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Summary of Contents for MUXserver 100

Page 1: ...EK DSRZA RM 02 MUXserve r 100 Network ReferenC 9 Manual...

Page 2: ......

Page 3: ...MUXserver 100 Network Reference Manual...

Page 4: ...Equipment Corporation assumes no responsibility for any errors that may appear in this document Printed in U S A This document was set on a DIGITAL DECset Integrated Publishing System The following a...

Page 5: ...n Asynchronous Ports Mapping THE SERVER MANAGER ENVIRONMENT The Supervisor Ports Privileged and Non Privileged Commands DATABASES ON THE MUXserver 100 THE TERMINAL USER ENVIRONMENT Local Mode Service...

Page 6: ...eristics MUXserver 100 INITIALIZATION SETTING CHARACTERISTICS TO FACTORY SPECIFICATIONS Resetting the MUXserver 100 to Factory Settings Page 2 8 2 8 2 10 2 11 2 12 2 13 2 13 2 16 2 18 2 20 2 22 2 26 2...

Page 7: ...ages 4 12 Down line Loading Problelns 4 13 Down line Load Starts Then Fails 4 13 Down line Load Does Not Start 4 14 Message Number 913 Appears 4 17 Terminal Port or Terminal Hardware Problems 4 19 PRO...

Page 8: ...23 5 24 5 25 5 26 5 27 5 28 4 BACKWARDS 5 2 BROADCAST 5 3 COMMUNICATIONS 5 4 CONNECT 5 5 CONNECT Part of the Communications Sub directory 5 7 DEFINE SET PORT 5 9 DEFINE SET SERVER 5 17 DISCONNECT 5 23...

Page 9: ...x II OPERATION 6 1 6 1 1 6 1 1 1 6 1 1 2 6 1 2 6 2 6 2 1 6 2 2 6 2 3 6 2 3 1 6 2 4 6 3 6 3 1 6 3 2 6 3 3 6 3 4 6 3 5 6 3 6 6 3 6 1 6 3 6 2 6 3 6 3 6 3 7 CONTROLS AND INDICA rORS Indicators Start Up In...

Page 10: ...Tinler Tests 7 2 Module B UART Transmit Receive Test 7 2 Module C Network Interface NI Transmit Receive Tests 7 3 Module D Hardware Exerciser Error Types Soft Errors Hard Errors ODT Examine E Command...

Page 11: ...rmational Messages Message Codes 000 099 and 500 599 A 3 A 2 2 Warning Messages Message Codes 100 199 and 600 699 A 5 A 2 3 Connection Error Messages Message Codes 200 299 A 6 A 2 4 User Error Message...

Page 12: ...ECmux II with Cover Removed Showing Location of J 4 Server Manager s Remote Console on an Ethernet Network Components Breakdown of LAT Network Components Diagnostic Test Loopback Points DECmux II Indi...

Page 13: ...ristics for a Printer 2 40 Terminal Behavior and Possible Problems 4 29 5 65 Composite Port Parameters Asynchronous Port Parameters Composite Port Parameters Non Fatal Soft Error Types Error Status Pa...

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Page 15: ...d of the following sections Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 provides an overview of the MUXserver 100 and of the server managers environment provides in depth information o...

Page 16: ...RELATED MUXSERVER 100 REMOTE TERMINAL SERVER DOCUMENTS MUXserver 100 VMSIMicroVMS Software Installation Guide Describes the installation and configuration of the server software or VMS MicroVMS system...

Page 17: ...you should press the CTRL key at the same time as the x key where x is a letter Note that unless otherwise specified every command line is terminated by pressing the RET key All numbers are decimal un...

Page 18: ...A computing device pursuant to Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such radio frequency inter ference Operation of this equipment in a reside...

Page 19: ...TE link which is provided by either an RS 232 Synchronous Modem for large distances or RS 422 Long Line Drivers for local links Each remote terminal appears to have direct connection to the computer s...

Page 20: ...TRANSCEIVER ETHERNET CABLE TERMINALS TERMINALS Figure 1 1 Local Area Network LAN 2 CHAPTER 1 THE MUXserver 100 ENVIRONMENT TERMINALS C5 5360...

Page 21: ...rver soft ware on an Ethernet node which supports the Digital Network Architecture Phase IV That node is then a load host When power is applied to the MUXserver 100 the load host down line loads the s...

Page 22: ...he DECmux II unit receives the characters discards all the start stop and parity bits and stores the data in a buffer 3 Using a protocol that is understood by the DECmux II unit and MUXserver 100 the...

Page 23: ...s To change any of the composite links to RS 422 or to vary link speed the MUXserver 100 and each DECmux II unit must be individually set up See Chapter 2 Section 2 5 SETTING UP THE COMPOSITE LINK PAR...

Page 24: ...this is also the default setting If either DECmux II unit is set to MASTER mode communications between the MUXserver 100 and that DECmux will fail H4000 ETHERNET CI l jl il I i t r b i J MUXserver 100...

Page 25: ...MUXserver 100 DECmux II A 1 fiT n CONNECTS CONNECTS TO B PORT DECmux II A2 CONNECTS TO B PORT C5 5363 Figure 1 4 Default Multiplexer Configuration No 2 CHAPTEB 1 THE MUXserver 100 ENVIRONMENT 7...

Page 26: ...still be mapped and con nected to the MUXserver 100 and the LAN See Chapter 5 Section 5 16 MAP for details of the MAP command 1 4 THE SERVER MANAGER ENVIRONMENT The server manager is the person respon...

Page 27: ...lnanager from the MUXserver 100 super visor port that is he can CONNECT to a remote DECmux II super visor port See Chapter 5 Section 5 5 CONNECT 2 Running Test Diagnostics Test diagnostics are provid...

Page 28: ...leged commands required to set up monitor and control the network Access to the PRIVILEGE MODE is restricted to the supervisor port of the MUXserver 100 Access to the privileged mode from the local or...

Page 29: ...When users modify port characteristics using the SET PORT command these changes are only temporarily stored in the operational characteristics database The permanent database itself remains unchanged...

Page 30: ...rized access In local mode the MUXserver 100 issues status and error messages in re sponse to many commands The messages appear on your terminal All mes sages employ a standard format and describe the...

Page 31: ...form several tasks at once For example the user can be editing a report in one session and then switch to another session to access file data for the report Typically a terminal user spends most of hi...

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Page 33: ...ver 100 and resetting characteristics to factory specifications When your MUXserver 100 and DECnlux II units are initially installed the factory specified values are in effect for the port characteris...

Page 34: ...EGED PASSWORD SYSTEM not echoed LOCAL Your terminal is now the privileged terminal and you can enter privileged com mands at that terminal You can begin to set up the desired operating param eters for...

Page 35: ...ECmux II Password security is provided on each of the remote DECmux II units and the factory default setting is SYSTEM To set the PASSWORD on the DECnlUX II units follow either of the following two pr...

Page 36: ...efer to the link status messages on your MUXserver 100 su pervisor terminal after power on The sequence of commands to connect to the DECmux II unit com municating with the A Port of the MUXserver 100...

