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        CRS-300 1:10 REDUNDANCY SWITCH
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1.                                                                                                                                                            DB  9 Female DB  25 Male  Figure 1 5       x        System Controller Q    crc  0    ussera  sceveo      5 0377         46 Pass Through   IF Switch Contrd  AN      A A g                        5 1 5     C    PA                         SystenAlams CRS 230  DB  9          DB  25           25 Watts  250 mA  Figure 1 6  115 volt           T1A fuses  CRS 240       230 volt operation   use      5   fuses  Power Supply    35               5 0376         SS CRS 240                                    Module  BNC Male  2  DB 15 Male  Figure 1 7  EN   Ss  CRS 31 0 RMI Redundant Modem Intfc  RMI  P2 RS 310  G 703 Balanced  J1    ontine   a   gt  eee  HSSI   Negative ECL  To Redundant Modem  SCSI Female xu Male  5 Traffic Modem Intfc          CRS 320  Figure 1 8   CRS 320 TMI     1 9581 1  e User Data Interface To Traffic Modem  J1 P1  eoo00000000 0000    D         of  0000000000          9           5 232 422  V 35  LVDS    Faults  Comms  DB 25 Female DB 25 Male       CRS 300 1 10 Redundancy Switch                                                                                                        Revision 4  Introduction MN CRS300 IOM  DB 15 Male DB 25 Male  Figure 1 9   gt   ERE a0 TMI Traffic Modem          TMI  Faults  Comms  gt     6 CRS 330  To P2   PL 9033 1  Tame      woos B  pss   G  alance    703 Balanced     us            
2.                                                                                        x z H   H        3   H   8              E H            E E                 z   H        8         AS  5 5     a TRO ii     Y    S     t      1  9  gt   485 Pass Through      Switch Control 8  58       240 777 olf      In 5  2 Power Supply n 2    22     Module Remote Control System Alarms     CRS 230  ib              230    System Controller    CRS 280 IF Switch  Rear View     Figure 2 3  Control Cable Connection for CRS 280       2 8    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    Figure 2 4 shows the connection if the system requires both the CRS 280 and the  CRS 350     CRS 300 Data Switch                                                             100 240           CRS240    Power Supply  Module    CRS 350 ESC Switch    FF          CRS 280 IF Switch  Rear View        Figure 2 4  Control Cable Connection for CRS 350 and CRS 280       2 9    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 4 5 CRS 350 TO MODEM CABLES    Connect the cables from the modems to the back panel of the CRS 350 ESC Switch as  shown in Figure 2 5        CRS 350 ESC Switch       N      A                                              mazs E  mmmmmmmmmmmmmmmmms       a    a                                                S       CDM 600  Connected  to TMI  3                      CDM 600  Connected  4  to TMI  5                     
3.                                          6  A 5 Remote                 5                                                                                                                              7  APPENDIX B  CABLE DRAWINGS                                                                B 1  APPENDIX C  ADDRESSING 5                                                                                  C 1     Introduction                    C 1  C 2 Switch                                                                                                                                     C 1        Modem  amp  Transceiver Addresses                                 2222           2  C 3 1 Setting Up MOGGITIS    tote eese      tot conie                            5        2 Setting Up TratscelVels   cc                       5   9 99  IMG ZNDBIIEATIDETS                                             E E C 6    CRS 300 1 10 Redundancy Switch Revision 4    Preface MN CRS300 IOM  Figures  Figure 1 1  The Comtech EF Data 1 10 Redundancy Switch System                          1 1  Figure 1 2  Redundancy System Level Block                                                              1 5  Figure 1 3  CRS 300 Front Panel                   repere                 1   6  Figure 1 4  CRS 300 Rear Panel huh o eee n d be                                            1 7  Figure 1 5  CRS 230 System Controller      0377                                                      1 8  Figure 1 6  CRS 240 Power Sup
4.                                    Introduction MN CRS300 IOM  1       E     tf m   4 000 6 960   10   17 7                         o  s p t cy    B                          18 260        1 229     46   3 1   19 000   48   15 800   40                nj nd T  9 o            e                     1 073 1  en              l 16 869     42 8     Figure 1 16     CRS 280 Dimensional Envelope       CRS 300 1 10 Redundancy Switch Revision 4  Introduction MN CRS300 IOM                                                                                                                                          00             T  me 10 10 0 Nr         J  9    5 dp i   UP ii 5 210                      ji             m   7 62  J      g g              J                             502        09000000009 8           ay pi        090009 09 5 0  J Jt                                     Figure 1 17  CRS 350 Dimensional Envelope       CRS 300 1 10 Redundancy Switch Revision 4  Introduction MN CRS300 IOM    NOTES        1 18    Chapter 2  Installation and Initial Setup    2 1 UNPACKING AND INSPECTION    1 Inspect shipping containers for damage     If shipping containers are damaged  keep them until the contents of the shipment have  been carefully inspected and checked for normal operation     a       N    Remove the packing list from the outside of the shipping carton   Open the carton and remove the contents   Check the contents against the packing list to verify completeness of the shipment     If da
5.                     2 12  Dncccm EL C       M        4  Addressing Scheme  Information                           1  Alarm Masking 2      2 18  Applying Power To The Switch                               2 11  Automatic Mode Operation                                     2 17  B  Backup Holdoff                                                       2 17  Basic Protocol               ettet ete A 2      CABLE DRAWINGS                 eem B 1  Gotipaltibillty           2                 1 4                                EG 3 6    Configuring and Cabling For A Single Transponder 2 13  Configuring and Cabling For Multiple Transponders2 14    Configuring The IF                                         2 13  Configuring The Switch     2  2                   2 12  Connecting The                                                         2 4  Control Cable for optional CRS 280        CRS 350  2 8                                                   00122     3  CRS 300 Connector Pin outs                                 2 19  CRS 300 Description                                                1 6  CRS 350 External User 1                                           2 11  CRS 350 to Modem Cables                                    2 10  D  Description of                                                               1 6  E  EIA 232                 p HERR SEIL A 2  EIA 485             Vu be eee eet Lebe A 1  End of Packet        o eh erue cn eie A 6  External Data Connection                             
6.             2 7  F  Flash Upgrading                         n 3 24  Front Panel                                                                 3 1  Front Panel Keys                eterne 3 2  FRONT PANEL                                                     3 1  1  INFO                                  0      3 12  1  6                          2 1  Installation                                                                     2 2  Instruction Code                                                        A 5       L  LED  Indicators 22 2                      3 2  M                                                                            6  Manual Mode Operation                                         2 17  Menu Tree       iicet eei nte            3 3  Message                                                                    6  Modem Data                                                             2 5  Modem  amp  Transceiver             5                           C 2  MONITOR                      3 14      OPENING SCREEN                                                 3 5  Optional CRS 280 IF Switch Description                1 10  Optional CRS 350 ESC  ESC  Switch Description 1 11  P  Packet Structure                  2           A 3  Physical Cable                                                             2 4  Provide                            2 2  R  Rack Mounting Instructions                                      2 2  Redundancy System Level Block                    
7.          1 4  REMOTE CONTROL               eee A 1     7  Restore Holdoff Operation                                      2 18  S  Setting Up Modems                                                 C 5  Setting Up                                                           C 5  SPECICATION            Start of Packet  STORE LD  Store or Load Configuration               3 20  Switch             5             1  System                                                                   2 1                                                     0        3  TMI Module                                                           2 26  U  Unpacking and Inspection                                        2 1  UTIL  Utility  cscs celle eects eects          3 22  V  Verify Remote COM To Each Active Modem         2 13       CRS 300 1 10 Redundancy Switch Revision 4  Index MN CRS300 IOM    NOTES        METRIC CONVERSIONS    Units of Length                  fe  EE                                                     pe um                       pw               l                   Dm                                        pee pom          pm                                                  mem     pem RD  em p   pm     e       meree                                                                5                     F   32    0 555  32   Fahrenheit  water freezes       100  F         1 8    32  212   Fahrenheit  water boils   273 1   459 6   Fahrenheit  absolute 0     Units of Weight    Ounce Ounce Pound
8.         3 22  3 9 Flash Upgrading                                                                              3 24    CRS 300 1 10 Redundancy Switch Revision 4    Preface MN CRS300 IOM  Appendix A  REMOTE CONTROL                      444  44     4  8          1  A 1                                                                                                                                 1  A2   EIA 232        lt                                                                                                         2  A3                             2                                                                                              2  A 4 Packet Structure                                                                                                                               A 3  AA   Gontrollereto  Largel                                                3     4 2                0                           2 2 22                                3  AA 3         OB  Packel rrr rrt etc dra e               3        47                  o o c t e d ud o o              pee         4     4 5 Instruction                       000000                                                       5  A 4 6 Instruction Code                             5  A 4 7 Message                 5                      Uno ena dae                                                                            deeds    6     4 8 End                                           0  1        6 666         
9.      CRS 320 and CRS 340     Table 2 6  Data Connector                                                                         Pin   Generic Signal Direction EIA 422    V 35 EIA  Circuit  description EIA 530 232 No   1 Shield   Shield FG AA 101  2 Transmit Data A DTE to Modem SDA SDA BA 103  3 Receive Data A Modem to DTE RDA RDA BB 104  7 Signal Ground   56 56      102  8                              Modem to DTE RRA RLSD   CF 109  9                              Modem to DTE RTB SCRB   115  10   Receiver Ready    Modem to DTE RR B   109  11 Transmit Clock B DTE to Modem TT B SCTEB   113  12   Internal Transmit Clock      Modem to DTE STB SCTB   114  14   Transmit Data B DTE to Modem SDB SDB   103  15   Internal Transmit Clock      Modem to DTE STA SCTA DB 114  16   Receive Data B Modem to DTE RDB RDB   104  17   Receive Clock A Modem to DTE RTA SCRA DD 115  23   External Carrier Off DTE to Modem           EIA 232 1       TTL           24   Transmit Clock A DTE to Modem TTA SCTEA DA 113       Notes  1    2 DO NOT connect signals to pins which are not shown   these pins are reserved for    use by the redundancy system     B  signal lines are not used for EIA 232 applications    4 For X 21 operation  use the EIA 422 pins  but ignore Receive Clock if the Modem is    DTE  and ignore Transmit clocks if the Modem is DCE     Receiver Ready is an EIA 232 level control signal on a V 35 interface        2 22       CRS 300 1 10 Redundancy Switch    Introduction and Initial Setup    2 8 1
10.      Selection Description   CONFIG This menu branch permits the user to fully configure the Switch     Configuration    INFO This menu branch permits the user to view information on the Switch     Information  without having to go into configuration screens    MONITOR This menu branch permits the user to monitor the status of the Switch and  view the log of stored events for both the Switch and its attached modems    STORE LD This menu branch permits the user to store and to retrieve up to 10    Store Load  different Switch configurations    UTIL  Utility  This menu branch permits the user to perform miscellaneous functions              such as setting the Real time clock  adjusting the display brightness  etc           3 5    CRS 300 1 10 Redundancy Switch Revision 4    Front Panel Operation    3 4 3 CONFIG    MN CRS300 IOM    CONFIG  MANUAL AUTO OFF     OPTIONS REMOTE ACTIVE       The sub branches available are                                   Branch Function  MANUAL This menu sub branch permits the user to select which Traffic Modem the  Switch should bridge or backup   AUTO ON  This menu sub branch permits the user to turn auto mode off or on  The  AUTO OFF    currently selected state is always shown on this menu  OPTIONS This menu sub branch permits the user to set several operating parameters of  the Switch that pertain to enabling or disabling the availability of Traffic  Modems  the reporting of faults and time delays for responding to faults   REMOTE This menu sub 
11.     note that all arguments are ASCII numeric codes  that  is  ASCII codes between 48 and 57     Response to Command   target to controller     Query only  N A  x indicates the TMI RMI type detected in each slot position   0   none present   1  CRS 320  older    2   CRS 330   3   CRS 340  older    4   CRS 340  newer    5   CRS 370  HSSI    6   CRS 320  newer    7   CRS 310  the RMI   Example         21000000007    Query only  N A    Unit returns the current fault and status codes for the Switch  itself  where     r   Redundant Modem     0         1   RMI not present  2   RM I O timeout  3   RM  not in remote mode  4   RM is in a test mode    Power supply information  values 0 or 1 only              5V PSU A under over  B b    5V PSU B under over           12V PSU A under over  Did    12V PSU B under over           12V PSU A under over  F f    12V PSU B under over  m is         interface mismatch     0   no problem  1 9  A  for pos 10  indicates the position  of a        interface mismatch    115 modem       communications     0   no problem  1 9  A  for pos 10  indicates the position  of a modem which has been activated but is not  responding     A 15    Revision 4  MN CRS300 IOM    Query Response to query    Code         target to controller    qualifier    XMI  XMI XXXXXXXXXXX   see description of  arguments    FLT  FLT rAaBbCcDdEeFfmi   see description of  arguments     CRS 300 1 10 Redundancy Switch Revision 4  Remote Control MN CRS300 IOM    NOTES     A 16    Appendix   
12.     o      a  o  o        00000000        00000000                 SOAT SEA 22722 258    4               59    Front View Side View    022 540       Figure 2 7  CRS 370   55 to LVDS Module       2 26    Chapter 3  Front Panel Operation    3 1 FRONT PANEL DISPLAY    Users can fully control and monitor the CRS 300 from the front panel using the display  and keypad  The display has two lines each of 24 characters     COMTECH CRS 300 SWITCH    SN 021459243 VER 1 20       On most menu screens  users see a flashing  solid block cursor  This indicates the  currently selected item  digit  or field     CONFIG  MANUAL  BUTOI ON   OPTIONS REMOTE                    Where this solid block cursor would obscure the item being edited  for example      numeric field   the cursor will automatically change to an underline cursor     ACTIVE MODEMS   ENTER   123 56 8  10       To prevent the display from becoming burnt by a constant image  the unit employs a  screen saver feature  which activates after one hour  The top line of the display shows the  Switch ID  which can be entered by the user   and the bottom line shows the current  status of the Switch followed by the message  Press any key           Press any key          The message moves across the screen constantly  Press any key to restore the previous  screen        3 1    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 2 FRONT PANEL KEYS    The keypad contains six individual key  switches mounted behin
13.    Backup Holdoff BKH  2 bytes  numerical   Time   Restore Holdoff RSH  2 bytes  numerical   Time   Modem Alarm MAM  1 byte  numerical   Mask   Switch Alarm SAM  1 byte  numerical   Mask   Audio Alarm AAM  1 byte  numerical   Mask    Description of arguments     note that all arguments are ASCII numeric codes  that  is  ASCII codes between 48 and 57     Command or Query     The backup holdoff time is the delay when auto mode  prepares to backup a faulted modem     02 99     of seconds delay after Redundant Modem has  acquired Traffic Modem   s configuration before online swap  actually takes place    Command or Query     The restore holdoff time is the delay when auto mode  prepares to return a modem  previously faulted  now good   back online due to a different Traffic            5 failure     02 99     of seconds after offline Traffic Modem lost its fault  before it is put back online so that Redundant Modem can  bridge the newly faulted modem   Command or Query   x indicates the Modem alarm mask    0   no faults masked   1   Tx faults masked   2   Rx faults masked   3   Both Tx and Rx faults masked    Command or Query    x indicates the Switch alarm mask   0   no faults masked  1   PSU A faults masked  2   PSU B faults masked    Command or Query   x indicates the Audio alarm mask     0   no faults masked  audio enabled in response to any  fault     1   Switch faults masked  2   Modem faults masked  3   All faults masked  audio never enabled     A 10    Response to Command 
