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NetRunner WAN User’s Manual

Messages

B-17

Table B-2. LCD Messages (continued)

Message

Message Type

Explanation

ni [ml]

CCM Load success.

Info

The code download to the Integration Router
Module is completed.

ni [ml]

Boot

nnn-nnnn-nx

Info

The Integration Router Module has been reset
and is using the version of software indicated.

Channel not available

Info

Selected port is inoperative or module location
is empty.

Channel type not applicable

Info

Port configuration for selected port does not
apply for the function requested.

Example: You request a channel reset for a

port configured as a link.

CMOS Error

E/A

NetRunner software has detected a problem
writing to the configuration area. Contact your
service representative.

ni [ml]

$DLD Connected.

Info

The Integration Router Module is connected to
the download facility and is ready for code
download.

ni [ml]

Done

Info

The Integration Router Module has erased its
Flash EPROMs in preparation for code
download.

ni [ml]

Erasing flash. . .

Info

The Integration Router Module is erasing its
Flash EPROMs in preparation for code
download.

ni [ml]

File header read failed.

Event

The header data received for the code
download file was not correct for the
Integration Router Module.

ni [ml]

File loaded failed,

nnnnnn

bytes loaded

Event

The Integration Router Module code download
data transfer started but did not successfully
complete. The number of bytes actually
transferred is

nnnnnn

Invalid name character/s

Info

Selected text contains a character(s) or
embedded spaces which are not allowed.

Example: Selecting a node name that begins

with a numeric or contains
embedded spaces.

Invalid password

Info

Password entered does not match the
configured password.

ni/ml

LAN Module down

Info

LAN module in

is not available for use.

ni/ml

LAN Module up

Info

LAN module in

is operating and available.

LAN Reset: LAN–>LAN reload

Info

The Integration Router Module is resetting in
preparation for code download via the LAN
(from a Bootp/TFTP server).

Содержание NetRunner

Страница 1: ...Release 5 0 WAN User s Manual Part Number 800 1848 50 Rev A April 1996...

Страница 2: ...e not CE compliant Modules placed in these units may not meet emission standards for CE compliance Trademark Notice MICOMr Marathonr NetRunnerr FrameRunnert STADIAt NETMant rFEATUREPAK FlashPakt tMicr...

Страница 3: ...ent Danger of explosion if battery is in correctly replaced Replace only with the same type or equivalent battery as recommended by the manufacturer Discard used batter ies according to manufacturer s...

Страница 4: ...us does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the Radio Interference Regulations of the Canadian Department of Communications Le pr sent appareil...

Страница 5: ...mbols 1 8 Basic Operation 1 9 Options 1 10 Module Locations 1 12 Populating the NetRunner Module Possibilities and Quantities 1 12 Hardware Conventions 1 14 Network Planning 2 Network Topologies 2 1 T...

Страница 6: ...ndary Interconnect Link 4 11 Deassigning a Secondary Link 4 13 Modes of Operation 4 13 Time of Day 4 14 Backup Mode 4 14 Utilization Threshold Mode 4 15 Time of Day 4 17 Setting up the Time of Day Sch...

Страница 7: ...ion 4 35 Resetting the Unit 4 36 Reset 4 37 Data Channels and Switching Configuration 5 Port Configuration Menu 5 1 Sync Channels 5 2 Sync Channel Protocol Menu 5 3 Sync Channel Characteristics 5 4 Sy...

Страница 8: ...Class Connection 5 33 Node Class Connection 5 33 Matrix Connection 5 34 Port Contention Queueing 5 35 LCD Keypad 6 Not for NR75E model Blinking Backlight 6 1 Keypad Reset 6 2 LCD Keypad Password Prot...

Страница 9: ...s B Screen Display Messages B 2 LCD Messages B 16 Specifications C Physical Specifications C 1 Functional Specifications C 3 Asynchronous Channel Specifications C 6 Synchronous Channel Specifications...

Страница 10: ...ate with a device attached to a LAN at another site for example London The NetRunner features MICOM s EasyRouter technology EasyRouter is actually a combination of several technologies that achieve th...

Страница 11: ...presses LAN data before forwarding it across the WAN TCP IP LAT and IPX header compression in software compression mode only D Voice fax integration Voice fax traffic can be compressed and combined wi...

Страница 12: ...rea Network LAN ports Two LAN ports are provided in the NetRunner 2000ED product for more Integration Routers per Network Node D Management The Integration Router can be managed from Any workstation o...

Страница 13: ...is designed as a branch office router for remote site connectivity to a central office router A Branch Office Router offers low cost WAN network links and a single LAN router port NetRunner 1000E Net...

Страница 14: ...cartridge which is installed in the Local Area Network LAN module at the rear of the unit NetRunner Integration Router FlashPak Cartridge NetRunner CCM FEATUREPAK or FlashPak Cartridge NetRunner Mode...

Страница 15: ...hat reside on the same Ethernet segment as the Integration Router The Integration Router is compatible with all previous releases of NetRunner across the Ethernet segment as well Compatibility in Mixe...

Страница 16: ...manual provides information about the Local Area Network LAN functionality along with a complete description of the LAN commands D The Code Download User s Manual explains the procedures to download s...

Страница 17: ...o two or more LAN modules or Integration Routers in bridge mode and the WAN link s between them D A node is a NetRunner unit D A unit is any MICOM Integration unit D A cluster is a group of nodes assi...

Страница 18: ...unit The NetRunner units isolate network traffic effectively controlling filtering the amount of traffic traveling between segments across the WAN network link which reduces overall network traffic Th...

Страница 19: ...ble D A 6 channel sync async CEM with DMA This module will support additional interconnect links Connectors are female DB 25 RS 232 compatible Only for NetRunner 1000E and 2000E ED D A 6 channel async...

Страница 20: ...model NR75E with standard power supply D For all NetRunner models except model NR75E with Power Plus D For NetRunner 75E 3 slot chassis Converter The following converters are available D The V 35 Con...

Страница 21: ...rea Network software The LAN portion of the LAN WAN module is mapped logically to module location E Populating the NetRunner Module Possibilities and Quantities The following lists the modules availab...

Страница 22: ...Modem 14 4 X X X X 2 1 Supports six additional links NetRunner 500ET Network Node Model NR500ET Module Module Locations Maximum Modules Module A B C D E Maximum Modules Supported By Unit CCM X 1 LAN...

