values Options 8 thru 11 modify the management protocol and for the most part should...

Страница 47: ... that corresponds to the CIR in units of 1K for your trunk The CIR range is from 0 to 128K and should be equal to or less than the trunk access rate which can not exceed 56K The CIR is supplied by your network service provider at the time the trunk was provisioned When you have entered your CIR the Trunk Configuration menu is displayed 9 From the Trunk Configuration menu enter option 6 Excess Burs...

Страница 48: ...unk was provisioned Options 8 thru 11 modify the management protocol between the MultiFRAD and the network switch For most applications the default values should be adequate If you do not need to change any of them proceed to step 15 11 From the Trunk Configuration menu enter option 8 Polling Interval and the Polling Interval menu is displayed Enter the Polling Interval in units of seconds Valid v...

Страница 49: ...e between 1 and 10 The Error Threshold must be less than or equal to the Monitored Event Counter x Enter Number or P Previous Menu Selection _ Enter a number that is less than or equal to the Monitored Event Count 14 From the Trunk Configuration menu enter option 11 Monitored Event Count and the Monitored Event Count menu is displayed Enter the Monitored Event Count Valid values are between 1 and ...

Страница 50: ...nfigurations Then enter the letter M and press ENTER to return to the Main Menu Enter 5 to Exit Command Mode 16 Place the Command Mode switch Switch 1 on the side of the MultiFRAD in the UP position and return to step 6 in the Setup procedure in Chapter 3 ...

Страница 51: ...5 Software Utility Descriptions ...

Страница 52: ...52 ...

Страница 53: ...o the MultiFRAD The Configuration Port Setup icon establishes the parameters for which the console pc communicates with the MultiFRAD You may also start the MultiFRAD 100 Configuration from the File Manager by selecting the unofrad directory and double clicking on the unofrad exe program in the file list You may also run MultiFRAD 100 Configuration from either the Program Manager or the File Manag...

Страница 54: ...Others Statistics This button allows you to view statistics of the trunk port Diagnostics This button allows you to run two loopback tests a memory test and watch dog test 5 2 3 Download You can update the MultiFRAD setup on the target This will bring the MultiFRAD down for updating the setup Then reboot the MultiFRAD 5 2 4 Exit This will end your MultiFRAD session and return you to the Program Ma...

Страница 55: ...gh On line Help system is provided with abbreviated informa tion on the dialog boxes and the buttons within a dialog box 5 2 6 MultiFRAD Version The current version number of the MultiFRAD firmware is displayed in this field ...

Страница 56: ...irements Both data port modes are discussed in the following sections Sync Mode Parameters The following parameters are modifiable when the device connected to the data port connector on the back of the MultiFRAD 100 Series is a synchro nous device To change a parameter click on the option button to be activated To change a parameter using a drop down menu click on the drop down arrow and a drop d...

Страница 57: ...Return to Zero Inverted method This parameter must match the synchro nous device s encoding The default is NRZ With NRZ encoding the data is represented normally With NRZI encoding a logical one is represented by no transmission and a zero is represented by a transition at the beginning of the bit Most synchronous devices can be configured for either NRZ or NRZI If a synchronous device is not conf...

Страница 58: ...es is an asynchro nous device To change a parameter using a drop down menu click on the drop down arrow and a drop down menu displays the new parameters Click on the desired parameter To change an option parameter click on the option box An x appears in the option box if the option is active Baud Rate The Baud Rate parameter needs to be set to match the speed of the async device The baud rate rang...

Страница 59: ... data device controls data flow to itself it is called pacing see Pacing The combination of flow control from the port device and pacing to the data device is how data transfers are regulated so that no data is lost DATA DATA Channel Device Channel Device CHANNEL DEVICE INITIATED PACING Pacing stops the output of data from the MultiFRAD Flow control stops the input of data to the MultiFRAD MultiFR...

Страница 60: ...dition for the echo option is off EIA Pass Through The EIA Pass Through parameter allows the data device to receive EIA control signals through the MultiFRAD Since in normal interactive oper ation the existence of a MultiFRAD should be transparent to the user the EIA pass through option allows a terminal to operate as if it were connected directly to a communications line and not through a MultiFR...

Страница 61: ...pecial flow control protocol used in Hewlett Packard computer systems This option is sometimes referred to as Enquire Acknowledge flow control because it s based on the computer sending an enquiry ENQ and then expecting an acknowledgment ACK ...

Страница 62: ... a particular logical link in the Frame Relay network and has local significance only The DLCI is assigned by the frame relay service provider for the PVC Permanent Virtual Circuit that is on your access circuit As the logical link traverses the Frame Relay network input DLCI will be mapped to an output DLCI at every node Access DLCIs for permanent logical links are assigned at subscription time T...

Страница 63: ...nal procedures for permanent virtual connections using unnumbered information frames Annex A describes the means for notification of outage of a permanent virtual connection and recovery from such a condition This follows the ITU T Q 933 standard Encapsulation Type The Encapsulation Type depends on the type of device that is connected at the other end of the trunk If another MultiFRAD 100 is conne...