14.    YOUR CONFIGURATION HAS    BEEN STORED   ENTER        Pressing ENTER or CLEAR will take the user back to the previous menu  If  however   the selected location contains a previously stored configuration  the following screen is  displayed     WARNING  LOC 10 CONTAINS    DATA   OVERWRITE       YES       The user is prompted to select NO or YES using the LEFT RIGHT arrow keys  then to  press ENTER  Selecting YES will overwrite the existing configuration at the selected  location     3 4 6 2  STORE LD  LOAD    LOAD CONFIGURATION FROM    LOCATION  10  ENTER        The user is prompted to select the location to load a configuration from  using the  UP DOWN arrow keys  then to press ENTER  Locations 1 through 10 are available  If  the selected location contains valid data  the following screen will be displayed        3 21    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    THE NEW CONFIGURATION    HAS BEEN LOADED  ENTER        Pressing ENTER or CLEAR will take the user back to the previous menu  If  however   the selected location does not contain valid data  the following screen will be displayed     WARNING  LOC 10 CONTAINS    NO DATA   ENTER        Pressing ENTER or CLEAR will take the user back to the previous menu     3 4 7 UTIL  UriLiTY     UTILITY  SET RTC DISPLAY    SWITCH ID  PRESS ENTER        The user is prompted to select SET RTC  DISPLAY  or SWITCH ID  using the  LEFT RIGHT arrow keys  then to press ENTER  This sub menu permits the u
15.    same to prevent problems resulting from a mismatch   IMPORTANT    2 7 1 2 RECEIVE SIDE    1 Attach the output of the down converter  with user supplied BNC cables  to a single splitter     2 Feed the output of the splitter into the Receive IF ports of the Modems     When a Traffic Modem is taken offline  its Transmit IF is shut down automatically by the  Switch and is replaced by the Redundant Modem IF     2 7 2 CONFIGURING AND CABLING FoR MULTIPLE TRANSPONDERS USING THE  CRS 280 IF SWITCH    The CRS 280 provides complete isolation of the IF signals  The Redundant Modem IF  signals are routed to the Traffic Modem IF path when the RMI is online  Once connected   the CRS 300 automatically senses the presence of the CRS 280  The CRS 300  upon  switching  leaves the offline modem with its RF on  and the CRS 280 Switch relays  isolate any undesired signals     1 Refer to Figure 2 6 and Table 2 2 below for a complete listing of the CRS 280 IF  connections     2 Connect the Tx and Rx IF of each Modem to the CRS 280 with the correct IF cables        2 14    CRS 300 1 10 Redundancy Switch  Introduction and Initial Setup    Revision 4    MN CRS300 IOM    The same IF connections are used between the CRS 280 and all modems as shown in    Table 2 2     Table 2 2  CRS 280 IF Switch Connections                                                             From CRS 280 To Other To Modem From CRS 280        Modem              Tx IF  Ch Bu Rx1 Rx IF  Ch1      1   Tx IF        Rx2 Rx IF  Ch2  
16.   1 EIA 485    For applications where multiple devices are to be monitored and controlled  a full duplex   or 4 wire plus ground  EIA 485 is preferred  Half duplex  2 wire plus ground         485  is possible  but 15 not preferred  In full duplex EIA 485 communication  there are two  separate  isolated  independent  differential mode twisted pairs  each handling serial data  in different directions     It is assumed that a  controller  device  a PC or dumb terminal  transmits data  in a   broadcast mode  via one of the pairs  Many  target  devices are connected to this pair  that  all simultaneously receive data from the controller  The controller is the only device with  a line driver connected to this pair   the target devices only have line receivers connected     In the other direction  on the other pair  each target has a tri state line driver connected   and the controller has a line receiver connected       the line drivers are held in high   impedance mode until one  and only one  target transmits back to the controller  Each  target has a unique address  and each time the controller transmits  in a framed  packet  of  data  the address of the intended recipient target is included       of the targets receive the  packet  but only one  the intended  will reply  The target enables its output line driver   and transmits its return data packet back to the controller  in the other direction  on the  physically separate pair     A 1    CRS 300 1 10 Redundancy Switch Revisi
17.   A 10           A 10             10              9            14              9  AMQ      9             12              9             9            9             9              10              10 RNE      13  RSH      10  CAE      13 RSH      10  CLD      12    5        11 5       A 10  CST n     11 5          10  SGC      11  DAY      14 SGC      11  DAY      14 SID      11  SID      11  EID   A 14 SNO  A 14  SWR   A 14  FLT   A 15             14              14  LRS      9 XMI     15  LRS   A 9    A 7    CRS 300 1 10 Redundancy Switch Revision 4  Remote Control MN CRS300 IOM    NOTES         5 300 1 10 Redundancy Switch    Remote Control    Parameter Type    Local  Remote  Status    Operating Mode    Bridged or  Backed up  Modem Number    Active Modems    Active Modem  Query    Command     Code and  qualifier     LRS     OPM     BBU     ACT     NIA    Arguments for  Command or  Response to    Query    1 byte  value of 0  or 1    1 byte  numerical    3 bytes  numerical    10 bytes   numerical    10 bytes   numerical    Description of arguments     note that all arguments are ASCII numeric codes  that  is  ASCII codes between 48 and 57     Command or query    x indicates the local remote status of the Switch   0   local  1  remote    Command or Query    x indicates the operating mode  where   0   manual mode  1   auto mode    Command or Query     The bridge back up state  followed by the selected TM to be  acted on     xis  0   bridge  1   back up  this can only be set to 1  
18.   Cable Drawings    Figure B 1 shows the cable required for a simple        232 connection between a       serial port and the CRS 300 remote control port  This cable is needed for Flash  upgrading           9PIND FEMALE 9PIND FEMALE       9PIND FEMALE 9PIND FEMALE    Figure B 1  PC 9 Pin Serial Port to CRS 300 EIA 232 Remote Control Port          1    CRS 300 1 10 Redundancy Switch Revision 4  Cable Drawing MN CRS300 IOM    Figure B 2 shows the HSSI data cable drawing for connections between the user data and  the Switch      P1     TABLE A  4        Figure    2  HSSI Data Cable       B 2    CRS 300 1 10 Redundancy Switch Revision 4  Cable Drawing MN CRS300 IOM    For these situations  Figure B 3 show cable drawings for        530 to EIA 422 449 DCE  conversion     Note  The        530 standard pinout  provided on the CRS 300  is becoming more  popular in many applications  However  there are still many occasions when  especially  for existing EIA 422 449 and V 35 users  a conversion must be made                                                                                      RXCLOCKA           RXDATAA     a RX DATAB     E INTTXCLKA       INTTXCLKB  gt      RCVRREADYA   2   a                        5  SIGGROUND         SIG GROUND  PROTGND  LINK  OVERALLSHIELD TOGETHER  NOTES                    a SHOULD BE  eee      5   SCREWLOGKS  Y     EMCSHIELDIG      2          5         a 2       i  1  7 TWISTED PAIRS PLUS OVERALL FOIL BRAID     SCREEN BELDEN 8107      8307  ORNEAR  
19.   ESA EDMAC Slave Address   a modem must be configured for EDMAC as a  Slave unit  distant end   with the address provided    The following procedures explain the sequence for setting up the modems and  transceivers   The addresses are shown using mathematical formulas  A full  example of        232 and EIA 485 addressing schemes are also shown in the  following diagrams        C 2    CRS 300 1 10 Redundancy Switch    Addressing Scheme    Revision 4  MN CRS300 IOM    CRS 300 Switch EDMAC addressing example  RS 232    RS 232 serial connection    LOCAL END     lt  lt           Modem  1        Modem  2          Modem  3       RCA 0  ESAR 0110  MCA 0100    RCA 0  ESAR 0210  MCA 0200    RCA 0  ESAR 0310  MCA 0300             Modem  9       RCA 0  ESAR 0910  MCA 0900          Modem  10           Redundant  Modem  11        RCA 0  ESAR 1010  MCA 1000    RCA 0  ESAR 1110  MCA 1100          Switch    MCA RCA 0          CSAT  1        0101  CSAT  2        0102                                                      CSAT  1        0201  CSAT  2        0202            gt                     CSAT addresses are set  automatically by the modem  when the modem ODU  control is enabled  so it is  important that the modem  be configured first      EDMAC link                      DMAC link                                          DISTANT END                 Modem  1              0111                2      Modem  1 MCA ESA 0211    Modem  2                   Modem  1  Modem  2                    MCA 
20.   target to controller              message                 received       but  invalid arguments   BKH   message OK  but    not permitted in current  mode     RSH   message        RSH   received OK  but  invalid arguments found     RSH   message OK  not  permitted in current mode              message                 received       but  invalid arguments found              message OK  but  not permitted in current  mode     SAM   message        SAM   received OK  but  invalid arguments found   SAM   message OK  but  not permitted in current  mode              message                 received       but  invalid arguments found   AAM   message       but  not permitted in current  mode     Revision 4  MN CRS300 IOM    Query Response to query   Code         target to controller   qualifier   BKH                see description of  arguments   RSH  RSH xx   see description of  arguments   MAM  MAM x   see description of  arguments   SAM  SAM x   see description of  arguments   AAM  AAM x   see description of  arguments     CRS 300 1 10 Redundancy Switch    Remote Control    Parameter Type    Switch ID    Switch Global  Configuration    Config Store    Command Arguments for    Code and Command or   qualifier  Response to  Query   SID  24 bytes  ASCII   SGC  29 bytes   numerical   CST  1 byte  numerical     0 to 9    Description of arguments     note that all arguments are ASCII numeric codes  that  is  ASCII codes between 48 and 57     Command or Query     A user defined Switch ID  
21.  0 to 40     32 to 104 F        Table 1 2  CRS 280 Specifications       Characteristic    Requirement       TX Rx Operating Frequency    50 to 180 MHz       Return Loss    18 dB return loss into 75 Q  50    optional              Tx to Tx Channel Isolation  gt  50 dB  Rx to Rx Channel Isolation  gt  50 dB  Tx to Rx Channel Isolation  gt  60 dB       Number of Uplinks    1 to 10 Traffic Modems       Transmit IF Loss     lt  1 5 dB over operating frequency       Receive IF Loss     lt  5 dB over operating frequency       Tx   Rx Connectors    BNC female       Number of Downlinks    1 to 10 traffic units       Powering of IF Switch          From the CRS 300 chassis for 70   140 MHz       Table 1 3  CRS 350 Specifications       Characteristic    Requirement       Connector Types    25 pin  D  type male connector  ESC  overhead signals   15 pin  D  type female connector  IDR Alarms   9 pin  D  type female connector  Audio       Power    From CRS 300       Dimensions and Weight    3U chassis  4 0 in  deep  27 5 cm   5 Ibs   2 2 kg         Environmental          Operating temperature range 0   to 40  C  32 to 104   F           1 14          CRS 300 1 10 Redundancy Switch Revision 4  Introduction MN CRS300 IOM    1 3 1 DIMENSIONAL ENVELOPE                            Figure 1 15  CRS 300 Dimensional Envelope       1 15    CRS 300 1 10 Redundancy Switch    Revision 4                                                                                                                          
22.  15 Class B       Type    1 N redundancy Switch system     10 max  bridging architecture        C161 control processor       Operating Modes    Fully automatic or manual       Force Traffic Modem to Redundant Modem       Force Redundant Modem to bridge Traffic Modem       Remove selected Traffic Modem from control       Programmable hold off to backup and hold off to restore from 2 to 99  seconds       Redundant Modem signal  Source    Any one of the 10 traffic paths  bridge mode   both RX IF  and TX data       Switching conditions    Switch to Redundant Modem following a unit fault        TX traffic alarm or RX traffic alarm       IF Switching    CRS 300 without CRS 280 IF Switch  IF ON   OFF control through the  Switch controller     CRS 300 with CRS 280  all modem outputs on all the time           Switching time       7 seconds max  Delay interval set to minimum  2 sec                1 12    CRS 300 1 10 Redundancy Switch  Introduction    Revision 4  MN CRS300 IOM       Characteristic    Requirement       Modem Interface      25 pin D subminiature type male connector carrying all EIA 422  232   LVDS data  alarm and remote control signals       15 pin D subminiature type male connector carrying all G 703 data    balanced or unbalanced         User Data Interfaces   Listed by TMI type         CRS 320     EIA 422  232  LVDS Interface   1  25 pin  D  type female connector  EIA 422 530 DCE  V 35  Sync EIA 232  LVDS        CRS 330   G 703 Balanced Unbalanced Interface   1  15 pi
23.  5 DATA CONNECTOR   G 703  BALANCED    15 PIN  D  TYPE FEMALE    Table 2 7 is for the TMI User Data Interface connector  Balanced G 703  on the CRS 330 and    CRS 340     Table 2 7  Balanced G 703 Interface Connector Pin Assignments                                                                Pin   Signal Function Name Direction   1  Tx  Drop Data Input       DDI  In   9  Tx  Drop Data Input     DDI  In   2 Ground GND   10 Not Used   3  Rx  Insert Data Output       IDO  Out   11  Rx  Insert Data Output     IDO  Out   4 Ground GND   12 Drop Data Output       DDO  Out   5 Drop Data Output     DDO  Out   13 Insert Data Input       IDI  In   6 Insert Data Input     IDI  In   14 Not Used   7 Not Used   15 External Carrier Off Tx_IF_Off DTE to   EIA 232    1    or TTL          Modem   8 Not Used         Use for all non Drop and Insert and T2 E2 balanced applications        2 23    MN CRS300 IOM       CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 8 1 6 DATA CONNECTOR   G 703  UNBALANCED      BNC          MALE    Table 2 8 15 for the TMI User Data Interface BNC connectors  Unbalanced G 703  on the CRS   330 and CRS 340     Table 2 8  Data Connector  G 703 Unbalanced                       BNC TMI CRS 330   TMI CRS 340  Connector Reference Reference Description Direction  Rx IDO J2 J3 Rx  G 703 Out  Tx IDI J5 J4 Tx  G 703 In  IDI J3    Insert data input In  DDO J4    Drop data output Out                      2 8 1 7 DATA CONNECTOR     55
24.  CDM 600  Connected      to RMI                      Figure 2 5  Cabling example for CRS 350 ESC to CDM 600 Modems   Connections Shown for RMI and TMIs 3 4 5 Only        2 10        5 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 4 6 CRS 350 EXTERNAL USER INTERFACE    When each cable is connected between the modem and the CRS 350  the user s IDR   Audio and Overhead connection to the users equipment should be made to the correct  corresponding plug in card on the front of the CRS 350  This replaces the direct  connection to the Traffic Modem s    IDR        Audio     and    Overhead    ports     2 5 APPLYING POWER TO THE SWITCH    Note  Each CRS 300 is shipped with two power supplies  and it is recommended that  both be used for maximum reliability     Complete the cabling as indicated in the previous section     Apply power to the modems  Configure the modems for remote communications  EIA   232  9600 baud  8 N 1  The IF ports may be left unconnected     Attach power cord to both of the switch power supplies  Apply power to the CRS 300  2  switches   The auto sensing AC power supplies do not require any adjustments  The  Switch should show a green Unit Status  If the status LED 15 red  go to MONITOR  SW   ALARM to view the faults  If the Redundant Modem is not correctly attached and  configured  comms  EIA 232  9600 baud  8 N 1   the LED will be red     The IEC line input connector for each Power Supply Module contains the ON OFF  s
25.  Data CDM 570L Satellite Modem Installation and Operation Manual  Comtech EF Data CDM 600 Satellite Modem Installation and Operation Manual  Comtech EF Data CDM 600L Satellite Modem Installation and Operation Manual    CONVENTIONS AND REFERENCES    CAUTIONS AND WARNINGS    Indicates information critical for proper equipment function     e    IMPORTANT    Indicates a hazardous situation that  if not avoided  may result in minor or  moderate injury  CAUTION may also be used to indicate other unsafe practices or   m risks of property damage     Indicates a potentially hazardous situation that  if not avoided  could result in  death or serious injury      gt   gt     METRIC CONVERSION    Metric conversion information is located on the inside back cover of this manual  This  information is provided to assist the operator in cross referencing English to Metric  conversions     vii    CRS 300 1 10 Redundancy Switch Revision 4  Preface MN CRS300 IOM    RECOMMENDED STANDARD DESIGNATIONS    Recommended Standard  RS  Designations have been superseded by the new designation  of the Electronic Industries Association  EIA   References to the old designations are  shown only when depicting actual text displayed on the screen of the unit  RS 232  RS   485  etc    All other references in the manual will be shown with the        designations          232         485  etc   only    TRADEMARKS    All product names mentioned in this manual may be trademarks or registered trademarks  of their resp
