Manual do usuário B&B Electronics 232SS21600

Manual para o dispositivo B&B Electronics 232SS21600

Dispositivo: B&B Electronics 232SS21600
Categoria: Comutador
Fabricante: B&B Electronics
Tamanho: 0.1 MB
Data de adição: 4/9/2014
Número de páginas: 26
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Resumos do conteúdo
Resumo do conteúdo contido na página número 1

Smart Switch
Model 232SS2
Document No. 232SS21600
This product Designed and Manufactured
of domestic and imported parts by
International Headquarters
B&B Electronics Mfg. Co. Inc.
707 Dayton Road -- P.O. Box 1040 -- Ottawa, IL 61350 USA
Phone (815) 433-5100 -- General Fax (815) 433-5105
Home Page: www.bb-elec.com
Sales e-mail: orders@bb.elec.com -- Fax (815) 433-5109
Technical Support e-mail: -- Fax (815) 433-5104
support@bb.elec.com
 1992 B&B Electronics -- Revised April 2000

Resumo do conteúdo contido na página número 2

 B&B Electronics RESERVED. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photography, recording, or any information storage and retrieval system without written consent. Information in this manual is subject to change without notice, and does not represent a commitment on the part of B&B Electronics. B&B Electronics shall not be liable for incidental or consequential damages resulting from the furnishing, performa

Resumo do conteúdo contido na página número 3

TABLE OF CONTENTS Chapter 1: INTRODUCTION...............................................1 Checklist.................................................................................2 Chapter 2: SETUP ...............................................................3 Port Configuration ..................................................................4 Serial Data Configuration .......................................................5 Smart Switch Operation ........................................

Resumo do conteúdo contido na página número 4

Chapter 1: INTRODUCTION The RS-232 Four Port Smart Switch/Port Combiner, Model 232SS2, allows one RS-232 host device to connect to as many as four RS-232 devices. The switch can be controlled in two different ways. The first way is referred to as smart switch mode. In this mode, the switch is controlled by sending a programmable preamble code to the "Master" port of the 232SS2. The other way the switch can be controlled is referred to as port combiner mode. In port combiner mode, a slave port

Resumo do conteúdo contido na página número 5

Checklist Examine the shipping carton and contents for physical damage. If damage is found, file a claim with the shipper immediately. The following equipment should be in the shipping carton: 1. RS-232 Smart Switch 2. Instruction Manual 3. (2) 3.5" floppy disks If any of the items above are not in the shipping carton contact the shipper immediately. 2 232SS21600 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104

Resumo do conteúdo contido na página número 6

Chapter 2: SETUP The 232SS2 is set up using an eight-position dipswitch. This dipswitch is used to set the communication format, port configuration, smart switch/port combiner mode and to enable/disable the enhanced features. To change the settings on the switch, remove the power from the unit, and remove the screws (2) from the bottom of the 232SS2. The dipswitch is located on the top of the PC board (side with LEDs) and is labeled “SW1.” The other dipswitch, labeled “SW2” is used to set the

Resumo do conteúdo contido na página número 7

Port Configuration In order to determine the proper port configuration of the 232SS2, it is necessary to have a basic understanding of the terms DCE and DTE. RS-232 was designed, using DB-25 connectors, for connecting a DTE (Data Terminal Equipment) device to a DCE (Data Communication Equipment) device. Each device will have inputs on pins that correspond to outputs on the same pins of the other device. For example, a DTE device will transmit data out on pin 2 (on a DB-25) and a DCE device will

Resumo do conteúdo contido na página número 8

Table 2. DCE MASTER PORT CHART Master Port A,B,C & D Ports (DCE) Signal (DTE) Pin# Direction Description Pin# Direction 2 Input Transmit Data (TD) 2 Output 3 Output Receive Data (RD) 3 Input 4 Input Request to Send (RTS) 4 Output 5 Output Clear to Send (CTS) 5 Input 6 Input DCE Ready (DSR) 6 Output 7 GROUND Signal Ground (SG) 7 GROUND 8 Output Recv. Line Detect (DCD) 8 Input 20 Input DTE Ready (DTR) 20 Output Table 3. DTE MASTER PORT CHART Master Port A,B,C & D Ports (DTE) Signal (DCE) Pin# Di

Resumo do conteúdo contido na página número 9

Switch position 8 selects the port configuration, see section titled "Port Configuration". Refer to Table 1. Always power down the smart switch when changing switch settings. Smart Switch Operation Smart Switch mode is selected when dipswitch “SW1” position 7 is “Off.” In Smart Switch mode, the 232SS2 is constantly looking for the three character preamble code by monitoring the data that is being received on the master port from the host device. The 232SS2 requires a three character preamble co

Resumo do conteúdo contido na página número 10

Programming the Second Character The second character comes programmed as the ASCII STX character (decimal 2). You can change this to any 8-bit character you wish by reprogramming dipswitch “SW2”. “SW2” is an eight- position switch with each position equal to a certain weight. Refer to “Setup” for instructions on removing the cover to access “SW2”. Table 4 shows the weight chart for “SW2”. Table 4. Programmable Character Setting Dipswitch SW2* WEIGHT 11 22 34 48 516 632 764 8 128 *Factory Defau