Page 37: ...follows A1 PASSWORD Old password SYSTEM New password NEWPASS Verify NEWPASS A1 SAVE Save complete Having entered verified and saved the new password exit the con nection to the remote DECrnux II unit...

Page 38: ...r 100 SUPERVISOR CONNECTS TO PORT B DECmux B2 CONNECTS TO A PORT CONNECTS TO B PORT CS 5362 Figure 2 1 Numbering System for the First Default Multiplexer Configuration 6 CHAPTER 2 SETTING UP THE MUXse...

Page 39: ...elative to the unit executing the command For example if you are connect ing to the MUXserver 100 froml a remote DECmux II unit the numbering scheme is relevant to that DECmux unit To identify the num...

Page 40: ...sword is stored in the permanent database It becomes oper ational when you initialize the MUXserver 100 or if the applicable user logs into the server If you wish to have it take effect immediately re...

Page 41: ...the syn tax for DEFINE SERVER Table 2 1 lists the server characteristics Sections 2 4 1 through 2 4 3 describe the server characteristics Table 2 1 SE rver Characteristics Characteristic CIRCUIT TIME...

Page 42: ...T TIMER is 80 milliseconds This is the value recom mended for interactive terminal use on timesharing systems It should only be changed after consulting with the network manager To improve response ti...

Page 43: ...D you enable up line dumps of server memory when fatal bugchecks occur An up line dump normally goes to the same load host that down line loaded the server software If that host is not available the d...

Page 44: ...atches the DECnet node name given the MUXserver 100 when the server software was installed on a load host See the system manager of the load host Service node system managers can display the server na...

Page 45: ...deJns used with a maximum of 19 2K baud For RS 422 links a speed setting of 19 2K baud or 38 4K baud is recommended Changing composite link parameters requires separate access to the supervisor ports...

Page 46: ...gnificance in RS 422 Long Line Drive mode and is not prompted by the display 2 The same connectors are used for both RS 232 and RS 422 Long Line Drive The MUXserver 100 has a default setting for RS 23...

Page 47: ...r all DECmux II units are sup plied default as SLAVEs In any network the MUXserver 100 must be the only MASTER The system command alone does not alter the operational parameters of the composite ports...

Page 48: ...ting requires access to the inside of the MUXserver 100 and as such should be performed by DIGITAL Field Service NOTE Having set the appropriate conlposite Port parameters check to en sure the correct...

Page 49: ...ON ON ON OFF OFF OFF OFF NOTE SWITCH SELECTION FOR BOTH COMPOSITE PORT A AND COMPOSITE PORT B ARE THE SAME COMPOSITE PORT A COMPOSITE PORT B DD D n r QDD n F o 0 SWITCH PACK E53 1 1 SWITCH PACK E24 a...

Page 50: ...ort Enter HELP for a listing of all the commands available or see Chapter 6 Section 6 3 5 HELP COlnmand The SYSTEM command allows the operator to set the parameter for the A and B synchronous composit...

Page 51: ...Modem YES Opt ons YES NO Modem YES Master or SLave mux SLAVE Opt ons MASTER SLAVE Master or SLave mux SLAVE SYS The last parameter requested is the rnode of the DECmux II unit All units are supplied d...

Page 52: ...pped to the MUXserver 100 and hence the LAN Alternatively you may choose to sacrifice some of the asynchronous lines into the MUXserver 100 and establish logical asynchronous connection between ports...

Page 53: ...nd so on refer to the numbering scheme identifying each DECmux in the network These are used with the CONNECT conlmand for example see Section 2 2 2 b 3 The UP DOWN reference gives the status of the c...

Page 54: ...te COM RESTART or COM SAVE Save Complete COM EXIT Ex ts the COMM sub d rectory LOCAL INITIALIZE DELAY 0 2 7 SETTING UP THE PORT CHARACTERISTICS The terminal characteristics are set up at the MUXserver...

Page 55: ...ain port characteristics re quire privileged status to be changed and hence can only be changed by means of the supervisor port To set up the port characteristics sp ecify a value for each with the DE...

Page 56: ...cally determines if the host s login prompt is sent to the port specifies the keyboard character used to switch to the previous session while in service mode specifies action when break key is used en...

Page 57: ...acters are lost due to data errors or overruns specifies whether 3 digit codes appear with server messages specifies the port name specifies whether the terminal can control data flow from the server...

Page 58: ...user directly to the dedicated service when he or she presses any key on the terminal With a dedicated service the terminal reacts like a terminal connected directly to a service node and local mode i...

Page 59: ...E is NONE AUTOCONNECT AUTOCONNECT permits automatic connections to network services and is recommended for most terminal users How the server functions with AUTOCONNECT enabled depends upon whether yo...

Page 60: ...r is authorized to use that node s services You limit the port user to certain available services by specifying group codes for the port The port user can use services offered only by his or her autho...

Page 61: ...EN These are the default parameters for all terminals in the DIGITAL VT series Consult the terminal operator s guide if necessary If you wish to operate the terminal with different input and output sp...

Page 62: ...ort space parity Older DIGITAL terminals such as the LA36 may require setting up with jumpers to operate with the server Refer to the terminal operator s guide for details 2 7 3 Flow Control Character...

Page 63: ...passed to the host unchanged The setting of the host input flow control determines the action taken if char acters are received by the host from the MUXserver 100 If the host is set for terminal input...

Page 64: ...control on a DECmux II unit is XON XOFF and on the MUXserver 100 is input and output flow control enabled The PORT command see Chapter 6 Section 6 3 9 is used to change the DECmux II setting and the S...

Page 65: ...characteristics affect the day to day administration of a port PASSWORD PASSWORD is an important security tool This characteristic is a privileged command parameter It permits you to require that a t...

Page 66: ...delete key functions as in SOFTCOPY terminals However the screen clears before all terminal displays and the dis plays build downward line by line from the top of the screen Terminals in the DIGITAL V...

Page 67: ...MUXserver 100 INITIALIZATION You can initialize the MUXserver 100 in one of three ways 1 By electrical power up 2 By entering the INITIALIZE command 3 By entering RESTART in re sponse to the COM promp...

Page 68: ...d service is defined for a terminal the user name prompt Enter username appears and the user types his her user name d With AUTOCONNECT enabled connection to a preferred or dedicated service is carrie...

Page 69: ...ed only when absolutely required To cause a software reset locate the RESET button on the back of the MUXserver 100 hardware unit Simultaneously press this button while you switch the power ON OFF swi...

Page 70: ...uld result if not done correctly 1 Turn off the power and remove the power cord 2 Remove the top cover from the DECmux II unit 3 Locate the red push button switch beside the fan 4 Press the RED RESET...

Page 71: ...or later that supports MUXserver 100 printers These systems can initiate remote requests Service nodes without printer support cannot send remote requests to use MUXserver 100 printers Service nodes...