26.  ELA 232  9600 baud  8 N 1      CONFIG  REMOTE  REMOTE  INTERFACE    ELECT  INTERFACE  RS232    RS485 2W RS485 4W  ENT        If INTERFACE was selected  the user may select RS 232  RS 485  2 wire   or RS 485   4 wire   using the LEFT RIGHT arrow keys  After pressing ENTER  the user will be  further prompted to enter the bus address     In EIA 232 mode  the bus address is fixed at 0  and the following screen will be  displayed      Note  RS 15 now        in the text of this document      IN RS232 MODE THE BUS    ADDRESS IS FIXED AT 0000       If in EIA 485  the address may be selected     EDIT SWITCH BUS ADDRESS     3000  PRESS ENTER           3 11    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    The value of the address is changed using the UP DOWN arrow keys  The user should  then press ENTER  The valid addresses are 1000  3000  5000 and 7000 only  as  explained in the Remote section of this manual     Note  this setting does not affect the internal communications between the Switch and the  Modems  which 15 fixed at ELA 232  9600 baud  8 N 1     After entering the bus address  the following screen is shown     SELECT DATA FORMAT     8 N 1 7 E 2 7 0 2       Note  this setting does not affect the internal communications between the Switch and the  Modems  which is fixed at        232  9600 baud  8 N 1     3 4 3 5  CONFIG  ACTIVE MODEMS    ACTIVE MODEMS   ENTER     123   5 6   8 9 10       The user is prompted to select which Traffic Modems 
27.  Ground   8 Form C Fault Relay Common   9 Switch Unit Fault     Normally Closed   10 Modem Summary Unit Fault     Normally Closed   11 Modem Summary Tx Traffic Fault     Normally Closed  12 Modem Summary Rx Traffic Fault     Normally Closed  14 Backup Traffic Modem  10     Normally Open   15 Backup Traffic Modem  8     Normally Open   16 Backup Traffic Modem  6     Normally Open   17 Backup Traffic Modem  4     Normally Open   18 Backup Traffic Modem  2     Normally Open   20 Audio Indicator  Gnd   Audio      Float   Audio off   21 Switch Unit Fault     Normally Open   22 Modem Summary Unit Fault     Normally Open   23 Modem Summary Tx Traffic Fault     Normally Open  24 Modem Summary Rx Traffic Fault     Normally Open       25 13 19 No Connection                Note  Normally Open refers to the NON FAIL state       2 19    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 8 1 2 IF SwiTCH CoNTROL CONNECTOR   25 PIN  D           MALE    The IF Switch Control connector should be cabled directly to the corresponding  connector on the CRS 280 or CRS 350 Switch  if used  This supplies power to the CRS   280 350  along with the logic interface to drive the currently selected Traffic Modem  and  to decide whether the system is in bridged or back up mode  The CRS 280 350 must  perform the same bridging and backing up functions of the Tx and Rx IF signals to match  what the CRS 300 does to the terrestrial data signals  Table 2 4 provides the 
28.  MODEM ALARMS    SW ALARMS AUDIO  ENTER        The Switch logs and reacts to both its own faults and modem faults  Either type of faults  may be masked using this sub menu  In addition  an audible buzzer can be enabled as an  additional indicator      CONFIG  OPTIONS  MASK  MODEM ALARMS    MODEM ALARM MASK  NONE    TX RX TX RX  ENTER        The user is prompted to mask Transmit or Receive Traffic faults  or both  from being  reacted to by the Switch  This not only prevents the Switch from performing Auto mode  functions when these modem faults are sensed  but also keeps the faults from being  logged by the Switch  Note that these selections are global to all the modems  If masking  of individual modem faults is desired  it should be done directly on the modem   Unmasked modem faults are logged on active modems only      CONFIG  OPTIONS  MASK  SWITCH ALARMS    SWITCH ALARM MASK  NONE    LPSU A PSU BN  ENTER        The user is prompted to select which  if either  of the plug in power supply units should  be ignored in case any of their voltage outputs are monitored by the Switch as being out  of range  Only one of the units can be masked at a time  Normally this would be done if  the user wishes to run with only one supply  or if a bad supply had been removed for  service or replacement        3 9    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM     CONFIG  OPTIONS  MASK  AUDIO    AUDIO MASK            SW ALMS    MODEM ALMS BOTH  ENTER        Fo
29.  Modems  the display  will show which TM is currently being bridged by the RM  If Auto mode is on  it will  also show the backup holdoff time should the bridged TM fail  If Auto mode is off  the  second line displays    OFF     When the Switch has taken the bridged TM offline and  replaced it with the RM  whether done manually or automatically   the screen changes as  shown below     TM 02 IS BACKED UP BY RM    RESTORE HOLDOFF  05 SEC       Now  the restore holdoff time is shown on the second line if Auto mode is on     3 4 5 2  MONITOR  SW ALARM    The following screens show the possible display of the current Switch fault status     SWITCH ALARM        There are no faults  The unit status LED should be green     The following are examples of the possible faults that the Switch can indicate  For these   the front panel LED will be red     SWITCH ALARM   12V PS B    N IS UNDERVOLTAGE          3 15    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    Power supply voltages     Bad power supply Remove it to get it repaired  Mask the P S   Power supply Not powered up Mask the P S     SWITCH ALARM  RM PROBLEM    RM I O TIMEOUT       Redundant modem problem   e Ensure the Redundant Modem is set for correct comms  EIA 232  9600 baud   8 N 1   e Ensure a 25 pin cable is connected between the RMI        the Redundant Modem      Ensure the 25 pin cable is OK by swapping it for another        Ensure an External EIA 232 cable is not connected to the back o
30.  Pound  Avoirdupois Troy Avoir  Troy            0 03527 0 03215 0 002205 0 002679 0 001  28 35            0 9115 0 0625 0 07595 0 02835                         e pe   pem          pe                                                                                                                                           OMTECH         DATA BENIN     2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA    480   333   2200 PHONE  480   333   2161 FAX    
31.  Switch Control Connector  25                     2 20  Table 2 5  Remote Control Connector  9                               2 21  Table 2 6  Data Cone                                            eret        edo                      2 22  Table 2 7  Balanced G 703 Interface Connector Pin Assignements                          2 23  Table 2 8  Data Connector  6 703                                                                             2   24  Table 2 9  HSSI Pinout  J1  50 Pin d cose con ro Eph eene peine e epu Eee    Enea X Fes pen Pepe ehe reg 2 24  Table 2 10  8 kHz IDR ESC Interface Connector Pin Assignements                         2 25  Table 2 11  CRS 370 J2 Jumper           5                 2 26  Table 3 1  Switch LED Indicators    nein edi ee                                           3 3  Table 3 2  Transmit and Receive Traffic Modem LED Indicator                                   3 3    CRS 300 1 10 Redundancy Switch Revision 4  Preface MN CRS300 IOM    NOTES     vi        5 300 1 10 Redundancy Switch Revision 4                 MN CRS300 IOM    ABOUT THIS MANUAL    This manual provides installation and operation information for the Comtech EF Data  CRS 300 1 10 Redundancy Switch  This is a technical document intended for earth  station engineers  technicians  and operators responsible for the operation and  maintenance of the CRS 300 1 10 Redundancy Switch     RELATED DOCUMENTS  Comtech EF Data CDM 570 Satellite Modem Installation and Operation Manual  Comtech EF
32.  accordance with the instruction manual  it may cause harmful interference to  radio communications  Operation of this equipment in a residential area is likely to cause  harmful interference  in which case  users are required to correct the interference at their  own expense     Note  To ensure compliance  properly shielded cables for DATA       shall be  used  More specifically  these cables shall be shielded from end to end   ensuring a continuous shield     CRS 300 1 10 Redundancy Switch Revision 4  Preface MN CRS300 IOM    SAFETY COMPLIANCE  EN 60950    Applicable testing is routinely performed as a condition of manufacturing on all units to  ensure compliance with safety requirements of EN60950 This equipment meets the  Safety of Information Technology Equipment specification as defined in EN60950     LOW VOLTAGE DIRECTIVE  LVD     The following information is applicable for the European Low Voltage Directive     EN60950     lt HAR gt  Type of power cord required for use in the European Community    ZN  CAUTION  Double pole Neutral Fusing     ACHTUNG  Zweipolige bzw  Neutralleiter Sicherung     International Symbols     Symbol Definition Symbol Definition  Alternating Current   E Protective Earth           Fuse  a Chassis Ground           Note  For additional symbols  refer to  Cautions  listed earlier in this preface     CRS 300 1 10 Redundancy Switch Revision 4  Preface MN CRS300 IOM    WARRANTY POLICY    This Comtech EF Data product is warranted against defects in ma
33.  allows for very easy updating of the unit firmware  Instead of physically  replacing EPROMs  the CRS 300 uses    flash memory    technology internally     This makes software upgrading very simple  and updates can now be obtained via the  Internet  E mail  or on disk  The upgrade can be performed without opening the unit  by  simply connecting the Switch to the serial port of a computer     The cable to connect the PC to the Switch is the same as is used for normal        232  remote control  and comprises 3 wires between 9 pin    D    type female connectors  This is  shown in Appendix A     New firmware can be obtained via the Internet as follows     Go to  www comtechefdata com  Click on   downloads  flash upgrades  flash firmware data files  CRS 300    The latest two releases of firmware code and the Uploader are available in a ZIP file  The  Upload utility is a free software utility  that is designed to run under Windows  95 98 2000   or Windows NT    The Zip file should be downloaded to the user   s  computer hard disk  and then unzipped  The utility program is called CCCFlash exe  The  firmware file is called  for example  300V108 ccc     The user should connect an RS 232 serial cable  details are in Appendix    and are shown  in the cable details box on the Uploader screen  from the computer to the remote control  port of the Switch  Run the Upload utility  The user should follow the instructions  presented on the screen  and the upload will take place automatically  
34.  menu  The event log can store up to 98 events  When a fault  FT  condition  occurs  it is time stamped and put into the log  Similarly  when the fault condition clears   OK   this is also recorded  as shown below     LOG24  26 01 04 10 37 35    OK 06 RX ALARM  UP DN        Next to the FT OK indicator is a code for the errored unit  the TM slot number  1 through  10   RM  for Redundant Modem  or SW  for the Switch      3 4 5 4  MONITOR  COMM STATE  COMMUNICATIONS STATE     This screen indicates that the Switch has good monitoring I O communications with the  indicated modems     GOOD COMMS WITH MODEMS     123  5  7 8   10       3 4 6 STORE LD  STORE OR LOAD CONFIGURATION     STORE LOAD CONFIG     STORE LOAD  PRESS ENTER        The user is prompted to select STORE or LOAD using the LEFT RIGHT arrow keys   then to press ENTER  These sub menus permit the user to store or load up to 10 different  Switch configurations in its non volatile memory  These are configurations for the Switch  itself  not the modems attached to it        3 20    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 4 6 1  STORE LD  STORE    STORE CONFIGURATION TO    LOCATION  10  ENTER        The user is prompted to select the location to store the current configuration to  using the  UP DOWN arrow keys  then to press ENTER  Locations 1 through 10 are available  If  the selected location does not contain a previously stored configuration  the following  screen is displayed  
35.  target   the  destination of the packet  When the target responds  the address used  is the same address  to indicate to the controller the source of the  packet  The controller does not have its own address     IMPORTANT 2  CEFD s SatMac software  Version 3 6 or higher  can monitor and control  a CRS 300 Redundancy system  The address scheme details are shown  in Appendix C     There are also address restrictions for distant end modems  being accessed by EDMAC   and Comtech transceivers  connected either locally or at the distant end of a link  See  Appendix C for detailed addressing information and diagrams        4    CRS 300 1 10 Redundancy Switch Revision 4  Remote Control MN CRS300 IOM       4 5 INSTRUCTION CODE    This is a three character alphabetic sequence that identifies the subject of the message   Wherever possible  the instruction codes have been chosen to have some significance   For example  BKH is for BacKup Hold off time  SID is for Switch ID  etc  This aids in  the readability of the message if seen in its raw ASCII form  Only upper case alphabetic  characters may be used  A Z  ASCII codes 65   90      A 4 6 INSTRUCTION CODE QUALIFIER    This single character further qualifies the preceding instruction code  Code Qualifiers  obey the following rules     1  From Controller to Target  the only permitted values are      ASCII code 61      ASCII code 63     They have these meanings     The   code  controller to target  is used as the assignment operator  and i
36.  the Redundant Modem  for systems not using the  CRS 280 IF Switch      4 Verify that the Bridge LED is lit for only one Traffic Modem     Notes  1 For modems   Use the INFO and MONITOR menus to view the status of the  modems  in addition to viewing the LEDs     2 For Switch   Use MONITOR  COMM STATE to verify the modems that         responding via remote control     The Switch is now ready for the next procedure  configuring the IF Carriers     2 7 CONFIGURING THE IF CARRIERS    Configure the IF carriers for all the Modems  There are two configuration methods   single transponder and multiple transponders     a  Forasingle transponder  all the Modems are connected to the same up down  converter     b  For multiple transponders  the Modems may be grouped and connected in various  combinations to multiple up down converters  The CRS 280 IF Switch is required  for multiple transponder operation     Proceed with the transponder configuration method applicable to your system        2 13    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 7 1 CONFIGURING AND CABLING FOR A SINGLE TRANSPONDER    2 7 1 1 TRANSMIT SIDE    1 Configure each Modem s transmit settings to the proper data rate  IF frequency and output  power level   2   Combine the carriers  with user supplied BNC cables  into a single power combiner     3 Feed the output of the combiner to the up converter     Ensure that the impedance for the Modems  cables and combiner are the 
37.  to your equipment  All statements  technical information  and  recommendations in this manual and in any guides or related documents are believed  reliable  but the accuracy and completeness thereof are not guaranteed or warranted  and  they are not intended to be  nor should they be understood to be  representations or  watranties concerning the products described  Further  Comtech EF Data reserves the  right to make changes in the specifications of the products described in this manual at any  time without notice and without obligation to notify any person of such changes     If you have any questions regarding the equipment or the information in this manual   please contact the Comtech EF Data Customer Support Department             CRS 300 1 10 Redundancy Switch Revision 4  Preface MN CRS300 IOM    NOTES     xii    Chapter 1  Introduction    This chapter provides an overview  description and specifications for the CRS 300 1 10  Redundancy Switch  Figure 1 1  and optional system components     CRS 300 1 10 Redundancy Switch    Optional CRS 280 IF Switch       Optional CRS 350 ESC   Engineering Service Channel     Switch    m               29                             q 14  nx  4 3                    9            3     5          oC            9       Figure 1 1  The Comtech EF Data 1 10 Redundancy Switch System       1 1        5 300 1 10 Redundancy Switch Revision 4  Introduction MN CRS300 IOM    1 1 OVERVIEW    The CRS 300 1 10 Redundancy Switch provides fully automat
38.  turns the carrier off  All the Tx outputs of  the modems are connected to a passive IF combiner  and the IF outputs from a Traffic or  Redundant Modem can be enabled or disabled via a hardware command from the CRS   300  They receive IF for all of the Traffic Modems  and the Redundant Modem are fed  with identical signals from a passive IF distribution system  In this way  the Redundant  Modem can demodulate any of the input carriers going to the Traffic Modems     The data and clock signals  to and from a Traffic Modem  are routed through a Traffic  Modem Interface  TMI   via a set of relays  This is arranged so that the de energized  un   powered  state connects the data signals directly through to the Traffic Modem  If the  power supplies to the system are lost  or if a TMI carrying traffic is removed  no  interruption of the traffic will take place  It should also be noted that in normal  circumstances  where the Redundant Modem is not in service  no data is carried through  the CRS 300 backplane   all data is routed via the TMI     A key feature of the CRS 300 architecture is its ability to let the Redundant Modem     bridge    a Traffic Modem  A copy of the data and clock signals feeding a particular  Modem can be selectively routed to the Redundant Modem  and the RX IF can be tuned  to receive any selected carrier  This has the advantage that no external test equipment is  needed to determine the health of the Redundant Modem   live traffic is used at all times  to ve
39. 1    50 PIN  D  TYPE FEMALE    Table 2 9 is for the TMI User Data Interface connector   HSSI   This is a 50 pin SCSI II female  connector located on the CRS 370     Table 2 9  HSSI Pinout  J1  50 Pin Mini D SCSI 2 Female    HSSI EIA 613 Interface Connector Pinout    J1 To Modem                                                    Signal Function HSSI EIA 613 Pin           Circuit  Signal Circuit Direction   Signal Ground SG 102 1 26   Receive Timing RT 115 2 27 from DCE   DCE Available CA 107 3  28 from DCE   Receive Data RD 104 4 29 from DCE   Loopback Circuit C LC undefined 5  30 from DCE   Send Timing ST 114 6  31 from DCE   Signal Ground SG 102 7  32   DTE Available TA 108 2 8  33 to DCE   Terminal Timing TT 113 9  34 to DCE   Loopback Circuit A LA 143 10  35 to DCE   Send Data SD 103 11  36 to DCE   Loopback Circuit B LB 144 12  37 to DCE   Signal Ground SG 102 13  38   Reserved  to DCE  14 15 17  not used   18  39   43  Tx Carrier Off L        undefined  16 from DTE                            2 24    CRS 300 1 10 Redundancy Switch    Introduction and Initial Setup    MN CRS300 IOM    HSSI EIA 613 Interface Connector Pinout    J1 To Modem                               Signal Function HSSI EIA 613 Pin           Circuit  Signal Circuit Direction  Signal Ground SG 102 19  44  Carrier Detect  lock   7 CD undefined   20 from DCE  Reserved  to DTE  undefined 21 24 not used  46 49  Signal Ground SG 102 25  50          Notes  1    there is no connection to those pins   2 TTL   out
