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RAD Data Communications ASM-20 - page 1
Installation and Operation Manual AS M - 2 0 S ynchronous/Asynchronous S hort Range Modem ...
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RAD Data Communications ASM-20 - page 2
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RAD Data Communications ASM-20 - page 3
ASM-20 Synchronous/Asynchronous Short Range Modem Installation and Operation Manual Notice T h i s m a n u a l c o n t a i n s i n f o r m a t i o n t h a t i s p r o p r i e t a r y t o R A D D a t a C o m m u n i c a t i o n s L t d . ( " R A D " ) . N o part of this publication may be reproduced in any form whatsoever without prior wri ...
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RAD Data Communications ASM-20 - page 4
Limited Warranty RAD warrants to DISTRIBUTOR that the hardware in the A SM-2 0 to be delivered her eunder shall be free of defects in material and workmans hip under no rmal use and service for a period of twelve (12) months following the date of shipment to DISTRIBUTOR. If, during the warranty period, any component part of the equipment becomes d ...
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RAD Data Communications ASM-20 - page 5
General Safety Instructions The following in structions ser ve as a general guid e for the safe installation and operation of telecommunications products. Addition al i nstructions, if appl icable, are included i nside the manual. Safety Symbols This symbol may appear on the equipment or in the text. It indicates potential safety hazards regarding ...
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RAD Data Communications ASM-20 - page 6
Handling Energized Products General Safety Practices Do not touch or tamper with the power supply when the power cord is connecte d. Line voltages may be present inside certain product s even wh en the power switch (if installed) is in the OFF position or a fuse is blown. For DC-powered products, alth ough the voltages levels are usua lly not hazar ...
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RAD Data Communications ASM-20 - page 7
Connection of Data and Telecommunications Cables Data and telecommunicatio n interfaces ar e classified accor ding to th eir safety status. The following table list s the status of several standard in terfaces. If the st atus of a given port differs from the standard one, a no tice will be given i n the manual. Ports Safety Status V.11, V.28, V.35, ...
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RAD Data Communications ASM-20 - page 8
To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cords. Pour réduire les risques s’incendie, utiliser seulement des conducteurs de télécommunications 26 AWG ou de section supérieure. Some ports are suitable for connection to intra-buildin g or non-exposed wiring or cabling only. In such cases, a notice will be ...
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RAD Data Communications ASM-20 - page 9
Canadian Emission Requirements This Class A digital apparatus meets all the requirements of the Canadian Interference-Causing Equipment Regulation. Cet appareil numérique de la classe A respecte to utes les exigences du Règlement sur le matériel brouilleur du Canada. Warning per EN 55022 (CISPR- 22) This is a class A product. In a domestic envir ...
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RAD Data Communications ASM-20 - page 10
Declaration of Conformity Manufacturer's Name: RAD Data Communications Ltd. Manufacturer's Address: 24 Raoul Wallenberg St. Tel Aviv 69719 Israel declares that the product: Product Name: ASM-20 conforms to the following standard(s ) or other normative document(s): EMC : EN 55022: 1998 Information techno logy equipment, radio disturbance c ...
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RAD Data Communications ASM-20 - page 11
1 Quick Start Guide If you are fami liar with ASM-20, use this guide to prepare it for operation. Perform the following steps for both the local and the remote units. 1. Disconnect all cables from the units. 2. Open the units. 3. Adjust the jumpers. See Chapter 2, Installation and Setup . Make sure that there is only one clock so urce in the applic ...
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RAD Data Communications ASM-20 - page 12
Quick Start Guide ASM-20 Installation and Operation Manual 2 ...
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RAD Data Communications ASM-20 - page 13
ASM-20 Installation and Operation Manual i Contents Chapter 1. Introduction 1.1 Overview ..................................................................................................................... 1-1 Applicat ions .......................................................................................................................... 1- ...
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RAD Data Communications ASM-20 - page 14
Table of Contents ASM-20 Installation and Operation Manual 4.3 Modem Self Test .......................................................................................................... 4-3 4.4 Local Test - An alog Loopback ...................................................................................... 4-3 4.5 Communication L ink Tests ..... ...
