ASeries A601 User Manual Interface Converter V.24 ó V.35
Contents
1. Two combinations which are NOT supported by the A601 are as follows iii V 24 DTE Terminal to V 35 DTE Terminal iv V 24 DCE Modem to V 35 DCE Modem In the case of DTE to DTE iii no timing source exists for synchronous communications as timing is normally supplied by the DCE device In the case of DCE to DCE iv two timing sources exist and this would create an ambiguous situation 2 2 2 3 A601 User Manual Front Panel LED Indicators The LED Indicators in the A601 provide a function similar to that of a breakout box The signal names correspond to the port which is selected as DTE For example if the A601 is configured as V 24 DTE V 35 DCE and the RD LED is active then this refers to the activity on the V 24 port RD line The A601 has eleven LED indicators on its front panel The LED marked Power is Yellow and indicates that the A601 has operating power The remaining ten LEDs are Red Green bi colour indicators which may be divided into the following two groups a Handshaking and Status Signals RTS CTS DTR DSR and DCD The Handshaking and Status lines are monitored directly from the signal lines and displayed according to the following convention Bi colour LED is RED if corresponding V 24 V 35 line is HIGH Bi colour LED is GREEN if corresponding V 24 V 35 line is LOW b Data and Clock Signals RD TD SCR SCT SCTE The Data and Clock lines are monitored after convers2. w er pu SD a RD a SD b RD b SCTE a lt SCR a SCTE b x lt SCR b Y STR a AA STR b ius m CI vw m m This signal is not passed through and is not supported by the A601 A601 User Manual 6 0 SPECIFICATIONS V 24 Port CCITT V 24 EIA RS 232C Select as DTE or DCE DB 25 female connector V 35 Port CCITT V 35 Compatible Select as DTE or DCE 34 pin V 35 female connector Front LED Indicators TD Transmit Data Bi colour Red Green RD Receive Data Bi colour Red Green TC Transmit Clock Bi colour Red Green RC Receive Clock Bi colour Red Green SCTE Serial Clock Transmit External Bi colour Red Green RTS Request To Send Bi colour Red Green CTS Clear To Send Bi colour Red Green DTR Data Terminal Ready Bi colour Red Green DSR Data Set Ready Bi colour Red Green DCD Data Carrier Detect Bi colour Red Green Power Power Indicator Yellow Rear LED Indicators V 24 Port Status DTE DCE Bi colour Red Green V 35 Port Status DTE DCE Bi colour Red Green Power Supply 240V AC 50Hz Standard IEC male socket Dimensions 45mm x 120mm x 190mm Weight 920 grams Operating Temperature 0 to 40 C Stroage Temperature 20 to 70 C All specifications subject to change without notice N42 DECLARATION OF CONFORMITY according to the European Commissions EMC Directive 89 336 EEC We Name of Manufacturer ALFATRON PTY LTD of Address of Manufa
3. The A601 is factory pre set to the following configuration V 24 DCE to V 35 DTE 5 0 5 1 A601 User Manual INTERFACE PIN ASSIGNMENTS V 24 Interface Pin Assignments The direction of the signal lines depends on whether the A601 V 24 port is configured as DTE or DCE refer to Section 2 1 Name V 24 DTE V 24 DCE CET ES ES E so samo ff ES z 5 r i SCTE Transmit Signal Timing DTE m Note This signal is passed through the A601 and is not actively driven by the A601 The status of these signals is monitored and displayed on the front panel LEDs Pin o O n ep J g ep 7 ep 20 3 1 24 5 KAEA This signal is not passed through and is not supported by the A601 A601 User Manual 5 2 V 35 Interface Pin Assignments The direction of the signal lines depends on whether the A601 V 35 port is configured as DTE or DCE refer to Section 2 1 Full Signal Name poo on V 35 DTE V 35 DCE Request To Send Data Carrier Detect Data Terminal Ready Receive Data a Receive Data b Serial Clock Transmit a Signal Clock Receive a Serial Clock Transmit b Signal Clock Receive b Signal Clock Transmit a Signal Clock Transmit b Remote Loopback Local Loopback Note This signal is passed through the A601 and is not actively driven by the A601 The status of these signals is monitored and displayed on the front panel LEDs O pE O n
4. User Manual ASeries A601 Interface Converter V 24 V 35 ALFATRON The interfacing specialists A601 User Manual Version 1 10 May 1999 COPYRIGHTS All rights reserved This document may not in whole or part be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form without the express permission in writing from Alfatron Pty Ltd Copyright 1999 Alfatron Pty Ltd DISCLAIMER Alfatron Pty Ltd has made every attempt to ensure that the information contained in this document is accurate and complete Alfatron Pty Ltd makes no representation or warranties of merchantability or fitness for any particular purpose Alfatron Pty Ltd reserves the right to make changes to this document at any time without notice Therefore Alfatron Pty Ltd assumes no liability for damages incurred directly or indirectly from errors omissions or discrepancies with the hardware and the manual TRADEMARKS All Company and Product names are trademarks of the Company or Manufacturer respectively WARRANTY Alfatron warrants its products against defects in materials and workmanship for a period of one year from receipt by the customer All warranty is carried out on a return to depot basis unless an alternative warranty coverage has been arranged WARRANTY EXCLUSIONS The above warranty shall not apply to defects resulting from improper or inadequate maintenance by the customer unauthorised modific