40. 6 703 Balanced            0    o  User Data Interface  DB 15 Female 5 Female  4   BNC Male DB 15 Male DB 25 Male  Figure 1 10   gt   CRS 340 TMI a a To Traffic Modem CRS 340   PL 9371 1                              p                       User Intfc G 703 Balanced RS422 V 35 RS232 LVDS                                        DB 15 Female DB 25 Female       CRS 370  TMI    Figure 1 11   CRS 370 TMI     PL 9034 1  e User Interface Modem Data Interface D  P1 Oi      ____      ajo LL    HSSI Rs 232 422 V 35 LVDS  amp  Faults                   E   d                            SCSI Female DB 25 Male       1 9    CRS 300 1 10 Redundancy Switch Revision 4  Introduction MN CRS300 IOM    1 2 2 OPTIONAL CRS 280 IF SWITCH DESCRIPTION    The CRS 280 is constructed as    4U high rack mounting chassis that is intended to be  mounted to the back or top of a 19 inch deep rack  Figure 1 12 is an illustration of the  front panel  It contains the connections for all 11 modems  receive and transmit IF cables   The back of the CRS 280 contains a 25 pin D subminiature type female connector for  monitor and control functions from the CRS 300 or CRS 350            TOH   E DATA         CRS 280   IF SWITCH                          Figure 1 12  Optional CRS 280 IF Switch       CRS 300 1 10 Redundancy Switch Revision 4  Introduction MN CRS300 IOM    1 2 3 OPTIONAL CRS 350 ESC  ENGINEERING SERVICE CHANNEL  SWITCH    DESCRIPTION    The CRS 350 is constructed as a 3U high rack mounting chassis that is for mo
41. 8   The modem accepts the male end of the cable  while the TMI or RMI accepts the female end into the port labeled  To Traffic Modem   or  To Redundant Modem   Depending upon the location of each modem in the rack  a  length of from 2 to 5 feet is desirable  Appropriate data cables are available from  Comtech EF Data  consult the factory for ordering information     ALWAYS KEEP THE 25 PIN CABLE ATTACHED TO AN OPERATING SWITCH  WHILE POWER IS SUPPLIED TO THE MODEM     If a modem is to be added to an operating 1 N system  first attach these cables  and then  apply power  If a modem is to be removed  first de activate the modem from the Switch  configuration  via menu  CONFIG  ACTIVE  down arrow for the appropriate  TMI modem position   then turn off modem power  and remove its 25 pin cable  This  allows the Switch to always have control of a modem s Tx carrier  and prevent  contention in the system     The 25 pin cable provides the EIA 232 communication path between the Switch and the  modems  Each modem must be configured for communication         232  9600 baud   8 N 1        2 4    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 4 2 MODEM DATA CABLES    Connect all 25 pin and the 15 pin cables between the modems and their appropriate TMI  or RMI cards  It is important that all modems have the same software revision and  installed options so that the Redundant Modem can properly mimic all Traffic Modems   If there are unused positi
42. EQUIVALENT        Figure B 3         530      EIA 422 449 DCE Conversion Cable       B 3    CRS 300 1 10 Redundancy Switch Revision 4  Cable Drawing MN CRS300 IOM    For these situations  Figure B 4 show cable drawings for        530 to V 35 DCE  conversion        TXCLOCKA  TXCLOCKB  TXDATAA  TXDATAB  RXCLOCKA  RXCLOCKB                  RXDATAB    INT TXCLKA  INTTXCLKS             RCVRREADYA    25PINDTYPE MALE    PROTGND  SIGGROUND    34 PIN WINCHESTER FEMALE    LINK  TOGETHER  INSHELL    OVERALL SHIELD             ENGTH TBD  USE METAL BACKSHELLS L 4  FORD TYPE CONNECTORS    ENSURE SHIELDING FOIL  AND ORBRAIDIS BONDED       METAL BACKSHELL FOR  EMC SHIELDING       FEMALE    id               lt                  rj  N    34PIN  WINCHESTER        7 TWISTED PAIRS PLUS OVERALL FOIL BRAID  SCREENBELDEN8107 OR8307  OR NEAR  EQUIVALENT              Figure B 4  EIA 530 To V 35 DCE Conversion Cable       B 4        5 300 1 10 Redundancy Switch  Cable Drawing    Revision 4  MN CRS300 IOM    Figure B 5 shows the DB 25 data cable required to connect the TMIs and RMI to the    modems     TOSWITCH       25PINDTYPE MALE       TOMODEM       T OVERALL SHIELD    TXCLOCKA   24 P  TXCLOCKB   11               TWISTEDPAIR           TWISTED PAIR    TWISTED PAIR    W DPAIR    TWISTED PAIR    a   13   TXFAULT              DRAINWIRE          NOTES     USE METAL BACKSHELLS  FORDTYPECONNECTORS    ENSURE SHIELDING FOIL  AND OR BRAID IS BONDED  TOMETAL BACKSHELL FOR  EMC SHIELDING    25 PINDMALE    LENGTH 
43. ESA 0311 5A          Distant end offline modem of  a 1 1 pair is currently not able     be polled  The offline modem  configuration is controlled by  the online modem     CSAT  1        0114  CSAT  2        0115  CSAT  1        0214  CSAT  2        0215  CSAT  1        0314  CSAT  2        0315                                                   Modem  1 MCA ESA 0911 CSAT  1        0914  Modem  2   CSAT  2 MCA 0915  Modem  1 MCA ESA 1011 CSAT  1        1014       Modem  2        CSAT  2        1015  Modem  1               1111 CSAT  1 MCA 1114  D  Modem  2   CSAT  2        1115       LEGEND  MCA   Address used for Monitor  amp  Control applications   Set via modem front panel     RCA   Remote Control Address  ESAR   EDMAC Slave Address Range on an EDMAC Master modem  local end   ESA   EDMAC Slave Address on an EDMAC Slave modem  distant end                     5 300 1 10 Redundancy Switch Revision 4  Addressing Scheme MN CRS300 IOM    CRS 300 Switch EDMAC addressing example  RS 485    LOCAL END DISTANT END                N    A _   CSAT 1        7101  Modem  1        0 SESK link  gt   CSAT  2        7102 Modem  1               7111              N           CSAT  1        7114             Modem  2        0 Csskflink  gt   CSAT 2 MCA 7202 Modem  1               7211           1        7214  ESAR 7210     Modem  2        P           2        7215              7200                               3 5245 _   Modem  1               7311  N  CSAT  1 MCA 7314  MCA 7300     EDMAC link Mod
44. FIC MODEM MODEM             Figure 1 3  CRS 300 Front Panel       1 6    CRS 300 1 10 Redundancy Switch Revision 4  Introduction MN CRS300 IOM    REAR PANEL   Figure 1 4 shows a typical configuration for the back panel of the  CRS 300 where there is a mix of Traffic Modem Interface  TMI  cards  Depending on  the user requirements  the CRS 300 can use any or all of the different TMI cards  simultaneously  This is possible because the RMI has the capability for all of the different  TMIs     CRS 310 RMI Unused Blanks CRS 370 TMIs CRS 340 TMIs CRS 330 TMIs CRS 320       5       Iss           sasn  IssH                                                                                                          Say        n                                                             IN o          25 Watts  250 mA         115 volt operation  use T1A fuses  230 volt operation   use T0 SA fuses    Ilo            485 Pass Through IF Switch Control  crs za            7 S    Power Supply                   CRS 240     Power Supply    100 240V    50 60 Hz     100 240V    50 60 Hz          Module 1      Control    ayia ARS 4   851230             24 Module  CRS 240 CRS 230 CRS 240  Power Supply Module System Controller Power Supply Module   1 of 2   1 of 2     Figure 1 4  CRS 300 Rear Panel       1 7    CRS 300 1 10 Redundancy Switch Revision 4  Introduction MN CRS300 IOM    SUBASSEMBLY PANEL DETAILS     Figure 1 5 through Figure 1 11 gives further  details of the sub assemblies for the CRS 300
45. Following the  successful upload process  the Switch will automatically re start  running the new version  of firmware  During this process  the non volatile RAM  storing the configuration of the  Switch  will be erased  so the user is then required to re enter the desired configuration  parameters     Full on line help is provided with Flash utility  but if users experience a problem  or have  a question  they should contact Comtech EF Data Technical Support        3 24    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 5 3 FLASH UPGRADE HELP    Full on line help is provided with CCCFLASH EXE  Please contact Comtech EF Data  Customer Support if you have questions  or for additional assistance        3 25    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    NOTES        3 26    Appendix A  Remote Control    This appendix describes the protocol and message command set for remote monitor and  control of the CRS 300 Redundancy Switch     The electrical interface is either an EIA 485 multi drop bus  for the control of many  devices  or an EIA 232 connection  for the control of a single device   and data is  transmitted in asynchronous serial form  using ASCII characters  Control and status  information is transmitted in packets  of variable length  in accordance with the structure  and protocol defined in later sections     Note  The Remote Control pin out is shown in Section 2 8 1 3 for EIA 232 and EIA 485      
46. I         PUT      Lr        E MADE NU  6 PAA Overhead io ams  s A                                                BY                              CORR 7 F       ua                 2           r M Ts                        o 0 o               PS P3B Interface PAB Remote Control PSB Alarms P7 Balanced 6 703            MBT    CDM 600 Connected to                                                         CRS 340 TMI  5       ua            Umm mum       e ME      Clo uu                         Aux Serial                    JBR                          PAB Interface                                  D     o   o    PAB Remote Control  PSBAlarms          CDM 600 Connected to  CRS 370        7                                                                                                      P3B interface          CDM 600 Connected to  CRS 320 TMI  1                 C     ad PAA Audio  PSAIDR Alams    p     z  Ox                                        P4B Remote Control PSBAlams    PSB Interface           CDM 600 Connected to  CRS 310 RMI             RF                     MADE IN USA BY JAD JHADDO  COMTECH EF DATA CORP          Ox    ed 6703  MBR     JHBTK                                                             Figure 2 2  Cabling example for CRS 300 to CDM 600 Modems   Connections shown for        amp  TMls 1  3  5  and 7 only        2 6    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 4 3 EXTERNAL DATA CONNECTION    When each cable i
47. ITF  LBO  FRM  TFQ  TFT  TMD  TCR  TDR  TSI  TSC  TPL  TCK  TDI  TXO  AUP  APP  WUD  RFQ  RFT  RMD  RCR  RDR  RSI  RDS  RDI  RSW  EBA  RBS  ERF  EFM  ESA  TST  MSK  RTS  SSI    NO ERROR   Interface   T1 Line Build Out  Framing mode   Tx Frequency   Tx FEC Type   Tx Modulation   Tx FEC Code Rate   Tx Data Rate   Tx Spectrum Invert   Tx Scrambler state   Tx Power Level   Tx Clock   Tx Data Invert   Tx Carrier State   AUPC enable   AUPC parameters  Warm Up Delay   Rx Frequency   Rx FEC Type   Rx Modulation   Rx FEC Code Rate   Rx Data Rate   Rx Spectrum Invert   Rx DeScrambler state  Rx Data Invert   Rx Sweep Width   Eb No Alarm point   Rx Buffer Size enable  External Reference setting  EDMAC Framing mode  EDMAC Slave Address range  Test mode   alarm Masks  Request To Send control  Statistics Sample Interval       3 18    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    SWITCH ALARM  MODEM COMMS    PROBLEM  POSITION 2       Problem with the I O communications with a Traffic modem  position indicated   e Ensure the Traffic Modem is set for correct comms  EIA 232  9600 baud  8 N 1     e Ensure a 25 pin cable is connected between the TMI and the Traffic Modem  If a  modem has been removed intentionally  de activate it on the switch  or else the  switch will continue to attempt to monitor it     e Ensure the 25 pin cable is      by swapping it for another     e Ensure an External RS 232 cable is not connected to the back of a Traffic Modem   e g  whe
48. Installation                              2      2  2                2  lt     6 lt    lt    lt                                                         2 2  2 4  Connecting the Cables oM        2 4  2 4 1 Physical Cable                                                 200  00    11 161                         2 4  2 4 2     Modem  Data GablBs   ec odit pt ten            oro    ep pea          2   5  2 4 3 External Data                      ores e                                                        2 7  2 4 4 Control Cable for Optional CRS 280 and     5 350                                       2 8  2 4 5 CRS 350 to Modem                                  2 10  2 4 6 CRS 350 External User Interface                  2         24          2   11  2 5 Applying Power to the Switch                              eee 2 11    CRS 300 1 10 Redundancy Switch Revision 4    Preface MN CRS300 IOM  2 6 Configuring the          etnia            kn Ra RR ReRRRS RR RRRRARRRRRRRRRRRRRRRARXRRNR 2 12  2 6 1 Activate the Desired Traffic Modems                                          2 12  2 6 2 Verify Remote Communications to Each Active                                           2 13  2 7 Configuring the IF                                 1                         enn 2   13  2 7 1 Configuring and Cabling for a Single Transponder                                       2 14  2 7 2 Configuring and Cabling for Multiple                                                              2 14  2 7 3 Manual Mo
49. OFF to any number in the range of 2 to 99 seconds     2 7 7 ALARM MASKING    Another way to adjust the Switch s reaction in Auto mode is to mask Modem faults  The  user may disable modem Rx  Tx or both fault types so that the Switch does not react to  them  This masking prevents the Switch from taking automatic action and prevents the  logging of the faults in the stored events list     Note  These masks are global to all the Modems attached to the Switch     2 7 7 1 SET THE ALARM MASKS  1 Go to CONFIG  OPTIONS  MASKS  and MODEM ALARMS     2 Set the mask parameters as desired     Note  Read the manual for the modem being used  Details of the Modem operation are  not covered in the CRS 300 manual     Once the Switch has been installed and setup has been completed  regular operation may  begin  Please refer to Chapter 3  Front Panel Operation  for more information        2 18    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 8 CRS 300 CONNECTOR PIN OUTS    2 8 1 CRS 230 CONTROLLER CONNECTORS  2 8 1 1 SYSTEM ALARMS CONNECTOR   25 PIN  D  TYPE FEMALE    Table 2 3  System Alarms Connector                                                                         Pin Description   1 Backup Traffic Modem Common   2 Backup Traffic Modem  9     Normally Open   3 Backup Traffic Modem  7     Normally Open   4 Backup Traffic Modem  5     Normally Open   5 Backup Traffic Modem  3     Normally Open   6 Backup Traffic Modem  1     Normally Open   7
50. RCK  EBA  RBS  RIT  RTC  RFM  RIP    EFM  ESA  TST  MSK  EFR  SSI  RTE  TTA  ODU  TBA  RBA  TVL  RVL  DTY  ITY  TET  RET  ITD  IRD    NO ERROR   Tx Frequency   Tx Data Rate   Tx FEC Type   Tx Reed Solomon type  Tx FEC Code Rate   Tx Modulation   Tx Spectrum Inversion  Tx Scrambler state   Tx Power Level   AUPC enable   AUPC parameters   Tx Clock source   Tx Carrier state   Tx Interface Type   Tx Ternary Code   Tx Framing Mode   Tx IF Impedance    Rx Frequency   Rx Data Rate   Rx FEC Type   Rx Reed Solomon type  Rx FEC Code Rate   Rx Modulation   Rx Spectrum Inversion  Rx DeScrambler state  Rx Sweep Width   Rx Clock source   EbNo Alarm point   Rx Buffer Size   Rx Interface Type   Rx Ternary Code   Rx Framing Mode   Rx IF Impedance    Unit EDMAC Mode   EDMAC Slave Address   Unit Test Mode   Unit Alarm Mask   External Frequency Reference  Statistics Sampling Interval  Rx Terrestrial Alarm Enable  Tx Terrestrial Alarm Mask  ODU comms Enable   Tx Backward Alarms   Rx Backward Alarms   Tx audio Volume   Rx audio Volume   Drop Type   Insert Type   Tx ESC Type   64k or 2 audio  Rx ESC Type   64k or 2 audio  Invert Tx Data   Invert Rx Data       3 17    CRS 300 1 10 Redundancy Switch  Front Panel Operation    00    02  03  04  05    07  08    10  11  12  13    15  16    18  19  20  21    23  24    26  27  28  29    31  32    34  35    Revision 4  MN CRS300 IOM    e For the CDM 570 modems  the code is the decimal number indicating the    parameter within the MGC configuration code     
51. S300 IOM    Query Response to query     Code         target to controller   qualifier     N A N A   NUE  NUE xx   see description of  arguments     CRS 300 1 10 Redundancy Switch  Remote Control    Parameter Type Command Arguments for   Code and Command or    qualifier  Response to  Query  Retrieve Next 5      80 bytes  unread Stored  Events  Clear All Stored CAE  None  Events    Description of arguments     note that all arguments are ASCII numeric codes  that  is  ASCII codes between 48 and 57     Query only     Switch returns the oldest 5 Stored Events  which have not  yet been read over the remote control     Reply format      cr Sub body cr Sub body cr Sub body cr Sub body  cr Sub   body  where Sub body      Kis the fault clear indicator  where      Fault  C   Clear      Info    L is the faulting clearing unit  values  1 2    9 A B C D  indicating modems 1 2   9 A modem 10  B RM   C Switch  D Info    M being the fault code  where the value depends on faulting  unit     Switch codes        1 to F  indicating the position of the  fault within the FLT string     Modem codes are  1  Unit  2  Rx traffic  3  Tx traffic    Info codes are  0  Power off  1  Power on  2  Log  cleared    ddmmyy is the date of the event  international format    hhmmss is the time of the event    If there are no new events  the unit replies with RNE   If  fewer than 5 events remain  the last positions are filled with  zeroes    Command only    Instructs the unit to clear all Stored Events    This com
52. T OF PACKET    Controller to Target  This is the character   lt    ASCII code 60   Target to Controller  This is the character   gt    ASCII code 62     Because this is used to provide a reliable indication of the start of packet  these two  characters may not appear anywhere else within the body of the message     CRS 300 1 10 Redundancy Switch Revision 4  Remote Control MN CRS300 IOM    A 4 4 ADDRESS    While up to 9 999 devices can be uniquely addressed  connection to the 1 N Redundancy  Switch imposes some basic limitations     In EIA 232 applications  the Switch address is fixed at 0000     In EIA 485 applications  the Switch may be set to an address of 1000  3000  5000 or  7000  This allows up to 4 Switches to be connected on the same bus     The 11 modems that may be connected to the Switch may be accessed for remote monitor   amp  control through the Switch via virtual addresses  The details of this addressing scheme  is shown in Appendix C  Valid remote commands and queries that can be sent to the  modems via the Switch depend upon the Modem protocol and the installed options   Please consult the appropriate Modem manual for further information     Note that in despite the Switch comms being set up for either        232 or EIA 485 mode   the internal link between the Switch and the Modems is always fixed at ELA 232  9600  baud  8 N 1  Each modem must be configured               232 control via its front panel     1  The controller sends a packet with the address of a