Страница 64: ...nt Counter The Error Threshold Count can range from 1 to 10 with a default of 3 and should be less than or equal to the Monitored Event Counter Monitored Event The Monitored Event determines the number of Polling Intervals that have to take place before the User Network Interface is operational It is also used with the error threshold count to determine if the trunk should be brought down The rang...

Страница 65: ...k to back mode is useful when two MultiFRADs are at the same location and they are connected via DSUs for testing Back to back mode can also be used to connect two MultiFRADs over a private leased line Excess Burst Rate Be The Excess Burst Rate Be defines the maximum allowable data transfer rate the MultiFRAD can exceed the Committed Info Rate CIR during a time interval The Be is the maximum addit...

Страница 66: ...d and messages received and the status of the messages received If you want to clear the statistics so that you can have fresh statistics then you should click on the clear button 5 6 Diagnostics The MultiFRAD Diagnostics dialog box allows you to run two loopback tests a memory test and watch dog test The Diagnostics dialog box is displayed by clicking on the Diagnostic button in the MultiFRAD dia...

Страница 67: ...r for the data to be looped back to the sending DTE device If the data port device is a sync device the Command Mode switch must be in the up position Data mode in order for the device to receive the looped back data The trunk loopback test requires that DIP Switch position 3 Loopback Test Mode be in the DOWN position in order for the internal DSU to loop back the data received from the DTE device...

Страница 68: ......

Страница 69: ...6 ASCII Terminal Menu System ...

Страница 70: ...70 ...

Страница 71: ...iFRAD display statistics or run one of many diagnostics tests 6 2 Configurations Menu From the Configurations menu you can configure the data port or trunk restore factory defaults store all current configurations or return to the Main Menu Configurations 1 Data Port Configuration 2 Trunk Configuration 3 Factory Default Configuration Options S Store All Configurations M Main Menu P Previous Menu S...

Страница 72: ...ollowing Data Port Configuration menu displays the default parameters for async mode of operation Data Port Configuration 1 Async Sync Async 2 Speed 57600 3 Word Length 8 4 Stop Bits 1 5 Parity None 6 Flow Control CTS 7 Enq Ack Flow Control Off 8 Echo Off 9 Pacing Off 10 EIA Pass Through Off 11 Pass Xon Off S Store All Configurations M Main Menu P Previous Menu Selection _ The Async Sync option co...

Страница 73: ... PACING Pacing stops the output of data from the MultiFRAD Flow control stops the input of data to the MultiFRAD MultiFRAD INITIATED FLOW CONTROL MultiFRAD MultiFRAD The Enq Ack Flow Control option is a special flow control protocol used in Hewlett Packard computer systems This option is sometimes referred to as Enquire Acknowledge flow control because it s based on the computer sending an enquiry...

Страница 74: ...als on one MultiFRAD to be passed through to selected pins on a remote MultiFRAD The default condition is for this option to be turned off The following diagram shows how the EIA pass through option routes the selected signals Trunk Facility IN 4 IN 20 OUT 8 OUT 6 8 OUT 6 OUT 4 IN 20 IN MultiFRAD A MultiFRAD B The Pass Xon option enables the XON XOFF flow control signals to be passed on to the dat...

Страница 75: ...ed for synchronous operation The Speed option needs to be set to match the speed of the sync device When the data port is connected to a synchronous device the baud rate is from 300 bps up to 128K bps The default channel speed is 56K bps The Idle Condition option must be set to match the idle condition of the synchronous device connected to the data port The idle condition determines what happens ...

Страница 76: ...ulate the CRC for each frame is preset to all 1s or all 0s This option must match the synchronous device s CRC preset setting The default is All 1s The Inter frame Timer option can be changed to make the MultiFRAD wait a specified length of time between frames being transmitted on the data port The user can choose delay times of 2 5 10 and 15 millisec onds A typical use for this parameter is to si...

Страница 77: ...nk The Access Rate can not be changed The RTS Request To Send Signal Status of Follows input from DTE enables the DTE to control the carrier on status on the trunk The RTS Forced ON option is used in the DSU only mode when a multi drop application is used and is only used by the host unit The default is Follows input from DTE The Back to Back option is used to test the port by connecting two Multi...

Страница 78: ...s determined by the network at subscription time The Polling Interval option defines a time period T391 in which a Status Enquiry message is sent from the MultiFRAD to the network The Status Enquiry message requests the status of the PVC s or verification of the status of a physical link When the Status Enquiry message is sent by the MultiFRAD the Polling Interval is restarted The network responds...

Страница 79: ... the error threshold count to determine if the trunk should be brought down The range of this counter is from 1 to 10 events with a default of 4 events The Encapsulation Mode option depends on the type of device that is connected at the other end of the trunk If another MultiFRAD 100 is connected at the other end of the trunk then the Mux mode is used If a non MultiFRAD 100 is at the other end of ...

Страница 80: ...configured for synchronous mode of operation then the Async Data Frames Retransmitted and Link Alarms statistics are not presented The Trunk Statistics Menus provide information concerning the operation of the MultiFRAD that can aid you in testing for problems Trunk Statistics Elapsed Time 00 Days 06 Hours 59 Minutes Data Frames Transmitted 0 Data Frames Received 0 Receive Errors 0 Remote Downs 0 ...