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RAD Data Communications ASM-20 - page 15
Overview 1-1 Chapter 1 Introduction 1.1 Overview The ASM-20 short range modem operates synchronously or asynchronously at full-or half-duplex, over unconditioned lines. AS M-20 has a range of up to 23 km (14 mi) and operates at s electable data rates from 19.2 k bps to 256 kbps. ASM-20 uses conditioned diphase modulation (EUROCOM Std. D1) to prov i ...
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RAD Data Communications ASM-20 - page 16
Chapter 1 Introduction ASM-20 Installation and Operation Manual 1-2 Overview 02-Aug-2005 10:47 G.703 DIGI T A L SERVIC E NETWORK ASM-2 0 EXT CL K ASM-2 0 RCV CLK RAD RAD Te r m i n a l ASM-2 0 EXT CL K ASM-2 0 RCV CLK RAD RAD DTE Figure 1-2. G.7 03 Modem Link Application ASM-2 0 G. 703 or X. 21/RS- 530 /V . 24 or V .35 or ETH DTE RAD ASM-2 0 RAD Fi ...
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RAD Data Communications ASM-20 - page 17
ASM-20 Installation and Operation Manual Chapter 1 Introduction Physical Description 1-3 • Built-in Ethernet bridge. Connection to an RS-449/V.36 interface is acco mplished via the RS-530 interface (see Appendix A, Ethernet Interface ). AS M-20 incorporates a built-in B it Error Rate Tester (BERT). The internal BERT allows complete testing of bot ...
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RAD Data Communications ASM-20 - page 18
Chapter 1 Introduction ASM-20 Installation and Operation Manual 1-4 Functional Description 02-Aug-2005 10:47 shows an example of an ASM-20 rear pa nel. A description of the rear panel can be found in Electrical Installation in Chapter 2 . The line and interface connectors are lo cated on the rear panel of AS M-20 (see Figure 1-5 ). GND RCV XM T DTE ...
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RAD Data Communications ASM-20 - page 19
ASM-20 Installation and Operation Manual Chapter 1 Introduction Functional Description 1-5 Modulation Timing This circuit supplies the tr ansmit clock to the encoder. Three clock sources are available: • Internal oscillator • External from the DTE • Loop clock derived from the receive signal. Setting the XMT CLK jumper dete rmines the timing ...
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RAD Data Communications ASM-20 - page 20
Chapter 1 Introduction ASM-20 Installation and Operation Manual 1-6 Functional Description 02-Aug-2005 10:47 A synchronous transmission is provided by internal conversion from asynchronous to synchronous mode in compliance with IT U V.22 bis. In this standard, the modem compensates for frequency de vi ation between the modem and the DTE by adjustin ...
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RAD Data Communications ASM-20 - page 21
ASM-20 Installation and Operation Manual Chapter 1 Introduction Technical Specifications 1-7 1.4 Technical Specifications Transmission Line Type Unloaded twisted pair 19 to 26 AWG Range See Table 1-1 Level Strap-selectable to 0 dBm or -6 dBm Transmit Impedance 150 Ω or LOW (strap selectable) Receive Impedance 150 Ω or HIGH (strap sel ectable) R ...
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RAD Data Communications ASM-20 - page 22
Chapter 1 Introduction ASM-20 Installation and Operation Manual 1-8 Technical Specifications 02-Aug-2005 10:47 Diagnostics (Complies with the V.54 Standard) Digital Loopback Local (DIG), activated by a manual switch Remote (REM), activated by a manual switch or by a control signal from the DTE interface connector Analog Loopback Local (ANA), activa ...
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RAD Data Communications ASM-20 - page 23
ASM-20 Installation and Operation Manual Chapter 1 Introduction Technical Specifications 1-9 Table 0-1 Approximate Range Baud Rate 19 AWG (0.8 mm) 22 AWG (0.6 mm) 24 AWG (0.5 mm) 26 AWG (0.4 mm) kbps km miles km miles km mil es km miles 256 3.75 2.3 2.85 1.75 2.25 1.4 1.9 1.2 192 6.0 3.7 4.5 2.8 3.5 2.2 2.7 1.7 144 10.6 6.6 6.75 4.2 4.5 2.8 3.4 2.1 ...
