Blackbox MX864A Page 61 Manual Download

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1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746

Summary of Contents for MX864A

Page 1: ...support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox c...

Page 2: ...is operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever m...

Page 3: ...de aire por los orificios de ventilaci n 10 El equipo el ctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplific...

Page 4: ...TRADEMARKS USED IN THIS MANUAL 3 TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners...

Page 5: ...5 3 6 4 Power Connection 16 3 7 Powering On the Mux 16 3 8 Stat Mux Configuration Information 16 3 8 1 Introduction 16 3 8 2 Configuration Information 16 3 8 3 Outline of Configuration Program 19 3 9...

Page 6: ...onfiguration Record 52 Appendix C Quick Start Guide 55 C 1 How to Use This Appendix 55 C 2 What You Need 55 C 3 Configuration Instructions 55 C 3 1 Local Configuration 55 C 3 2 Transfer Configuration...

Page 7: ...e RS 232 sync Connectors MX864A Channel 4 RJ 45 Composite 1 DB25 male DTE MX866A Channel 8 RJ 45 Composite 1 DB25 male DTE MX868A Channel 24 RJ 45 1 DB25 male DTE Indicators MX864A 9 LEDs 1 Power 4 Po...

Page 8: ...The Stat 4 Stat 8 and Stat 24 permit full system configuration including configuration downloading from the local stat mux to the remote stat mux and vice versa from any sub channel port The stat mux...

Page 9: ...versus sub channel traffic statistics and allowable delay The composite data is sent via modems to the remote Stat 24 where it is demultiplexed and distributed to the local users at their nominal rate...

Page 10: ...dation over a wide range of temperatures 32 to 122 F 0 to 50 C at relative humidities up to 95 non condensing Grounding The stat muxes have a rear ground screw which is used for grounding all the meta...

Page 11: ...r allows adapting the stat mux to the modem connected to the composite main link connector The jumper has two positions PIN 21 ON Set the jumper to this position when the modem uses pin 21 as a remote...

Page 12: ...gure 3 1 or 3 2 and identify jumper locations and settings Change the settings as required 3 Reinstall the stat mux cover and install and tighten the screws Figure 3 1 Stat 4 and Stat 8 internal jumpe...

Page 13: ...rom AC power while performing the following procedures 3 5 1 INSTALLING A SINGLE STAT 8 The rack adapter kit for single mux installation includes one short bracket and one long bracket Fasten the brac...

Page 14: ...teps 2 and 3 above for the other U bracket 5 Hold the second mux close to the left wall of the opened rack and using a screwdriver drive the four screws until their ends emerge from the left wall and...

Page 15: ...STAT 4 STAT 8 AND STAT 24 14 Figure 3 4 Installing two Stat 8 muxes side by side...

Page 16: ...standard DB25 connector serving the main channel located on the rear panel and RJ 45 connectors located on the front panel for the sub channels 3 6 2 SUB CHANNEL CONNECTIONS Stat mux sub channel inte...

Page 17: ...ction functions System management functions used to save store selected parameters transfer configurations between the local and remote units activate new configurations and select passwords 3 Diagnos...

Page 18: ...letters control characters 2 X ON CONTROL When using 11H DC1 11H CHARACTER software flow 12H DC2 control causes 13H DC3 the receiving 14H DC4 terminal to start 91H data transfer 92H 93H 94H 3 X OFF C...

Page 19: ...pace Mark data frame None 4 STOP BITS Number of stop 1 1 5 2 1 bits in sub channel data frame 5 STAT MUX TO Controls software On On DTE SOFTWARE flow control function Off FLOW CONTROL at the local end...

Page 20: ...CHAPTER 3 Installation 19 3 8 3 OUTLINE OF CONFIGURATION PROGRAM The organization tree of the configuration program is shown in Figure 3 6...

Page 21: ...STAT 4 STAT 8 AND STAT 24 20 Figure 3 6 Configuration tree...

Page 22: ...CHAPTER 3 Installation 21...

Page 23: ...tages are used preparing for configuration transferring to remote stat mux and activating transferred configuration When changing parameters related to the communication format of the sub channel used...

Page 24: ...nsfer through the sub channel used by your terminal its TEST indicator lights and the opening screen Figure 3 7 appears NOTE Remember that any change in the communication parameters of a sub channel t...

Page 25: ...this point on whenever you want to end the configuration session press Q as many times as necessary to obtain the following message or press ESC EXIT COMMAND MODE STM IS IN NORMAL MODE COMMAND MODE I...

Page 26: ...Screen 31 12 STOP BITS Screen 31 13 STAT MUX TO DTE SOFTWARE FLOW CONTROL Screen 31 14 END TO END SOFTWARE FLOW CONTROL Screen 32 15 END TO END DTR FLOW CONTROL Screen 33 16 RTS CONTROL PASS Screen 3...

Page 27: ...of the command sub channel as the last item 3 DISPLAY LOCAL CHANNELS Used to display information regarding local stat mux CONFIGURATION configuration For Stat 24 the information appears on three conse...

Page 28: ...rresponding code number the stat mux will switch to the corresponding screen Type Q to return to the main menu 3 X ON Control Character Screen Purpose View the character currently used to start data t...

Page 29: ...s activated after you verify it Description The screen prompts you to enter the new password any two characters except the characters serving as X ON and X OFF flow control characters or exit to the S...

Page 30: ...channels Screen selections are as follows enter 00 to select the local sub channel parameters duplication option To select a local sub channel for configuration enter the number of the required sub c...

