Black Box Micro-MiniBuffer-256K, User Manual

Page 1: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 1998 Black Box Corporation All rights reserved ...

Page 2: ...rs a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com FEBRUARY 1998 PI331A PI332A PI333A PI334A PI341A PI342A PI343A PI344A Micro MiniBuffer 64K Micro MiniBuffer 256K MICRO MINIBUFFER COPY PAUSE RESET ...

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Page 4: ... a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This digital apparatus does not exceed the Class A limits for radio noise...

Page 5: ...rato eléctrico debe ser montado a la pared o al techo sólo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo eléctrico más allá a lo descrito en las instrucciones de operación Todo otro servicio deberá ser referido a personal de servicio calificado 9 El aparato eléctrico debe ser situado de tal manera que su posición no interfiera su uso La coloca...

Page 6: ...r una antena externa deberá ser localizada lejos de las lineas de energia 16 El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilación 18 Servicio por personal calificado deberá ser provisto cuando A El cable de poder o ...

Page 7: ... Pushbuttons 10 4 1 1 Reset Button 10 4 1 2 Status LED 10 4 1 3 Copy Pause Button 10 4 2 Handshaking 10 4 2 1 Hardware Handshaking 11 4 2 2 Software Handshaking 11 4 3 Micro MiniBuffer Input and Ouptut Port Pinouts 12 4 4 Cable Configurations 14 4 4 1 Computer Cable Configurations 14 4 4 2 Printer Cable Configurations 16 5 Troubleshooting 17 ...

Page 8: ...y ACK Maximum Distances Serial 50 ft Standard EIA cable Parallel 20 ft to input port 20 ft from output port Data Format 8 data bits no parity or 7 data bits even or odd parity Interface RS 232 async ASCII input port is DTE output port is DCE Connectors 2 DB25 female Power 115 VAC 60 Hz 20 watts 5 VDC 1 amp Size 2 4 H x 8 1 W x 6 3 D 6 1 x 20 6 x 16 cm Weight 2 5 lb 1 1 kg ...

Page 9: ...l to serial version with 64K of memory Micro MiniBuffer 64K S P serial to parallel version with 64K of memory Micro MiniBuffer 64K P P parallel to parallel version with 64K of memory Micro MiniBuffer 64K P S parallel to serial version with 64K of memory Micro MiniBuffer 256K S S serial to serial version with 256K of memory Micro MiniBuffer 256K S P serial to parallel version with 256K of memory Mi...

Page 10: ...ports Parallel ports do not have DIP switches S1 controls the input port and S2 controls the output port Setting S1 or S2 to the up position opens the switch setting S1 or S2 to the down position closes it After you reset S1 or S2 either power down the unit or press the Reset switch on the front panel 3 1 Self Test The Micro MiniBuffer also has a self test feature To begin the self test press and ...

Page 11: ...aud Rate 38400 OFF OFF OFF 19200 ON OFF OFF 9600 OFF ON OFF 4800 ON ON OFF 2400 OFF OFF ON 1200 ON OFF ON 600 OFF ON ON 300 ON ON ON Data Bits 8 OFF 7 ON Parity Even OFF Odd ON Parity Disable OFF Enable ON Flow Control Hardware OFF Software ON Port Type Serial OFF OFF Switch is UP ON Switch is DOWN ...

Page 12: ...tions NOTE Jumpers labeled JP are installed depending on the model ordered JP1 JP2 and JP3 are for P1 input port JP6 JP5 and JP7 are for P2 output port JP1 JP4 JP3 JP2 JP6 JP8 JP7 JP5 P1 P2 IN OUT SW2 SW1 PWR SWITCH SWITCH LED RESET COPY OUTPUT INPUT ...

Page 13: ...e Copy Pause button 10 times before sending the document to the Micro MiniBuffer The LED blinks each time you add a copy You can set the unit to print up to 99 copies Printing one additional copy For one additional copy of the data you just sent press the Copy Pause button One copy of the most recent job sent to the buffer is sent to the printer If a 7 second time period of inactivity on the input...

Page 14: ...utput port cannot accept any more data it drops Pin 20 When the output device is ready to accept more data it returns Pin 20 to a high level 4 2 2 SOFTWARE HANDSHAKING When the unit s buffer is almost full it sends an X OFF character to the input device via Pin 2 The unit sends an X ON character via Pin 2 once the output device has accepted enough data to leave room in the buffer for more input da...

Page 15: ... CTS Input device Input to buffer 7 GND Signal Ground 20 DTR Buffer unit Output from buffer hardware handshaking pin Serial Pin Configurations Output Port DCE Pin Name Source Function 1 FG Chassis ground 2 TD Output device Input to buffer 3 RD Buffer unit Output from buffer 5 CTS Buffer unit Clear to send held high 6 DSR Buffer unit Held high tied to 8 7 GND Signal ground 8 CD Output device Held h...

Page 16: ...ronics Ports Pin Configurations Pin Name Function 1 Strobe 2 Data1 3 Data2 4 Data3 5 Data4 6 Data5 7 Data6 8 Data7 9 Data8 10 ACK 11 Busy 12 PE GND 13 Select High 14 Autofeed Open 15 Fault High 16 Init High 17 NC 18 NC 19 25 GND ...

Page 17: ...niBuffer to your computer and printer 4 4 1 COMPUTER CABLE CONFIGURATIONS Micro MiniBuffer to Northstar Osborn Cable Micro MiniBuffer Northstar Osborn DB25 male DTE DB25 female DCE RX 2 2 RX TX 3 3 TX GND 7 7 GND DTR 20 20 CTS Micro MiniBuffer to Apple III Apple S S Dynabyte Cable Micro MiniBuffer Apple III Apple S S Dynabyte DB25 male DB25 male TX 2 3 RX RX 3 2 TX GND 7 7 GND DTR 20 20 CTS ...

Page 18: ...ro MiniBuffer IBM HP 150 DB25 male DB25 female TX 2 3 RX RX 3 2 TX GND 7 7 GND DTR 20 5 CTS 6 DSR jumpered 8 CD Micro MiniBuffer to IBM AT Cable Micro MiniBuffer IBM AT DB25 male DB9 female TX 2 2 RX RX 3 3 TX GND 7 5 SG CTS 5 4 DTR DTR 20 8 CTS 1 CD jumpered 6 DSR ...

Page 19: ...MINIBUFFER 4 4 2 PRINTER CABLE CONFIGURATIONS Micro MiniBuffer to Typical Serial Printer Micro MiniBuffer Serial Printer DB25 male DB25 male FGD 1 1 FGD TX 2 2 TX RX 3 3 RX DSR 6 6 DSR GND 7 7 GND DTR 20 20 DTR ...

Page 20: ...output be sure DTR is high on the output port 2 If Data garbles to printer after printing a few pages Check word structure option on serial port to be sure the Micro MiniBuffer is setup the same way as the equipment connected to it 3 If LED does not light Be sure the power supply is securely connected If possible try another supply If the LED still doesn t light call your supplier ...