53. TBD    12 TWISTED PAIRS PLUS DRAIN WIRE   OVERALL FOIL BRAID SHIELD    25 PIN DFEMALE          6  UNITFAULT        25 PIN D TYPE FEMALE          Figure B 5  Switch To Modem Cable   RS232 422 V 35 LVDS      25 PIN  D                 B 5    CRS 300 1 10 Redundancy Switch Revision 4  Cable Drawing MN CRS300 IOM    Figure B 6 shows the DB 15 data cable required when using G 703  to connect the TMIs  and RMI to the modems     TO MODEM TO SWITCH    15 PIN D TYPE MALE  B                           15 PIN D TYPE FEMALE            OVERALL SHIELD DRAIN WIRE    NOTES     USE METAL BACKSHELLS  FOR D TYPE CONNECTORS    ENSURE SHIELDING FOIL  AND OR BRAID IS BONDED  TO METAL BACKSHELL FOR  EMC SHIELDING    5  E  a    D TYPE FEMALE       12 TWISTED PAIRS PLUS DRAIN WIRE    OVERALL FOIL BRAID SHIELD    Figure B 6  Switch To Modem Cable   G 703      15 PIN  D  TYPE       B 6    Appendix     Addressing Scheme  Information    C 1 INTRODUCTION    A CRS 300 Switch provides 1 10 redundancy  It is capable of controlling up to 10 Traffic  Modems        one Redundant Modem  It uses EIA 232 communication via the 25 pin  cables that are connected between each TMI  Traffic Modem Interface  and Traffic  modem     If the modems are configured for EDMAC framing  Monitor  amp  Control  M amp C   information may be communicated to the modems and transceivers at the distant end of  the link  In order for an M amp C application to be able to communicate with the various  devices connected to the Switch  the cor
54. Tx2   Tx IF  Ch2 Rx3 Rx IF  Ch3  Tx3   Tx IF  Ch3 Rx4 Rx IF  Ch4  Tx4   Tx IF  Ch4 Rx5 Rx IF  Ch5  Tx5   Tx IF  Ch5 Rx Bu Rx IF  Ch Bu  Tx6   Tx IF  Ch6 Rx6 Rx IF  Ch6  Tx7   Tx IF  Ch7 Rx7 Rx IF  Ch7  Tx8   Tx IF  Ch8 Rx8 Rx IF  Ch8  Tx9   Tx IF  Ch9 Rx9 Rx IF  Ch9  Tx10   Tx IF  Ch10 Rx10 Rx IF  Ch10  Switch Control   ic switch Control                 Once the applicable transponder configuration and cabling has been completed  the    Switch is ready for the next procedure  Configuring Automatic Operation Mode        2 15    CRS 300 1 10 Redundancy Switch Revision 4            Introduction and Initial Setup MN CRS300 IOM  CRS 280 IF Switch             D                              CDM 600 Modem  Connected to CRS 280  Channel  5                CDM 600 Modem  Connected to CRS 280  Channel  1             CDM 600 Modem  Connected to CRS 280  RMI Channel             Figure 2 6  Cabling example CRS 280 to CDM 600 Modems   RMI and Channels  1  amp  5 Only Shown        2 16    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 7 3 MANUAL MODE OPERATION    After the IF cabling is finished  the system should be completely operational  however  it  is still operating in Manual mode  While in the Manual mode  the user can manually  select which Traffic Modem will be bridged or backed up     While in Manual mode  the Switch does not automatically react to any Traffic Modem  failures it detects  Comtech EF Data recommends that an unattended syst
55. When an IF Switch is present  the second line will indicate     PRESENT     and any offline modem  TM or RM  will not have its Tx IF muted by the  CRS 300        3 13    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 4 4 4  INFO  REMCONT  REMOTE CONTROL INFO     REM CNTL  ON RS232    ADDR 0000 9600 BAUD 8N1       This screen shows if the unit is in LOCAL or REMOTE mode  and gives details of the  electrical interface type  the unit address  the baud rate  and data format  Pressing ENTER  takes the user back to the previous menu     3 4 4 5  INFO  MASK  ALARM MASK INFO     ALARMS MASKED   MODEM TX    MODEM RX  LPSU A PSU BN       This screen shows the alarms that are currently masked  If an alarm is not masked  a  blank is displayed in the relevant screen position  Power Supplies A and B cannot be  masked at the same time  but are shown together here to indicate their relative positions  on the screen     3 4 5 MONITOR    MONITOR  STATUS  SW ALARM    STORED EVENTS  COMM STATE       The user is prompted to select STATUS  SW ALARM  STORED EVENTS  or COMM   STATE  state of I O communications with the modems  using the LEFT RIGHT arrow  keys  then to press ENTER        3 14    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 4 5 1  MONITOR  STATUS    TM 02 IS BRIDGED BY RM    BACKUP HOLDOFF  05 SEC       This screen shows the status of the Switch     When the Redundant Modem is not backing up any of the Traffic
56. _ OMTECH         DATA                 CRS 300    1 10 Redundancy Switch    Installation and Operation Manual  Part Number MN CRS300 IOM  Revision 4                            DATA             CRS 300    Comtech EF Data is an ISO 9001 1 10 Redundancy Switch    m Installation and Operation Manual    Part Number MN CRS300 IOM  Revision 4   December 14  2004          Copyright     Comtech EF Data  2000  All rights reserved  Printed in the USA   Comtech EF Data  2114 West 7th Street  Tempe  Arizona 85281 USA   480  333 2200  FAX   480  333 2161    CRS 300 1 10 Redundancy Switch Revision 4  Preface MN CRS300 IOM    CUSTOMER SUPPORT    Contact the Comtech EF Data Customer Support Department for      gt  Product support or training   gt  Information on upgrading      returning a product   gt  Reporting comments or suggestions concerning manuals    Contact Customer Support using any of the following methods     Mail  Comtech EF Data Email  service comtechefdata com  Customer Support Department  2114 West 7th Street Internet  www comtechefdata com    Tempe  Arizona 85281 USA    Phone  480 333 2200  Main Comtech EF Data Number   480 333 4357  Customer Support Desk   Fax  480 333 2161    To return a Comtech EF Data product  in warranty and out of warranty  for repair or  replacement     1  Request a Return Material Authorization  RMA  number from the Comtech EF Data  Customer Support Department     2  Be prepared to supply the Customer Support representative with the model number   seria
57. acket are printable ASCII characters  less than ASCII code 127  In  this context  the Carriage Return and Line Feed characters are considered printable          messages from controller to target require a response  with one exception   This will  be either to return data that has been requested by the controller  or to acknowledge  reception of an instruction to change the configuration of the target  The exception to this  is when the controller broadcasts a message  such as Set time date  using Address 0   when the target is set to EIA 485 mode     A 2    CRS 300 1 10 Redundancy Switch Revision 4  Remote Control MN CRS300 IOM    A 4 PACKET STRUCTURE       4 1 CONTROLLER TO TARGET    Start of Target Address Instruction Code Optional End of   Packet Address De limiter     Code Qualifier Arguments Packet    lt            Carriage Return   ASCII code 60 ASCII code 47 ASCII codes ASCII code 13  61 or 63     1 character   4 characters     1 character   3 characters     1 character   n characters   1 character     Example   lt 0000 RSH 30 cr        4 2 TARGET TO CONTROLLER    Start of Target Address Instruction Code Optional End of  Packet Address De limiter     Code Qualifier Arguments Packet  2 I       l        Carriage Return   ASCII code 62 ASCII code 47 ASCII codes Line Feed  61 63 33 or 42 ASCII codes   From 0 to n 13 10   1 character   4 characters     1 character   3 characters     1 character  characters   2 characters     Example   gt 0000 BBU 107 cr   If     A 4 3 STAR
58. branch permits the user to define the remote control settings   ACTIVE Permits the user to activate modems  if a TMI is present   The Switch may be monitored over the remote control bus at any time  When in  Local mode  however  configuration parameters may only be changed through the  front panel  Conversely  when in Remote mode  the unit may be monitored from the  important front panel  but configuration parameters via may only be changed remote control    us     3 4 3 1  CONFIG  MANUAL    MANUAL SELECT     BRIDGE 02 BACKUP  02       The user may manually select which Traffic Modem is to be bridged or backed up  When  the Switch is in Manual mode  Auto is OFF   both of these selections are available  Use  the LEFT RIGHT keys to select between Bridge and Backup  Use the UP DOWN keys to  scroll through all active Traffic Modems  skipping inactive modem slots  Press ENTER    to configure     When in Auto mode  the Switch has control  and will automatically back up any active  Traffic Modem  based on its fault relay activity  In this case  the Manual Select screen  would appear as shown below        3 6    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    MANUAL SELECT     BRIDGE 02 BACKUP  AUTO       In Auto mode  the BACKUP selection is unavailable for manual selection  but the  Modem being bridged may be changed  Use the UP DOWN keys to scroll through all  active Traffic Modems  skipping inactive modem slots  Press ENTER to configure     When 
59. d a sealed membrane  overlay  The keys have a positive  click   action for tactile feedback  These six switches  are identified as follows            A                                              Symbol   Function   UP   Edits the value at the current cursor position  if appropriate    ARROW Increments the value of a numeric field    DOWN     Edits the value at      current cursor position  if appropriate    ARROW Decrements the value of a numeric field    RIGHT  gt  Moves the cursor to the right  when it is displayed    ARROW   LEFT     Moves the cursor to the left  when it is displayed    ARROW   ENTER ENT Accepts an edited entry  Most menus prompt users to press this key  by displaying the text  PRESS ENTER    ENTER  or  ENT   Press  ENT to accept the entry and display the previous menu    CLEAR CLR Exits the current operation and displays the previous menu without  accepting any configuration changes                    The keypad has an auto repeat feature  If a key is held down for more than 1 second   the key action will repeat  automatically  at the rate of 15 keystrokes per second  This    important  5 Particularly useful when editing numeric fields     3 3 LED INDICATORS    Table 3 1 describes the three LEDs at the top left of the front panel  These LEDs reflect  the condition of the Switch itself        CRS 300 1 10 Redundancy Switch  Front Panel Operation    LED Color  Red   Green  Off    UNIT STATUS    STORED EVENT Orange  Orange   Flashing     Off  REMOTE  Orang
60. de Operations ioo ee a        2 17  2 7 4 Automatic Mode Operation                                                                 2 17  2 7 5 Backup Holdoff                                                                                         2 17  2 7 6 Restore Holdolt ODSrallOfl sce tete           2   18  205 Alam Masking  lt 5                                                                                          2   18  2 8 CRS 300 Connector            6                                                                         2   19  2 9 TMI Module Configurations                          een 2 26  CHAPTER 3  FRONT PANEL OPERATION                                                              3 1        Front Panel        5n ern eere eh inta rete EE Rep cheesiesatacauercdetsseteissains estan 3 1  3 2  Front Panel Keys                                                                                              3 2  9 9                         CIE t 3 2  92 4 Menu TI6B3                                                                     3 3  947  Opening Screen sananen Dine DI nau nied Dad ami d          3 5  32522 SOC m                                                                3 5  34 3    CONFIG                   3 6  3 44  INFO  Information  eer           3   12  SAO                            E OEE REEE 3   14  3 4 6 Store LD  Store or Load Configuration                                                         3   20         UTE            e    a                    
61. e    The front panel contains    Revision 4  MN CRS300 IOM    Table 3 1  Switch LED Indicators    Condition   A Switch Fault exists  Example  PSU fault or COMMS failure  No Switch Faults   No Stored Events   Stored Events exist for the Switch     CAUTION  Switch is in Manual mode     Switch is in Local Mode  Remote monitoring is possible  remote  configuration control is not allowed     Switch is in Remote Mode  Configuration changes are disabled via  the front panel keypad    six LEDs  Status  Transmit Prompt  Receive Prompt  Deferred     On Line  Bridge  for each Traffic Modem connected to the rear of the Switch  and two  LEDs  Fault  On Line  each for the Redundant Modem       of these LEDs are described    in Table 3 2     Table 3 2  Transmit and Receive Traffic Modem LED Indicators                                                          LED Color Condition  Red A Unit Fault exists  UNIT STATUS Orange No Unit Faults  but a Traffic Fault exists or the TMI is not  plugged in   Green No Unit Faults or Traffic Faults  TRANSMIT Green No Tx Traffic Faults  PROMPT OFF A Tx Traffic Fault exists or the TMI is not plugged in  RECEIVE Green No Rx Traffic Fault exists  PROMPT OFF A Rx Traffic Fault exists or the TMI is not plugged in  Orange Deferred Maintenance Alarm exists on this modem   DEFERRED  OFF  Green The Unit is Online and carrying traffic  ONLINE              The Unit is Offline  Standby      forced by the Switch  Orange Modem is currently being Bridged by Redundant Mode
62. e  configured and to lock onto the signal        2 17        5 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 7 5 1 SET THE BACKUP HOLDOFF PERIOD    1 Go to the CONFIG  OPTIONS  HOLDOFFS menu   2   Change the BACKUP HOLDOFF to any number in the range of 2 to 99 seconds     2 7 6 REsTORE HOLDOFF OPERATION    The  Restore Holdoff  setting  which is also programmable from 2 to 99 seconds   determines the Switch s ability to automatically put a backed up Traffic Modem online  again if its fault goes away  Normally  a failed Modem that was taken offline will remain  offline indefinitely  If the fault goes away  traffic will be returned to the unit  in Auto  mode  only if another Traffic Modem then fails  If the fault on the originally failed  Modem has been clear for the full programmed Restore Holdoff time  the Switch places  that Modem back online  and bridges the newly faulted Modem  If the new fault is  sustained  the Redundant Modem can then be used to backup the newly faulted Modem     The Switch deals with Traffic Modem failures on a  first come  first serve  basis  If the  user sets the Switch to bridge the highest priority circuit  switching time will be  minimized in the event of a failure  If two faults occur simultaneously  and are both  sustained for the holdoff time  the lower number circuit will be backed up     2 7 6 1 SET THE RESTORE HOLDOFF PERIOD    1 Go to the CONFIG  OPTIONS  HOLDOFFS menu   2   Change the RESTORE HOLD
63. ective companies and are hereby acknowledged     REPORTING COMMENTS OR SUGGESTIONS CONCERNING THIS MANUAL    Comments and suggestions regarding the content and design of this manual will be  appreciated  To submit comments  please contact the Comtech EF Data Customer  Support Department     OVERVIEW OF CHANGES TO REVISION 4     Appendix C  Added Addressing Scheme Information  Added information for the CDM 570 and CDM 570L Satellite Modems     EMC COMPLIANCE    This is a Class A product  In a domestic environment  it may cause radio interference that  requires the user to take adequate protection measures     EN55022   1997 COMPLIANCE    This equipment meets the radio disturbance characteristic specifications for information  technology equipment as defined in EN55022     EN55024   1998 COMPLIANCE    This equipment meets the electromagnetic compatibility Information technology  equipment     Immunity characteristics     Limits and methods of measurement per      55024 1998     FEDERAL COMMUNICATIONS COMMISSION  FCC     This equipment has been tested and found to comply with the limits for a Class A digital  device  pursuant to Part 15 of the FCC rules  These limits are designed to provide  reasonable protection against harmful interference when the equipment is operated in a  commercial environment     viii    CRS 300 1 10 Redundancy Switch Revision 4  Preface MN CRS300 IOM    This equipment generates  uses  and can radiate radio frequency energy  If not installed  and used in
64. em  2      CSAT 482        7315  2  5 CSAT addresses        set   Distant end offline modem of     8 automatically by the modem a 1 1 pair is currently not able  g when the modem ODU to be polled  The offline modem s  3 control is enabled  so it is configuration is controlled by  g important that the modem the online modem         be configured first   Modem  9        0 e Modem  1               7911   CSAT  1 MCA 7914    ESAR 7910  MCA 7900    Modem  2   CSAT  2        7915        Modem  10 RCA 0 Modem  1   MCA ESA 8011  A  CSAT  1 MCA 8014              ESAR 8010   Modem  2           CSAT  2        8015  MCA 8000  M             iar     5  Modem  1               8111      CSAT  1 MCA 81 14              gt           ESAR BIN     Modem  2 CSAT  2        8115                          2       RS 485 serial connection           Switch MCA RCA 7000       LEGEND  MCA   Address used for Monitor  amp  Control applications   Set via modem front panel     RCA   Remote Control address  ESAR   EDMAC Slave Address Range on an EDMAC Master modem  local end   ESA   EDMAC Slave Address on an EDMAC Slave modem  distant end              4    CRS 300 1 10 Redundancy Switch Revision 4  Addressing Scheme MN CRS300 IOM    C 3 1 SETTING UP MODEMS    Local Modem m  where m is modem position number  1 through 10  on Switch   MCA    Switch RCA     100 x m    Set EDMAC Framing on    Set as EDMAC master    Set with EDMAC Slave Address Range  ESAR   RCA   10    Distant Modem    attached to the Distant end 
65. em be  configured to operate in Auto mode     2 7 4 AUTOMATIC MODE OPERATION    When Auto mode is enabled  the first active Modem that fails 15 first bridged by the  Redundant Modem  and then backed up  To enable AUTO mode     1 Go to the CONFIG  AUTO menu and turn on AUTO mode   2 Verify that the Stored Event LED stops blinking     Additional configuration settings are useful for fine tuning the Switch s Auto mode   These settings  Backup Holdoff  Restore Holdoff  and Alarm Mask are described next     2 7 5 BACKUP HOLDOFF OPERATION    When in Auto mode  additional delays may be introduced to the backup procedure by  setting the number of seconds for a  backup holdoff   The default backup holdoff period  is 10 seconds  a minimum of 2 seconds is allowed      If a Traffic Modem fails  the Switch waits for the backup holdoff time to determine two  things  1  does the Traffic Modem remain faulted  and 2  is the Redundant Modem not  exhibiting the same fault  If the answer is yes to both questions for the entire backup  holdoff time  then the Switch first bridges the faulted modem with the Redundant  Modem  If the fault is sustained  then the switchover to the Redundant Modem 15  completed and the traffic is carried by the Redundant Modem     A Holdoff time prevents unwarranted backups due to an intermittent fault     Note  There will be no switchover if the Redundant Modem is faulted  Ensure that the  Holdoff times are long enough  default 10 seconds  for the Redundant Modem to b