Page 31: ...ON screen 8 The CURRENT STATE line shows the current sub channel rate Procedure To change sub channel rate type the appropriate code number The new selection appears in the CURRENT STATE line If you c...

Page 32: ...e line shows the current number of stop bits Procedure To change the number of stop bits type the appropriate code number The new selection appears in the Current State line If you changed the number...

Page 33: ...sed by the link transmission delay This is done by selecting the ON option on this screen The stat mux is then configured to recognize the two special characters selected via the screens presented in...

Page 34: ...ting OFF on this screen disables the transmission of flow control commands to the remote stat mux when the DTR line changes state Screen selections are as follows Code numbers 1 and 2 list the availab...

Page 35: ...nel Configuration screen Procedure 1 Type the number of the required source sub channel two digits for example 02 for sub channel 2 2 Type the two digit numbers of the first and last sub channels of t...

Page 36: ...type an incorrect number the following message will be displayed WRONG CHANNEL NUMBER ENTER THE REQUIRED CHANNEL NUMBER AGAIN 01 24 OR Q TO EXIT After reading the message enter again the correct value...

Page 37: ...21 above Description Code numbers 1 and 2 list the two possible conditions of the selected loop on or off Type Q to return to the loop selection screen from which this screen was accessed The Current...

Page 38: ...ration to the remote stat mux 3 PREPARE REMOTE STM Used to initiate preparation of remote stat mux CONFIGURATION configuration using the terminal connected to the local stat mux 4 DISPLAY LOCAL COPY O...

Page 39: ...Screen Purpose Define the action to be performed on the information about the configuration of the remote stat mux Table 3 7 Description of the Remote STM Configuration screen Code Item Description 1...

Page 40: ...o the remote stat mux for viewing it there or for back up purposes In most cases the screen is displayed for a very short interval under certain traffic conditions you may become aware of the transmis...

Page 41: ...figuration saved stored permanently in the local stat mux by selecting 2 on the Remote STM Configuration screen 25 Description The screen displays the local copy of the parameters selected for the rem...

Page 42: ...ions of the Stat 4 and Stat 8 indicators and connectors The numbers under the heading Item refer to the identification numbers in Figure 4 1 The Stat 4 has the same front panel as the Stat 8 except th...

Page 43: ...g the RESET button 4 OVF indicator Lights when STM buffers are full In a properly designed system this condition usually indicates that one of the DTE units connected to the stat mux does not respond...

Page 44: ...main composite channel connector 4 1 2 STAT 24 The Stat 24 is similar to the Stat 8 except it has 24 sub channels The functions of the Stat 24 controls indications and connectors are similar to those...

Page 45: ...ERR indicators must remain off Sub channel activity indicators flash according to the traffic load and go out when the sub channel is idle When the TEST indicator lights traffic is interrupted even if...

Page 46: ...agnostics function described in Chapter 5 to find the fault 4 SYNC flashes 1 Remote stat mux Check whether the remote stat mux is powered continuously operational on and operates normally MAIN indicat...

Page 47: ...te channel loop c Modem Loops 1 Analog loop 2 Remote digital loop option depends on characteristics of the composite channel modem The various test loops are identified in Figure 5 1 To find a problem...

Page 48: ...tion cable or with equipment connected to that sub channel 5 2 2 REMOTE LOOPS 1 Remote composite channel loop When the remote composite channel loop is connected the composite channel data transmitted...

Page 49: ...annel loop indicates a problem in the composite channel connection cable and or in the local modem 2 Remote digital modem loop When the remote digital modem loop is connected the composite channel dat...

Page 50: ...rom signal ground or connected to it refer to Section 3 3 102 AB 7 Signal Ground Common signal and DC power supply ground 103 BA 2 Transmit Data Serial digital transmit data from the stat mux 104 BB 3...

Page 51: ...ub Channel Interface Stat mux sub channel interfaces are configured as synchronous DCE RS 232 interfaces The sub channel connectors have RJ 45 sockets Table A 2 lists pin allocations Table A 2 Sub cha...

Page 52: ...port this pin they send data even if CTS is negative must have software flow control ability 109 CF 4 Data Carrier Positive level from stat mux when Detect the local and remote stat mux are synchroniz...

Page 53: ...ppendix B Stat Mux Configuration Record This appendix contains a typical configuration record form You can use this form as a worksheet when you plan your system configuration and as a permanent recor...

Page 54: ...No ___________________________________ System Password ______________________________ __________________________________________ Data X On Character _________________________ _________________________...

Page 55: ...8 AND STAT 24 54 Local Configuration Word Format Flow Control Sub Channel Data Data Parity Stop Stat Mux to End to End RTS DCD Transfer Rate Bits Bits Software Software DTE DTE 14 15 16 17 18 19 20 2...

Page 56: ...you just received a new stat mux use the following default parameters Baud Rate 9600 bps Format of Data Word 8 data bits no parity bit 1 stop bit To initialize the stat mux Turn the stat mux off Set i...

Page 57: ...remote stat mux must not be in the INIT position 1 Transfer the local configuration to the remote stat mux to make it available to the remote operator whenever necessary Use Transfer Configuration fr...

Page 58: ...of the remote stat mux The temporary storages are part of the RAM working memory serving the internal stat mux microcomputer where the microcomputer can easily access them to read and modify the conf...

Page 59: ...nfiguration from Local to Remote command 2 You can transfer the current configuration of the remote stat mux to the temporary remote configuration storage of the local stat mux This action is initiate...

Page 60: ...the Activate Remote STM Configuration command IMPORTANT Activating the new configuration always involves automatically resetting the stat mux After resetting the configuration is loaded into the worki...

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