Страница 23: ...nner models Due to these variations the following convention will be used in this manual to represent all the NetRunner models If information specific to a particular model is required the detail for...

Страница 24: ...s In the following pages several topologies are discussed Due to the flexibility of the unit one or all of the following topologies are supported by your network NetRunner Model Topology 75E 500ET 100...

Страница 25: ...following elements need to be considered when putting together a network NetRunner Model 75E 500ET 1000E 2000E ED D Link Capacity non frame relay Terminated 64 Kbps 148 Kbps 128 Kbps 256 Kbps Switched...

Страница 26: ...r Non Mesh attach to like kinds same type D Generally keep like types together Do not partition separate units with earlier revisions Note Exception A NetRunner 75E Release 4 0 and later may be attach...

Страница 27: ...gy over terrestrial satellite and microwave services In a point to point application a link is formed between two Integration Routers across a WAN network Packets are forwarded between the two nodes F...

Страница 28: ...ible however this link speed may limit the number or type of devices that can be attached due to processor constraints PBX Fax PBX Fax Node A Node B Link B Link A NetRunner 2000E NetRunner 2000E Phone...

Страница 29: ...units The NetRunner 2000E or 1000E can act as the network hub for up to 12 other NetRunner units The 5000E 6DMA Module must be installed in module location B to obtain the six additional links Each r...

Страница 30: ...N topologies allowing interconnection between multiple NetRunners see the example shown in the figure below In addition Integration Routers and NetRunner LAN interfaces may be grouped into clusters of...

Страница 31: ...rk Planning 2 8 Distributed Star If two or more star networks are connected the topology can be described as a distributed star Clusters A and B are interconnected here Clusters A and B are not interc...

Страница 32: ...2000E and 2000ED Network Nodes are capable of working within these topologies The NetRunner 75E model can be used as feeders into these networks The Delta is the most basic of the mesh type topologies...

Страница 33: ...ns DLCs within the same physical access line This reduces to a single access line the multiple leased lines required to provide any to any communications among several locations One physical connectio...

Страница 34: ...re information on these prerequisites Network addressing and subnetting Acquire the necessary IP addresses from the Internet Authority Node addressing You must assign unique IP addresses to all the no...

Страница 35: ...quired More information is provided on Frame Relay Links in Section 3 Clusters The NetRunner allows a network to be partitioned into groups called clusters A cluster is formed when two or more NetRunn...

Страница 36: ...connection via the WAN with other NetRunners assigned to the default cluster name of None To connect a new NetRunner to a different cluster its cluster name needs to be changed This procedure is desc...

Страница 37: ...NetRunner WAN User s Manual Network Planning 2 14 Cluster None Cluster Alpha Cluster Delta Cluster Omega 13th Node 13th Node Connecting a 13th NetRunner Node to Existing Clusters...

Страница 38: ...in a particular cluster may be set to forward or accept only certain packet types filtering Cluster B Cluster A Point B bridge traffic Point A voice fax data traffic 56 Kbps Cluster to Cluster Communi...

Страница 39: ...erconnect WAN network link followed by sync and then LAN and async data This priority scheme minimizes delay for voice fax and sync connections There are occasions when a sync channel may need to have...

Страница 40: ...e Command Mode is a single menu which supports configuration and testing of the local port and access to the Command Facility The Command Facility contains the parameters that control the features and...

Страница 41: ...The Command Mode is accessible from any of the async ports local to that CCM First Time Access to the Command Mode Set the terminal to the settings shown below Async Terminal Settings Data Rate 9600 C...

Страница 42: ...FIGURATION 3 COMMAND FACILITY MAIN MENU 4 EXIT The Command Mode offers four options D Async Channel Loopback Contains a selection of loopback tests D Local Channel Configuration Provides control and m...

Страница 43: ...unction on or off 6 CR Delay1 0 Carriage return delay 7 LF Delay1 0 Line feed delay 8 FF Delay1 0 Form feed delay Note To ascertain the correct configuration values consult the user manual of the devi...

Страница 44: ...no password so press cr Press cr ENTER CLASS CMD ENTER CLASS PASSWORD cr At the prompt1 enter CMD Access via CMD Access via X break Press X then break COMMAND MODE 3 COMMAND FACILITY MAIN MENU COMMAN...

Страница 45: ...the node numbers1 and node IDs for the NetRunner units in your network Node Number Syntax Node numbers may be 1 through 254 It is not necessary to place 0s to hold spaces the number 1 is input as 1 a...

Страница 46: ...nit For example 101 ENTER NODE ID X TO ABORT 240 Los_A Enter the planned node ID The NetRunner software is not case sensitive so for example Los_A LOS_A and los_a are all the same SELECT Y TO RESET SY...

Страница 47: ...nector number 1 If this connector is on the module in location B the channel number is B1 If the connector is on module C the channel number is C1 and so forth MICOM Mux MICOM mux ports are numbered...

Страница 48: ...emain connected but the network traffic will be interrupted until the units are properly configured and reset Your unit must have either D at least one link configured as frame relay D more than one i...

Страница 49: ...ics D The clock source maintains network time automatically by broadcasting Time message every two minutes D Every unit with or without a Real Time Clock device in the network sets its clock to the sp...

Страница 50: ...ill be brought up for the purpose of retrieving network time The link is then dropped if the bandwidth on time of day configuration indicates that the link should be down Reset Real Time Clock Unit Af...

Страница 51: ...with a Real Time Clock sets its clock when it receives a Time broadcast A unit with the Real Time Clock source is always considered a valid source of network time once time has been set Access the Co...

Страница 52: ...eek Configuration This configuration sets the day of the week and operates in conjunction with the time and date settings This selection also supports a feature referred to as Bandwidth on Demand The...

Страница 53: ...nnel or link type to a port 1 PORT CONFIGURATION COMMAND FACILITY MAIN MENU node ID 3 CONFIGURE LOCAL NODES ENTER NODE ID CHANNEL X TO ABORT Type the node ID a slash followed by the channel number The...

Страница 54: ...er Interconnect Link Mux Link An infrequently used connection to a MICOM mux over a leased line X 21 Link An infrequently used connection to a MICOM mux over an X 21 link Frame Relay Link For connecti...

Страница 55: ...sync or Sync2 NR500ET A1 Interconnect Link Interconnect Local Interconnect Secondary Interconnect Frame Relay Mux or X 21 Link A2 Async Interconnect Local Interconnect Secondary Interconnect Frame Rel...

