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Bay Technical Associates 5218H - page 1
OWNER'S MANUAL H-SERIES MULTIPORT CONTROLLERS 525H 528H 529H 5218H BayTech publi cation #U140E043- 04 ...
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Bay Technical Associates 5218H - page 2
Thank you for selecting a BayTech multi port controll er. The data provi ded in this Ow ner's M anual expl ains the var ious w ays you can oper ate your unit and configur e it to y our ow n computer system. W e suggest that y ou read this manual carefully before attempting to instal l your multipor t controller and that you place special empha ...
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Bay Technical Associates 5218H - page 3
NOTE: The information contained in this document is subject to change w ithout notice. Copyr ight 1993 by Bay Technical Associates, Inc. IBM PC, IBM PC /AT, IBM PC/XT are pr oducts of International Business Machines Cor poration. All products or company names are tr ademarks of their respecti ve holders. ...
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Bay Technical Associates 5218H - page 4
TA BLE OF CONTENTS 1 GENERAL INFORMATIO N ........................................................................ 1 2 SPECIFICATIONS ..................................................................................... 4 3 INSTALLATION .......................................................................................... 6 3.1 UNPACKING ...... ...
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Bay Technical Associates 5218H - page 5
5.5 DATA FLOW CONTROL ............................................................ 21 5.5.1 525H AND 529H ........................................................... 21 5.5.2 528H AND 5218H ......................................................... 23 6 CONFIGURATION ................................................................................... ...
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Bay Technical Associates 5218H - page 6
The BayTech H-Ser ies multipor t controller s are flex ible, multi- function data acquisi tion and control uni ts that provi de cost effective data communications for applicati ons that requi re control of multipl e peripherals from a single host computer. Designed with flex ibility in m ...
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Bay Technical Associates 5218H - page 7
2 Mode 3 Single message from all ports - Same as Mode 2, except that a sing le message from all peripher al devi ces is sent to the host dev ice upon req uest. Mode 4 A ll messages from select ed port - Same as Mode 2, but with speci fic port selection. Mode 5 Single message from selected port - Same as Mode 3, but with speci fic port selection. Mo ...
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Bay Technical Associates 5218H - page 8
Figure 1 below show s six appli cations, one for each mode of operation. Figure 1 ...
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Bay Technical Associates 5218H - page 9
4 INTERFA CE: EIA- 232C (CC ITT V.24), -12v mark , +12v space. Optional EIA-422A ( Option 17) and curr ent loop (Option 12) . TRA NSMISSION: Asy nchronous. FA CTORY POWER-UP DEFA ULT CONFIGURA TIONS: Baud rate: 9600. Word size: 8 bits. Parity : None. Stop bits: 1. XON/XOFF: Disabled. Control character ...
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Bay Technical Associates 5218H - page 10
BUFFER SIZE: 525H/529H - 3.7K Rx /256 byte Tx per port standard; the 525H optional ly av ailable wi th 7.7K Rx/256 byte Tx per port. 528H/5218H - 256-by te Rx/256- byte Tx per por t. POWER: 525H - 115 VAC, 50/60 Hz , maximum .2A.; optional 230 VAC, 50/60 H z, maximum .1A; 528H/529H/5218H - 115 VAC, 50/60 Hz ., maximum .3A.; optional 230 VAC, 50/60 ...
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Bay Technical Associates 5218H - page 11
6 After opening the box , check the packing list that comes w ith your multiport to ensur e that you have receiv ed all components. At a minimum y ou should have receiv ed the unit, this manual and any applicable addendums, and a software utility diskette. Also check the ...
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Bay Technical Associates 5218H - page 12
All standard model s requir e 115VAC, 50/60 Hz. power and come with a three-prong power cord. Do not attempt to operate the uni t with a two- prong socket or adapter. 230 VAC, 50/60 Hz . is optional. All H- models power -up when you depr ess the power swi tch on the back of the unit to "ON". The green pow er LED ...
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Bay Technical Associates 5218H - page 13
8 NOTE: Before you proceed w ith installation, make certain that the devic e connected to the host port is setup to hav e the same configuration as the mul tiport host port. The H -Series multiports are factory configured as follow s: Serial ports pow er up from the factory at: 9600 baud ra ...