Page 72: ...permanent database to its operational database Here are examples of the commands to set up a printer at port 8 LOCAL DEFINE PORT 8 ACCESS REMOTE LOCAL DEFINE PORT 8 AUTOBAUD DISABLED AUTOPROMPT DISAB...

Page 73: ...se to assist you Chapter 5 MUXserver 100 COMMAND DESCRIPTIONS covers each command in more detail 3 1 MANAGING THE MUX erver 100 The commands described in this section help you do the following Ensure...

Page 74: ...ommand In Chapter 2 Section 2 2 1 Setting Up the Privileged Password on the MUXserver 100 and Section 2 3 SETTING UP THE LOGIN PASSWORD discuss how you set up the privileged and login passwords To mai...

Page 75: ...of the ports The port you specify can be of any type including the users interactive ports The command terminates all service ses sions at the specified port For examlple to disconnect port 4 from all...

Page 76: ...twork manager to manage them all from a centralloca tion The server software permits you to use MUXserver 100 commands at a single remote terminal rather than at terminals attached to each server The...

Page 77: ...OLE DECnet SERVICE NODE SERV ICE NODE ETHERNET CABLE MUXserver 100 SUPERVISOR TERMINAL DECmux II DECmux II TERMINALS TERMINALS C5 5366 Figure 3 1 Server Manager s Remote Console on an Ethernet CHAPTER...

Page 78: ...nter either the NCP CONNECT NODE or CONNECT VIA command Here is the syntax for each CONNECT NODE server node name CONNECT VIA UNA O PHYSICAL ADDRESS Ethernet address Use the CONNECT NODE command if th...

Page 79: ...100 commands that you can enter You can issue any MUXserver 100 command at the remote console except for the following DEFINE PORT for the remote console SET PORT for the remote console SHOW PORT for...

Page 80: ...ged pass word for the SET PRIVILEGED command This includes all commu nications commands connecting to a remote DECmux II unit and so on Use the fixed local switch character n to enter local mode Perso...

Page 81: ...network for dif ferent time periods For example if you zero the counters at the start of each day you can gain information about day to day server usage Your network manager can use the data to calcu...

Page 82: ...ed value should be less than 1 1000 of the value for Messages Transmitted The Duplicates Received value should be less than 111000 of the value for Messages Received The value for Illegal Messages Rcv...

Page 83: ...rts XON XOFF flow control make sure that this parameter is enabled refer to the operations guide for the terminal Also set up the terminal characteristic FLOW CONTROL to ENABLED see Chapter 2 Section...

Page 84: ...ds On a heavily utilized server they should only be used when necessary 3 3 MONITORING THE REMOTE DECmux II NETWORK The MUXserver 100 SHOW COMMUNICATIONS command enables you to monitor the composite c...

Page 85: ...ileged communications com mand which is entered in response to the COM prompt The status com mand shows the same counters as the SHOW COMMUNICATIONS command This command can also be executed from the...

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Page 87: ...oot the MUXserver 100 you try to solve problems affecting the server DECmux II units and their attached terminals A problem can occur as a result of a failure in one of the ten network compo nents sho...

Page 88: ...ETHERNET SERVICE 100 NODE DECnet LOAD HOST NODE COMPOSITE COMPOSITE LINK B LINK A I I DECmux DECmux II II I I TERMINALS TERMINALS CS 5367 Figure 4 1 Network Components 2 CHAPTER 4 MUXserver 100 TROUBL...

Page 89: ...failure in the MUXserver 100 Section 4 3 PROBLEMS INVOLVING THE COMPOSITE LINKS discusses how to troubleshoot problems that affect the composite links These problems may affect all terminals if the m...

Page 90: ...TWARE L ______ __ I MUXserver 100 I ETHERNET I TRANSCEIVER I TRANSCEIVER CABLE 1 ETHERNET INTERFACE I DEC net LOAD HOST I r I I _i LOAD HOST I SOFTWARE I I I L r _ J I r L I I I LOAD HOST I I DATABASE...

Page 91: ...E MULTIPLEXER CONFIGURATION THE COMPOSITE LINK MAY ALSO CONNECT TWO DECmux II UNITS SEE FIGURE 1 4 MUXserver 100 TRANSCEIVER MUXserver 100 HARDWARE t TRANSCEIVER I CABLE UNIT I I I I I I I I IETHERNET...

Page 92: ...supervisor port terminal 4 If the green light on the back of the unit stays off go on to Section 4 2 1 Server Green Light Off If the green light stays on take note of the error message displayed on t...

Page 93: ...d parity 4 2 PROBLEMS AFFECTING ALL PORTS This section describes what to do after you initialize the MUXserver 100 for problems that affect all the remote terminals The green light on the MUXserver 10...

Page 94: ...Ensure that the voltage select switch is set to the cor rect voltage for your country 120V for North America 240V for Australia and New Zealand Refer to the MUXserver 100 Network Installation Manual...

Page 95: ...discusses the termi nal status codes The location of the number 1 in the server status code tells you what error was detected Note that there can be fronl 1 to 4 ones in the 4 digit code 4 2 2 1 nnn1...

Page 96: ...blem There is a faulty or loose transceiver cable Correction Check the cable that runs from the MUXserver 100 unit to the transceiver DELNI or Etherjack Be sure the cable is se curely connected at bot...

Page 97: ...sceiver or the Ethernet tap are faulty 1 the green light on the MUXserver 100 is steady 2 the supervisor port terminal displays the messages below at approximately 30 s econd intervals Local 902 Wa t...

Page 98: ...led However the server will func tion normally Problem There is a transceiver fault or a cabling problem Correction Refer to Section 4 2 2 3 nlnn Ethernet Loopback Error 4 2 3 No Supervisor Port Messa...

Page 99: ...t erminal at 30 second intervals Local 902 Waiting for image load Local 903 Loading from host load host address Local 912 Load failure timeout Problem The directory with the software image on the loa...

Page 100: ...oes not contain a node database entry for the server or does not contain the proper node information Correction Verify that 1 the load host contains a node entry for the server 2 all information perta...

Page 101: ...he load host If it is not the system man ager can make corrections using AUSCONFIG COM He or she may also need to use NCP comJmands to correct the Load file file name Problem The server s DECnet load...

Page 102: ...P SHOW ACTIVE CIRCUITS STATUS Active Circuit VoLatiLe Status as of 19 AUG 84 13 12 25 Circuit State Loopback Name UNA O on Adjacent Node BLock Size 4 36 LAB01 576 NCP SHOW ACTIVE CIRCUlT CHARACTERISTI...

Page 103: ...4 2 5 Message Number 913 Appears If message number 913 appears on th supervisor port terminal it means that the MUXserver 100 detected an internal fatal error fatal bugcheck A software problem or bug...

Page 104: ...the INITIALIZE command Use the first command to check for a hardware error that causes a crash each time you use the server non intermittent error Use the second to check for intermittent errors The...

Page 105: ...Hardware Problems If the situations discussed in Sections 4 2 1 Server Green Light Off to 4 2 6 Message Number 913 Appears do not apply the behavior of the terminals is the primary indicator for trou...