Страница 56: ...t Considerations D For optimal performance highest speed Wide Area Network links interconnect local interconnect secondary interconnect and frame relay should be configured on the lower most channels...

Страница 57: ...0G or higher FSS g 907 2103 0C or higher MB5 ESM 907 1992 0B or higher MB5 ESM ESS 907 1992 0B or higher 907 1993 0D or higher ESS FSS 907 1993 0D or higher 907 2105 0B or higher LCi Val U Mux1 n a 9...

Страница 58: ...ternal Clocks 3 4800 Sync Internal Clocks 4 9600 Sync Internal Clocks 11 64000 Sync Internal Clocks For most applications you will select Sync External Clocks This is used when connecting to another N...

Страница 59: ...using other cables or when externally clocked D If utilizing a campus type private wire application you may connect a communications device and configure for external clocking In this application add...

Страница 60: ...N MENU 10 RESET RESET 1 NODE ENTER Y TO CONFIRM OR N TO ABORT Y PARAMETER RESTORATION 2 CURRENT CONFIGURATION Reset the unit Return to Main Menu Set Link Rate Menu The Set Link Rate menu displays when...

Страница 61: ...ondary interconnect links available per NetRunner model is as follows Model Secondary Links On Ports 2000ED U 6 A A 2000ED 2000E Up to 6 A1 A6 2000E 1000E Up to 6 B1 B6 on 5000E 6DMA module 1000E B1 B...

Страница 62: ...twork The secondary link may be attached to any of the following devices D ISDN Terminal Adapter TA D Modem D Switched 56 Kbps DSU CSU Note Use equipment which can place a call upon assertion of DTR T...

Страница 63: ...power when activated this should be considered when planning your network if you will be force connecting a secondary interconnect link D A secondary interconnect link cannot serve as a backup link t...

Страница 64: ...U CONFIGURE LOCAL NODES 3 CONFIGURE LOCAL NODES PORT CONFIGURATION 1 ENTER NODE ID CHANNEL X TO ABORT NODE_A A2 PORT CONFIGURATION SECONDARY INTERCONNECT LINK ENTER PRIMARY LINK NO DEASSIGN X TO ABORT...

Страница 65: ...secondary link D Backup Mode In the event of link failure the secondary link will activate until the primary link returns to service Primary Link Secondary Link Communications Device D Utilization Thr...

Страница 66: ...bits If the primary link is down because it is scheduled to be off the secondary link will not activate In the event of CD loss or sync loss on the secondary interconnect link the unit will display S...

Страница 67: ...ary link utilization is monitored at the originating unit in both directions D Primary interconnect link exceeds the percentage of utilization for a defined period of time in either direction Example...

Страница 68: ...1 Secondary On Threshold Sets the utilization in percentages that the primary link must exceed before the secondary link will activate The default is 75 2 On Threshold Time Length Sets the period of...

Страница 69: ...uled to off set the link to Forced On Refer to page 4 22 for additional information Setting up the Time of Day Schedule You may set up the schedule for an Interconnect Link or a Secondary Interconnect...

Страница 70: ...r schedule ACTIVATION SCHEDULE SET 1 Once you start scheduling you must complete the schedule for the whole day Enter the start time in 24 hour time ENTER START TIME hh mm X TO ABORT 24 00 TO END ENTE...

Страница 71: ...stablishing a schedule At the first prompt ENTER START TIME enter 00 00 at the next prompt ENTER STOP TIME enter 24 00 The link will remain on all the time thus disabling any previous schedule Notes D...

Страница 72: ...ult it is set to Force On yes Force On page 4 22 3 If the link is going to operate with an associated secondary interconnect link configure the secondary interconnect link and its operation Secondary...

Страница 73: ...an interconnect link Ensure that the Force On option of the Control Parameters menu is set to yes the default for interconnect links Force On page 4 22 4 Configure a Time of Day schedule for the secon...

Страница 74: ...ss configured to turn on and off via the Time of Day schedule interconnect links should be forced on yes This is also true for interconnect links that are serving as the answer side for secondary link...

Страница 75: ...twork although physically the network is a star topology Applications predominantly use frame relay services for local area networking LAN and or Systems Network Architecture SNA internetworking Other...

Страница 76: ...nvolving two or more DLCIs which supports frame relay access devices FRADs The DLCI s Level 2 Protocol must be configured for either Transparent or Fragmented Refer to Pass Through Applications on pag...

Страница 77: ...E 512 512 000 NetRunner 2000E ED 512 256 256 256 256 256 256 256 256 128 128 128 128 Recommendations D Sync support The number of sync channels supported over the frame relay access link depends on th...

Страница 78: ...nex D LMI Rev 1 or None D Local management parameters if Annex D or LMI Rev 1 Protocol Prior to connecting to the frame relay network you must configure the DLCI add DLCI and verify that port clocking...

Страница 79: ...A1 FRAME RELAY PARAMETERS 1 FRAME RELAY LINK PARAMETERS 2 LOCAL MANAGEMENT PROTOCOL PARAMETERS 3 DLCI CONFIGURATION Option number varies depending on model Option Description 1 Frame Relay Link Param...

Страница 80: ...2 Port Clocking Sets the link s source for a receive and transmit clock If you configure internal clocking set the rate desired Clock Speed option Default external clocking 3 Maximum Frame Size Sets t...

Страница 81: ...lative to the status inquiry polls 1 255 2 Error Threshold 3 The number of errors that need to occur in the last monitored events next option before the link is considered down 1 10 3 Monitored Events...

Страница 82: ...ll display RESET LINK COMMAND FACILITY MAIN MENU RESET 2 ENTER LINK CHANNEL X TO ABORT A1 FRAME RELAY LINK RESET 1 RESET ACCESS LINK 2 RESET SPECIFIC DLCI 3 RESET ALL DLCI S Option Description 1 Reset...

Страница 83: ...ink 3 DLCI Parameters Sets the parameters for a specific DLCI The information for these menu options comes from the carrier provider 4 List DLCIs Lists the known DLCIs on the link The status of each D...

Страница 84: ...e you have configured a DLCI you will need to configure the DLCI parameters FRAME RELAY PARAMETERS DLCI PARAMETERS 3 DLCI PARAMETERS 1 COMMITTED BURST SIZE FORWARD BC FWD 2 COMMITTED BURST SIZE BACKWA...