66. f the Redundant  Modem  e g  when just completed a firmware upload  This cable loads the bus   and the Switch comms will fail  An external comms cable may only be connected  to the Switch  Communication to the Modems must be achieved via the Switch   using the addressing scheme detailed in Appendix C     SWITCH ALARM  RM PROBLEM    MGC refused  code 12 TFT       Example of Redundant Modem Configuration problem        Comms are good to the Redundant Modem  but something within the configuration  of the bridged Traffic Modem cannot be configured into the Redundant Modem   Ensure the most capable modem is used for the Redundant  with regard to FAST  options and installed options  e g  Turbo card and firmware version  The code  indicates the parameter within the MGC configuration string that is causing the  Redundant modem to refuse it  The three letter instruction code is indicated also to  assist decoding the problem parameter        3 16    CRS 300 1 10 Redundancy Switch  Front Panel Operation    00  01  09  12  13    15  16    18  1    1D  23    25  26    28    29  31    3B  3C    3E  3F  40  42    47  4      4E  4F    50    55  56    5D  5E  5F  60    65  69    71  72  73  74    76    Revision 4  MN CRS300 IOM    e For the CDM 600 modems  the code is the hex value of the position of the    problem parameter within the MGC configuration code     TFQ  TDR  TFT  TRS  TCR  TMD  TSI  TSC  TPL  AUP  APP  TCK  TXO  TIT  TTC  TFM  TIP    RFQ  RDR  RFT  RRS  RCR  RMD  RSI  RDS  RSW  
67. figured     Local Transceiver 1  linked to Modem m on the Switch      Set up the Modem Remote Control Address  RCA   first  as shown above   On the Modem  key to Enable ODU   Transceiver MCA   Modem RCA   1     Local Transceivers 1  amp  2  1 1 configuration  attached to Modem m on the  Switch    Set up the Modem RC Address  RCA   first  as shown above     On the online Modem  key to Enable ODU  The Modem automatically sets the  Transceiver addresses   MCA of Transceiver  1   Modem RCA   1   MCA of Transceiver  2   Modem RCA   2       Distant Transceiver    stand alone    Set up the Modems  first  as shown above     On the Modem  key to Enable ODU  The Modem automatically sets the  Transceiver address   Transceiver                     4            3    Distant Transceivers 1  amp  2  1 1 configuration    Set up the Modem  first  as shown above     On the Modem  key to Enable ODU  The Modem automatically sets the  Transceiver addresses   MCA of Transceiver  1   ESAR   4   MCA of Transceiver  2   ESAR   5          C 6    CRS 300 1 10 Redundancy Switch Revision 4  Addressing Scheme MN CRS300 IOM    C 3 3 M amp C APPLICATION    The system is set up such that it may communicated to by an M amp C application  e g   SatMac or CMCS  In the SatMac program  enter the Monitor  amp  Control Addresses   MCA  into the Link Edit Mode screen        C 7    CRS 300 1 10 Redundancy Switch Revision 4  Addressing Scheme MN CRS300 IOM    NOTES        C 8        Activate The Desired Traffic Modems 
68. here nis   invalid arguments found  0109    CST   message OK  but not  permitted in current mode     Revision 4  MN CRS300 IOM    Response to query   target to controller     SID XXXXXXXXXXXXXXXXX  XXXXXXX     see description of  arguments     SGC OaaaaaaaaaaBNN  bbrrMSAssssssss     see description of  arguments     Returns the same format  as the SGC  with the  form     CSTzxxx    xxx for a  valid config  and    CST  where no valid  config is found    CRS 300 1 10 Redundancy Switch  Remote Control    Parameter Type Command Arguments for   Code and Command or    qualifier  Response to  Query  Config Load CLD  1 byte  numerical   0 to 9  Number of       2 bytes  numerical  Unread Stored  Events    Description of arguments     note that all arguments are ASCII numeric codes  that  is  ASCII codes between 48 and 57     Command only     Forces the Switch to retrieve the Configuration Memory  location defined by the argument  0 to 9  and to re program  the Switch with that stored configuration     Query only     Switch returns the number of Stored Events  which remain  unread     Note  This means unread over the remote control  Viewing  the stored events from the front panel of the modem does  not affect this value     Example  NUE 98    A 12    Response to Command   target to controller     CLD   message          CLD   received OK  but  invalid arguments found     CLD   message OK  but the  memory location does not  contain configuration info                              4  MN CR
69. ic protection of traffic  circuits in the case of equipment failure  and is intended for hub applications  It was  developed for use with the Comtech EF Data CDM 600 and CDM 600L modems  and  has been further developed to provide control for the CDM 570 and CDM 570L  modems  It is an extension of the Comtech EF Data CRS 200 Redundancy Switch  which  was developed for the CDM 500 series modems     The Switch is capable of controlling four different modem models  but it is important to  note that only one model type may be connected as a switch system  In simple terms  the  redundant modem has to be capable on doing everything that a traffic modem might be  set up to do  This is important also when considering options that may be installed in the  modems     Where protection of the IDR overhead signals  backward alarms  audio ESC  data ESC   etc  is desired  the CRS 350 module may be added     If all Modems within a group are connected to the same up down converter  no external  IF switching is required  However  where operation with more than one up down   converter is required  the user may add the CRS 280 IF Switch  which permits  connection to as many converters as there are Traffic Modems     The CRS 300 incorporates the following key reliability features     e Twin  independent  AC power supplies  e Primary traffic paths are maintained  error free  when AC power is removed     e A Traffic Modem Interface can be completely removed from the CRS 300  with  its cables still a
70. itch and CRS 350 ESC Switch        CRS 300 1 10 Redundancy Switch  Introduction          1 or        User  Terrestrial                   1 or        5 240  Power Supply  CRS 240  Power Supply    CRS 300 Data Switch       Control    Revision 4  MN CRS300 IOM    User Alarms   3   Audio   Overhead    CRS 350 ESC Switch   Optional     Control    CRS 280  IF Switch  Modem   1  Optional                                Converters   Modem   10                From Down  Modem  11 Converters             CRS 230  CRS 300    System Controller  Front Panel Keypad   LCD and LED Display       System Alarms       Figure 1 2  Redundancy System Level Block Diagram       1 5    CRS 300 1 10 Redundancy Switch Revision 4  Introduction MN CRS300 IOM    1 2 DESCRIPTION OF ASSEMBLIES    1 2 1 CRS 300 DESCRIPTION    FRONT PANEL   Figure 1 3 is an illustration of the front panel  The CRS 300 is  constructed as    40 high rack mounting chassis that can be freestanding  if desired  It is  provided with rack handles at the front for easy removal from and placement into a rack     LED INDICATORS KEYPAD VACUUM FLUORESCENT DISPLAY                   CRS 300 SWITCH              storep event S N 021459243 SW VER 1 08  REDUNDANCY SWITCH    REMOTE    UNIT STATUS    nr status    TRANSMIT PROMPT    TRANSMIT TRAFFIC  RECEIVE PROMPT    RECEIVE TRAFFIC  DEFERRED    DEFERRED  ON LINE    onune    BRIDGED                                                    1                       000000   000000  000000    REDUNDANT  TRAF
71. l number  and a description of the problem     3  To ensure that the product is not damaged during shipping  pack the product in its  original shipping carton packaging     4  Ship the product back to Comtech EF Data   Shipping charges should be prepaid      For more information regarding the warranty policies  see Warranty Policy  p  xi     Table of Contents    CHAPTER 1  INTRODUCTION                2 2  2   2  2  42 2 2  2        2            1 1                                                                                  A E 1   2  1 1 1 Compatibility                                       1 4  1 1 2 Redundancy System Level Block                                           1 4  1 2 Description of Assemblies                                                 1 6  1 2 1  CRS 300 DBSCHDLOL e         1 6  1 2 2 Optional CRS 280 IF Switch Description                          1 10  1 2 3 Optional CRS 350 ESC  Engineering Service Channel  Switch                   1 11  1 3                                                       nnn eae a eee 1 12  CHAPTER 2  INSTALLATION              5                            ooa oorr oS            ndo orna on aUe                     2 1  2 1 Unpacking and                                                       2 1  2 2 System                                               2 1  2 21           AOW                              RE SECO          Satta IR DIRMI S ES 2 2  2 2 22 Rack Mounting Instruellofis  uode                                    2 2  2 3 
72. m  BRIDGED           Modem is not being Bridged    3 4 MENU TREE    Figure 3 1 shows the menu structure of the CRS 300  The detailed screens and menus  are described individually        3 3    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    CRS 300 Menu Tree        SELECT  CONFIGURE                           CONFIGURE   INFORMATION MANUAL _________________   MANUAL SELECT   MONITOR AUTO BRIDGE   MODEM NUMBER   STORE LOAD OPTIONS BACKUP   MODEM NUMBER   UTILITY REMOTE CONTROL  ACTIVE  OPERATING MODE   AUTO ON  AUTO OFF  INFORMATION   SWITCH ID OPTIONS   SETUP HOLDOFFS  IF SWITCH ALARM MASKS HOLDOFFS   22    BACKUP HOLDOFF  RESTORE HOLDOFF  ALARM MASKS   MODEM ALARMS  SWITCH ALARMS  AUDIO  REMOTE CONTROL   LOCAL  MONITOR  REMOTE           gt  REMOTE CONTROL   STATUS BAUD RATE  INTERFACE    SWITCH ALARMS SELECT ACTIVE    STORED EVENTS MODEMS  COMM STATE  STORED EVENTS     VIEW  CLEAR ALL  STORE LOAD   STORE  LOAD  UTILITY     REAL TIME CLOCK  DISPLAY BRIGHTNESS  EDIT SWITCH ID    Figure 3 1  Menu Trees       3 4    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 4 1 OPENING SCREEN    COMTECH CRS 300 SWITCH    SN 021459243 VER 1 20       This screen is displayed whenever power is first applied to the unit  Pressing any key will  take the user to the top level selection screen     3 4 2 SELECT    SELECT  CONFIG INFO    MONITOR STORE LD UTIL       The user is presented with the following choices                  
73. mage is evident  contact the carrier and Comtech EF Data immediately and submit a    damage report     6 If the unit needs to be returned to Comtech EF Data  use the original shipping container     Note  Be sure to keep all shipping materials for the carrier s inspection     2 2 SYSTEM REQUIREMENTS    IMPORTANT    For the CRS 300 to operate correctly  all Traffic Modems and the Redundant Modem  must be of the same model  Permitted modem models are   CDM 600  Firmware Version 1 1 5 or later    CDM 600L     Firmware Version 1 1 1 or later  CDM 570  Firmware version 1 4 1 or later  CDM 570L     Firmware Version 1 3 1 or later    If the modems do not meet this requirement  proceed as follows   Go to  www comtechefdata com  Click on  downloads flash upgrades flash firmware data files appropriate modem    Note  The Switch communicates with the attached modems via the 25 pin cable that  provides the EIA 232 communication path  Each modem must be configured for  communication  EIA 232  9600 baud  8 N 1  address 0  default         2 1    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 3 INSTALLATION    2 3 1 PROVIDE AIRFLOW    Typically  the CRS 300 is mounted in a rack along with all the Modems with which it is  to operate  so it is important to ensure that there is adequate clearance for ventilation   Since the Switch itself is relatively passive  no additional clearance is needed between it  and the nearest Modem     In rack  systems whe
74. mand takes no arguments     A 13    Revision 4  MN CRS300 IOM    Response to Command Query Response to query    target to controller   Code         target to controller    qualifier    N A RNE  RNE  cr JKLMddmmyyhh  mmss cr KLMddmmyyhh  mmss cr KLMddmmyyhh  mmss cr KLMddmmyyhh  mmss cr KLMddmmyyhh  mmss   see description of  arguments    CAE   message OK  N A N A    CAE   message OK  but  not permitted in current  mode     CRS 300 1 10 Redundancy Switch  Remote Control    Parameter Type Command Arguments for   Code and Command or  qualifier  Response to   Query  Date DAY  6 bytes  numerical  Time TIM  6 bytes  numerical    Serial Number       9 bytes  numerical    Software        Revision    4 bytes  numerical    Equipment ID N A 4 bytes  alpha     numeric    Modem type       3 bytes  alpha     numeric    Description of arguments     note that all arguments are ASCII numeric codes  that  is  ASCII codes between 48 and 57     Command or query     The date  in the form ddmmyy  international date  convention   where     dd   day of the month  between 01 and 31   mm   month of the year  between 01 and 12  and    yy   year  between 97 and 96  1997 to 2000  then 2000  to 2096     Example  DAY 240457 would be April 24  2057     Command or query   The time from midnight  in the form hhmmss  where  hh   hours  between 00 and 23   mm   minutes  between 00 and 59  and  ss   seconds  between 00 and 59  Example  TIM 231259 would be 23 hours  12 minutes and  59 seconds from midnight   Quer
75. ment is not valid  the target will acknowledge the  message by replying  for example  with BKH   without message arguments    This indicates that there was an error in the argument of the message sent by the  controller     The   code  target to controller  is only used as follows     If the controller sends an instruction to set a parameter to a particular value  then   if the value sent in the argument is valid  but the modem will not permit that  particular parameter to be changed at that time  the target will acknowledge the  message by replying  for example  with BKH   with no message arguments      The   code  target to controller  is only used as follows     If the controller sends an instruction code that the target does not recognize  the  target will acknowledge the message by echoing the invalid instruction  followed  by the   character with  Example  XYZ     A 4 7 MESSAGE ARGUMENTS    Arguments are not required for all messages  Arguments are ASCII codes for the  characters 0 to 9  ASCII 48 to 57   A to Z  ASCII 65 to 90   period  ASCII 46  and  comma  ASCII 44      A 4 8 END OF PACKET  Controller to Target  This 15 the  Carriage Return  character  ASCII code 13     Target to Controller  This is the two character sequence  Carriage Return      Line Feed     ASCII code 13  and code 10      Both indicate the valid termination of a packet     A 6    CRS 300 1 10 Redundancy Switch Revision 4  Remote Control MN CRS300 IOM    A 5 REMOTE COMMANDS             A 10        
76. ms                      2 10  Figure 2 6  Cabling Example CRS 280 to CDM 600 Modems                                   2   16  Figure 2 7   CRS 370  HSSI to LVDS Module          ernannt ctr tr cnini 2 26  Figure 3 1  Principle Menu Trees                    acce          2  3 4  Figure B 1  PC 9 Pin Serial Port to CRS 300 EIA 232 Remote Control Port               B 1  Figure B 2  HSSl Data                   e rint roro ier    2  Figure B 3         530 to EIA 422 449 DCE Conversion                                                 B 3  Figure    4  EIA 530 to V 35 DCE Conversion Cable                                                   B 4  Figure B 5 Switch to Modem Cable  RS232 422 V 35 LVDS  25 Pin                         B 5  Figure B 6  Switch to Modem Cable  G 703  15 Pin                                                  10 5    CRS 300 1 10 Redundancy Switch Revision 4  Preface MN CRS300 IOM    Tables    Table 1 1  CRS 300 Specifications          et eoe br Ene ERE eS FEE PE Ehe FERE Ene E EP ERE FERRE    1 12  Table 1 2  CRS 280 Specifications                                                      1 14  Table 1 3  CRS 350 Specifications    teet run ico aa de eta        taa    iate etes to dnte 1 14  Table 2 1  CRS 300 to Modem Data Connections                                                       2   5  Table 2 2  CRS 280 IF Switch                                          000000000             2 15  Table 2 3  System Alarms                                     2 19  Table 2 4  IF
77. n  D  type female connector  G 703 balanced   DDI  DDO  IDI  IDO    4  BNC type female connectors  G 703 unbalanced   DDI  DDO  IDI  IDO         CRS 340   EIA 422  232  LVDS  G 703 Mixed Interface   1  25 pin  D  type female connector  EIA 422 530 DCE  V 35  Sync EIA 232  LVDS   1  15 pin  D  type female connector  G 703 balanced   DDI  DDO  IDI  IDO    2  BNC type female connectors  G 703 unbalanced   DDI  IDO         CRS 370     HSSI Interface   1  SCSI 2 type female connector  HSSI   Interface types may be mixed in a redundancy group        Front Panel    Vacuum fluorescent display  2 lines  24 characters  tactile keypad       LED system status display showing  for all modems        Unit fault RX traffic alarm       TX traffic alarm on line off line status       Bridge status       Audible Alarm    Can be programmed to activate following various changes of state       Common Faults    Dry relay contacts       Power Supply    Two independent inputs        100 to 250 volts AC  Auto sensing       Fused IEC connectors  25 Watts maximum       Dimensions and weight    AU chassis   10 8 in  deep  27 5 cm   18 5 16   8 4 kg         Compatible modems          CDM 600          1 13       CRS 300 1 10 Redundancy Switch  Introduction    Revision 4  MN CRS300 IOM       Characteristic    Requirement       EMC and Safety Standards     EN 55022 CLASS B  Emissions   EN 50082 1  Immunity        EN 60950  Safety  FCC Part 15 Class B          Environmental          Operating temperature range