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RAD Data Communications ASM-20 - page 24
Chapter 1 Introduction ASM-20 Installation and Operation Manual 1-10 Technical Specifications 02-Aug-2005 10:47 ...
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RAD Data Communications ASM-20 - page 25
Package Contents 2-1 Chapter 2 Installation and Setup 2.1 Introduction This chapter provides instruction s for mech anical and electrical installatio n of the ASM-20 standalone model. • For rack installation of the ASM-20, see Chapter 5, Card Cage Version . • For ETH interface installation see Appendix A, Ether net Interface . • For G.703 int ...
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RAD Data Communications ASM-20 - page 26
Chapter 2 Installation and Setup ASM-20 Installation and Operation Manual 2-2 Setting Internal Jumpers and Switches 2.4 Equipment Needed ASM-20 is a standalone device designed to be placed on a table top or bench. It is delivered completely assemb led. No provisions are made for bolting ASM-20 to the tabletop. No special equipment is need ed for in ...
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RAD Data Communications ASM-20 - page 27
ASM-20 Installation and Operation Manual Chapter 2 Installation and Setup Setting Internal Jumpers and Switches 2-3 BAUD RA TE kbp s INT EXT RCV ASY XMT CLK CHA SS DIS CON RTS -C T S DL Y (ms) 0 9 70 0 - 256 1 - 192 2 - 144 3 - 128 4 - 1 15.2 5 - 1 12 6 - 96 7 - 72 8 - 64 9 - 57.6 A - 5 6 B - 4 8 C - 38. 4 D - 32 E - 2 8.8 F - 19.2 V5 4 DIS EN DIS ...
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RAD Data Communications ASM-20 - page 28
Chapter 2 Installation and Setup ASM-20 Installation and Operation Manual 2-4 Setting Internal Jumpers and Switches Table 2-1. ASM-20 Str ap Selection Settings Jumper and Switch Identity Function Possible Settings** J1 V54 DIS Prevents activation of remote V.54 loops. EN DIS J2 CARRIER Selects the transmit carrier mode. When ON, transmit carrier is ...
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RAD Data Communications ASM-20 - page 29
ASM-20 Installation and Operation Manual Chapter 2 Installation and Setup Setting Internal Jumpers and Switches 2-5 Table 2-2. ASM-20 Str ap Selection Settings (Cont.) Jumper and Switch Identity Function Possible Settings ** SW2 ASYNC LENGTH (3 dip switches) Select character length in async mode (see Table 2-3. Async Chara cter Length Setting for f ...
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RAD Data Communications ASM-20 - page 30
Chapter 2 Installation and Setup ASM-20 Installation and Operation Manual 2-6 Connecting the Cables Table 2-3. Async Char acter Length Setting Start Bit Data Bits Parity Stop Bit No. of Bits 1 5 NONE 2 8 1 6 NONE 1, 1.5, 2 8 9 1 6 ODD, EVEN 1, 1.5, 2 9 10 1 7 NONE 1, 1.5, 2 9 10 1 7 ODD, EVEN 1, 1.5, 2 10 11 1 8 NONE 1, 1.5, 2 10 11 1 8 ODD, EVEN 1 ...
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RAD Data Communications ASM-20 - page 31
Controls and Indicators 3-1 Chapter 3 Operation This chapter: • Describes the controls and indicators of ASM- 20 and their functions • Explains the operation procedures • Provides jumper and swit ch information. Installation procedures given in Chapte r 2, Installation and Setup must be completed and checked before atte mpting to operate the ...
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RAD Data Communications ASM-20 - page 32
Chapter 3 Operation ASM-20 Installation and Operation Manual 3-2 Controls and Indicators DIG ANA REM PATT ASM-20 AB C D RTS PWR TD DCD TEST ERR 1 2 3 RD 5 6 7 4 Figure 3-1. ASM-20/SA Front Panel PWR 1 2 3 4 5 A E B C D 7 RT S TD DCD TEST DIG ANA PAT T ERR RPF ASM - 20 Figure 3-2. ASM-20R Front Pa nel ...
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RAD Data Communications ASM-20 - page 33
ASM-20 Installation and Operation Manual Chapter 3 Operation Controls and Indicators 3-3 Table 3-1. Control and Indicator Funct ions Item Name Type Function A DIG Pushbutton The Digital Loopback switch causes the local ASM-20 to loop received data and clock back to its transmitter. Data Set Ready will turn off (see Figure 4-5 ). B ANA Pushbutton Th ...
