Rose electronics Caretaker Plus CTP-4P Installation And Operation Manual Download

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10707 Stancliff Road Houston, Texas 77099
Phone: (281) 933-7673 Internet: WWW.ROSE.COM

INSTALLATION

AND

OPERATIONS MANUAL

Summary of Contents for Caretaker Plus CTP-4P

Page 1: ...10707 Stancliff Road Houston Texas 77099 Phone 281 933 7673 Internet WWW ROSE COM INSTALLATION AND OPERATIONS MANUAL ...

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Page 3: ...HANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO A PERIOD OF ONE YEAR FROM THE DATE OF PURCHASE AND NO WARRANTIES WHETHER EXPRESS OR IMPLIED WILL APPLY AFTER THIS PERIOD SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU IF THIS PRODUCT IS NOT IN GOOD WORKING ORDER AS WARRANTIED ABOVE YOUR SOLE REMEDY S...

Page 4: ...Changing the Serial Baud Rate 19 Power Up Initial Display 20 Program Checksum Test 20 Buffer Memory Sizing and Read Write Test 20 Static Ram Read Write Test 21 Front Panel Switches 21 Data LED Busy LED and Error LED 21 Buffer Overflow Error Display Serial Models Only 21 Flow Control Display Mode Serial Models Only 22 Troubleshooting 23 Common Problems and Solutions 23 Maintenance and Repair 25 Tec...

Page 5: ...puters or terminals to have shared access to a common printer plotter or other device Accessing the shared device is done simply by sending data to the unit Since the Caretaker Plus has buffer memory each computer may simultaneously send data to the unit The data is sent to the shared device in the order it was received All equipment is connected by cables to connectors on the Caretaker Plus rear ...

Page 6: ...s see Appendix D are sufficient for most applications To change the defaults you configure the unit through port 1 To configure the unit you access the configuration menu or send commands as described later Configuring the computers The final step in installation is to make sure that your computer s software is configured correctly by setting the proper communication settings If you use serial por...

Page 7: ...r MODE LED is lit to indicate the unit is in the configuration or flow control display mode DATA LED lights as data is sent to the unit BUSY LED is lit when the printer is on line or busy while accepting data ERROR LED indicates an error has occurred with LEDs 1 8 indicating which error LEDs 1 8 indicate data activity on ports 1 8 When an Led is flashing that port is sending data to the printer If...

Page 8: ...nect your computers to ports 1 8 9 Send data from your application or print program Data will be routed to the shared device automatically 10 Re enter the configuration menu to change any other parameters such as the baud rate initialization string form feed or the timeout value See the section on CONFIGURATION for further information Serial Set up For Other Computers or Terminals 1 Connect your P...

Page 9: ...s the connector arrangement for model CTP 8S It has nine serial ports The CTP 4S is similar but it doesn t have ports 5 8 Port 0 the rightmost port is where you connect the printer The computers connect to the ports labeled 1 8 the serial cables shown below are the most common ones For other cables see Appendix A ...

Page 10: ...inting Also put the following statement in your AUTOEXEC Bat file MODE LPT1 P This statement will set the parallel port for infinite retry 4 Send data from your application or print program Data will be routed to the shared device automatically 5 To optimize your installation you can later configure any of the programmable parameters such as initialization string form feed or the timeout value See...

Page 11: ...peripheral Appendix A gives a comprehensive list of the cable pinouts required for a successful installation Serial cabling in excess of 100 feet should be routed with caution The maximum cable length depends upon the construction of the cable and its routing For extended runs shielded cable should be used Avoid routing near fluorescent lights air conditioning compressors or machines that may crea...

Page 12: ...r the string Replying with a return only to a Y N yes no prompt will be interpreted as a no A sample configuration display is shown in TABLE 1 Table 1 Configuration Menu Display CARETAKER PLUS CONFIGURATION Rev 3 8 COPYRIGHT 1986 91 ROSE ELECTRONICS Installed memory 64K Front panel switches ENABLED Timeout 20 Seconds Form teed DISABLED Initialization String DISABLED Current protocol Powerup protoc...

Page 13: ...r entering the port s to be changed answer the subsequent prompts Note that protocol changes are made when you exit the configuration menu Single Port Enter choice P T F I D A K X or H for help ENTER Enter the port number 0 8 or R 3 ENTER Enter baud rate 19200 9600 7200 4800 3600 2400 1800 1200 600 300 150 134 5 110 75 50 1200 ENTER Enter parity type N None E Even O Odd M mark S Space E ENTER Ente...

Page 14: ...er initialization string CR only to disable E ENTER Disable Operator Switches This command inhibits usage of configuration mode or the clear buffer function starting on the next power up The factory default enables the operator switches Use this command to prevent unauthorized change of the configuration parameters once you have set them properly Once this state has been set the only way to config...