78. n Manual mode to alert the user that the Switch is  effectively not in use     3 4 3 3  CONFIG  OPTIONS    OPTIONS     HOLDOFFS ALARM MASK       The user is prompted to select various options concerning how the Switch will react to  various faults     3 4 3 3 1  CONFIG  OPTIONS  HOLDOFFS    BACKUP HOLDOFF SEC  05    RESTORE HOLDOFF SEC  10       The user is prompted to set the holdoffs  or delay times between the Switch   s modem  alarm detection and its reaction to the event  These holdoffs are only applicable when the  Switch is in Auto mode  When an active modem exhibits an unmasked fault  the Switch  bridges it with the Redundant Modem and checks that the latter is not also faulted  If  there is no fault  the backup holdoff determines how long the Switch will wait before  performing the actual backup  or switchover of traffic to the Redundant Modem     When the Switch is currently backing up a Traffic Modem  and that offline modem   s  fault clears  the Switch will continue to back it up unless another active modem becomes  faulted  In this case  the restore holdoff is the length of time that the originally faulted  modem must stay unfaulted before the Switch will automatically put it back online so that  the Redundant Modem is available to bridge the newly faulted modem  Both holdoffs can  be set from 2 to 99 seconds        3 8    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 4 3 3 2                OPTIONS  ALARM MASK    ALARM MASK  
79. n just completed a firmware upload  This cable loads the bus  and the Switch  comms will fail  An external comms cable may only be connected to the Switch   Communication to the modems must be achieved via the Switch  using the  addressing scheme detailed in Appendix C     SWITCH ALARM                  MISMATCH  POSITION 2       TMI  modem interface type mismatch     e Ensure the modem interface type is compatible with the TMI being used  The CDM   600s have both TX and RX interface types  The CDM 570s just have one unit  interface type  Either edit the modem interface setting s  or swap the TMI     3 4 5 3  MONITOR  STORED EVENTS    STORED EVENTS  VIEW    CLEAR ALL  PRESS ENTER        The user is prompted to select VIEW or CLEAR ALL  using the LEFT RIGHT arrow  keys  then to press ENTER     If the user selects CLEAR ALL  the event log is cleared  and the user is taken directly  back to the previous menu  However  if there are faults present on the unit at this time   new log entries will be generated for those faults  Note that  in accordance with  international convention  the date is shown in DAY MONTH YEAR format        3 19    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 4 5 3 1  MONITOR  EVENTS  VIEW    LOG23  26 01 00 10 37 32    FT 06 RX ALARM  UP DN        The user may scroll backwards or forwards through the entries in the event log  using the  UP DOWN arrow keys  Pressing ENTER or CLEAR will take the user back to the  previous
80. nect the cables to the modems     Mount all modems in the rack        2 2    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    Rack Side View          CRS 280    CRS 350             N      CRS 300  2                          7                                    Eleven  WZ  gt  Modems        0222222222222  12222222222                _           FERE   rp                                                                                                                        ED           GP   SEP   GP   SP   GP   exe  GP   exe  exe                   Figure 2 1  Typical Rack Mounting Configuration       2 3    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 4 CONNECTING THE CABLES    Once the Switch and all the modems have been mounted  the user must properly attach  all required cabling and configure the system for correct operation  What follows is a  step by step description of this process  Please leave the Switch and all modems powered  off until all connections are ready     2 4 1 PHYSICAL CABLE REQUIREMENTS    The 25  and 15 pin  for G 703  cables required between each modem and its plug in card   TMI or RMI  should be of shielded  twisted pair construction with the grounded shield  bonded to the back shell       pins should be wired to the same pin number at either  connector  pin to pin   with a male connector at one end and female at the other  see  CRS 300 Connector Pin outs  section 2 
81. nel   CONFIGURATION  REMOTE     b  Select REMOTE  EIA 232  9600 baud  8 N 1     c  Press the CLEAR key to exit the lower menus   If the unit is a Traffic Modem  it  may then be configured to LOCAL mode       It is possible to operate the Switch without all 10 TMI slots filled  A TMI may only be  made  active  if it is present     1 Go to the CONFIG  ACTIVE menu     2 Activate all desired Traffic Modems  using the up arrows     After ENTER is pressed  the Switch Status LED will turn red  until the Switch has polled  each of the activated Modems  and correctly programmed the bridged Modem  configuration into the Redundant Modem  Once the programming is completed  successfully  the red LED will turn green     Note  The Redundant Modem takes several seconds to configure  If the LED remains  red  check the communication status using the menus  MONITOR  COMM   STATE or MONITOR  SW ALARMS to investigate the problem        2 12        5 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 6 2 VERIFY REMOTE COMMUNICATIONS      EACH AcTIVE MODEM    The LEDs are arranged in columns corresponding to each modem  and should accurately  reflect the status of each     1 Verify that the Status LED for each modem shows a green light  indicating no faults   The 3  alarm LEDs will reflect the LEDs on the front panel of each modem      Verify that the Online LED is lit for all connected TMIs with the modems attached     Verify that the Online LED is not lit for
82. of link to Modem m    Remote control address  no setting required  Remote control not used      Set EDMAC Framing on    Set as an EDMAC slave    Set Slave Address  ESA   ESAR   1  MCA   ESA    Two Distant Modems in a 1 1 configuration   Set up the On line Modem as for Distant Modem 1  above      The Offline Modem is automatically configured to match the On line Modem          can only be achieved to the Online Modem     Notes    1  Itis not possible for the Offline Modem of a 1 1 pair to respond to  EDMAC messages directly as it is not transmitting  Using the internal 1 1  link  the Online Modem polls and retains the Offline Unit Status  OUS    This information can be obtained from the Online Modem  using the  command  OUS    2  This new command is available in firmware versions        CDM 570  Firmware version 1 4 1 or subsequent  b  CDM 570L     Firmware Version 1 3 1 or subsequent  c  CDM 600  Firmware Version 1 6 1 or subsequent  d  CDM 600L     Firmware Version 1 3 0 or subsequent    Refer to the appropriate Modem manual for additional information        C 5    CRS 300 1 10 Redundancy Switch Revision 4  Addressing Scheme MN CRS300 IOM    C 3 2 SETTING UP TRANSCEIVERS    Important  Configure the modems first for EDMAC operation  setting up the RCA   Remote Control Address  for local units  and ESAR  ESA  EDMAC addresses  for a  EDMAC Modems  A Transceiver s address will be set automatically by its controlling  Modem if connected via the FSK link when the ODU enable is con
83. on 4  Remote Control MN CRS300 IOM    EIA 485  full duplex  summary     e Two differential pairs   one pair for controller to target  one pair for target to  controller     e  Controller to target pair has one line driver  controller   and all targets have line   receivers         Target to controller pair has one line receiver  controller   and all targets have tri   state drivers     A 2 EIA 232    This is a much simpler configuration in which the controller device is connected directly  to the target via a two wire plus ground connection  Controller to target data is carried   via EIA 232 electrical levels  on one conductor  and target to controller data is carried in  the other direction on the other conductor           BASIC PROTOCOL    Whether in EIA 232 or EIA 485 mode  all data is transmitted as asynchronous serial  characters  suitable for transmission and reception by a UART  The asynchronous  character format may be selected from 8 N 1  8 data bits  no parity  one stop bit   7 E 2   even parity  or 7 O 2  odd parity   The baud rate may vary between 300 baud and  19 200 baud          data is transmitted in framed packets  The controller is assumed    PC or ASCII dumb  terminal that is in charge of the process of monitor and control  The controller is the only  device that is permitted to initiate  at will  the transmission of data  Targets are only  permitted to transmit when they have been specifically instructed to do so by the  controller     All bytes within a p
84. ons on the Switch  ensure these are de activated in the     CONFIG  ACTIVE  menu  Table 2 1 provides added clarity on where cable ends                             connected   Table 2 1  CRS 300 to Modem Data Connections  Module CRS 300 I O Connection to modem  CRS 310 RMI   1 Data Interface           P2 Balanced G 703  P7   J2 n a  J3 n a    1        CRS 320 TMI   1 Data Interface           J1 User Data  CRS 330 TMI   1 Data Interface           P2 Balanced G 703  P7   J1 6 User Data  CRS 340 TMI P1 Data Interface  P3B   P2 Balanced G 703  P7   J1 4 User Data  CRS 370 TMI   1 Data Interface           J1 User Data                   Figure 2 2 shows typical cable connection between the switch and the modems  Traffic  Modem  1   3   5   7 and Redundant Modem only shown      FOR G 703  ALWAYS USE THE 15 PIN CONNECTION BETWEEN THE MODEM  AND THE SWITCH  FOR BALANCED OR UNBALANCED DATA     IMPORTANT    4 ENSURE THAT ALL POWER      THE EQUIPMENT IS OFF        CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    CRS 310        Unused Blanks CRS 370       5 CRS 340       5 CRS 330       5 CRS 320       5                                    pe                                                                                               CRS 240     Power Supply  Module        System Alarms                                      CRS 240 CRS 230 CRS 240  Power Supply System Controller Power Supply   1 of 2   2 of 2        CDM 600 Connected toj  CRS 330 TM
85. pinout  information     Table 2 4  IF Switch Control Connector  25 Pin D Type Male                                                                Pin Condition  16 Enable  5 Clock  17 Serial Data  4 Modem Backup  8 N A  3 Rev        for PCA hardware revision control   18 Rev Bit1  6 Rev Bit2  19 Rev Bit3  7 Product ID BitO   for IF Switch identification   20 Product ID Bit1  21 IF Switch Present   10  22  5V input   12  24  12V input   11  13 Ground   1  2  9  14  15   No Connection          2 20    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 8 1 3 REMOTE CONTROL CONNECTOR  9 PIN  D  TYPE MALE    The Remote Control connector provides access to the remote control ports of the Switch   both EIA 232 and EIA 485  Table 2 5 provides the pinout information     Table 2 5  Remote Control Connector  9 Pin D Type Male                                                 Pin    Description Direction   1 Ground   2 EIA 232 Transmit Data Out   3 EIA 232 Receive Data In   4 Reserved   do not connect to this pin   5 Ground   6 EIA 485 Receive DataB     In   7 EIA 485 Receive Data A     In   8 EIA 485 Transmit Data B Out   9 EIA 485 Transmit Data A Out    Use for 2 wire EIA 485 operation        2 21    CRS 300 1 10 Redundancy Switch  Introduction and Initial Setup    Revision 4  MN CRS300 IOM    2 8 1 4 DATA CONNECTOR   RS232 422 V 35 LVDS    25 PIN  D  TYPE FEMALE    Table 2 6 is for the TMI User Data Interface connector  RS232 422 V 35 LVDS  P2  
86. ply    5 0376                                                            1 8  Figure 1 7  CRS 310 RMI       0579                          1 8  Figure 1 8  CRS 320 TMI  PL 958 1 1   2 222  1 8  Figure 1 9  CRS 330  TMI  PL 9033 1  2       Pr erecb S      1 9  Figure 1 10  RS  S40TMIAELJ997 1 1                        oH              eo evaded 1 9  Figure 1 11  CRS 370 TMI  PL 9034 1                                                   11  1 9  Figure 1 12  Optional CRS 280 IF                                1 10  Figure 1 13  CRS 350 ESC Switch                                          ER e XH    PEE    1 11  Figure 14     CRS 355  UDI                                         QI pU ea es 1 11  Figure 1 15  CRS 300 Dimensional                                                                            1 15  Figure 1 16  CRS 280 Dimensional                                                                            1 16  Figure 1 17  CRS 350 Dimensional                                                                            1 17  Figure 2 1  Typical Rack Mounting Configuration                                                        2 3  Figure 2 2  Cabling Example for CRS 300 to CDM 600 Modems                               2 6  Figure 2 3  Control Cable Connection for     5 280                                                     2 8  Figure 2 4  Control Cable Connection for CRS 350 and CRS 280                              2 9  Figure 2 5  Cabling Example for CRS 350 ESC to CDM 600 Mode
87. put   TTL or RS232  active low  input    2 8 1 8 8 kHz IDR CONNECTOR     RJ 45    The RJ 45 connector on the CRS 330 TMI is the user interface to the RS 422 clock and  data for the 8 kHz IDR Engineering Service Channel     Noted signal function names        non HSSI defined signals  On Cisco    routers     Table 2 10  8 kHz IDR ESC Interface Connector Pin Assignments                                           Pin    Signal Function Name Direction  1 Tx Data  SD  In   2 Tx Data  SD  In   3 Rx Data  RD  Out   4 Tx Clock  ST  Out   5 Tx Clock  ST  Out   6 Rx Data  RD  Out   7 Rx Clock  RT  Out   8 Rx Clock  RT  Out          2 25          CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 9 TMI MODULE CONFIGURATIONS    The following paragraphs describe settings for any of the individual TMI modules that  may require jumper or other installation settings on the module     2 9 1 CRS 370 TMI   HSSI INTERFACE    The jumper J2 on the CRS 370 TMI module selects the functionality of the control  signals  CA and TA  An outline drawing of the module is shown in Figure 2 7    Table 2 11explains the jumper settings of J2  The factory ships the module with J2 not  installed     Table 2 11  CRS 370 J2 Jumper Settings             J2 Jumper Settings   Not Installed   TA to CA loop   connected    default   Installed TA controls Tx carrier    RR controls CA                                      ISSH          il      Hl  a  o           5           n  m      
88. r all Switch or modem alarms that are unmasked  the user may select which alarm  types should force the Switch to react with an audible buzzer located behind the front  panel  In addition  a relay closure to ground activates on pin 20 of the System Alarms  connector so that the user may attach other indicators     3 4 3 4  CONFIG  REMOTE    SELECT REMOTE CONTROL     LOCAL REMOTE  PRESS ENT        The user is prompted to select LOCAL or REMOTE using the LEFT RIGHT arrow keys   then to press ENTER     3 4 3 41  CONFIG  REMOTE  LOCAL    If LOCAL was selected  remote control will be disabled  Remote monitoring is always  possible     3 4 3 4   CONFIG  REMOTE  REMOTE  If REMOTE was selected  the following sub menus will be displayed     REMOTE CONTROL  BAUDRATE    INTERFACE  PRESS ENTER        The user is prompted to select BAUDRATE or INTERFACE  using the LEFT RIGHT  arrow keys  then to press ENTER        3 10    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM     CONFIG  REMOTE  REMOTE  BAUDRATE    EDIT SWITCH BAUDRATE     19200 BAUD  PRESS ENT        If BAUD RATE is selected  the user may select the baud rate of the remote control bus   connected locally to the M amp C computer  The value is changed using the UPIDOWN  arrow keys  The user should then press ENTER  Values of 300  1200  2400  4800  9600  and 19200 baud are possible     Note  this setting does not affect the internal communications between the Switch and the  Modems  which is fixed at
89. re there is high heat dissipation  provide forced air cooling by  installing top  or bottom mounted fans or blowers     DO NOT ALLOW THE INTERNAL RACK TEMPERATURE                   EXCEED 50   C  122           2 3 2 RACK MOUNTING INSTRUCTIONS    Mount the Switch using front panel screws only  Do not install rack slides to the side of  the CRS 300 chassis  Contact the factory if there are questions about rack supports     Typically  the CRS 300 is mounted in a rack along with all the Modems with which it is  to operate  so it is important to ensure that there is adequate clearance for ventilation   Since the Switch itself is relatively passive  no additional clearance is needed between it  and the nearest Modem     In rack  systems where there is high heat dissipation  provide forced air cooling by  installing top or bottom mounted fans or blowers     2 3 3 INSTALLATION DETAILS    The CRS 300 is constructed as a 4U high rack mounting chassis  Rack handles at the  front of the unit facilitate removal from and placement into a rack  Mount the Switch in  the rack using the mounting holes on the front panel  Figure 2 1 is a side    cut away     view of a typical rack configuration for modems combined with the CRS 300  CRS 280  and CRS 350     The CRS 280 can be mounted on the back of the rack or on top     The CRS 350 is intended to mount to the back of the rack  The mounting hardware  allows the user to hinge the unit down to access the data cables in the rear of the unit to  con
90. rect addresses must be used     This section provides details of the address requirements to allow M amp C of the Switch  and the various modems and transceivers that may be included in a CRS 300  Redundancy Switch system     C 2 SWITCH ADDRESS    The permitted Switch remote control addresses are limited     e For EIA 485 connections  the only permitted addresses are 1000  3000  5000   and 7000        For EIA 232  the only permitted address is 0000     Note  Even if the Switch is connected for communications via        485  the connection  between Switch and traffic modems remains EIA 232  9600 baud  and 8N1        C 1    CRS 300 1 10 Redundancy Switch Revision 4  Addressing Scheme MN CRS300 IOM    C 3 MODEM  amp  TRANSCEIVER ADDRESSES    To monitor and control modems and transceivers at the distant end of the communication  link  EDMAC must be enabled  via the modem front panel  in local mode  Set the Tx and  Rx parameters to establish the link on the modems on each end of the link  Only then  may an M amp C application be used     Several abbreviations are going to be used in the following sections and the two  diagrams  These are     Note     MCA Monitor  amp  Control Address  to be entered as the address of a unit into an  M amp C application  e g  SatMac   RCA Remote Control Address  to be configured  via the unit front panel   CONFIG  REMOTE    ESAR EDMAC Slave Address Range   a modem must be configured for  EDMAC as a Master unit  local end   with the address provided 