Страница 85: ...as frame relay links on both sides in this example DLCIs are force connected Both DLCIs are dedicated to FRAD traffic Configured Transparent Local Unit Remote Unit FRAD FRAD A2 A1 A1 A2 Configured Fra...

Страница 86: ...er kilobit of channel speed So for 256 Kbps channel rate a segment size of 256 octets is suggested The maximum channel frame size is 2048 octets FRAD Shorter segment size configured on FRAD Configured...

Страница 87: ...NTER DLCI TO RESET X TO ABORT List DLCI For the frame relay link you may wish to view a list of the DLCIs and their state configured reported and active Follow this path CONFIGURE LOCAL NODES FRAME RE...

Страница 88: ...40 DUPLICATE NODE ID channel number during the configuration procedure which follows it means you did not rename the local node You need to complete that configuration first before renaming the remote...

Страница 89: ...reestablish connections If the link is configured for frame relay an additional menu displays refer to Frame Relay Link Reset on page 4 30 Channel Resets a single channel voice fax or data only Integr...

Страница 90: ...it to the current configuration and updates the network once the network is connected This is also known as a warm start Perform a node reset to current configuration by following this path of selecti...

Страница 91: ...another user those parameters may not match the defaults listed here Port Configuration Menu Follow this menu path to configure the async or sync ports CONFIGURE LOCAL NODES 1 PORT CONFIGURATION COMM...

Страница 92: ...2 CEM modules Sync channels are only supported as direct attachments to an Integration unit not MICOM muxes CAUTIONS D Sync channels are not switchable and must be force connected refer to Force Conne...

Страница 93: ...cading with MICOM muxes All external multiplexers must have all ports configured for asynch ronous channels 8 MICOM Voice Select when an external Advanced Packetized Voice digitizer with DLC protocol...

Страница 94: ...f the options on all of the menus Note It is recommended that you set the rate to 19 200 bps or higher On speeds lower than 19 200 the block size should be short For the 5000E 6 modules do not exceed...

Страница 95: ...Pad 512 Sets the block size in bytes of data to the unit from the attached device H P Sync 9876 MICOM Voice 1024 Maximum Receive Block Size1 4 DLC ASCII Bisync EBCDIC Bisync RTS CTS Sync Pad 512 Sets...

Страница 96: ...the selected channel to synchro nize Enter 0 to specify leading syncs as transparent Leading sync charac ters will not be stripped out 9 Sync Pad Pad Character1 9 ASCII Bisync EBCDIC Bisync H P Sync...

Страница 97: ...pes of encod ing NRZ or NRZI depending on the attached device Idle Fill 8 DLC Flag Fill Selects the unit output when the line is idle D for IBM 3270 half duplex select markfill D for AS 400 applicatio...

Страница 98: ...th1 16 ASCII Bisync EBCDIC Bisync H P Sync RTS CTS the amount of bandwidth in bps reserved for the port The port that initiates the force connect the from node channel sets the bandwidth l i f th h l...

Страница 99: ...quired for the sync channel The last number ones column rounds to the lowest 10 for example You configure 1001 the display will show 1000 when configured for 1026 it will display 1020 The port that in...

Страница 100: ...operator To DTE To DCE Channels SYNC CHANNEL CHARACTERISTICS INTERFACE TYPE Each port must be configured independently at each end This allows the flexibility for a TO DTE interface to a computer and...

Страница 101: ...econds on 4 seconds off when start ring frame re ceived from remote unit It is held off when stop ring frame is received from remote unit or when DTR is on Bell 103 emulation 22 I RI 20 I Send changes...

Страница 102: ...when off to on transition is detected Stop ring frame is sent to remote if no transition is detected for three seconds 22 O RI 6 O Change as detected by remote unit 20 I DTR 20 I Send changes as detec...

Страница 103: ...em or DCE is Tx Clock External attached to unit DCE supplies 15 17 not used Rx Clock External both clocks 18 Rx Clock 15 24 Tx Clock 17 Normal Synchronous Used when attached device Unit DCE DTE Depend...

Страница 104: ...e Source and destination ports must be a like kind async to async sync to sync and protocol sync DLC to DLC If they are not an error message will display and you must start again ENTER NODE ID CHANNEL...

Страница 105: ...MAIN MENU CONFIGURE LOCAL NODES 3 CONFIGURE LOCAL NODES ASYNC CHANNEL 2 ENTER NODE ID CHANNEL X TO ABORT NODE_A B5 Enter your async channel ASYNC CHANNEL 1 CHANNEL CHARACTERISTICS 2 CHANNEL FEATURES...

Страница 106: ...ed at the end of a character 5 Echo Off Enables or disables the echo function 1 6 Channel End to Host to Terminal Terminal Configures the port for a host or a termi nal connection 7 XON Character DC1...

Страница 107: ...t computer if the port configuration is set in the following manner D Port where the sign on character is originated Data Rate ABR Channel End To Host To Terminal Terminal D Port where the sign on cha...

Страница 108: ...of 5 or 6 ABR data rate and XON XOFF flow control is not supported For code level 5 you must set the parity to none Parity Conversion Parity conversion is supported for all switched and force connecte...

Страница 109: ...low control signals 6 HP ENQ ACK No Supports the Hewlett Packard HP 3000 View Systems 7 Sync Loss Disconnect No Determines whether a channel will be disconnected in the event the unit de tects a sync...

Страница 110: ...ses a block of data when transmitting and decompresses the data when receiv ing Fewer bytes are required for the transfer which increases the composite throughput Adaptive Huffman Compres sion algori...

Страница 111: ...5 SWITCHING CONTROL SWITCHING CONTROL 1 DISABLE CHANNEL 2 ENABLE CHANNEL 3 FORCE CONNECT 4 FORCE DISCONNECT When selected you will be offered the following options Option Description 1 Disable Channel...

Страница 112: ...GE OF CHANNELS X TO ABORT SIMI A4 Note If force connecting DLCIs be sure to include the DLCI number following the port For example SIMI A4 2132 You must be in the Command Facility of the node from whi...

Страница 113: ...ND FACILITY MAIN MENU 5 SWITCHING CONTROL Enter the port or range of ports you want disconnected ENTER NODE CHANNEL OR RANGE OF CHANNELS X TO ABORT SIMI A4 For each port disconnected an event message...