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Bay Technical Associates 5218H - page 14
IMPORTA NT: Before you proceed w ith cabling , you must know whether the devic es you are connecti ng to your multipor t are DTE (Data Termi nal Equipment) or D CE (D ata Communication Equipment). The following devices are g enerally DTE: terminals, printers, and computer s like the IBM PC. The followi ng devices are DCE: ...
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Bay Technical Associates 5218H - page 15
10 If you are interfacing a DCE device to a DTE dev ice, you must use a one-to-one strai ght cable as show n in Figure 2 . If you are interfacing a DCE dev ice to a DCE device, or a DTE device to a DTE devic e, you must use a crossed cable as show n in Figure 3 . Input handshaking lines are enabl ed if nothing is connected, al lowing the sy stem to ...
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Bay Technical Associates 5218H - page 16
This section discusses user -programmable operati ons (see Section 5.1 ), operating in the diff erent modes (see Section 5.2 ), binar y mode (see Section 5.3 ), break conditi on (see Section 5.4 ), and data flow control (see Section 5.5 ). ? ...
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Bay Technical Associates 5218H - page 17
12 This is a si ngle character that indicates a completed message to the multiport i n Modes of Operation 2, 3, 4 and 5. Data is hel d in the buffer of the multiport until the message ter minating character is receiv ed f rom the peri ...
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Bay Technical Associates 5218H - page 18
NOTE: For illustration purposes, the f actory defau lt control character ( Control- T ) will be used in the following descriptions of the Modes of Operation. Section 5.2 provi des more detail for operating in the vari ous modes. ...
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Bay Technical Associates 5218H - page 19
14 Mode of Operation 3 prov ides multiplexi ng to the host port of a singl e message from all per ipheral por ts. Single messag es f rom each peripheral port are sent to the host dev ice only w hen a request for messages command is r eceived. W hen the host devi ce send ...
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Bay Technical Associates 5218H - page 20
Mode of Operation 6 prov ides time-divi sion multipl exing. In this mode, the multiport conti nuously scans al l peripheral ports to check for characters in the r eceive buffers. If a receiv e buffer contains data, the data is transmitted to the host dev ice preceded by ...
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Bay Technical Associates 5218H - page 21
16 To clear the recei ve buffer for a selected peripheral port, send the control character followed by ASCII capital R . All complete or partial messages in the buff e r of the selected peripheral port will be erased regardl e ss of the mode of operation. In Mode of Operation ...
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Bay Technical Associates 5218H - page 22
For exampl e, suppose the host device is transmi tting and recei ving data from Port 1 and you w ish to switch to Por t 2. 1. Send Control- T to the multiport. 2. W ait two char acter times. 3. Read computer input buffer. 4. If there are no character s in the PC's input buff er, send ASCII 2 . This will switch the PC to Port 2. If the re a re ...
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Bay Technical Associates 5218H - page 23
18 NOTE: The host device may select and transmit data to any peripheral port w hile simultaneousl y receivi n g all messages from all peripheral ports. Mode of Operation 3 prov ides message multiplex ing to the host port of single messages from all peripheral ports upon req u ...
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Bay Technical Associates 5218H - page 24
In Mode of Operation 5, a sing le message is sent to the host port from a selected peripher al port. Operati on in Mode 5 enables the host devic e to receiv e one complete message from a selected peripheral port by sendi ng the control character follow ed by ASCII capital S a ...
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Bay Technical Associates 5218H - page 25
20 Binary mode allows all data r eceived by the host port to be passed through to the selected per ipheral port including the control character. Binary mode is useful when sending binar y data (i.e., data in a format other than ASCII) to the sel ected peripheral port and it is possible that the bit patter ...
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Bay Technical Associates 5218H - page 26
NOTE: W hen XON/XOFF is enabled, the multiport will continue to support hardw are handshaking lines. If this is not desi red, you may disconnect the handshaking l ines entirely. Host-to-multiport-to-periphera l c ommunication: W hen ...