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RAD Data Communications ASM-20 - page 34
Chapter 3 Operation ASM-20 Installation and Operation Manual 3-4 Power Off 3.3 Operation ASM-20 operates entirely unattended, exce pt when the occasional monitoring of LED indicators is required. Test Activation In order to verify that the ASM- 20 is oper ating correctly, use the internal BERT and analog loopback tests as described in Bit Error Rat ...
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RAD Data Communications ASM-20 - page 35
Bit Error Rate Tester (BERT) 4-1 Chapter 4 Troubleshooting and Diagnostics This chapter contains procedures for performing system diagnost ic tests for ASM-20. Use the test procedures provided in th is chapter to: • Verify normal system operation • Isolate faulty equipment in the event of failure. Tests are activated by control push buttons on ...
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RAD Data Communications ASM-20 - page 36
Chapter 4 Troubleshooting and Diagnostics ASM-20 Installation and Operation Manual 4-2 Bit Error Rate Tester (BERT) PAT T Pre ssed Pattern Ge nerat or Pattern Te s t e r Error XMT RCV ASM-2 0 Figure 4-1. BERT U sing Loops Alternatively, the complete link can be tested when using tw o ASM-20 mo dems or an external BERT. Figure 4-2 illustrates the tw ...
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RAD Data Communications ASM-20 - page 37
ASM-20 Installation and Operation Manual Chap ter 4 Troubleshooting and Diagnostics Local Test - Analog Loopback 4-3 4.3 Modem Self Test The modem self test verifies that AS M-20 is operating correctly. To verify that ASM-20 is operating correctly: 1. Press the ANA (Analog Lo opback) push button on the front panel. Both the TEST and DCD LEDs sh ...
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RAD Data Communications ASM-20 - page 38
Chapter 4 Troubleshooting and Diagnostics ASM-20 Installation and Operation Manual 4-4 Communication Link Tests 2. Check that the DTE is o perating properly and can be used for a test. If a fa ult is indicated, call a technician or replace the unit. 3. Execute the test using one of the methods descri bed below: Use the DTE and check the echoed ...
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RAD Data Communications ASM-20 - page 39
ASM-20 Installation and Operation Manual Chap ter 4 Troubleshooting and Diagnostics Communication Link Tests 4-5 RCVR RCVR LO C AL DA T A TER MINAL XMTR XMTR LOCAL ASM- 20 REMOTE ASM-2 0 DA T A DA T A CLK CLK REMOTE DA T A TER MINAL REM Pre ssed Figure 4-4. Re mote ASM-20 in Digital Loopback Local Digital Loopback This test is activated by pressing ...
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RAD Data Communications ASM-20 - page 40
Chapter 4 Troubleshooting and Diagnostics ASM-20 Installation and Operation Manual 4-6 Frequently Asked Questions 4.6 Frequently Asked Questions Q. How is the new version of ASM-20 different fro m the older version? A. ASM-20 has been improv ed in orde r to get CE mark approval and has some new features. A different ordering name, AS M-20-2, was gi ...
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RAD Data Communications ASM-20 - page 41
ASM-20 Installation and Operation Manual Chap ter 4 Troubleshooting and Diagnostics Technical Support 4-7 4.7 Technical Support Technical support for this product can be obtained from the local distrib utor from whom it was purchased. For further information, please contact th e RAD distributor nearest you or one of RAD's offices worldwide. Th ...
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RAD Data Communications ASM-20 - page 42
Chapter 4 Troubleshooting and Diagnostics ASM-20 Installation and Operation Manual 4-8 Technical Support ...
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RAD Data Communications ASM-20 - page 43
ASM-MN-214 Card Cage 5-1 Chapter 5 Card-Cage Version This chapter describes the ASM-20/R c ard ve rsion, designed fo r installation in the ASM-MN-214 card cage. The chapter describes: • ASM-MN-214 card cage • ASM-20/R card version • ASM-20/R power supply • How to install ASM-20/R. 5.1 ASM-MN-214 Card Cage The ASM-MN-214 card cage contains o ...