Страница 114: ...this process until all sync connections have been made To disconnect a channel select the Force Disconnect option from the Switching Control menu Asynchronous Connections The following five methods o...

Страница 115: ...signed to a group of one or more ports that may be used for similar purposes by network users e g all ports connected to a specific application may be contained in a class Classes may be viewed as hun...

Страница 116: ...secondary class port D A call is made to remote unit s a CALL IN PROGRESS message displays The unit searches the primary then secondary class If no available ports unit will place the call in queue D...

Страница 117: ...be displayed after the connection is made See Class Message next page Class Names Class Name Class names may be up to eight 8 characters long Syntax Only alpha characters a z A Z numeric characters 0...

Страница 118: ...riage return line feed esc ctrl X esc esc esc Without the esc key X will abort the message To include an escape key in the text it must be preceded by an esc To include a semicolon in the text it must...

Страница 119: ...associated with the class 4 Class Message n a Displays on user s screen after they connect to the class 5 Class No Activity Timeout 0 A configured period of time in min utes after which the system wi...

Страница 120: ...nbalanced Rates On Allows a connection to operate at different rates speeds at each end of the connection On enables this function 3 Call Inhibit No Yes inhibits the port being con figured from initia...

Страница 121: ...tax is the same as for class password This is unrelated to the class password The de fault is no password Connect Disconnect Protocol Channel Interfaces The Connect Protocol menu offers the following...

Страница 122: ...tomatically at the receiving NetRunner to match the required parity Parity conversion also works on force connected channels Parity is part of the Channel Characteristics option of the Async Channel m...

Страница 123: ...n six seconds The disconnect message will display on the calling port s screen Node Class Connection 1 Complete the initial steps on page 5 32 2 At the ENTER CLASS prompt enter the node class name to...

Страница 124: ...class password enter the password D If the port is not available the screen will display Busy Port is in use try again No Answer No answer from the destination port D Remote port did not respond to c...

Страница 125: ...y elect to change the message To configure your own dialog messages access the Dialog Messages Menu CONFIGURE LOCAL NODES DIALOG MESSAGES Dialog Message Dialog Messages vary in maximum length Syntax A...

Страница 126: ...onnected Connected Displays when a connection to any resource has been established The maximum length of the message is 31 characters 6 Queue Waiting Q n User is waiting for a connect to a port The us...

Страница 127: ...rs 11 Unavailable Unavailable Displays when a node class or channel is unknown in the network It could also mean that a password for the class may be incorrect This message generally indicates a typin...

Страница 128: ...accept the entry Press to access a menu option or to access menu functions from the banner message Press to access a menu option or to access alarm and status message from banner message Press to ent...

Страница 129: ...dministrative diagnostic and configuration functions allowing access only to review the alarm and status messages in the system message log The password may be a series of up to eight up down left rig...

Страница 130: ...acility Global Allows access to all functions Status Allows access only to view status and exit functions LCD Keypad Allows access to all LCD Keypad functions This password is a series of keypad entri...

Страница 131: ...orts and the no activity timeout Event and alarm message reporting turns on or off the report of a normal change of state in the system or the report of a vital error in the system A list and descript...

Страница 132: ...s the least invasive For instance to clear one channel perform a channel reset instead of a node reset which interrupts the whole network There are two ways to perform a node reset on the unit through...

Страница 133: ...st Note Time and date are lost during a hardware reset current configuration remains Simultaneously push both outside keys and hold for 2 seconds Backlight will momentarily extinguish Hardware Reset w...

Страница 134: ...t will reset the MI COM mux also Force connected channels will automatically rees tablish connection Refer to Link Reset on page 4 30 for frame relay link information 3 Channel Disconnects and resets...

Страница 135: ...e code download PC or NETMan To protect against unauthorized access to this facility you may set a password There is a timer associated with the facility DLD Activity Timeout if there is no activity i...

Страница 136: ...and units with dual bank memory 3 COMMAND FACILITY MAIN MENU CONFIGURE LOCAL NOES CONFIGURE LOCAL NODES DOWNLOAD PARAMETERS DOWNLOAD PARAMETERS CCM BANK TO ACTIVATE WITH RESET CCM BANK TO ACTIVATE WI...

Страница 137: ...3 Voice Fax Channels Displays a range of voice fax ports 4 Classes Displays the class parameters as currently configured 5 Class Messages Displays the current class messages for all the configured cla...

Страница 138: ...o 30 ports per class 5 Voice Fax Status Displays a range of ports selected the input level the mode on hook off hook busy the software revision and if applicable the test mode test status and Flash st...

Страница 139: ...od report is based on a configured period of time These reports can be output regularly to a configured destination local command port log port or remote node Both appear in the same screen format COM...

Страница 140: ...that periodic maintenance may be done on the attached device To reset a channel refer to page 7 4 Disable or Enable a Channel COMMAND FACILITY MAIN MENU node ID SWITCHING CONTROL SWITCHING CONTROL ENA...

Страница 141: ...ON 1 VIEW CONFIGURATION node ID HARDWARE node ID HARDWARE CONFIGURATION SLOT MODEL NUMBER REVISION MODULE DESCRIPTION E SLOT EMPTY D 100 3352 002 G LAN MODULE C 100 3382 002 AE VM 2 CHANNEL VOICE B 10...

Страница 142: ...ame Relay Worksheet A 7 DLCI Parameters A 7 Frame Relay Link Parameters A 8 Local Management Control A 8 Sync Protocol and Channel Worksheet A 9 Async Channel Characteristics Worksheet A 11 Async Chan...

Страница 143: ...________ Node ID _______ String Topology Node ________ Node ID _______ Node ________ Node ID _______ Node ________ Node ID _______ Node ________ Node ID _______ Node ________ Node ID _______ Node ___...

Страница 144: ..._____ Node ________ Node ID _______ Node ________ Node ID _______ Node ________ Node ID _______ Node ________ Node ID _______ Node ________ Node ID _______ Distributed Star Delta Node ________ Node ID...

Страница 145: ...Relay Link PVC Node ________ Node ID _______ Node ________ Node ID _______ Node ________ Node ID _______ Node ________ Node ID _______ Cluster __________ Cluster __________ Worksheet for Planning Node...

Страница 146: ...NetRunner WAN User s Manual Worksheets A 5 Record of Cluster Names Cluster Name Node Number Node ID NetRunner Port Configuration Worksheet Port Type Link Rate Sync Protocol...