Page 106: ...S INVOLVING THE COMPOSITE LINKS The status of the composite links are output to the supervisor port terminal of the MUXserver 100 immediately after the completion of the image load and hence diagnosti...

Page 107: ...tallation Manual for correct cables and pin assignments Note par ticularly that RS 232 cables should be limited to distances less than 50 feet 15 meters and RS 4 22 to distances less than 3280 feet 1...

Page 108: ...sage will be garbled If the green LED does not stay on permanently the DECmux II is faulty Return it for repair refer to Section 4 7 DIGITAL SERVICE 4 3 2 Green LED on Steady DSR Light Off RS 232 Line...

Page 109: ...DECmux II units form the failed composite link both must be configured as SLAVE This procedure checks the programmed settings only The MUXserver 100 also requires DIP switch settings to change from th...

Page 110: ...to the COM prompt 4 3 5 1 Diagnostic Tests with the Composite Link Installed On the MUXserver 100 With all the composite link components connected log on to the privileged mode of the supervisor port...

Page 111: ...5 Mux eNe o J r T LOCAL MODEM REMOTE MODEM REMOTE DECmux II TMODEM CABLE TEST REMOTE DIGITAL LOOPBACK TERMINAL TEST LOOPBACK TEST J ANALOG LOOPBACK Use TEST PORT n LOOPBACK Command DECmux II LOOPBACK...

Page 112: ...Network Installation Guide for pin con nection details connect Port A to Port B Using the SYSTEM com mand configure both Ports A and B as RS 422 with equal speed settings Similarly configure the DIP...

Page 113: ...lem ex ists in the remaining composite link components The next step is as follows For RS 422 composite links this can only mean a faulty cable or cable connections Che ck the connections as per the p...

Page 114: ...information about services offered by DIGITAL for problem resolution Problem 1 The terminal is receiving no power The terminal s power indicator is off Correction Be sure the terminal is plugged into...

Page 115: ...tion Manual for the correct cable pin assignments and maxhnum cable lengths Table 4 1 Terminal Behavior and Possible Problems Behavior Problem Problem Number No display No power to terminal 1 and nonr...

Page 116: ...2 3 4 7 9 Correction Following the procedure described in the terminal operator s guide set the terminal speed to match the speed speci fied in the server s database or modify the server s database t...

Page 117: ...tings of the terminal must be 8 bit character size and no parity 7 bit character size and even parity If you cannot set the ternlinal to one of these settings the termi nal cannot be used with a1lltob...

Page 118: ...Section 5 7 DEFINE SERVER This puts flow control in effect at the terminal s port on the server Ensure that the flow control characters XON CTRL Q and XOFF CTRL S are enabled at the terminal itself Re...

Page 119: ...n1 for the supervisor port indicates a checksum error The characteristics for the indicated ter minal no longer pass the internal checksum test The factory speci fied defaults are in effect Correction...

Page 120: ...ection Refer to the service node or PC documentation for infor mation about setting up characteristics for file transfers For exam ple on a VAXIVMS V4 0 service node use the following command to set u...

Page 121: ...node is not cor rectly mapped to the remote access port on the server Ensure that the VMS system manager has the correct value for the server NAME characteristic and for the port s NAME characteristi...

Page 122: ...the same problem appears to involve a num ber of service nodes and more than one server it may be an Ethernet malfunc tion refer to Section 4 6 PROBLEMS INVOLVING THE ETHERNET However if the problem o...

Page 123: ...range specified by the service node s system manager Correction Determine the correct circuit timer range Enter the SET SERVER CIRCUIT TIMER command to reset the timer value refer to Chapter 2 Sectio...

Page 124: ...rver software If the error messages appear again for CONNECT there may be a hardware problem affecting the random access mem ory RAM Refer to Section 4 6 PROBLEMS INVOLVING THE ETHERNET for informatio...

Page 125: ...s Guide contain details about the procedure 4 5 5 Service Node Not AvailClble The following message may appear when a terminal user tries to connect to a service Local 715 Serv ce name not currently a...

Page 126: ...et The command syntax is discussed in detail in Section 5 15 LOOP The server software displays either message 512 or 513 on your terminal to indicate whether this loopback test succeeds or fails If th...

Page 127: ...failed Also be prepared to describe the troubleshooting steps you took and any results these steps produced 4 7 2 Repackaging the Server for Shipment If you return the MUXserver 100 to DIGITAL for rep...

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Page 129: ...he syntax for MUXserver 100 cODlmands a keyword is a word that appears in uppercase letters A parameter is an optional part of the syntax A value is a number or word that you specify The preface discu...

Page 130: ...ted to three letters If you wish you can abbreviate keywords to fewer than three characters if the word remains unique Normal Response shows an example of the message you normally receive from the ser...

Page 131: ...ation terminal is logged out or if BROADCAST is disabled for the terminal Syntax BROADCAST PORT number message text where PORT number ALL rnessage text ALL specifies the ternlinal that receives your m...

Page 132: ...b directory These commands are used exclusively for setting up and monitoring the composite links and the remote DECmux II units Once this command is entered you are in the communications sub director...

Page 133: ...se this command to establish a session with a service Once the connection is established you remain in service mode until you enter the local switch charac ter until the service terminates the connect...

Page 134: ...est Use this option when another LAT terminal server offers services at its ports Enter the node name of the server with NODE node name Local CON Local CON SALES Local CON PORT 3 PRINTSERVICE Local CO...

Page 135: ...ctory NOTE A separate CONNECT command exists for establishing a connec tion from a user terminal to a node on the Ethernet See Section 5 4 This command is executed from the privileged mode communicati...

Page 136: ...to the first DECmux II unit on the A port The response is a request for the password for that DECmux II unit After the password is correctly entered commands for the remote DECmux II unit see Chapter...

Page 137: ...port The SET command alters the port characteristics in the server s oper ational database These changes take effect immediately but revert to the per manent characteristics at the next login With pri...

Page 138: ...ERVICE service name NONE FLOW CONTROL ENABLED DISABLED FORWARD SWITCH character NONE INACTIVITY LOGOUT ENABLED DISABLED INTERRUPT ENABLED DISABLED LOCAL SWITCH character NONE LOSS NOTIFICATION ENABLED...

Page 139: ...REMOTE allows access to the port device by ser vice node applications An interactive user cannot log into a REMOTE port The port device typi cally a line printer is under the control of a re mote ser...

Page 140: ...ce or preferred service and AUTOCONNECT ENABLED a connection is automatically made to the service when the port user logs in The default for AUTOCONNECT is DISABLED AUTOPROMPT determines whether a sys...

Page 141: ...pecified and AUTOCONNECT is automatically ENABLED The default is NONE This is privileged FLOW CONTROL specifies whether the port recognizes XON XOFF characters that temporarily inhibit and then restar...

Page 142: ...t until the remote session ends or until it is disconnected at the MUXserver 100 privi leged port The default is ENABLED This is a privi leged parameter INTERRUPT applies only to ports with ACCESS set...