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Bay Technical Associates 5218H - page 27
22 Peripheral-to-multiport-to-hos t communication: W hen a peripheral dev ice transmits data to the host dev ice throug h a peripheral port, the data is r eceived and stor ed in a 3740-character receiv e buf fer (or 7740 receiv e buf f er for 525 units w ith Option 20) whic h in turn retr ansmits it to the host dev ice through the host port. After ...
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Bay Technical Associates 5218H - page 28
Host-to-multiport-to-periphera l c ommunication W hen the host device transmits data to a per ipheral device thr ough the multiport's host por t, the data is received and stored i n a 256- character transmi t buf fer which i n turn retransmits it to a peripher al devic e through a per iphe ...
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Bay Technical Associates 5218H - page 29
24 Peripheral-to-multiport-to-hos t communication W hen a peripheral dev ice transmits data to host dev ice through the multiport's per ipheral port, the data is receiv ed and stored in a 256-character r eceive buffe r which in turn r etransmits it to the computer throug h the host port. After the buffer receives 236-characters, the multiport ...
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Bay Technical Associates 5218H - page 30
To access the configuration mode of the multipor t, connect a dumb terminal ( or a PC running a ter m inal emul ation program) to the host port: Port 5 of the 525H, Port 9 of the 528H and 529H, or Port 18 of the 5218H. This port i s f actory conf igur ed at 9600 baud rate, 8 wor d size, 1 stop bi t, no pa ...
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Bay Technical Associates 5218H - page 31
26 NOTE: Menu selection is case sensi tive. It is recommended that y our keyboard be i n the CAPS LOCK position. In the configuration mode, some characters ar e display ed wi th a HEX notation si nce all combinations from 00 Hex TO 7F Hex may be selected. By respondi ng to the Enter Request: message at the end of the ma ...
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Bay Technical Associates 5218H - page 32
Status.......................................1 Set Serial Port Configuration................2 Set Message Terminate Character..............3 Set Data Block Length........................4 Set Control Character........................5 Set Mode of Operation........................6 Exit.........................................X Enter Request: NOTE: ...
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Bay Technical Associates 5218H - page 33
28 You may now reconfigure Port 3 by selecting the appropri ate option (1-6) from the menu. For exampl e, to change the baud rate to 2400 baud, send character " 2 " (Set baud rate). The multiport will respond wit h: 1 For 110 2 For 135 3 For 300 4 For 600 5 For 1200 6 For 2400 7 For 4800 8 For 9600 Enter request: Enter " 6 " for ...
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Bay Technical Associates 5218H - page 34
NOTE: W hen changing the configurati on of the host port, the multiport will also respond with: Change Device to NEW Configuration Before Answering This Request. CA UTION: This messag e reminds you to change the seri al port configuration of the host devi ce to match the new configuration of the host port. If they do not match, the multiport will b ...
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Bay Technical Associates 5218H - page 35
30 By respondi ng to the Enter Request: message at the end of the main configurati on menu (see Section 6.1 ) with " 4 " (Set Data Block Length), y ou may change the data block leng th used in Mode 6. The multiport will respond with: Current Block Length is......... ...
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Bay Technical Associates 5218H - page 36
By respondi ng to the Enter Request: message at the end of the main configurati on menu (see Section 6.1 ) with " 5 " (Set Control Character) , you may change the control character. WA RNING: Bay Tech advises y ou to log your new control character. If it is forgotte ...
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Bay Technical Associates 5218H - page 37
32 ! By respondi ng to the Enter Request: message at the end of the main configurati on menu (see Section 6.1 ) with " 6 " (Set Mode of Operation), y ou may change the cur rent mode of operation. The multiport will respond with: MODE OF OPERATION Full Duplex Communicati ...
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Bay Technical Associates 5218H - page 38
# Multipor ts power -up in the v erbose or menu-driv en mode. Only i n the menu-driv en mode can changes be saved per manently i n non-volatile memory . Non-v erbose mode allows the host device to configure the multiport be sendi ng an ASCII char acter string which may be preferable in some ins ...