Страница 147: ...t Control Parameters Port Type Secondary Pri mary Associated Link Connected to Node Port Terminated Switched Voice Calls Forced On Utilization Thresholds Secondary On Threshold On Threshold Time Lengt...

Страница 148: ...NetRunner WAN User s Manual Worksheets A 7 Frame Relay Worksheet Node ID name Port No DLCI Parameters DLCI Level 2 Protocol Bc Fwd Bc Bwd Be Fwd Be Bwd CIR Fwd CIR Bwd...

Страница 149: ...Maximum Frame Size Network Address Local Management Local Management Protocol Parameters Annex D or LMI Rev 1 Parameters Port Full Status Polling Counter N391 nN1 Error Threshold N392 nN2 Monitored Ev...

Страница 150: ...l Data Rate Channel Clocking Maximum Transmit Block Size Maximum Receive Block Size Interface Type Channel No Carrier of Leading Pad Char of Leading Pad Chars of Trailing Mode Syncs Pad Chars 1 2 Sync...

Страница 151: ...heets A 10 Sync Protocol and Channel Worksheet continued Node ID name cont d Channel No Encoding Idle Fill Buffer Control Clock Flow DSR Control Control Priority Channel No Force Connected to Node Id...

Страница 152: ...N User s Manual Worksheets A 11 Async Channel Characteristics Worksheet Node ID name Channel No Data Stop Bits Echo To Host To Terminal Rate Code Level1 Parity1 1 These must be set to match the attach...

Страница 153: ...NetRunner WAN User s Manual Worksheets A 12 Async Channel Characteristics Worksheet continued Node ID name cont d Channel No XON XOFF Buffer Flow Ctrl CR Char Char Ctrl Delay LF Delay FF Delay...

Страница 154: ...NetRunner WAN User s Manual Worksheets A 13 Async Channel Features Worksheet Node ID name Channel No Priority EIA Ctrl Smooth Tandem Flow HP ENQ ACK Scroll Ctrl Strip...

Страница 155: ...ual Worksheets A 14 Async Channel Features Worksheet continued Node ID name cont d Channel No Sync Loss Command Mode Entry Command Command Local Channel Disconnect Sequence Mode Access Facility Main M...

Страница 156: ...Runner WAN User s Manual Worksheets A 15 Async Channel Switching Configuration Worksheet Node ID name Channel No Connect Unbalanced Call Receive Character Protocol Rate Inhibit Inhibit Set Matrix Swit...

Страница 157: ...WAN User s Manual Worksheets A 16 Async Channel Switching Configuration Worksheet continued If Force Connected Node ID Channel No Node ID name Channel No Resource Destination Channel Class Node Class...

Страница 158: ...NetRunner WAN User s Manual Worksheets A 17 Async Channel Extended Features Worksheet Node ID name Channel No Data Remote CTS Control Compression...

Страница 159: ...NetRunner WAN User s Manual Worksheets A 18 Async Classes Worksheet Node ID name Class Class Secondary Class Class Class Class No Activity Password Message Name Timeout Ports Assigned to Class...

Страница 160: ...Option Entry Time Date Event Reporting Alarm Reporting Switch Statistics Reporting Output Event Alarm Reports Remote Node ID Periodic Reporting Interval No Activity Timeout Output Periodic Reports Ex...

Страница 161: ...nual Worksheets A 20 Dialog Messages Worksheet Node ID name Option Entry Channel Password Welcome Class Request Class Password Connected Busy No Answer Queue Call in Progress Disconnected Unavailable...

Страница 162: ...ords Worksheet Node ID name Class Number Class Password Class Name Node Id User Channel Password Channel Number Option Entry Global Status LCD Keypad Server Incoming Password Login Password Maintenanc...

Страница 163: ...Key VF Voice Frequency ADB Automatic Dial Backup Brackets indicate configurable messages Default is shown cl Class name voice fax extension number or MATRIX if matrix switching is used ci Channel port...

Страница 164: ...functionality Most likely there is a bridge installed in the module location you selected This does not require the configure menu ni BATTERY LOW Alarm Indicates the CMOS battery at node ni is low an...

Страница 165: ...ect link you must deassign it from the secondary link Go into Port Configuration and start as if configuring the secondary link and answer no at the primary link prompt CHANNEL ci CURRENTLY USING COMM...

Страница 166: ...TYPE Info Async or sync port configuration is being attempted but the channel number selected is for a port of a different channel type CONFLICT IN CHANNEL TYPES Info Attempt has been made to copy ch...

Страница 167: ...e ci DLCI ALREADY PRESENT Info You are attempting to add an existing DLCI ni DLCI DELETED ci Alarm The locally attached frame relay switch has reported to the local unit that the DLCI has been deleted...

Страница 168: ...s an error try again ni ml FILE HEADER READ FAILED Event The header data received for the code download file was not correct for the Integration Router Module ni ml FILE LOADED FAILED nnnnnn BYTES LOA...

Страница 169: ...loopback on the link INPUT REQUIRED Info cr without a data entry was received for a function which requires a data input such as entering a channel number or a new password INPUT TEST ACTIVE Diag Asy...

Страница 170: ...is configured as a secondary interconnect link Before you can configure this port as other than a secondary interconnect link you must deassign it from the primary interconnect link Answer NO at the p...

Страница 171: ...is being lost Does not apply to information sent in excess of the configured committed information rate CIR or burst sizes Bc Be Possible causes D CRC error D Frame relay discard due to congestion LI...

Страница 172: ...OOS ni NEW DLCI ci Event The unit has recognized a new DLCI on the frame relay interface ni NO ANSWER LINK ci Event The calling process has discontinued due to the absence of an answer tone on a local...

Страница 173: ...up check your configuration ni li OUT OF CAS FRAME CLEARED Alarm The out of CAS frame condition has cleared on li ni li OUT OF CRC FRAME Alarm The remote side is not receiving what it expected on li T...

Страница 174: ...ote side has detected a multiframe alignment signal frame condition on li Check the configuration or the remote unit may require maintenance ni li REMOTE SIGNALLING ALARM CLEARED Alarm The remote sign...

Страница 175: ...ni SL TIME OUT ci Info Sync loss has occurred continuously for 40 seconds ni SYNC ACQUIRE ci Event Synchronization has been achieved with the remote unit attached on link ci SYNC CHANNEL LOOPBACK n c...

