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RAD Data comm ASMi-31 User's Manual

1. and is converted back at the other end into X 21 signals or into any other digital interface signal ASMi 31 is generally supplied with IR X 21 This is due to an internal FIFO that assumes the phase mismatch when the clock is supplied by an external source ASMi 31 also has the option to order IR X 21 for extra buffers Figure C 1 shows a typical application of the ASMi 31 standalone modem with the IR X 21 interface module gt GA x2 C Co CPCCeCeeeceeeeereeererrerr ll ll ll ll Central Location Remote Location Figure C 1 Typical ASMi 31 X 21 Application C 2 X 21 Connectors Figure C 2 shows the rear panel of a standalone ASMi 31 with the IR X 21 interface module 14 T 250V lt gt o ise N Figure C 2 ASMi 31 Rear Panel with X 21 Connector The ASMi 31 modem rack version requires an additional adaptor to connect between the DB 15 connector of the X 21 equipment to the DB 25 connector of the ASM MN 214 modem rack For this purpose an optional DB 15 attachment CIA X 21 can be ordered separately from RAD The attachment connects to the ASM MN 214 rear panel as shown for the CIA V 35 attachment in Chapter 5 X 21 Connectors C 1 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix C X 21 Interface Module Pin Assignment C 2 Order from Cutter Networks X 21 Connectors ASMi 31 Installation and Operation Manual Pin ID 1 Shield 2 A 3 A 4 A 5
2. 000 pps Forwarding Buffer 256 frames Delay 1 frame Standard Conforms to IEEE 802 3 Ethernet Data Rate 10 Mbps 20 Mbps 10BaseT FDX Connectors 10BaseT UTP Shielded RJ 45 10Base2 BNC connector Protocol HDLC Data Rate According to the modem transmission rate Installation and Operation A 3 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix A Ethernet Interface ASMi 31 Installation and Operation Manual A 5 Installation and Operation Figure A 5 and Figure A 6 show the Ethernet bridge layout the locations of the DIP switches and the rear panel components for the UTP and the BNC versions respectively Figure A 5 Ethernet Bridge Layout UTP Option Figure A 6 Ethernet Bridge Layout BNC Option A 4 Installation and Operation Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMIi 31 Installation and Operation Manual LAN Installation Note Switch Settings Switch Name Number 1 SQ FD 2 CMP 3 FIL 4 nc Note LED Indicators LED Name LINK COLL RX TX ERR D4 Order from Cutter Networks Appendix A Ethernet Interface For 10BaseT installation either a straight cable or a cross cable may be required Use a cross cable when connecting to a port that does not implement the crossover function internally Otherwise use a straight cable Hubs usually implement the crossover function internally while NICs and other devices do not
3. 31 is a standalone device intended for tabletop or bench installation It is delivered completely assembled No provisions are made for bolting ASMi 31 to the tabletop For installation of the unit in a 19 rack refer to Appendix F To complete the installation of ASMi 31 1 Determine the required configuration of the modem according to your application and set the internal jumpers and switches accordingly see and 2 Connect the line see Connecting the Line below 3 Connect the DTE interface see Connecting the DTE below 4 Connect power to the unit see Connecting the Power below Setting the This section provides information on the functions of the internal jumpers Internal Jumpers and switches to help you in the selection of the correct settings for particular application and gives you step by step instructions for performing the internal settings The default settings are also listed 1 Open the ASMi 31 case 2 Set the ASMi 31 internal jumpers and switches referring to Figure 2 1 and Table 2 1 3 Reinstall the ASMi 31 cover 2 2 Installation and Setup Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMi 31 Installation and Operation Manual Chapter 2 Installation and Setup Access to the inside of the equipment is permitted only to the AN authorized and qualified personnel Warning To avoid accidental electric shock always disconnect the interface cables and the pow