5. ations or misues operation outside the environmental specifications for the product damage due to power surges lightening strikes or any other phenomenon outside normal operational specifications Alfatron Pty Ltd ACN 005 410 819 P O Box 4161 Unit 9 36 New St Ringwood VIC 3134 AUSTRALIA Web Site www alfatron com au AUSTRALIAN MADE 1 0 A601 User Manual PRODUCT DESCRIPTION The ASeries A601 is a CCITT V 24 RS 232 to CCITT V 35 interface converter and provides bi directional data communication between the V 24 and V 35 communication standards at speeds of up to 64Kbits second No changes are made to either data or timing signals and the A601 is transparent to data and any introduced protocol Both the V 35 and V 24 ports of the A601 may be configured to either Data Communications Equipment DCE or Data Terminal Equipment DTE via an internal 34 pin jumper Possible A601 configurations are as follows 35 DCE to V 24 DTE 35 DTE to V 24 DCE The physical layout of the ASeries A601 is as follows i V 240V 35 ALFATRON INTERFACE CONVERTER 2E Lee ot eO co r AS N E A A eo ao Power ASeries gt id 2 A 6 0 1 0 06 0 0 0 0 0 WIIIIIIIIE OPA 00000000 WY OMPYYYY YY YY 7 V 24 Status LED V 35 Status LED Status LED Red DTE and Green DCE Figure 1 1 A601 viewed from front and rear Light Emitting Diodes LEDs on Rear Pane
6. cturer UNIT 9 36 NEW ST RINGWOOD VIC 3134 AUSTRALIA Australian Company Number ACN 005 410 819 declare under sole responsibility that the product Product Name ASeries V 24 to V 35 Interface Converter Model Number A601 to which this declaration relates is in conformity with the following standards CISPR 22 EN 55022 class B EMI from Information Technology Equipment ITE IEC 801 2 prEN55024 2 Electro Static Discharge Immunity IEC 801 3 prEN55024 3 Radiated RF Immunity IEC 801 4 prEN55024 4 Electrical Fast Transients Immunity
7. ion of the corresponding signal to acommon TTL level and displayed according to the following convention Bi colour LED is RED if corresponding TTL signal is LOW Bi colour LED is GREEN if corresponding TTL signal is HIGH Rear Panel LED Indicators The two bi colour LEDs on the rear panel are shown in Figure 1 1 They identify the DTE or DCE status of the port closest to that LED and are determined by the internal 34 pin jumper These LEDs provide a convenient method of identifying the status of each port without opening the case Bi colour LED is RED if corresponding port is DTE Bi colour LED is GREEN if corresponding port is DCE A601 User Manual 3 0 4 0 CABLE REQUIREMENTS Alfatron Pty Ltd recommends the use of shielded cable with all of its products Shielding reduces Electro Magnetic Radiation and improves noise immunity This helps minimise interference to other equipment and will improve communications reliability The recommended cable construction is as follows Take the shield surrounding cable wires and solder it to the Frame Ground FG pin If FG is not available use Signal Ground SG but in this case always use a separate wire for ground which is connected at both ends If a metalised backshell is used then it is preferred that the cable shield make 360 contact with the backshell at the point of entry The shield must be connected at both ends of the cable FACTORY SETTINGS
8. l The two LEDs shown on the rear panel in Figure 1 1 are a convenient method of identifying the DTE or DCE status of each port Bi colour LED is RED if corresponding port is DTE Bi colour LED is GREEN if corresponding port is DCE A601 User Manual 2 0 2 1 INSTALLATION Selecting DCE or DTE Before installing the A601 please make sure that the 34 way jumper is inserted into the correct DCE or DTE position to meet your requirements In the majority of cases where synchronous serial communications is used the DCE will provide the Clock Signal to the DTE devices therefore the A601 supports the following two configurations of V 24 and V 35 i V 24 DTE Terminal to V 35 DCE Modem ii V 24 DCE Modem to V 35 DTE Terminal These configurations are selected by removing the cover of the A601 and inserting the 34 pin polarised jumper into the appropriate socket J201 or J202 located on the Printed Circuit Board PCB as shown below Note The RED stripe on the 34 pin jumper must be towards the configuration description boxes on the PCB as shown here V24 DTE V35 DCE V24 DCE v35 pTe MIMI QUI J201 J202 Figure 2 1 Configuration jumper blocks on PCB WARNING 240Volt power must be removed from the A601 before the cover is removed and the 34 pin jumper re located
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