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Bay Technical Associates 5218H - page 39
34 b) SET WORD SIZE MENU 5....................1 6....................2 7....................3 8....................4 c) SET STOP BITS MENU 1....................1 1 1/2................2 2....................3 d) SET PARITY MENU None.................1 Even.................2 Odd..................3 e) SET XON/XOFF MENU Enabled.............Y Disabled... ...
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Bay Technical Associates 5218H - page 40
For exampl e, to conf igur e Port 2 in the non-v erbose mode at 300 baud rate, 7 bit w ord size, 2 stop bits, ev en parity , XON/XOFF enabled, line feed terminating character, data block length 250, control character Control- T , mode of operation 6, and XON/X OFF enabled, send the followi ng character string : ^TI^TC 22*233343526Y130A 4250*51466X. ...
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Bay Technical Associates 5218H - page 41
36 To return to the v erbose mode, enter the multiport Control-T (or current control character) follow ed by ASCII capital J . If no other changes are needed, y ou may begin oper ations with y our multiport contro ller. ! Since there are no adj ustments and no moving parts in a multiport, preventi ve maintenance is ...
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Bay Technical Associates 5218H - page 42
If you have pr oblems with your H-Series multiport contr oller, BayTech has a staff of applicati ons engineers on duty to assist you from 7 am to 6 pm (CST or C DT), Monday through Friday . W hen you call BayTech, please hav e the f ollowing inf ormation availabl e which w ill help to answer your ...
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Bay Technical Associates 5218H - page 43
38 $ % This equi pment generates and uses radio freq uency ener gy and, if not installed and used proper ly (that is, i n strict accordance w ith ...
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Bay Technical Associates 5218H - page 44
" Please check this troubleshooting guide before calling Bay Tech Technical Support. PROBLEM: CA NNOT CONFIGURE H-SERIES MULTIPORT SYMPTOM: CONTROL-T (OR CURRENT CONTROL CHA RACTER) FOLLOWED BY CA PITA L C SENT IN DUMB TERMINA L MODE DOES NOT INVOKE CONFIGURA TION MENUS. ...
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Bay Technical Associates 5218H - page 45
40 CAUSE: Port config uration. SOLUTION: Match the baud r ate, word si ze, stop bits, parity and handshaking between the host dev ice and the host port. CAUSE: Port connecti on. SOLUTION: Be sure host dev ice is connected to host port of the H-Series mul tiport (the highest numbered port) . CAUSE: Software. SOLUTION: Us e dumb terminal or a compute ...
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Bay Technical Associates 5218H - page 46
CAUSE: Cable l ength. SOLUTION: BayTech will guaran t e e serial data transmission up to 150 feet at 9600 baud. If your cable exceeds thi s length, either use a shorter cable or low er the baud rate. CAUSE: Config uration problem. SOLUTION: Check baud r ate, word si ze, stop bits and parity on serial ports. Make sure the ports on the H-Seri es mult ...
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Bay Technical Associates 5218H - page 47
42 PROBLEM: CA N'T SELECT PERIPHERAL PORT FROM HOST DEVICE SYMPTOM: LEDs ON THE FRONT PA NEL DO NOT CHA NGE WHEN SELECTING DIFFERENT PERIPHERAL PORT. CAUSE: Cable. SOLUTION: Veri fy that the Tx and R x sig nals as well the handshake signals for the host dev ice are connected to the correct sig nals on the H-Series multipor t. See Section 4 . C ...
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Bay Technical Associates 5218H - page 48
PROBLEM: CA N'T RECEIVE DATA FROM PERIPHERA L PORTS CAUSE: W rong peri pheral port selected. SOLUTION: If in Modes 1, 4, or 5, make sur e the host devic e sends the correct selection seq uence and/or request for messag e command. See Section 5.2 . CAUSE: Peri pheral dev ice's cable. SOLUTION: Veri fy that the Tx and R x sig nals as well t ...
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Bay Technical Associates 5218H - page 49
44 " " All messages from all ports 1, 32 All messages from selected por t 2, 32 ASCII 16-20, 25, 26, 33, 36 Asynchronous 4 Baud rate 2, 4, 8, 11, 25, 27, 28, 33, 35, 4 ...