Resumo do conteúdo contido na página número 11

Smart Switch/Port Combiner Mode This mode allow Ports A-D to select the master port using a handshake line. It also allows selection from the master port via the preamble code described in the Smart Switch Only Mode section. Position 7 of “SW1” must be ON to be in port combiner mode. When a handshake line goes high on any of the four ports, it will establish a connection from that port to the master port. This works on first- come-first-serve basis. If multiple ports have their handshake lines h

Resumo do conteúdo contido na página número 12

A typical application would be to have RTS and CTS tied together on the master port. When RTS (assuming DTE slave device) on port A (configured as DCE) is asserted, CTS on port A will be asserted when a connection is established. If a port is not connected to the master port, then CTS on that port will remain low. Therefore, a port can monitor the handshake line to determine if a connection has been established. Enhanced Mode -- Timer Features The 232SS2 has an enhanced mode, which offers specia

Resumo do conteúdo contido na página número 13

Table 3 - Timer Values Data Byte Value 0 timer disabled 1 10ms 2 25ms 3 100ms 4 500ms 51 s 65 s 7 30 s 81 min. 95 min. The Set Timer Mode command requires the third byte to be an ASCII “M”. If the data byte (fourth byte) is an ASCII “0”, zero (default), the timer will be setup as an inactivity timer. For example: Sending the following string to the 232SS2 will set up the timer as an inactivity timer (assuming programmable character is the factory default of 2). SetTM$ = CHR$(27) + CHR$(2) +”M”

Resumo do conteúdo contido na página número 14

The “M” tells the 232SS2 it is the set timer mode command and the “1” indicates to set up the timer to ignore switching commands. When the timer is configured in this mode, the 232SS2 will not accept any switching commands (“A”, ”B”, ”C”, ”D”, or “EOT”) for the specified timer value. After the timer has expired, the slave port that is connected to the master port will be disconnected. This feature is useful to prevent inadvertent switching during binary/graphic type file transfers. For example (

Resumo do conteúdo contido na página número 15

Chapter 3: SOFTWARE Introduction The 232M`SS2 comes with two application programs that can be used to switch between ports. Each comes on a separate floppy disk. Either can be used independently as the final application or for testing the functionality of the hardware. The SSwitch program is a Windows program that allows you to switch ports with buttons on a Windows interface, or from the DOS command line. It will run on Windows 95, 98, or Windows NT 4.0 with service pack 3 installed. When t

Resumo do conteúdo contido na página número 16

To Uninstall SSwitch.exe • From START/ SETTINGS/ CONTROL PANEL • Select Add/ Remove Programs • Select SSwitch from the list of programs • Click on the Add/Remove button DOS SSTSR Installation To Install the SSTSR Program (DOS) If A drive is your floppy drive: • Place the Smart Switch for DOS disk in drive A • At the DOS prompt • Type a:\INSTALL.exe and press the ENTER key. The following files will be located on your hard drive: 1) SSTSR.EXE - The executable file for the Smart Switch. 2) SETUP.

Resumo do conteúdo contido na página número 17

Enter Port Address [02F8]: Enter Baud Rate ( 1 = 150 2 = 300 3 = 600 4 = 1200 5 = 24006 = 4800 7 = 9600 8 = 19200) [7]: Enter Parity (0 = No 1 = Odd 2 = Even) [0]: Enter Number of Data Bits ( 7 = Seven Data Bits 8 = Eight Data Bits) [8]: Enter Smart Switch Second Char (Decimal Value) [2]: Enter Hot Key Sequence (1 = 2 = 3 = <1|2|3|4|N> 4 = <1|2|3|4|N> 5 = 6 =<1|2|3|4|

Resumo do conteúdo contido na página número 18

If the software was installed in the default directory: • At the DOS prompt Type C: and press the ENTER key. • Type CD\232MSS2 and press the ENTER key. To begin the SSTSR program (the following will be used as an example): Port Address = 03F8 Parity = Odd Baud = 9600 User Defined Char. = 8 Data Bits = 8 Hot Key Sequence = 4 • Type SSTSR A03F8 B7 D8 P1 U8 H6 and press the ENTER key. Using this method, every time you want to install the SSTSR with different parameter settings than the default (re

Resumo do conteúdo contido na página número 19

The Hot Key is a sequence of three keys that must be pressed simultaneously to switch from one Smart Switch Port to another. For example, the hot key sequence, states that the left shift, Alt, and either A, B, C, D, or N must be pressed at the same time to select the corresponding Smart Switch Port. N turns off all Smart Switch ports. Default Values If you type SSTSR on the command line with no parameters, or omit any parameters, the default value of the missing pa

Resumo do conteúdo contido na página número 20

Hot Key Method This method enables the user to select any Smart Switch port by pressing a predefined sequence of keys at the same time after the SSTSR is installed (refer to Program Installation). Example: If Hot Key sequence was selected, to change ports you would press at the same time: Left Shift - Alt - A ..... to select port A Left Shift - Alt - B ..... to select port B Left Shift - Alt - C ..... to select port C Left Shift - Alt - D ..... to select port D Left S


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