Страница 176: ...uration ni li TS 16 AIS ALARM CLEARED Alarm The CAS signaling is now available on li T1 E1 CODE DOWNLOAD IS IN PROGRESS PLEASE TRY LATER Event You have attempted to reset a T1 or E1 Access Module duri...

Страница 177: ...e or fax port c on node n has completed the internal diagnostic tests unsuccessfully VOICE CHANNEL n c SELF TEST PASS Diag Voice or fax port c on node n has completed the self diagnostic tests success...

Страница 178: ...EXE forces a reset Info You attempted to reconfigure node number and ID This invokes a reset and this message Press EXE to accept new configuration and invoke the reset Press any other key to abort Ba...

Страница 179: ...Module has erased its Flash EPROMs in preparation for code download ni ml Erasing flash Info The Integration Router Module is erasing its Flash EPROMs in preparation for code download ni ml File head...

Страница 180: ...l link ci has been reset New date nn nn E A Appears at the beginning of each new day and when reconfigured No action taken Depress any key Info You elected to terminate a reset request by pressing any...

Страница 181: ...ess denied Event The Integration Router Module does not have permission to access the code download file on the Bootp TFTP server ni ml TFTP Bad checksum Event D The code download data received by the...

Страница 182: ...ecifications Ethernet Interface Software selectable for IEEE 802 3 compatible 15 pin AUI connector or 8 pin modular jack for unshielded twisted pair LANs Wide Area Network Interface Connector Interfac...

Страница 183: ...tton not on the NR50E and NR75E models Lithium Battery One located on the base module and one on the LAN module or one on the NR75E LAN WAN module the battery preserves the configuration of the CMOS R...

Страница 184: ...24 CIRs User determined Frame Size Up to 8189 octets of information per frame including frame header Does not include CRC Voice 80 of CIR Trunk Clocking Rates 56 Kbps T1 NR1000E Interconnect Links 0 1...

Страница 185: ...1 Data Rates Up to 64 Kbps full duplex Local Interconnect Links n a Secondary Interconnect Links 0 1 Data Rates Up to 64 Kbps full duplex Frame Relay Access Links 0 2 Number of Utilized DLCIs Maximum...

Страница 186: ...Provides message broadcast dynamic channel configuration centralized troubleshooting alarm messages and periodic reports Diagnostics Local channel tests local and remote composite loopback tests data...

Страница 187: ...me All ports present themselves as DCE Synchronous Channel Specifications Protocols DLC ASCII Bisync EBCDIC Bisync H P Sync RTS CTS Sync Pad MICOM DLC MICOM Voice Fast Packet and TDM All ports present...

Страница 188: ...BCDIC Bisync 1200 19 200 bps Sync Pad RTS CTS MICOM DLC 1200 48 000 bps MICOM Voice 9600 14 400 bps Fast Packet TDM DLC 1200 64 000 bps NR75E Capacity 0 1 Port A2 or A3 Clock rate DLC ASCII Bisync H P...

Страница 189: ...o Sync Loss Disconnect No Command Mode Entry Sequence X Break Command Mode Access Enable Command Facility Main Menu Access Enable Local Channel Configuration Enable 1 If Code Level 5 8 2 If Code Level...

Страница 190: ...itching Enable Extended Features Table C 2 Unit Parameters Menu Item Default Event Reporting Off Alarm Reporting On Switch Statistics Reporting On Periodic Reporting Interval 60 Minutes Output Event A...

Страница 191: ...me Size 4096 Local Management Protocol Annex D Committed Burst Size Forward Bc Fwd 0 Committed Burst Size Backward Bc Bwd 0 Excess Burst Size Forward Be Fwd 0 Excess Burst Size Backward Be Bwd 0 Commi...

Страница 192: ...nnected DISCONNECTED No Answer NO ANSWER Unavailable UNAVAILABLE Unassigned UNASSIGNED Incompatible INCOMPATIBLE Call in Progress CALL IN PROGRESS Table C 5 NetRunner Default Node Number and ID NetRun...

Страница 193: ...ow Control Enable DSR Control Normal Priority Low Claimed Bandwidth 0 Transmit Rate Channel Rate Data Rate 2400 Channel Clocking Tx Internal Rx Internal Maximum Transmit Block Size 512 Maximum Receive...

Страница 194: ...r of Trailing Pad Characters 3 Buffer Control None Clock Flow Control Enable DSR Control Normal Priority Low Claimed Bandwidth 0 Data Rate 2400 Channel Clocking Tx Internal Rx Internal Maximum Transmi...

Страница 195: ...al Priority Low Claimed Bandwidth 0 Data Rate 2400 Channel Clocking Tx Internal Rx Internal Maximum Transmit Block Size 9876 Maximum Receive Block Size 9876 Interface Type To DTE Carrier Mode Constant...

Страница 196: ...24 Interface Type To DTE Carrier Mode Constant Buffer Control None Clock Flow Control Enable DSR Control Normal Priority Low Claimed Bandwidth 0 Data Rate 2400 Channel Clocking Tx Internal Rx Internal...

Страница 197: ...r can inject data into the frame relay network ACK acknowledgment A control character used as a reply in communications protocols For example in Hewlett Packard s ENQ ACK protocol ACK is sent by the r...

Страница 198: ...ange A 7 bit plus parity character set or code established by the American National Standards Institute ANSI to achieve compatibility between data services async Short for asynchronous that describes...

Страница 199: ...bit the baud rate is the same as bps If each signal event represents more than one bit as in quadrature amplitude modulation the baud rate is smaller than bps BCC block check character A character ad...

Страница 200: ...Ns bridge router A combination of a bridge and a router in a single device See also bridge and router broadcast The transmission of a message intended for general reception throughout a network rather...

Страница 201: ...f the signal carrier which is being modulated to transmit data CCITT Consultative Committee for International Telegraph and Telephone See International Telecommunication Union Telecommunication Standa...

Страница 202: ...ve channels 2 In electronic design one or more components that act together to perform one or more functions class A name given to a group of one or more async channels Classes are used to group simil...

Страница 203: ...ation unit s menu driven structure containing all the configuration diagnostic and administration options command port A dedicated terminal used to control and monitor a multiplexer system Also the in...

Страница 204: ...or addition of equipment to improve the transmission characteristics or quality of a leased voice grade line so that it meets specifications for data transmission The customer pays a monthly charge f...