Page 143: ...at the port includes the prompt and a bell sound At the prompt the user must enter the login password as set by the DEFINE SET SERVER LOGIN PASSWORD command An incorrect pass word terminates the logi...

Page 144: ...line from the top of the screen Terminals in the DIGITAL VT100 and VT200 series can be set up as type ANSI HARDCOPY for use with paper output devices The delete key echoes deleted characters between b...

Page 145: ...he port user to interrupt a reIJ lote session The options in the second example affect how port eight can be used in service mode and are in effect only until the port is logged out In the third examp...

Page 146: ...BEAT ENABLED DISABLED IDENTIFICATION identification INACTIVITY TIMER mins KEEPALIVE TIMER secs LOCK ENABLED DISABLED LOGIN LIMIT number LIMIT NONE LOGIN PASSWORD NAME server name NUMBER number PRIVILE...

Page 147: ...supervi sor port specifies whether up line dumping of server memory is performed when a fatal bugcheck occurs The de fault is ENABLED specifies whether the server checks collision detec tion circuitry...

Page 148: ...s chapter If you enter DISABLED interactive users cannot use the LOCK command to lock their ports If security is an important consider ation use the default value ENABLED to permit the port users lock...

Page 149: ...ard characters The default is LAT_xxxxxxxxxxxx where xxxxxxxxxxxx is the Ethernet address for the MUXserver 100 The Ethernet address appears on the back of the MUXserver 100 hardware unit Also the har...

Page 150: ...erification prompt appear Enter the same string in response to both prompts Here is an example using the password AIB2C3 Local DEFINE SERVER PRIVILEGED PASSWORD Password A1B2C3 Verification A1B2C3 Err...

Page 151: ...detai1s Local Local DEF SER NAME SALES 4 IDENT TECH SALES SET SER CIR 60 KEE 30 Error Response Local 728 Parameter cannot be modified with connection established Local 730 Parameter cannot be modified...

Page 152: ...You cannot use this option if you specify a port number ALL specifies that all sessions associated with the port are to be disconnected Examples Local Local Local DIS DIS SES 1 DIS ALL The first comm...

Page 153: ...connected to a remote DECmux II unit A CONTROL C character or EXIT will also disconnect you from a remote DECmux II unit Syntax AI DISCONNECT Example A1 DISCONNECT COM Error Response You are not conne...

Page 154: ...f the most frequently used commands nonprivileged status or the entire MUXserver 100 command set privileged status If you are in the comnlunications sub directory that is COM prompt the HELP command w...

Page 155: ...is running If errors occurred these will be displayed on the supervisor port terminal Off the self test failed A fatal hardware error was detected If the value for COUNT is greater than 1 several rep...

Page 156: ...er COUNT LOOP INITIALIZE CANCEL Examples allows the self test you choose to repeat n times The number n can range from 1 to 32767 and the default is 1 specifies that the self test is to run indefinite...

Page 157: ...sed until you enter the correct password When you type the correct pass word the port is unlocked and the Local prompt returns If you type an in correct password the password prompt is reissued Syntax...

Page 158: ...is privileged Local LOG POR 1 The command logs out terminal 1 and disconnects all service sessions for the terminal Normal Response on the logged out tenninal Local 020 Logged out port 1 5 15 LOOP Us...

Page 159: ...ndicates that the node with address2 relays both the out going and returning transmissions between the node with addressl and the server specifies the Ethernet address of the node that supports the TR...

Page 160: ...I video terminal Enter MAP to produce a display showing blocks of information for each mul tiplexer known in the Network Syntax COM MAP MAP Example Mult plaxar port Map Mux B2 up Self Master up 234 5...

Page 161: ...s are changed by typing new letters on the third line Use the space bar to move forward and the RUBOUT DELETE or BACKSPACE keys to move backwards Type letters or a period to change entries The RETURN...

Page 162: ...ort 1 of B2 is mapped to Port 1 of AI Because of these connections Ports 2 3 10 and 11 of the MUXserver 100 are not used NOTE The system generates its own link numbering scheme based on the informatio...

Page 163: ...ports on the same multiplexer are mapped together or if a port is mapped to nowhere 5 18 MONITOR COMMUN CATIONS Use this command to provide a continuously updated SHOW COMMUNICA TIONS display This is...

Page 164: ...TOR COUNTERS NOTE If your terminal is a video terminal that supports ANSI escape se quences set the terminal to TYPE ANSI for the optimal display of the MONITOR command 5 20 MONITOR QUEUE Use this com...

Page 165: ...de that requested the remote session The message indicates that the entry has been deleted Syntax REMOVE QUEUE ENTRY entry ID where entry ID ALL Example ALL is the entry identification number that app...

Page 166: ...and INITIALIZE DELAY 0 on the MUXserver 100 and a power off and on on all DECmux II units Its func tion is to implement parameters changed in the MAP and SYSTEM com mands Note changes must be saved us...

Page 167: ...h to restart Obtain session numbers by entering the SHOW SESSIONS com mand By entering RESUME with no number the server resumes the top session in the SHOW SESSIONS dis play list RES RES SES 3 The fir...

Page 168: ...It must be executed after any change of parameters made using the MAP or SYSTEM commands To transfer these parameters to the operational data base follow the SAVE command with the RESTART command Synt...

Page 169: ...ered the privileged mode correctly the prompt becomes LOCAL Syntax SET PRIVILEGED OVERRID E Password password where OVERRIDE allows the supervisor port or remote console to transfer the privileged sta...

Page 170: ...rupted by extraneous data and that unintentional session switching does not occur These are the special MUXserver 100 characters and messages XOF and XON flow control characters LOCAL FORWARD and BACK...

Page 171: ...es transmit ted and received by the server on the composite links The counters represent data accumulated since the server was initialized If a communications counter reaches 65535 it is then reset to...

Page 172: ...itted which contain user data Number of errors detected in errors transmitted A high count usually indicated a Transmit Clock problem No response was received by the MUXserver 100 from a DECmux II uni...

Page 173: ...2 Coll s ons 1223 Excess ve Coll s ons 1728681 Carr er Check Fa lure 789753 Frame Too Long 12891 Heartbeat Absent 11627 Late Coll s on 1781 Data Underrun 196 Block Check Error 178 Fram ng Error 2 Dat...

Page 174: ...smitted by the server shows the nunlber of bytes received by the server that were transmitted in multicast frames shows the number of bytes transmitted by the server in multicast frames shows the tota...

Page 175: ...received frame failed the CRC data integrity check shows the number of times a frame was received with one or more incomplete bytes shows the number of times server hardware lost an in coming frame b...

Page 176: ...this command to display information about the service nodes in the server Nodes are authorized or unauthorized depending upon group code access They are reachable or unreachable depending upon whether...

Page 177: ...nreachable 32Connected Anncluncement HDWENG METOAT SALES Hardware Eng ne ring Weather Dat VAX 11 780 System Normal Response for SHOW NOD SALES SALES 32Connected SALES VAX 11 780 System Physical Addres...