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RAD Data Communications ASM-20 - page 44
Chapter 5 Card-Cage Version ASM-20 Installation and Operation Manual 5-2 ASM-MN-214 Card Cage Figure 5-1. ASM-MN-214 Rear Panel ...
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RAD Data Communications ASM-20 - page 45
ASM-20 Installation and Operation Manual Chapter 5 Card-Cage Version ASM-20/R Card Version 5-3 5.2 ASM-20/R Card Version Figure 5-2. ASM-2 0/R Front Panel shows the ASM-20/R card front panel. Th e LEDs and switches of the card version are identical in their functionality to th ose of the st andalone device. For this information, see Controls and In ...
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RAD Data Communications ASM-20 - page 46
Chapter 5 Card-Cage Version ASM-20 Installation and Operation Manual 5-4 Power Supply 5.3 Power Supply Power is supplied to the ASM-20/R card from the ASM- MN-214 power supply via the chassis. Each ASM-20/R card has two fuses, which protect the entire system against power failure resulting fr om a short circuit in one card. The ASM-MN-214 card cage ...
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RAD Data Communications ASM-20 - page 47
ASM-20 Installation and Operation Manual Chapter 5 Card-Cage Version Installation 5-5 Figure 5-3. ASM-MN-214 Front Panel ...
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RAD Data Communications ASM-20 - page 48
Chapter 5 Card-Cage Version ASM-20 Installation and Operation Manual 5-6 Installation 5.4 Installation To install the ASM-20/R card in the ASM-MN-214 card cage: 1. Install the AS M-MN-214 card cage in t he 19" rack. 2. Adjust the jumpers and switches on the card as re quired (see Table 2-1 and Figure 2-3 in Chapter 2). 3. Insert the ASM-20 ...
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RAD Data Communications ASM-20 - page 49
IR-ETH Connector Options A-1 Appendix A Ethernet Interface This appendix: • Describes the IR-ETH for RAD mo dems • Describes the different IR-ETH connector optio ns • Lists the Ethernet bridge specificat ions • Explains how to install and operate a n Ethernet bridge. A.1 Description The IR-ETH is an interface module fo r RAD modems, used fo ...
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RAD Data Communications ASM-20 - page 50
Appendix A Ethernet Interface ASM-20 Installation and Operation Manual A-2 IR-ETH Connector Options Line C onnecto r Figure A-2 ASM-20 Rear Panel wi th IR-ETH/UTP Co nnector Option Line Connec tor Figure A-3 ASM-20 Rear Panel wi th IR-ETH/BNC Connector Option DB-25 (13) RCV (+) (12) RCV (-) (1 1 ) X MT(+) (9 ) XM T ( - ) (7 ) G ND 7 9 13 11 12 Figu ...
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RAD Data Communications ASM-20 - page 51
ASM-20 Installation and Operation Manual Appendix A Ethernet Interface Installation and Operation A-3 A.3 Ethernet Bridge Specifications General LAN Table 10,000 addresses Filtering and Forwarding 15,000 pps Buffer 256 frames Delay 1 frame LAN Standard Conforms to IEEE 802.3/Ethernet Data Rate 10 Mbps (20 Mbps 10BaseT FDX) Connectors 10BaseT (UTP): ...
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RAD Data Communications ASM-20 - page 52
Appendix A Ethernet Interface ASM-20 Installation and Operation Manual A-4 Installation and Operation 1 2 3 4 Figure A-6 Ethernet Bridge Layout (BNC option) LAN Installation For 10BaseT installation, either a str aight cable or a cross-cable may be req uired. Use a cross-cable when connecting to a port that does not implement the crossover function ...
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RAD Data Communications ASM-20 - page 53
ASM-20 Installation and Operation Manual Appendix A Ethernet Interface Installation and Operation A-5 Table A-3 IR-ETH Brid ge LED Indicators LED Name Description Location Color LINK ON indicates good link integrity (available only in the 10BaseT version) Panel Green COLL ON indicates collision on the attached Ethernet segment Panel Yellow RX ON wh ...
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RAD Data Communications ASM-20 - page 54
Appendix A Ethernet Interface ASM-20 Installation and Operation Manual A-6 Installation and Operation ...