4. Circuit Pin Circuit Pin Circuit 7 Function External U SCTE A 113 24 7 A A serial data Transmit W SCTE B 113 11 14 B rate clock input Clock from the data source Positive clock transitions must correspond to data transitions 15 6 S A A transmit data 12 13 S B rate clock for SIGNAL use by an TIMING external data source Positive clock transitions correspond to data transitions Receive Clock 17 X SCR B 115 A receive data V SCR A 115 9 clock output for use by external data sink Positive clock transitions correspond to data transitions Local Analog 18 18 Landj 141 18 LL Loop Note Unassigned pins according to X 21 standard Transmit Clock A control signal input when on commands ASMi 31 into Local Analog Loopback V 54 Loop 3 See Table 2 1 General D 3 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix D DTE Interface Connectors ASMIi 31 Installation and Operation Manual Table D 1 DTE Interface Signal Assignments Cont DB 25 34 pin DB 25 DB 25 DB 15 Description Frame Standalone Standalone Frame Standalone and Frame Signal Function Pin Circuit Pin Circuit Pin Circuit Function Remote 21 21 Nandh 140 21 RL A control signal Loopback input when on commands ASMi 31 to send a remote Loopback command V 54 Loop 2 to the remote ASMi 31 See Table 2 1 Test Indicator 25 25 n and k 142 25 TM A contro
5. IR X 21 side uses the clock signal from the modem link This mode is used mainly when the attached equipment has an IR X 21 interface but no ability to produce clock signals The module has a 16 bit FIFO buffer to compensate for the phase delay introduced by the X 21 device Figure C 5 illustrates the buffer connection and the required application setup When the modem s clock mode is INT or RCV the JP2 jumper must be set to INT RCV see Figure C 3 IR X 21B TXD TXD 2 9 TXC Signal Timing 6 13 MODEM DTE RXC FIFO Buffer RXD Rx RXD 4 11 Figure C 5 INT RCV Mode Timing Block C 4 INT RCV Mode Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Signal Function Protective Ground Signal Ground Transmitted Data Received Data Order from Cutter Networks Appendix D DTE Interface Connectors D 1 General Table D 1 provides detailed information about each DTE interface connector Table D 1 DTE Interface Signal Assignments 34 pin DB 25 DB 25 DB 15 Description Standalone Standalone Frame Standalone and Frame Pin Circuit Function Pin Circuit Pin Circuit A Frame 101 1 Chassis ground SHIELD May be isolated from Signal Ground See Table 2 1 Signal 102 Common Ground Signal and DC power supply ground Serial digital data from DTE TRANSMIT The data transitions must occur on the rising edge of the transmit clock 4 R A Se
6. Instructions for mechanical installation e Instructions for electrical installation After installing the unit refer to Chapter 3 to assure normal operation In case a problem encountered refer to Chapter 4 for test and diagnostic instructions Refer to Chapter 5 for additional information on the ASMi 31 R card version 2 1 Site Requirements and Prerequisites Power AC powered ASMi 31 units should be installed within 1 5m 5 ft of an easily accessible grounded AC outlet The outlet should furnish 115 VAC or 230 VAC DC powered ASMi 31 units require 48 VDC power source which must be adequately isolated from the mains supply e Allow at least 90 cm 36 in of clearance at the front for operating and maintenance accessibility e Allow at least 10 cm 4 in clearance at the rear of the unit for signal lines and interface cables Ambient The ambient operating temperature of ASMi 31 is O to 50 C 32 to 122 F Requirements at relative humidity of 90 non condensing Site Requirements and Prerequisites 2 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 2 Installation and Setup ASMi 31 Installation and Operation Manual 2 2 Package Contents e One ASMi 31 unit protected by adequate cushioning e AC power cord or DC power supply connector kit ASMi 31 Installation and Operation Manual Interface adapter cable s see Table 2 2 Optional 2 3 Installation and Setup ASMi