Page 178: ...from recently gives a brief description about the service node as entered by the system manager lists the Ethernet address of the service node lists the number of LAT messages successfully received b...

Page 179: ...r ALL ACCESS BRIEF FULL ACCESS DYNAMIC FULL NONE REMOTE ALL specifies a partieular port for which information is dis played The nUIltber must be in the range 1 to 8 If you enter show port only the def...

Page 180: ...on NONE Group Codes 0 255 0 255 5 32 SHOW QUEUE DIS Char She NONE ParHy ENA I IP Speed ENA I P Flow DIS O P Speed 4 O P Flow ENA Fram ng Errors ANSI Par ty Errors ENA Overrun Errors 8 8 NONE NONE 9600...

Page 181: ...he system manager of the requesting service node 5 33 SHOW SERVER Use this command to display information about the MUXserver 100 The command displays server characteristics that are stored in the ser...

Page 182: ...Normal Response for privileged SHOW SERVER command Address AA 00 03 49 F1 00 Name Marketing Pod location BlDNG 4 SECT 2 Software AUSPOSOOO Number Circuit Timer KeepaHve Timer Console Port login limit...

Page 183: ...2 digit hardware status code The code is nonzero if a fatal hardware error was detected during the self test at the last initialization This code normally does not appear unless the error is intermit...

Page 184: ...rupt a SHOW SERVICES display with BREAK The local prompt reappears Syntax where SHOW SERVICES service name ALL service name displays a list of all nodes that supply the specified ser vice Included in...

Page 185: ...METDATA SALES Hardware Engineering Weather Programs VAX 11 780 System Here are descriptions of the headings in the SHOW SERVICES displays Service Name Node Name Service Status shows the title that ide...

Page 186: ...ed out The node may also specifically signal that it is unreachable nn Connected shows that nn sessions with this node are currently active and that the node is reachable Unknown indicates that no ses...

Page 187: ...minal you are using You can interrupt a SHOW SESSIONS display with BREAK The local prompt reappears Syntax SHOW SESSIONS PORT nUDlber ALL where PORT number displays a list of sessions for the specifie...

Page 188: ...EVELOP VAX 11 780 SYSTEM Weather Programs VAX 11 780 System Local Mode Software Development Local Mode Connected METDATA We ther Programs Local Mode Hardware Engineering VAX 11 780 System Local Mode W...

Page 189: ...from the privileged communications sub directory that is in response to the COM prompt and displays information about the composite communications links The display shows the Master or Slave Status o...

Page 190: ...SERRORS CD XMIT XMrT ERRORSOUTS Port A 2619 2523 0 Port B 1233 1145 8 5 39 START TEST o 7 ON ON ON ON 2326 2215 0 1244 1236 0 Use this command as a tool to test a port s operation 4 2 The command gene...

Page 191: ...o not specify a number lines appear until you stop the output Local START TES POR 8 WID 32 COU 5 Local START TES The first command causes port 8 to receive a stream of five lines of keyboard character...

Page 192: ...minates testing Local STO TES PORT 3 This command stops TEST TERMINAL activity at terminal 3 Normal Response Local 511 Test complet 6000 bytes written o error s detected Error Response Local 732 Port...

Page 193: ...ing is required refer to the MUXserver 100 Network Installation Manual Chapter 1 Section 1 7 When changing line type DIP switches have to be configured inside the MUXserver 100 See Chapter 2 Sec tion...

Page 194: ...ed from the privileged communications sub directory that is in response to the COM prompt and is used to test the composite communications links It requires an ANSI terminal to display correctly The e...

Page 195: ...232 or RS 422 This test requires an external loopback for any port being tested The loopback can be An H325 loopback connector A modem with internal loopback A modem with remote loopback A DECmux II...

Page 196: ...thernet server and termi nals This is a privileged command ZERO COUNTERS does not zero the uptime counter in the SHOW SERVER display This is reset only after an initialization or power up of the MUXse...

Page 197: ...DECmux II unit has three indicators one on the front bezel and two on the rear connector panel Their locations are shown in Figure 6 1 6 1 1 1 Start up Indicator The green LED start up indicator locat...

Page 198: ...o a modem on the respective composite port The OFF state indicates that the modem is either in the process of connecting or not connected 6 1 2 Controls All DECmux II control functions are executed by...

Page 199: ...CS 5371 Figure 6 1 DEcmu llindicato rs CHAPTER 6 OEC 1lUX OPERATION 3...

Page 200: ...e installed with the same firmware version number The series of characters on the next line that is 012345678 indicates the execution and completion of the sub tests of the DECmux II start up diagnos...

Page 201: ...6 3 3 respectively The following commands can be executed by means of the CONNECT command on remote devices Command Section COPY 6 3 2 DISCONNECT 6 3 3 HELP 6 3 5 MAP 6 3 6 MAPHELP 6 3 7 PASSWORD 6 3...

Page 202: ...er and wish to save the new value be sure to use the SAVE command Refer to Section 6 3 11 for SAVE command operation NOTE After you have finished with the command processor be sure to log out Failure...

Page 203: ...00 appears on the MAP as two units It is only possible to connect to one of these labeled MASTER Attempting to connect to the other will give the message Remote Mux Busy 6 3 2 COpy Command This comman...

Page 204: ...ning if the operator has not previously completed a CONNECT command successfully and will indicate such with a suitable error message Syntax DISCONNECT Example A1 DIS SYS 6 3 4 EXIT Command The EXIT c...

Page 205: ...ervisory mode Display this text Display and change port mapping Instructions for use of Map command Change password Change port parameters requires port number or US for supervisory port Restart multi...

Page 206: ...heir status First line defi nitions are as follows Self Xn MASTER UP DOWN The DECmux II unit to which the supervisor port is cur rently connected This can be a physical connection or a logical connect...

Page 207: ...rvisor port of DECmux II Al in the multiplexer configuration shown in Chapter 1 Figure 1 4 The Bl and B2 MUX displays are in fact the MUXserver 100 To change the MAP you must connect to B2 the MASTER...

Page 208: ...to be exited and the SYS prompt to be given providing the mapping parameters are valid The SAVE command must be entered see Section 6 3 11 to retain the new nlapping parameters in the non volatile me...

Page 209: ...ther Use blank to move to the r ght backspace or delete to move to the left Any letter or number shows a mapp ng port Control Z term nates nput shows an unused Each port must map to exactly one other...

Page 210: ...erification of the new password as shown below If the old password is not correct or the two entries do not match then the password will not be changed Neither the new or old passwords will be echoed...

Page 211: ...al DECmux II features for example DTR DSR flow control can be set through the supervisor port of the DECmux II unit using the PORT command Syntax PORT Port Number Parameters Port Number Is the asynchr...

Page 212: ...T Note 4 TERMINAL NOTE 1 AUTOBAUD should not be used for asynchronous lines mapped to a MUXserver 100 The AUTOBAUD option should only be used on DECmux II to DECmux II connections and in such cases is...

