Black Box Async MP Line Driver Card Manual Download Page 23

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ASYNC MP LINE DRIVER CARD

• Environmental factors too numerous to mention can affect the maximum

distances you can obtain at a particular site. Use the data rate/distances
described in

Table A-2

as a general guideline only.

Summary of Contents for Async MP Line Driver Card

Page 1: ...INFORMATION Order toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black B...

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

Page 3: ...l aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descrito en...

Page 4: ...existir una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuida...

Page 5: ...4 ASYNC MP LINE DRIVER CARD TRADEMARKS Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners...

Page 6: ...iguration 9 3 3 Special Configuration 10 3 4 Rear Card Configuration 10 4 Installation 13 4 1 The Rack Chassis 13 4 2 Installing the Card into the Chassis 14 4 3 Wiring the Card 15 4 3 1 RS 232 Connec...

Page 7: ...dicators two each for Transmit Data Receive Data Control In and Control Out bi level indicators one each for Power and Test Diagnostics Local and remote analog loopback activated by front panel pushbu...

Page 8: ...a 19 rack chassis part number RM202 RM204 RM208 or RM216 This 16 card chassis has a switchable 120 240 volt power supply and mounts cards in a mid plane architecture The Card has two built in diagnos...

Page 9: ...card out of the rack chassis see Figure 3 1 Once configured the Card is designed to operate transparently without frequent reconfiguration Figure 3 1 Async MP Line Driver Card 3 1 Switch Locations an...

Page 10: ...T APPLICATIONS If you are installing these units in a point to point application with a computer printer or terminal configure the DIP switches on both Cards as follows Switch Number 1 2 3 4 5 6 7 Pos...

Page 11: ...8 6 Disabled ON ON ON OFF OFF OFF OFF DCE 4 8 6 Enabled ON ON ON OFF OFF OFF ON DCE 4 11 20 8 6 Disabled OFF ON ON ON OFF OFF OFF DCE 4 11 20 8 6 Enabled OFF ON ON ON OFF OFF ON DCE 4 6 8 Disabled ON...

Page 12: ...card by setting straps on the PC board Sections 3 4 1 and 3 4 2 describe the strap locations and possible settings for each rear card DB25 RJ 11 STRAP SETTINGS Figure 3 4 shows strap locations for the...

Page 13: ...e twisted pair cable shield In the open disconnected position pins 1 and 6 remain connected to each other but are lifted from the frame ground JB2 Position 1 2 Line Shield and FRGND Connected Position...

Page 14: ...e 4 1 Rack Chassis with Power Supply THE RACK POWER SUPPLY The power supply included in the Rack Chassis uses the same mid plane architecture as the modem cards The front card of the power supply slid...

Page 15: ...f the blown fuse before discarding it 4 Replace the fuse WARNING To protect against fire replace only with the same type and rating of fuse Switching the Power Supply Between 120 and 240 Volts Althoug...

Page 16: ...Card The rear interface card has one RS 232C port DB25 female and one 4 wire twisted pair port RJ 11 female 4 3 1 RS 232 CONNECTION The Async MP Line Driver Card connects the RS 232 interface to your...

Page 17: ...Color Color Pin Signal GND 1 Blue White 6 GND RCV 2 Yellow Red 4 XMT XMT 3 Green Black 5 RCV XMT 4 Red Yellow 2 RCV RCV 5 Black Green 3 XMT GND 6 White Blue 1 GND Connection to ground is optional Stan...

Page 18: ...ARD NOTE For this configuration you don t need the ground connection HOST FIRST SLAVE SECOND SLAVE XMT RCV RCV XMT RCV RCV RCV XMT XMT RCV XMT XMT Figure 4 3 Two Pair Star Wiring for Async MP Line Dri...

Page 19: ...ative front panel positions of the LEDs A description of each LED s function follows Figure 5 1 Front Panel Showing LED Positions The green PWR LED glows when power is applied to the Card through its...

Page 20: ...ugging it in or removing it while the rack is powered up When the local and remote Cards are both powered on and are passing data normally the LEDs will indicate the following PWR green TD and RD flas...

Page 21: ...NOTE Only one Async MP Line Driver Card should be in test mode The other Card should be in normal operating mode or the test will not work If no characters are echoed back check the wiring between th...

Page 22: ...we obtained the data rate distance results described in Table A 2 Table A 2 Cable Results Data Rate bps Gauge AWG Distance mi 19 22 24 57 600 2 5 1 8 1 3 38 400 3 7 2 3 1 7 19 200 5 1 3 4 2 4 9 600 6...

Page 23: ...LINE DRIVER CARD Environmental factors too numerous to mention can affect the maximum distances you can obtain at a particular site Use the data rate distances described in Table A 2 as a general gui...

Page 24: ...andard RS 232C V 24 DCE Setting Direction To Async MP Line Driver Card Data Terminal Ready DTR 20 1 FG Frame Ground 2 TD Transmit Data To Card 3 RD Receive Data From Card 4 RTS Request to Send To Card...

Page 25: ...24 ASYNC MP LINE DRIVER CARD Appendix C Block Diagram Figure C 1 Block Diagram...