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RAD Data Communications ASM-20 - page 55
General Description B-1 Appendix B IR-G.703 Codirectional Interface (64 kbps) B.1 Introduction This appendix: • Provides a general description of the IR-G.70 3 codirectional interface (64 kbps) • Describes the EXT mode • Describes the INT/RCV mode B.2 General Description The IR-G.703 is an interface module for RAD modems, converting G.703 cod ...
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RAD Data Communications ASM-20 - page 56
Appendix B IR-G.703 Codirectional Interface (64 kbps) ASM-20 Installation and Operation Manual B-2 EXT Mode Figure B-1. I R-G.703 Connector Options In Figure B-1 , RCV refers to the input signals to the IR module; XMT refers to the output signals fr om the module. The IR-G.703 interface module is shown in Figure B-2 . It has two operation modes whi ...
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RAD Data Communications ASM-20 - page 57
ASM-20 Installation and Operation Manual Appendix B IR-G.703 Codirectional Interface (64 kbps) INT/RCV Mode B-3 T imi ng So urce TX Da ta TX TX RX RX RX Da ta G.703 Codi rect ional 64 kb ps netwo rk FI FO EXT Cl ock Mode RCV Clo ck Mode Cloc k In Cloc k Out Modem A Modem B Cloc k Reco very Data Data CLK Cloc k Reco very FI FO IR-G.703 Module Cloc k ...
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RAD Data Communications ASM-20 - page 58
Appendix B IR-G.703 Codirectional Interface (64 kbps) ASM-20 Installation and Operation Manual B-4 INT/RCV Mode ...
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RAD Data Communications ASM-20 - page 59
IR-X.21B Connectors C-1 Appendix C IR-X.21B Interface Module This appendix: • Provides a general description of the IR-X.2 1B interface module • Describes the IR-X.21B connectors an d pin assignments • Describes the IR-X.21B interface module • Describes the EXT mode for the IR-X. 21B • Describes the INT/RCV mode for the IR-X.21B. C.1 Desc ...
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RAD Data Communications ASM-20 - page 60
Appendix C IR-X.21B Interface Module ASM-20 Installation and Operation Manual C-2 IR-X.21B Interface Module The ASM-20 modem rack version requires an additional adapter to connect between the DB-15 connector of the X.21 equipment to the DB-25 connector of the ASM-MN-214 mode m rack. For this purpose, an optional DB-15 attach ment CIA/X.21 can be or ...
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RAD Data Communications ASM-20 - page 61
ASM-20 Installation and Operation Manual Appe ndix C IR-X.21B Interface Module EXT Mode C-3 JP 2 INT/RCV INT/RCV cloc k setting EXT cloc k setting Co nn ect o r DB -1 5 EXT Figure C-3 Location of Jumper JP2 in the IR-X.21B Interface Module C.4 EXT Mode This mode is used in applications of X.21 networks where the system timing is provided by the X.2 ...
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RAD Data Communications ASM-20 - page 62
Appendix C IR-X.21B Interface Module ASM-20 Installation and Operation Manual C-4 INT/RCV Mode Transmit Data DB Connector FIFO Buffer IR-X.21 MODEM (EXT) TD TC RD RC from DTE (2,9) External timing from DTE (7,14) Receive Data to DTE (4,11) FIFO Buffer Signal Timing (6,13) Figure C-4 EXT Mode Ti ming Block C.5 INT/RCV Mode This mode is used in appli ...
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RAD Data Communications ASM-20 - page 63
D-1 Appendix D DTE Interface Connectors Table D-1 lists detailed information a bout each DTE interface connector. ...
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RAD Data Communications ASM-20 - page 64
Appendix D DTE Interface Connectors ASM-20 Installation and Operation Manual D-2 Table D-1. Interface Signal List (Female Co nnectors) Pinout and Standard Signal Names RS-232 V.35 EIA-530 X.21 Signal Function DB-25 Standalone and Frame DB-25 Frame 34-pin Standalone Pin Circuit DB-25 Standalone and Frame Pin Circuit DB-25 Frame DB-15 Standalone Pin ...