Page 213: ...hangups Do not use this feature when connected to the MUXserver 100 Example SYS PORT 4 Port speed baud 4800 Opt ons AUTOBAUD 75 110 134 5 150 300 600 1200 1800 2000 2400 4800 9600 9 6K 1 200 19 2K 12...

Page 214: ...restart will disrupt network users Do you really want to rastart NO Y Restarting DFMZA Startup test Firmware Version Vx x xx 6 3 11 SAVE Command The SAVE command stores all the current asynchronous a...

Page 215: ...rial number SNXXXXXX Port A 38400 baud long l ne driver Port B 38400 baud long l ne driver Port Speed Data b ts Parity Stop bits Flow control Echo Modem Connect on 0 9600 8 NONE 1 XON XOFF OFF NO TERM...

Page 216: ...XMIT XMIT ERRORS Port A 2619 2523 0 0 ON ON 2326 2215 0 Port B 1233 1145 8 7 ON ON 1244 1236 0 SYS XMIT TIME OUTS 4 2 In normal operation over good quality communication channels the error rate ratio...

Page 217: ...mode of the MUXserver 100 All units are supplied default as SLAVEs For all DECmux II units ensU re that this param eter is set to SLAVE This command does not alter the operational parameters of the co...

Page 218: ...peed 9600 Long l ne dr ver NO Modem YES Opt ons YES NO Modem YES Master or Slave mux MASTER Opt ons MASTER SLAVE Master or Slave mux MASTER SLAVE SYS NOTE In long line drive mode the B port provides t...

Page 219: ...n and for this reason the operator is warned of this effect and asked to verify the operation as shown below When maintenance mode is successfully entered the test menu will be dis played The eight of...

Page 220: ...omposite port internaL Logic test 6 Broadcast test 7 Echo test 8 Modem controL test 6 4 ASYNCHRONOUS PORT MODEM CONTROL NOTE No Modem control should be selected for any port connected to a MUXserver 1...

Page 221: ...any way The CD RI CTS inputs are ignored in this mode If the asynchronous link XON XOFF flow control is enabled and NO MODEM control is selected at either the local or remote ports then DTR will be as...

Page 222: ......

Page 223: ...le B UART Transmit Heceive Tests Module C Network Interface NI Transmit Receive Tests Module D Hardware Exerciser The Self Test diagnostic is a step by step probe of the Server hardware with each test...

Page 224: ...dified moving inversion algorithm This test is performed only if the long memory test DIAGNOSE FULL is set in the INITIALIZE Mode see Chapter 5 Section 5 12 INITIALIZE Command or in Manufacturing Mode...

Page 225: ...e error Test 3 Collision Test Transmits a data frame with the Collision Detect bit set in the Mode Register The LANCE should set the Retry Error bit after the 16th detection and retry failure of the t...

Page 226: ...N and pushes a status parameter longword onto the stack identifying the error for later evaluation by the Server software Hard errors are failures that can disable the Server or cause unreliable or un...

Page 227: ...O LANCE revision area of EEPROM area is considered to be a soft error LANCE Error When the Server is operating in the externalloopback mode Self Test flags an external loop failure in the status longw...

Page 228: ...Not used EEPROM Checksum Error in the ECO LANCE revision area NI Heartbeat Error NI External Loopback Error EEPROM Checksum Error in the diagnostic test parameter area EEPROM Checksum Error in the Se...

Page 229: ...Program ROM eRC Error EEPROM Checksum Error in the ECO LANCE revision area Timer Error JAM Error LANCE Error Supervisor Port Error Communications Processor or Shared Memory Error Communications Ports...

Page 230: ...re in Program ROM A checksum error in the ECO LANCE revision area of EEPROM Any failure detected by the Refresh or Watchdog Timer tests The test failed to unjam from Program ROM and con tinue from Pro...

Page 231: ...correct Character Receive Timeout Transmit Timeout Unexpected Rx Interrupt Unexpected Tx Interrupt LANCE Internal Loopback Test with Multiple Data Frames LANCE Accept Broadcast Address Test Transmit C...

Page 232: ...e Rom Checksum failure Clock Interrupt failure Communication DMA failure 7 1 30DT To enable some indications of the cause of a test failure the MUXserver 100 enters aDT mode To enter aDT by choice ent...

Page 233: ...change is desired pressing RETURN closes the location ODT returns the asterisk prompt and another command may be issued If the contents of the currently open word location are to be changed type the...

Page 234: ...closes the location ODT returns the asterisk prompt and another command may be issued If the contents of the currently open byte location are to be changed type the new contents before pressing RETUR...

Page 235: ...represents a hexadecimal digit Register A7 is always the Supervisor Stack Pointer because the Self Test and LAT progranls execute in the Supervisor mode For a failure in TEST Mode the contents of the...

Page 236: ...rver 100 OR 2ND DECmux II DECmux LOOPBACK TEST Use loopback connector H325 t MODEM CABLE TEST ANALOG LOOPBACK TEST REMOTE DIGITAL LOOPBACK TEST Figure 7 1 DECmux II Loopback Points 14 CHAPTER 7 DIAGNO...

Page 237: ...start the systenl type RETURN at the Test Menu This will cause the multiplexer to reinitialize Syntax TEST Example SYS TEST WARNING test ng w ll destroy all user l nks end requ re e OFMZA restert Do y...

Page 238: ...8 PARITY N STOP BTS 1 Port No 5 SPEED 75 CHAR LEN 5 PARITY 0 STOP BTS 1 5 Port No 7 SPEED 4800 CHAR LEN 8 PARITY N STOP BTS 1 Port No Figure 7 2 a Asynchronous Port External Test DFMZA 8 LINE STAT MUX...

Page 239: ...SS 11 Figure 7 3 Asynchronous Internal Logic Test 7 2 2 4 Offline Test 4 Composite ElCternal Port Test This test requests the operator to select the composite port to be tested A B or both as shown in...

Page 240: ...in connectors 2 At a remote DECmux II unit If the remote connection is to a B port then insert the test cable 70 20984 01 between the B port and the cable end Note that the second DECmux II unit must...

Page 241: ...line Test 5 Composite Internal Logic Test This test is the same as Offline Test 4 except that both channels are always tested and the loopback is internal See Section 7 2 2 4 7 2 2 6 Offline Test 6 Br...

Page 242: ...UVVXYZ THE QUICK BROVN FOX JUMPS OVER THE LAZY DOG 0123456789ABCDEFGHIJKLMNOPQRSTUVVXYZ THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG 0123456789ABCDEFGHIJKLMNOPQRSTUVVXYZ THE QUICK BROVN FOX JUMPS OVER...

Page 243: ...he terminal exactly as input DFMZA 8 LINE STAT MUX OFFLINE DIAGNOSTIC Echo test Port No 0 1 2 3 4 5 6 7 SPEED 9600 4800 ERR 300 110 ERR ERR 1200 CHAR LEN 8 8 7 7 8 STOP BTS 1 1 2 2 1 PARITY N N 0 E N...