7. RCV refers to the input signals to the interface module XMT refers to the output signals from the module The IR G 703 interface module is shown in Figure B 2 It has two operation modes which are selectable on the PCB board The selection is made by means of the JP1 jumper located within the module as shown in Figure B 2 The EXT mode is described in EXT Mode below and illustrated by Figure B 3 The INT RCV mode is described in INT RCV Mode below and illustrated by Figure B 4 The IR G 703 interface should be in accordance with the modem clock mode For example if the modem is in the EXT mode then JP1 should be set to the EXT position Terminal Block INT RCV e or RJ 45 Standalone Version EXT Mode XT E o o o o o o o o o 0000000000 Figure B 2 Location of JP1 on the IR G 703 Interface Module B 3 EXT Mode This mode is used in applications where the system timing is provided by the G 703 network The IR G 703 module has an internal buffer to compensate for the phase delay introduced to the system by the line delay between the two modems The buffer is an 8 bit FIFO connected as shown in Figure B 3 This mode corresponds to the modem clock working in the EXT mode Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMi 31 Installation and Operation Manual Appendix B IR G 703 Codirectional Interface 64 kbps Modem A Modem B IR G 703 Module TX Data G 703 Codirectional
8. Set switches according to Table A 2 Table A 2 DIP Switches Settings Description ON Ethernet full duplex mode OFF Ethernet half duplex mode ON Strips padding bits inserted in 64 byte frame OFF Transmits frames over WAN as is ON Passes only frames destined for another LAN OFF Disables LAN filter passes all frames transparently Default Setting OFF ON ON OFF The SQ FD switch is not used in the Ethernet bridge with the BNC connector option Table A 3 lists the IR ETH LED indicators and describes their functions Table A 3 IR ETH Bridge LED Indicators Description ON indicates good link integrity available only in the 10BaseT version ON indicates collision on the attached Ethernet segment ON when data is received from the Ethernet attached segment ON when data is transmitted from the modem to the Ethernet segment Bridge buffer overrun Ph 727 398 5252 Fax 727 397 9610 Location Color Panel Green Panel Yellow Panel Yellow Panel Yellow On board Red Installation and Operation A 5 www bestdatasource com Appendix A Ethernet Interface ASMIi 31 Installation and Operation Manual A 6 Installation and Operation Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Order from Cutter Networks Appendix B IR G 703 Codirectional Interface 64 kbps B 1 Introduction This appendix e Provides a general description of the IR G 703 Codirection
9. and Operation Manual 4 4 Diagnostic Tests Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 5 Card Cage Version This chapter describes the ASMi 31 R card version designed for installation in the ASM MN 214 card cage The chapter contains the following sections e Section 5 1 describes the ASM MN 214 card cage e Section 5 2 describes the ASMi 31 R card version e Section 5 3 describes the power supply to ASMi 31 R e Section 5 4 describes how to install ASMi 31 R 5 1 ASM MN 214 Card Cage The ASM MN 214 card cage contains one or two power supplies and up to 14 plug in cards The card types can be ASMi 31 R or other RAD rack version modems converters any combination of up to 14 plug in cards For each of the 14 cards the rear panel see Figure 5 1 contains a male connector for the terminal block and a DB 25 connector A protection cover protects the terminal block connectors The terminal block see Figure 5 1 is to be attached to the rear panel terminal block connectors It contains screws for connecting the transmit and receive pairs and ground if present The 25 pin D type female interface connector provides all interface signals for the digital interfaces Modems with X 21 or V 35 interface require an external mechanical adapter Two optional interface attachments CIA V 35 1 and CIA X 21 can be ordered separately from RAD CIA X 21 converts two adjacent DB 25 connectors to tw