Страница 81: ...ires default of 10 seconds There are 4 counts of status messages received from the network Status messages are sent by the network in response to the status enquiries from the MultiFRAD The sum of the status messages re ceived count and the full status messages received count should equal the status Enquiry Transmitted count The Status Messages Received count indicates the number of Keep Alive sta...

Страница 82: ...nostic menu allows you to run two loopback tests a watch dog test display the product and firmware identification or return to the previous menu or the Main Menu Diagnostics 1 Loop Tests 2 Memory Tests 3 Watch Dog Test 4 Product and Firmware ID 5 Flash Firmware Upgrade M Main Menu P Previous Menu Selection _ 6 5 1 Loop Tests The Loop Tests menu allows for selection of two loopback tests or return ...

Страница 83: ...ultiFRAD s data port settings are correct The Trunk Loopback Test is selected when the internal DSU is set for loopback mode DIP Switch 3 is DOWN This tests the data port circuitry and the MultiFRAD s trunk circuitry up the DDS line circuit The methodology for all of the tests is the same 1 Put the MultiFRAD either the local or remote one into the desired test mode 2 Connect the user device to the...

Страница 84: ...t destroys all stored parameters 6 5 3 Watch Dog Test The watch dog is a special circuit designed to reset the unit in case of a catastrophic error in the firmware The watch dog test verifies that the watch dog circuitry is working 6 5 4 Product and Firmware ID This option displays the product identification and firmware version number 6 5 5 Flash Firmware Upgrade The flash firmware upgrade option...

Страница 85: ...7 Service Warranty and Tech Support ...

Страница 86: ...86 ...

Страница 87: ...htning storms water or power surges or which have been neglected altered abused used for a purpose other than the one for which they were manufactured repaired by the customer or any party without MTS s written authorization or used in any manner inconsistent with MTS s instructions MTS s entire obligation under this warranty shall be limited at MTS s option to repair or replacement of any product...

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Страница 89: ...ial number of the product sent see section 7 3 1 Send your MultiFRAD to this address MULTI TECH SYSTEMS INC 2205 WOODALE DRIVE MOUNDS VIEW MINNESOTA 55112 ATTN SERVICE OR REPAIRS You should also check with the supplier of your MultiFRAD on the availabil ity of local service and or loaner units in your part of the country 7 4 About the Multi Tech BBS Multi Tech Systems maintains a Bulletin Board Se...

Страница 90: ...e main areas the Files Menu the Message Menu and Bulletins For help on menu commands type 7 4 2 Downloading a File If you know the file name 1 From the Main Menu type F to access the Files Menu then type D 2 Enter the name of the file you wish to download from the BBS 3 If a password is required enter the password 4 Answer Y or N to the automatic logoff question 5 Select a file transfer protocol b...

Страница 91: ...u will see a list of the files you have marked Enter E if you would like to edit the list otherwise enter D again to start the download process 6 Select a file transfer protocol by typing the indicated letter such as Z for Zmodem the recommended protocol 7 If you select Zmodem the file will transfer automatically If you select another protocol you may have to initiate the transfer yourself In most...

Страница 92: ...rovides 24 hour access to sales market ing and technical literature Dial 612 717 5888 follow the voice prompts and request document number 10 for a catalog of available documents For convenience have your fax number handy _________________________ From the catalog of available docu ments you can order newsletters white papers press releases etc from the sales and marketing index pages 1 4 or order...

Страница 93: ... HEX file in the same directory 3 Run FlashPro by typing FLASHPRO and hitting ENTER at the DOS prompt 4 Highlight the Configure option in the MAIN MENU and hit ENTER Highlight Active Port and select the COM port to which you have your MultiFRAD attached Highlight Baud Rate and select the rate at which you want to program Hit ESC when finished 5 Highlight the Select File to Program option in the MA...

Страница 94: ...94 ...

Страница 95: ...Appendices ...

Страница 96: ...96 ...

Страница 97: ...ER DETECT DATA TERMINAL READY TRANSMIT DATA A RECEIVE DATA A TRANSMIT DATA B RECEIVE DATA B EXTERNAL TX CLOCK A RECEIVE CLOCK A EXTERNAL TX CLOCK B RECEIVE CLOCK B TRANSMIT CLOCK A TRANSMIT CLOCK B V 35 Adapter Cable The FR111 RS232C interface circuits have been designed to meet the electrical specifications given in EIA Electronic Industries Association RS232C and CCITT Consultative Committee Int...

Страница 98: ...3 4 5 6 7 8 RT RR RT RR Receive Transmit RJ 48 Cable Pin Identification Pin Description Destination 1 Transmit Pair To Line 2 Transmit Pair To Line 3 N C 4 N C 5 N C 6 N C 7 Receive Pair From Line 8 Receive Pair From Line ...

Страница 99: ...99 Back To Back Cable RJ48S 1 2 3 4 5 6 7 8 RJ48S 8 7 6 5 4 3 2 1 1 8 ...

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