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RAD Data Communications ASM-20 - page 65
ASM-20 Installation and Operation Manual Appendix D DTE Interface Connectors D - 3 Table D-1. Interface Signal List (Female Connect ors) Pinout and Standard Signal Name s (Cont.) RS-232 V.35 EIA-530 X.21 Signal Function DB-25 Standalone and Frame DB-25 Frame 34-pin Standalone Pin Circuit DB-25 Standalone and Frame Pin Circuit DB-25 Frame DB-15 Stan ...
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RAD Data Communications ASM-20 - page 66
Appendix D DTE Interface Connectors ASM-20 Installation and Operation Manual D-4 ...
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RAD Data Communications ASM-20 - page 67
E-1 Appendix E Connection to RS-422 Table E-1 describes how to connect ASM-20 (E IA 530) to a RS-422 (V.36) DTE. Table E-1. Interface List for Connecting ASM-20 (RS- 530) to RS-422 (V.36) DTE Signal Function RS-449 (RS-422/423) 37 Pins EIA 530 DB-25 Female Standalone and Frame Pin Circuit Pin Circuit Protective Ground 1 Shield 1 Signal Ground 19 SG ...
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RAD Data Communications ASM-20 - page 68
Appendix E Connection to RS-422 ASM-20 Installation and Operation Manual E-2 ...
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RAD Data Communications ASM-20 - page 69
Installation of the Unit Case into a 19-inch Rack F-1 Appendix F Unit Case Assembly This appendix: • Describes the unit case • Describes how to install the unit case into a 19-inch rack. F.1 Unit Case The unit case design facilitates quick acce ss to the interior strappings as well as easy installation into a 19-inch rack. F.2 Installation of t ...
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RAD Data Communications ASM-20 - page 70
Appendix F Unit Case Assembly ASM-20 Installation and Operation Manual F-2 Installation of the Unit Case into a 19-inch Rack Short Brac ket Fas ten ing Scre ws Lon g Bra cket Figure F-1. Installing a Single Unit Installing Two Units Rack adapter components for installing two units include: two lo ng side rails (one for each unit) that slide into ea ...
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RAD Data Communications ASM-20 - page 71
ASM-20 Installation and Operation Manual Appendix F Unit Case Assembly Installation of the Unit Case into a 19-inch Rack F-3 Short Bra cke t Left-Ha nd Unit Right-Hand Unit Rail Short Brac ket Rail Figure F-2 Rack Adapter Components for Installation of Two Units To install two units: 1. Fasten one long side rail to each unit (right side to one ...
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RAD Data Communications ASM-20 - page 72
Appendix F Unit Case Assembly ASM-20 Installation and Operation Manual F-4 Installation of the Unit Case into a 19-inch Rack 4. ). 5. Secure the supplie d plastic caps to the ends of the rails, to prevent the un its moving and to protect the rail ends. 6. Place the assembled units in the rack and fasten the brackets to the side rails of the rack, b ...
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RAD Data Communications ASM-20 - page 73
24 Raoul W allenberg St., T el Aviv 69719, Israel T el: +972-3-6458181, F ax: +972-3-6483331, +972-3-6498250 E-mail: , W eb site: Customer Response Form RAD Data Communications would like your hel p in improving its product documentation. Please complete and return this form by mail or by fax or s end us an e-mail with your comments. Thank you for ...
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RAD Data Communications ASM-20 - page 74
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RAD Data Communications ASM-20 - page 75
Error Report Type of Error(s) ❒ Incompatibility with product or Problem(s): ❒ Difficulty in understanding text ❒ Regulatory information (Safety, Compliance, Warnings, etc.) ❒ Difficulty in finding needed informatio n ❒ Missing information ❒ Illogical flow of information ❒ Style (spelling, grammar, references, etc.) ❒ Appearance ❒ ...
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Publication No. 601-20 0-09/05 www.rad.com INTERNATIONAL HEADQUAR TERS: 24 Raoul Wallenberg Street, Tel Aviv 69719, Israel, Tel: 972-3-6458181 Fax: 972-3-6498250, 972-3-647 4436, Email: market@rad.com NORTH AMERICA HEADQUARTE RS: 900 Corporate Drive, Mahwah, N.J. 07430, Tel: (2 01) 529-1100 Toll Free: 1-800-444-7234, Fa x: (201) 529-5777, Email: ma ...
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