91. rify performance     The CRS 300 is modular in construction  All replaceable modules insert into slots in the  rear  This includes  the Controller  PSUs  TMIs and the RMI  Power consumption is  below 30 watts for a fully populated Switch  and hence no fan cooling is required     Connection to the Traffic Modems and the Redundant Modem is remarkably simple  In  the case of the multi protocol interface  a single cable is required for each modem  which  carries all data signals  alarm information  and remote control interface         232  If the  G 703 interfaces are used  one additional cable is required  This simplifies rack cabling   and reduces the number of potential failure points        CRS 300 1 10 Redundancy Switch Revision 4  Introduction MN CRS300 IOM    1 1 1 COMPATIBILITY  The Switch is designed to operate with the      CDM 600 Satellite Modem  e CDM 600L Satellite Modem  e CDM 570  when available   e CDM 570L  firmware version 1 3 1 and subsequent     Note  The Switch is capable of controlling four different modem models  but only one  model type may be connected as a switch system  Example  the redundant modem  has to be capable of doing everything that a traffic modem might be set up to do   This is important also when considering hardware or FAST options that may be  installed in the traffic modems     1 1 2 REDUNDANCY SYSTEM LEVEL BLOCK    Figure 1 2 shows the system level block diagram of the CRS 300 1 10 Redundancy  Switch including the optional CRS 280 IF Sw
92. s connected between the modem and its plug in card  the user   s  terrestrial data connection to the external router  multiplexing equipment or test data  generator should be made to any of the connectors on the TMI labeled    User Data  Interface     These replace the direct connection to the Traffic Modem   s    Data Interface       port   If the data type is G 703 and the CRS 330 or CRS 340 TMI is being used  the  user can connect to either the female DB 15 or the BNC connectors on the TMI   Pie  Am  for balanced or unbalanced data   just as he would as if he was connecting    directly to the modem     Ensure that the correct G 703 balanced or unbalanced selection is made on the  modem     Note  The RMI does not have this connector  as the Redundant Modem s function 1s to  replace a faulted Traffic Modem  Even with the Switch turned off  this should  complete the terrestrial data paths between each Traffic Modem and its external  equipment so that the modems may now be switched on        2 7    CRS 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 4 4 CONTROL CABLE FOR OPTIONAL CRS 280 AND CRS 350    If the user   s redundancy system requires the Comtech CRS 280 IF Switch and or CRS  ESC Switch  a control cable will need to be connected between them  Figure 2 3 shows  the connection if the system requires only the CRS 280     CRS 300 Data Switch                                                                                           
93. s used to  indicate that the parameter defined by the preceding byte should be set to the  value of the argument s  that follow it  For example  in a message from controller  to target  BKH 12 would mean  set the BacK up Hold Off time to 12 seconds      The     code  controller to target  is used as the query operator  and is used to  indicate that the target should return the current value of the parameter defined by  the preceding byte  For example  in a message from controller to target  BKH   means  what is the current value of BacK up Hold Off time      2  From Target to Controller  the only permitted values are      ASCII code 61      ASCII code 63      ASCII code 33     ASCII code 42     A 5    CRS 300 1 10 Redundancy Switch Revision 4  Remote Control MN CRS300 IOM    They have these meanings   The   code  target to controller  is used in two ways     First  if the controller has sent a query code to a target  for example  BKH   meaning  what is the BacK up Hold Off time   the target would respond with  BKH xx  where xx represents the time in question     Second  if the controller sends an instruction to set a parameter to a particular  value  then  providing the value sent in the argument is valid  the target will  acknowledge the message by replying with BKH   with no message arguments      The   code  target to controller  is only used as follows     If the controller sends an instruction to set a parameter to a particular value  then   if the value sent in the argu
94. ser to  select from a number of different utility functions  which are described below     3 4 7 1  UTILITY  SET RTC  SET REAL TIME CLOCK     EDIT REAL TIME CLOCK     12 00 00 24 04 00  ENT        The user is prompted to edit the time and date settings of the real time clock  This is  accomplished by selecting the digit to be edited  using the LEFT RIGHT arrow keys  The  value of the digit is then changed using the UP DOWN arrow keys     Note that in accordance with international convention  the date is shown in DAY   MONTH YEAR format  The user should then press ENTER        3 22    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 4 7 2  UTILITY  DISPLAY  DISPLAY BRIGHTNESS     EDIT DISPLAY BRIGHTNESS     100   PRESS ENTER        The user is prompted to edit the display brightness  using the UP DOWN arrow keys  The  user should then press ENTER     3 4 7 3  UTILITY  SWITCH ID    EDIT SWITCH ID   ENTER          THIS IS A TEST            The user is prompted to edit the Switch ID string  using the LEFT RIGHT and  UP DOWN arrow keys  Only the bottom line is available  24 characters   The cursor  selects the position on the bottom line  LEFT RIGHT  and the character is then edited   UP DOWN   The following characters are available    Space          0 9 and    7     When the user has composed the string  press ENTER        3 23    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 5 FLASH UPGRADING    The CRS 300
95. should be activated  A hyphen      will appear in place of the modem number if it is de activated  If a Traffic Modem  interface is not plugged into a slot  that position cannot be activated  A modem must be  active in order for it to be manually or automatically bridged or backed up  Once  activated  the Switch will expect a Modem to be attached  and will poll the Modem for  status information     3 4 4 INFO  INFORMATION     INFO  SWITCH ID SETUP    IF SWITCH  REMCONT     5         The user is prompted to select SWITCH ID  SETUP  IF SWITCH  REMCONT or  MASK using the LEFT RIGHT keys  then press ENTER  These screens display  information on the current configuration of the Switch without risking inadvertent  alterations        3 12    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 4 4 1  INFO  SWITCH ID    SWITCH ID        This displays the user defined Switch ID string  which is entered via the UTILITY   SWITCH ID screen  To return to the previous menu  press ENTER or CLEAR     3 4 4 2  INFO  SETUP    TM  12345 7 910    AUTO OFF BKUP 05 REST 20       The information on this screen reflects some of the settings configured in the CONFIG   OPTIONS menu  Active Traffic Modems are listed on the top line  with Auto mode and  the two holdoff times listed on the bottom     3 4 4 3  INFO  IF SWITCH    TRANSPONDER SWITCH IS    ABSENT       This screen shows whether a CRS 280 IF Transponder Switch is connected to the CRS   300 1 N Redundancy Switch  
96. terial and workmanship  for a period of two years from the date of shipment  During the warranty period  Comtech  EF Data will  at its option  repair or replace products that prove to be defective     For equipment under warranty  the customer is responsible for freight to Comtech EF  Data and all related custom  taxes  tariffs  insurance  etc  Comtech EF Data is responsible  for the freight charges only for return of the equipment from the factory to the customer     Comtech EF Data will return the equipment by the same method  i e   Air  Express   Surface  as the equipment was sent to Comtech EF Data     LIMITATIONS OF WARRANTY    The foregoing warranty shall not apply to defects resulting from improper installation or  maintenance  abuse  unauthorized modification  or operation outside of environmental  specifications for the product  or  for damages that occur due to improper repackaging of  equipment for return to Comtech EF Data     No other warranty is expressed or implied  Comtech EF Data specifically disclaims the  implied warranties of merchantability and fitness for particular purpose     EXCLUSIVE REMEDIES    The remedies provided herein are the buyer s sole and exclusive remedies  Comtech EF  Data shall not be liable for any direct  indirect  special  incidental  or consequential  damages  whether based on contract  tort  or any other legal theory     DISCLAIMER    Comtech EF Data has reviewed this manual thoroughly in order that it will be an easy to   use guide
97. the Switch is in Back up mode  the Redundant Modem is online  In this event  the  user may not alter the bridge back up state  and a message is shown instead of the menu     MANUAL SELECT     SWITCH IS IN AUTO MODE       Press CLEAR or ENTER to return to the previous menu     The Switch learns and retains the configuration of all of the active modems in the set up   This configuration information is used to program the Redundant Modem to match the  configuration of the Modem being bridged     If the Switch is in Back up and the user selects to come out of Back up mode  bringing a  new modem online  the screen will display     SET MDM USING BU CONFIG     NO YES  ENTER        Perhaps a new modem is replacing a failed unit  The replacement modem configuration  may not be correct  The user can opt for the Switch to use the known link configuration   active in the Redundant Modem  to configure the new Modem  Use the LEFT RIGHT  keys to select YES and ENTER  If the modem does not need configuring  then select NO  and press ENTER        3 7    CRS 300 1 10 Redundancy Switch Revision 4  Front Panel Operation MN CRS300 IOM    3 4 3 2  CONFIG  AUTO OFF      ON     OPERATING MODE     AUTO OFF  AUTO ON  ENTER        The user is prompted to turn Auto to OFF or ON  When OFF  Manual mode   the Switch  does not respond automatically to any Modem faults and simply performs whatever  manual setting the user performs via the Manual select previous menu  The STORED  EVENT indicator blinks when i
98. ttached  and traffic is not interrupted     e Traffic Modem Interfaces  TMI  and the Redundant Modem Interface  RMI  can  be replaced without disturbing other traffic circuits     The CRS 300 supports all of the interface types available on the modems  which include  EIA422 530  V 35  Sync EIA 232  G 703 balanced or unbalanced  LVDS and HSSI     Note  Unlike many other products of this type  electrical interface types may be mixed  within the same redundancy group        CRS 300 1 10 Redundancy Switch Revision 4  Introduction MN CRS300 IOM    When operating with a single up down converter  the system comprises a maximum of   10 Traffic Modems  a Redundant Modem  and the CRS 300 Redundancy Switch  All IF  inputs and outputs are passively split and combined  The Redundant Modem is in remote  control mode  and the Traffic Modems may be in local or remote mode  All of the  modems are connected to the CRS 300 Protection Switch via a single 25 pin cable  which  connects data  alarms  and an        232 link  The EIA 232 link provides the connection  whereby the CRS 300 communicates with each modem  The Switch reads and stores  each modem   s configuration  One modem is bridged by the Redundant  The Switch sends  the bridged modem configuration to the Redundant Modem     IF switching is distributed   each Modem has an internal RF relay  which is normally  under the control of the Modem   s internal software  However  a direct hardware  connection over rides the processor setting  and
99. unting to  the back of a 19 inch rack  Figure 1 13 shows the user interface side of the CRS 350 ESC  Switch  Here the user has access to the Audio  Overhead and IRD connectors  The back  of the CRS 350 contains the same three connectors that would connect to each of the  three connectors on each of the modems        Figure 1 13  CRS 350 ESC Switch    SUBASSEMBLY PANEL DETAILS               1 14 gives further details of the  subassembly for the CRS 350                                DB 15 Female  Figure 1 14   CRS 355 User Data Intfc  UDI  CRS 355  UDI      Open Network Overhead       0  J1 IDR Alarms        O oo0o00000000000          O1  o00000000000 OnLine        Overhead J2 Audio          DB 25 Male DB 9 Female       1 11    Revision 4  MN CRS300 IOM    CRS 300 1 10 Redundancy Switch  Introduction    1 3 SPECIFICATIONS    Table 1 1  CRS 300 Specifications       Characteristic    Requirement       AC Prime Power    Two independent inputs   90 to 264 VAC  50 60 Hz   at 25 Watts       Size Weight  Data Switch Control Unit    IF Switch Unit    4U 19W x 20 1D  Rack Mount    40 48 26 W x 51 054D            20 pounds     9 07 kg    4U 19 W x  4 50 inch  Rack Mount   40 48 26 W x 11 43 D cm     lt  10 lbs    4 54 kg        Environmental  Temperature    Humidity    0 to  40   C  32 to 104  F  Operating  50 to  100   C  122 to 212  F  Storage  95  at  40       104   F   Non condensing       EMC And Safety    EN 55022 Class B emissions  EN 50082 1 immunity   EN 60950 Safety   FCC Part
100. when in manual mode     yy is 01 10 for selected TM    Command or Query    The active state of all 10 Traffic Modems   0   de activate Traffic Modem  1   activate Traffic Modem    Query only   Indicates the state of all 10 Traffic Modems  0   TMI not present  Modem cannot be activated   1   TMI present  but modem not activated   2   TMI present  modem activated and responding   3   TMI present  modem activated but not responding     A 9    Response to Command   target to controller     LRS   message OK     LRS   received OK  but  invalid arguments found                message        OPM   received OK  but  invalid arguments              message OK  but  not permitted in current  mode     BBU   message OK     BBU   received OK  but  invalid arguments     BBU   message OK  but  not permitted in current  mode     ACT   message          ACT   received OK  but  invalid arguments     ACT   message OK  but not    permitted in current mode                                             qualifier     LRS     OPM     BBU     ACT     AMQ     Revision 4  MN CRS300 IOM    Response to query   target to controller     LRS x   see description of  arguments                   see description of  arguments     BBU xyy   see description of  arguments     AC T XXXXXXXXXX     see description of  arguments     AMQ2 XXXXXXXXXX     see description of  arguments     CRS 300 1 10 Redundancy Switch  Remote Control    Parameter Type Command Arguments for   Code and Command or  qualifier  Response to   Query
101. which is a fixed length of 24  characters     Valid characters include   Space                0 9 and AZ     Command or Query     Global configuration of the Switch  in the form   OaaaaaaaaaaBNNbbrrMSAssssssss  where          Operating Mode     same as         1 bytes         Active Modems   same as ACT  10 bytes    B   Bridge Backup State   same as BBU  1 byte   N   Selected TM Number   same as BBU  2 bytes   b   Backup Holdoff Time     same as BKH  2 byte   r   Restore Holdoff Time     same as RSH  2 byte   M   Modem Alarm Mask     same as MAM  1 byte   5   Switch Alarm Mask   same as SAM  1 byte         Audio Alarm Mask     same as         1 bytes    S   8 spare bytes    Command or query     The command forces the Switch to store the its current  configuration in Configuration Memory location defined by  the argument  0 to 9     Example  CST 4  Store current configuration in location 4   WARNING  Use with caution  If the location already  contains data  it will be automatically overwritten  If in doubt   query the location first     The query returns the contents of the location     Response to Command Query    target to controller   Code and  qualifier    SID   message       SID    SID   received OK  but   invalid arguments found    SID   message OK  but not   permitted in current mode    SGC   message OK  SGC    SGC   received OK  but   invalid arguments found    SGC   message OK  but   not permitted in current   mode    CST   message Ok  CST n   CST   received OK  but w
102. witch for that module  It is also fitted with two fuses  one each for line and neutral  connections  or L1  L2  where appropriate   These are contained within the body of the  connector  behind a small plastic flap        For 115 230 volt AC operation  use T1A fuses   slow blow  20 mm fuses     FOR CONTINUED OPERATOR SAFETY  ALWAYS REPLACE THE FUSES WITH  THE CORRECT TYPE AND RATING     2 5 1 SiNGLE POWER SUPPLY OPERATION  TEST     If only one power supply module is used  mask the fault for the unused power supply as  follows     1 Go to the CONFIG  OPTIONS  MASKS  and SW ALARMS menu     2 Select to mask the unused power supply     The Switch is now ready for the next procedure  configuring the Switch        2 11        5 300 1 10 Redundancy Switch Revision 4  Introduction and Initial Setup MN CRS300 IOM    2 6 CONFIGURING THE SWITCH    The unit was shipped with the following default configuration         Nounits  modems  are active        The Switch was set to Manual operating mode   This Manual setting causes the  Stored Event LED to blink      Use the front panel keypad and display to configure the Switch as described in the  following paragraphs     2 6 1 ACTIVATE THE DESIRED TRAFFIC MODEMS    Ensure that the Redundant Modem installation is complete and that it is operating  correctly prior to activating any Traffic Modems     An active Traffic Modem is going to be polled regularly by the Switch     a  Configure each Modem for correct communications via the modem front pa
103. y only   Unit returns its 9 digit serial number   Example  SNO 176512523    Query only     Unit returns the value of internal software revision installed  in the unit  in the form x xx    Example  SWR 1 03  Ver 1 03     Query only    Unit returns information concerning the equipment  identification  Only a base Switch     S300    is currently in use   Query only     Unit returns information concerning the model of the  Redundant Modem attached     600 or 570     A 14    Response to Command   target to controller     DAY   message OK   DAY   received OK  but    invalid arguments     DAY   message OK  but  not permitted in current    mode     TIM   message OK     TIM   received OK  but    invalid arguments     TIM   message OK  but not  permitted in current mode                                                      4  MN CRS300 IOM    Query Response to query   Code         target to controller   qualifier    DAY  DAY ddmmyy   see description of  arguments    TIM  TIM hhmmss   see description of  arguments    SNO                              see description of  arguments    SWR  SWR Xx xx   see description of  arguments    EID                    see description of  arguments    MOD  MOD xxx   see description of  arguments     CRS 300 1 10 Redundancy Switch  Remote Control    Parameter Type     Command Arguments for   Code and Command or  qualifier  Response to   Query   TMI RMI types N A 11 Bytes    Faults and Status   N A  numeric    15 bytes  alpha     Description of arguments 
    
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