Page 244: ...DFMZA 8 LINE STAT MUX OFFLINE DIAGNOSTIC Modem control test PASS 109 Figure 7 7 Composite and Asynchronous Port Modem Control Test 24 CHAPTER 7 DIAGNOSTICS...

Page 245: ...I JIT Dimensions Weight Power DSRZA BA 110V nominal Fuse DSRZA BB 240V nominal Fuse 3 75 in 9 525 cm high 18 in 45 72 cm wide 12 in 30 48 cm deep 15 lbs 6 8 kg Single phase 3 wire 90 128V RMS 50 60 Hz...

Page 246: ...0 Hz Line Frequency 0 75 A tin1e delay 15W typical 33W maximum Eleven RS 232 C 25 pin connectors Eight Asynchronous ports two Composite ports one Supervisor port Two RS 422 A 9 pin connectors Two Comp...

Page 247: ...vailabl e modems 1200 2400 4800 9600 19200 and 38400 baud 38400 baud for RS 422 only 8 2 3 Asynchronous Ports Physical Format Protocol Speed Total of eight ports Each port is terminated at DB25 P CCIT...

Page 248: ...ynchronous port terminating at DB25 P RS 232 C connector Asynchronous start stop having eight data bits one stop bit no parity Full duplex with XON XOFF flow control Selectable from one of the followi...

Page 249: ...age The message codes help categorize the messages You can disable the codes for any terminal using the SET TERMINAL or DEFINE TERMINAL command refer to Chapter 5 MUXserver 100 COMMAND DESCRIPTIONS Th...

Page 250: ...rvisor Port messages status and error messages issued from the MUXserver 100 ROM software All MUXserver 100 messages appear in one of two formats If the 3 digit mes sage codes represented by nnn are e...

Page 251: ...name Issued following a normal termination of a session for example one ter minated with the DISCONNECT command This message only appears if VERIFICATION is enabled Local 012 name session n resumed Is...

Page 252: ...est and the number of errors or data discrepancies detected The number of errors would normally be zero Refer to Chapter 4 Section 4 3 PROBLEMS INVOLVING THE COMPOSITE LINKS if the number of errors is...

Page 253: ...efer to Chapter 2 Section 2 5 SETTING UP THE COMPOSITE LINK PARAMETERS to set up a local switch character Local 601 Internal memory error in terminal parametelrs System defaults in effect Issued durin...

Page 254: ...t respond within 10 seconds The probable cause is that the service node is down This condition causes the service node status to change to UNREACHABLE Refer to Chapter 4 Section 4 5 PROBLEMS INVOLVING...

Page 255: ...1 Insufficient node resources nn 22 System shutdown in progress nn 23 Node user disconnect nn 24 Circuit timer out of range nn 25 Invalid service class nn 26 Invalid message or slot received nn 27 Tim...

Page 256: ...or Messages Message Codes 700 799 Local 701 Command syntax error Issued when a command is entered incorrectly The keyword is recog nized but the command options do not follow the correct syntax or no...

Page 257: ...Appears when you specify a nonexistent entry in the REMOVE QUEUE command Use SHOW QUEUE to check the queue entries Local 710 Node name not known Appears when the node name specified in the SHOW NODES...

Page 258: ...No preferred or dedicated service has been set up Local 715 Service name not currently available Issued when a CONNECT command is entered or autoconnect at tempted and no node offering the specified s...

Page 259: ...e server there should be no resource problems A user always has access to at least ONE session Chapter 2 Section 2 7 1 Session Control Characteristics discusses group codes local 722 Server disabled A...

Page 260: ...mically Appears if a characteristic specified in a SET PORT command cannot be nlodified using SET PORT Use DEFINE PORT to change the charac teristic The change takes effect when the terminal user next...

Page 261: ...PASSWORD DEFINE LOGIN PASSWORD SET LOGIN PASSWORD LOCK Re enter the comlnand with the correct password or password syntax Local 742 Password verification error Appears for a LOCK SET PASSWORD or DEFIN...

Page 262: ...ernal ROM software The current hardware revision level LocaL 902 Waiting for image Load Issued after the server sends a request for Ioad to load hosts One display of this message is normal for each in...

Page 263: ...sage 913 After the fatal error internal ROM software uses the current console terminal characteristics for status messages Following up line dump the supervisor port terminal characteristics are reset...

Page 264: ...pears if a down line load sequence is interrupted and a load message is not received for 30 seconds The load sequence is restarted Refer to Chapter 4 Section 4 2 4 Downline Loading Problems Local 913...

Page 265: ...ROBLEMS INVOLVING SERVICE NODES Local 916 Illegal load mage load aborted Appears if the server software being down line loaded specifies illegal sec tions of MUXserver 100 menlory Ask the system manag...

Page 266: ......

Page 267: ...he communications processor appear on the Supervisor Port Ambiguous or illegal command The command interpreter could not understand what was typed after a prompt Retype the command see HELP for a list...

Page 268: ...Retype the PORT command with a valid port identifier Only one connection at a time please The CONNECT command does not allow a connection from a MUX you are connected to DISCONNECT and try again Only...

Page 269: ...connector in a composite link port or a modem set to loopback mode The A port on every multiplexer must be connected to the B port on another multiplexer The port map has not been loaded from the Mast...

Page 270: ...g 3 Carrier Detect Status 4 Synchronization Status 5 Clear to Send Status Data compare error The data received was different from that sent but no eRe error was detected Indicates DFMZA hardware probl...

Page 271: ...r has been detected Call DIGITAL Field Service Message out of order The test fratues are nmubered If a frame is lost or if an extra frame is inserted this message will appear It is usually accompanied...

Page 272: ...ort N Loopback connector missing Test 2 or Hardware error Test 2 3 Transmit flag failed to set on port N Hardware error Unexpected receive character from port N Character typed on port N during Test 2...

Page 273: ...R signal A typical message is Port 2 DTR OFF found DSR CD RI on Messages will occur repeatedly for any port which does not have a loopback connector in place If a message occurs for a port which has a...

Page 274: ......

Page 275: ...e Public Data Network database An area of MUXserver 100 memory that holds the terminal and server characteristics There are two databases of this kind the perma nent database and the operational datab...

Page 276: ...e loading up line dumping and maintenance nlessages Unlike the server LAT software instructions stored in ROM are not down line loaded self test A diagnostic test that verifies MUXserver 100 hardware...

Page 277: ...esponse on the five point scale where 1 POOR and 5 EXCELLENT a Accuracy b Completeness c Usefulness of Examples Figures d Clearness of Language e Helpfulness of Index Table of Contents f Consistency i...

Page 278: ...R EPLY MAIL l___ s _ LA s RMIT NO 33 M _ARD MA POSTAGE WILL BE PAID BY ADDRESSEE Digital Equipment Corporation Computer Special Systems Technical Documentation Department 55 Northeastern Blvd Nashua...

Page 279: ...Digital Equipment Corporatlon Nashua NH 03062...

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