Страница 205: ...ipment to a frame relay network See also encapsulation CSA Canadian Standard Association A Canadian agency that generates standards conducts tests and certifies products to ensure their safety CSU cha...

Страница 206: ...and terminate a connection including signal conversion for communications between a data terminal equipment DTE and a telephone line or data circuit Also interface signals typically presented by this...

Страница 207: ...onnect is denoted by removal of power to the station equipment DIT direct in termination A service offered by a PBX that allows incoming calls to the PBX to be routed directly to a selected telephone...

Страница 208: ...ernal device that combines the functionality of a data service unit DSU and a channel service unit CSU See also DSU and CSU Contrast with ISU DTE data terminal equipment The equipment serving as the d...

Страница 209: ...pecific information inside a frame relay frame The network accepts only frames formatted specifically for frame relay hence devices acting as interfaces to a frame relay network must perform encapsula...

Страница 210: ...C FECN forward explicit congestion notification Indicates congestion downstream or toward the destination See also Explicit Congestion Notification FEATUREPAK cartridge The cartridge containing the op...

Страница 211: ...t with switching forward explicit congestion notification See FECN fox message A test message THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG 1234567890 that contains all the letters of the alphabet and a...

Страница 212: ...would not be able to access The gateway generally has multiple IP addresses one for each network For example a gateway might live at addresses 192 6 7 8 and 193 6 7 8 Hosts wishing to forward message...

Страница 213: ...vice unit ISU An interface device that combines the functions of a Digital Service Unit DSU and a Channel Service Unit CSU a module for an Integration unit Contrast with DSU CSU Integration Hub A prod...

Страница 214: ...S key telephone system In industry usage a key telephone system in which the telephones have multiple pushbuttons to allow users to select outgoing incoming calls directly without dialing an access nu...

Страница 215: ...y data Non local area network data async and sync data traffic LF line feed A form of line termination in files and data streams Also a control character used to tell a terminal device to go to the ne...

Страница 216: ...opback A composite loopback that forms the loop at the output composite side of the local unit local digital loopback A digital loopback that forms the loop at the input digital side of the local mode...

Страница 217: ...This database is used to monitor device operation and change device configurations MICOM mux Those MICOM multiplexers that are compatible to an Integration unit All ports on a MICOM mux are addressab...

Страница 218: ...the LAN and contain the name of the host sending them as well as information about what services that host provides multiplexer A device that combines the signals of many devices and types into a comp...

Страница 219: ...arated by periods for example 197 49 155 247 In this case each number must be between 0 and 255 and each segment of the number corresponds to a different network or sub network D For IPX the software...

Страница 220: ...or to fulfill a character count requirement in a transmission of fixed block length In Integration units leading pad characters help establish synchronization and trailing pad characters prevent the...

Страница 221: ...ions with another device Power Plus Redundant power supply kit available for any 5 slot Integration unit Power Plus provides two separate power supplies which share the load equally should one power s...

Страница 222: ...s effort is not completed it is well on its way to being realized by the standardization of the Network to Network Interface NNI RD receive data An RS 232 data signal received by the data terminal equ...

Страница 223: ...ermine which LAN network is its destination The router will then find the best path to use to send the packet across the network s RS 232 An Electronics Industry Association recommended standard that...

Страница 224: ...erconnect link in the event of primary interconnect link failure server A local area network node that provides services to other nodes on the LAN Servers provide printer access and spooling file acce...

Страница 225: ...trol character used to indicate the beginning of a message header space Represents a binary 0 in data communications spacer A piece of hardware that separates one module from another in the unit stack...

Страница 226: ...itch group switched traffic Data which passes through the node The traffic is neither originated nor answered at the node Contrast with terminated traffic switching Selective interconnection of ports...

Страница 227: ...en nodes on the same level as IP are ARP and RARP TCP is a reliable stream delivery virtual circuit connection oriented protocol that runs on top of IP TELNET FTP and rlogin use TCP connections TD tra...

Страница 228: ...tch the E M strapped channel with one of five PBX trunk types Universal Voice Module MICOM s voice fax module with plug in modules for the required interface E M FXO and FXS VF voice frequency Any fre...

Страница 229: ...tically establishes a link to the remote side This link is utilized for Integration units to MICOM mux connections Zero CIR A service offered on some public frame relay networks providing no committed...

Страница 230: ...width Management sync 5 9 Bandwidth On Demand link integrity 4 14 primary link 4 9 secondary link 4 9 secondary links operating modes 4 13 threshold mode 4 15 time of day 4 14 utilization threshold mo...

Страница 231: ...3 13 time of day schedule 4 17 Connect Protocol Options async 5 31 Connection asynchronous 5 24 force 5 22 synchronous 5 24 Control Signals 5 10 5 11 Copy Channel Parameters 5 14 CR Delay 3 4 5 16 Cri...

Страница 232: ...n link 4 22 FRADs See also Frame Relay Frame Relay Access Device 4 34 Frame Relay 2 2 2 10 activated link defined 4 24 configuration 4 26 link 4 23 parameters 4 28 modes of operation 4 24 parameters 4...

Страница 233: ...lacement 2 3 Mesh Topologies 2 9 Messages dialog 5 35 LCD Keypad B 16 B 19 screen display B 1 B 13 MICOM DLC 5 3 defaults C 14 MICOM Mux 3 8 MICOM Voice 5 3 defaults C 15 Modem 4 10 Modes of Operation...

Страница 234: ...t 7 3 4 37 Command Facility 7 4 effects on real time clock 3 11 frame relay link 4 30 hardware 7 3 integral LAN 4 37 keypad 7 4 Revision level NetRunner PROM ID 7 9 Revision Number of Hardware 7 12 Ri...

Страница 235: ...9 configuring 3 12 3 13 Time and Date configuring 7 2 Time of Day 4 17 function 4 9 interconnect link operation 4 20 overriding configuration 4 22 schedule and the secondary link 4 17 scheduling secon...

Страница 236: ...ions clear and complete Is the manual properly organized Is the artwork clear and easy to understand Is the index useful READER S COMMENTS MICOM welcomes your evaluation of this manual and any suggest...

Страница 237: ...REPLY MAIL FIRST CLASS PERMIT NO 906 SIMI VALLEY CA 93062 POSTAGE WILL BE PAID BY ADDRESSEE MICOM Communications Corp 4100 Los Angeles Avenue Simi Valley CA 93063 9949 FOLD AS MARKED AND TAPE CLOSED B...

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