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Bay Technical Associates 5218H - page 50
Data block leng th 2, 4, 8, 11, 12, 15, 19, 25, 27, 30, 33-35 Data Communicati on Equipment 9 Data flow contr ol 11, 21 Data Terminal Equipment 9 Data Terminal R eady 21, 23, 40 Data transfer 1 DB-25 5, 9, 10 DCD 9, 39 DCE 5, 9, 10, 39, 40 Dimensions 5 Diskette 6, 25 DOS 6 DSR 9, 39 ...
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Bay Technical Associates 5218H - page 51
46 & Guarantee 38, 41 Handshaking 5, 10, 11, 21, 23, 27, 39, 40 Host port 1, 2, 4, 8, 12-25, 29, 33, 40 Humidity 5 IBM 3, 9, 15, 25 Identification block 25 In-line spool ers 37 Input Flow C ontrol 40 Install 2 Instal ...
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Bay Technical Associates 5218H - page 52
Main config uration menu 25-27, 29- 32 Maintenance 36 Menu 2, 11, 25-35 Message terminati ng character 11-13, 17, 29 Missing characters 40 Mode 1 1, 4, 8, 13, 16 Mode 2 1, 2, 17 Mode 3 2, 12, 18 Mode 4 2, 12, 18 Mode 5 2, 12, 19 Mode 6 2, 12, 19, 30 Mode of operation 1, 3, 4, 8, 13- ...
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Bay Technical Associates 5218H - page 53
48 Q,R Rack-mount 5 RAM 28- 32 Readme 6 Receiv e buffer 2, 15, 16, 19, 22, 24 Request for messages command 14, 18 RTS 9 Serial number 37 Serial por t configuration 2, 11, 25, 27, 29, 33, 35 Signal ground 9 Single messag e f rom a selected port 14 Single messag e f rom all por ts 2, ...
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Bay Technical Associates 5218H - page 54
&# UART 16 User- programmable 4, 11 Utility software diskette 6 VAC 5, 7 Verbose mode 33, 35, 36 Voltage 21- 24 W arranty 5, 36 We i g h t 5 W ord size 2, 4, 8, 11, 25, 27, 28, 33-35, 40-42 "&&( ...
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Bay Technical Associates 5218H - page 55
OTHER BAYT ECH PRODUCTS Print Master 700 Series printer contr ollers ar e made in several different configurations satisfyi ng v a rious interface requirements. Each unit allow s computers to share, select and/or contend for printers easi ly and economically , without sw itching cabl es. The internal buffering sy stem allows simul taneous, high-spe ...
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Bay Technical Associates 5218H - page 56
LaserShare is an inte lligent printer co ntroller tha t allows up to f o ur or eight computers to send data to a si ngle HP LaserJet laser pr inter. LaserShare MIO installs into the HP LaserJet Series IIISi, Series 4, and Series 4SI and will support serial speeds up to 460K bps. LaserShare connects directly into the optional I/O or MIO slot of the ...
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Bay Technical Associates 5218H - page 57
TRA N-X high speed parallel/ser ial conv erter products allow you to extend paral lel cables to 1000+ feet and allow y our network ser ver, graphics w orkstation, or PC to send/recei ve data at speeds up to 46,000 characters per second. You can use the Tran- x Seri es with BayTech Model 24SII, LaserShar e, or network print ser vers for the fastest ...
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Bay Technical Associates 5218H - page 58
Telplex Model TX104M is an asy nchronous statistical multi plexer wi th built-i n modem. Four indiv idual communications channels are multiplex ed into a single dial- up or leased telephone l ine, cutting phone line costs to a mini mum. The TX104M features a V.22 bis internal modem w hich prov ides reliable communicati on at speeds up to 4800 bps. ...
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Bay Technical Associates 5218H - page 59
Broadcasting (G-Series) : W ill simultaneously broadcast whatev er data is receiv ed on the host port out to either 4 or 8 peri pheral dev ices whil e sending data from a single selected peri pheral device back to the host devic e. This unit is also capable of operating i n a port expansion mode such as the A- S e r i e s . A uto T-Switch (T-Series ...
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Bay Technical Associates 5218H - page 60
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Bay Technical Associates 5218H - page 61
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