Page 15: ...tures This command is used to call another menu with a list of 5 commands that are detailed below Enter A to choice prompt Another menu will print Enter choice P T F I D A K X or H for help A ENTER Unidirectional X on X off This command on the advanced features menu determines whether X onlX off are interpreted as data flow control characters or simply as data This command is applicable only on th...

Page 16: ...ER Use reverse channel data timeout YM N ENTER Allow Timeout On Busy Ports 1 8 This command on the advanced features menu allows any serial port except port O to timeout even when the port is busy i e DSR is low The factory default is allow timeout when busy is enabled Enter A to the choice prompt and answer Y or N to enable or disable allow timeout on busy Enter choice U R A F X or H for help ENT...

Page 17: ... Configuration commands are recognized when input to PORT 1 ONLY If a configuration command contains any syntax or value errors it is ignored A valid command is processed immediately upon receipt of the last character of the command and does not require a carriage return or line feed terminator With serial units carriage return is an illegal character in a configuration command as it will cause en...

Page 18: ...rol c Data format d Baud rate 0 none 0 DTR DSR 0 1 stop 8 bits 0 reserved 2 odd 8 X on X off 2 1 Stop 7 bits 1 50 6 even 4 1 stop 6 bits 2 75 A mark 6 1 stop 5 bits 3 110 E space 8 2 stop 8 bits 4 134 5 A 2 stop 7 bits 5 150 C 2 stop 6 bits 6 300 E 1 5 stop 5 bits 7 600 8 1200 9 1800 A 2400 B 3600 C 4800 D 7200 E 9600 F 19200 Examples To set port 3 to 4800 baud 1 stop 7 data bits even parity X on ...

Page 19: ...ation String Command This command is used to change the initialization string Enabling of the initialization string occurs when a valid string is entered Disabling of the string is done by entering a string with the first character set to ASCII 00 NULL To enter the characters of the string you type the ASCII number of each character in hexadecimal followed by an H without commas or spaces in betwe...

Page 20: ...e data is stored in the buffer until the port becomes ready For serial models when a port is connected to the shared device full duplex communication is in effect data can flow in either direction between the connected port and the shared device For parallel models data can flow only in one direction from the connected port to the shared device The LED corresponding to the port currently connected...

Page 21: ... the unit restarts normal operation Printer Initialization Signal Parallel Models Only At the completion of the power up test on parallel models the INIT signal on the parallel interface is pulsed This resets most printers Table 5 LED operation Display Legend M Mode LED D Data LED B Busy LED E Error LED LED on O LED off LED flashing X may vary described below M D B E 1 2 3 4 5 6 7 8 EXPLANATION O ...

Page 22: ...ore information To set the timeout to 60 seconds from a PC do the following steps 1 Momentarily hold in the advance and select switches until the mode and busy lights light up 2 From the computer connected to port 1 on the unit type in the following COPY CON COM1 CR When typed at the DOS prompt you get a blank line T060 F6 CR Enter the timeout command and keep command 1 file s copied This message ...

Page 23: ...lights turn off Form Feed The form feed is used to automatically eject the page when your application is not capable of doing so Most modern word processors do so Some of the older applications do not If you get a lot of jobs where two printouts are on the same page then you may need to enable the form feed To enable the form feed do the following steps 1 Momentarily hold in the advance and select...

Page 24: ...t 2 512K RAM buffer O O O O O O O Test 2 1M RAM buffer O O O O O O Test 2 2M RAM buffer 4 th O O O O O O O O O O O Test 3 Static RAM 5 th O O O O O O O O O O O Non volatile RAM 6 th O O O O O O O O O O O O Unit ready NOTE The BUSY LED may be lit when the unit enters the ready state This is dependent upon the state of the shared device Program Checksum Test This test verifies that the unit s intern...

Page 25: ... exit the configuration menu and to enter and exit the flow control display mode These switches can be disabled under program control This is done by either using the Operator Switch Disable command or through the configuration menu Note that if these switches are disabled and the setting is stored in non volatile memory the only way to re enable the switches is by resetting the Caretaker Plus to ...

Page 26: ...uring flow control display mode the corresponding port LEDs light only when the Caretaker Plus has instructed the connected device to stop sending data via the port s currently selected protocol Thus an input device should not be transmitting data to the Caretaker Plus when its LED is lit The only time Caretaker Plus instructs a device to stop sending data is when the device s buffer is full Thus ...

Page 27: ...type DTR or X on X off Protocol in your device must match the protocol in the unit See CON FIGURATION section C Printer or computer connected to wrong port Input ports are 1 8 output port is O Ensure devices are connected to proper ports III Garbled data received at shared device A Protocol does not match See Section ll B above B Flow control See Section IA above C Wiring interference This may occ...

Page 28: ...de LED D Data LED B Busy LED E Error LED LED on O LED off LED flashing X may vary described below M D B E 1 2 3 4 5 6 7 8 EXPLANATION O O O O O O O O O O Error 1 O O O O O O O O O O Error 2 O O O O O O O O O O Error 3 O O O O O O O O O O Error 4 O O O O O O O O O Error 41 O O O O O O O O O Error 43 O O O O O O O O O Error 45 O O O O O O O O O Error 46 O O O O O O O O O Error 47 O O O O O O O O O E...

Page 29: ...echnical Support department of Rose Electronics Technical Support If you cannot determine the nature of a problem please call Rose Electronics and ask for Technical Support If possible call from a phone located near the unit we may be able to solve your problem directly over the phone If we cannot solve your problem and determine that the fault is in the unit we will issue a Return Authorization R...

Page 30: ...st test t2 performed in this mode is more extensive and thus takes more time to execute than in the power up test It is not as extensive as the long tests To leave this mode power down the unit then power back up with no switches pressed Restore To Factory Default There are two ways to reload the factory default configuration The first is if an error occurs in powering up the unit and the unit hal...

Page 31: ...iguration Serial Units CARETAKER PLUS CONFIGURATION Rev 3 8 COPYRIGHT 1986 91 ROSE ELECTRONICS Installed memory 64K Front panel switches ENABLED Timeout 20 Seconds Form feed DISABLED Initialization String DISABLED Current settings Port Baud Parity Length Stop Flow 0 9600 NONE 8 1 DTR 1 9600 NONE 8 1 DTR 2 9600 NONE 8 1 DTR 3 9600 NONE 8 1 DTR 4 9600 NONE 8 1 DTR Unidirectional Xon Xoff ENABLED Rev...

Page 32: ... read write test above Test 4 Same as non volatile ram checksum test above Test 5 Port addressing test checks if the contents of non volatile memory agree with the port configuration If this test fails ERROR LED and LED 5 are lit then the configuration memory has been corrupted or a port communication chip has failed Reload the factory default settings as described below and retry the test Make su...

Page 33: ...ion chip has failed and the unit must be serviced The advance switch may be pressed to determine which port is the failing port MODE DATA and BUSY will all be flashing The LEDs of all ports which pass will be flashing A failing port will have its corresponding LED steadily lit ERROR LED is used for port O Ports not installed will have their corresponding LEDs off The select switch may be pressed t...

Page 34: ...female 25 pin female 25 pin female 8 pin circular 2 3 3 3 5 3 2 2 2 3 7 7 7 7 4 8 6 20 20 20 1 4 5 6 8 Serial Printers Plotters CTP 25 pin female Epson MX type Okidata 82 193 Diablo 630 NEC spinwr HP plotters Calcomp plotters Hou Inst plotters 2 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 7 7 7 7 7 7 7 7 6 11 11 11 19 20 20 20 4 6 5 6 6 5 6 8 5 6 5 6 5 6 Jumper setting for ready on pin 11 Other Devices CTP 25 p...

Page 35: ...t 0 Port 1 8 Description 1 1 STROBE output input Data transfer when pulsed low 2 2 DATA 0 output input Data LSB 3 3 DATA 1 output input 4 4 DATA 2 output input 5 5 DATA 3 output input 6 6 DATA 4 output input 7 7 DATA 5 output input 8 8 DATA 6 output input 9 9 DATA 7 output input Data MSB 10 10 ACK input output Pulsed low for next transfer 11 11 BUSY input output If high inhibits data flow 12 12 PA...

Page 36: ...taker Plus Unplug the Caretaker Plus power cord Remove the two screws from either side of the unit and remove the top cover Removing the Standard DRAMs Remove the two socketed 64K DRAM chips from the Caretaker s motherboard They are numbered U13 and U14 on the board and are positioned vertically near LEDs 7 and 8 These will not be reused Setting the Jumper Black For each board you re using positio...

Page 37: ...561 to 1MB or from 512K to 1MB To obtain 2MB an additional board must be installed The sockets are numbered 1 through 8 from left to right Pin 1 of each socket is at top left match this with Pin 1 of the chip itself located to the left of a small indentation at the top end of the chip The memory chips are very sensitive to static electricity Avoid touching their pins Use an anti static bag or work...

Page 38: ... Asynchronous DTR DSR X on X off flow control Baud Rate 50 19200 baud Word Length 5 6 7 or 8 Parity odd even mark space or none Stop bits 1 or 2 Parallel Models Electrical TTL levels protocol Centronics compatible STBIACWBUSY interface Size and Weight 0 5 wide X 3 5 high X 5 0 deep 5 ports 7 Ibs 9 ports 8 Ibs Chassis Steel tan painted enclosure rear mounted connectors Aluminum black anodized 5 25 ...

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Page 40: ...10707 Stancliff Road Phone 281 933 7673 Houston Texas 77099 WWW ROSE COM ...

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