10. application using an Ethernet interface bridge Each modem is connected to an Ethernet network via the Ethernet Interface bridge Figure A 1 Ethernet Interface Typical Application Description A 1 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix A Ethernet Interface A 2 Order from Cutter Networks ASMIi 31 Installation and Operation Manual A 3 IR ETH Connector Options Figure A 2 and Figure A 3 show the rear panel of ASMi 31 with the IR ETH connector options The IR ETH connector for the ASMi 31 R card rack mount version is shown in Figure A 4 O O 10 BASE T LINK RXe COLLe TXe ie 10BASE 2 RXe COLLe TXe amp 13 RCV 12 RCV 11 XMT 9 XMT 7 GND es aay Nr DB 25 Figure A 4 IR ETH Connector for the ASMi 31 R Modem Card IR ETH Connector Options Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMIi 31 Installation and Operation Manual Appendix A Ethernet Interface General LAN WAN Order from Cutter Networks When using the RJ 45 connector the customer must prepare a mechanical cable for adapting the DB 25 pinout to that of RJ 45 The pinouts of the DB 25 and RJ 45 connectors are given in Table A 1 Table A 1 DB 25 and RJ 45 Pin Assignment for IR ETH Connection Signal Pin DB 25 RJ 45 RCV 13 3 RCV 12 6 XMT 11 1 XMT 9 2 GND 7 A 4 Ethernet Bridge Specifications LAN Table 10 000 addresses Filtering and 15
11. od stati pee Shaan S sail ter aah is tie uate onan aisha ced 2 1 STS aT L TT 2 1 202 Package Comes ss 2 2 A neeese e e a tena oeeuosneptannieeoass 2 2 Sene PENEN UNDE si a a aE EN 2 2 Conmmecine MENE ca cto idad ti 2 6 CHAPTER 3 OPERATION ECON TOS ana NACO SU arta ado cles 3 1 2 Opera see ON ii AA A E E 3 2 TUNE ASMA 3 2 Normal LEDS INACIO ios 3 2 URS eiis O o o n 3 3 CHAPTER 4 TROUBLESHOOTING AND DIAGNOSTICS AAA NOS ELE AA AA A AAA ASADA ADA EA 4 1 Local Analog Loopback ELB horrort reit Ea A mace nae teenies as 4 2 Remote aa RLB nt es dd o 4 3 ASMi 31 Installation and Operation Manual i Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Table of Contents CHAPTER 5 CARD CAGE VERSION eN O E H L Cara CA Be ti iia 5 1 A VEON n a E tats Alani E lena ia nn inemam le iecmiaiands 5 3 BOS a E 5 4 AC SUPPI DO 1150230 VAC benceno opacos E S din 5 4 Pu A T 5 4 Power supp yY WIE IK CCC ANN CY sess esc octets aa oie 5 4 De USE ARIE ASME T T 5 5 APPENDIX A ETHERNET INTERFACE APPENDIX B IR G 703 CODIRECTIONAL INTERFACE 64 KBPS APPENDIX C X 21 INTERFACE MODULE APPENDIX D DTE INTERFACE CONNECTORS APPENDIX E CONNECTING RS 530 TO RS 422 APPENDIX F INSTALLATION IN 19 RACK ji ASMIi 31 Installation and Operation Manual Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Table of Contents List of Figures Figure 1 1 ASMi 31 Working Opposite HS U Card in Meg
12. unconditioned lines The ASMi 31 modem operates in pairs with either another standalone modem or as a card installed in the ASM MN 214 hub A management channel transmitted in band allows remote configuration for the modem real time alerts on failures and diagnostic testing The line data rate is selectable from 1 2 kbps up to 128 kbps and the line encoding is 2B1Q ASMi 31 achieves an operating range up to 8 km 5 miles over 24 AWG wire independent of data rate The ASMi 31 modem is fully compatible with ASM 31 and SRM 31 and works opposite MP 2100 HS U module The ASMi 31 modem features automatic rate detection in external clock mode for tail end applications Control Signal Transfers ASMi 31 supports end to end transfer of two control signals DTR to DSR and RTS to DCD except for the V 35 interface or any other standard that doesn t support this signal such as X 21 G 703 Interfaces ASMi 31 supports the following interfaces V 24 RS 232 V 35 X 21 V 36 RS 449 RS 530 G 703 Codirectional or built in Ethernet bridge Diagnostics ASMi 31 contains two diagnostic loops for complete diagnostics of both local and remote modems e Local analog loopback e Remote digital loopback Both loopbacks are controlled via pins in the DTE interface and are supported by their respective standards 1 2 Overview Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMi 31 Installation and Operation
13. 31 3 1 Controls and Indicators Figure 3 1 illustrates the ASMi 31 standalone modem front panel Table 3 1 lists the functions of the controls and indicators Note Type Button Green LED Yellow LED Yellow LED Yellow LED Figure 3 1 ASMi 31 Front Panel In ASMi 31 modem X 21 RTS LED is equivalent to Control signal C and DCD LED is equivalent to Indication signal 1 Table 3 1 Front Panel Controls and Indicators ITU Circuit Function This switch resets the unit it is used in place of a power switch It is not needed for normal operation On when ASMi 31 is powered up 105 On when the DTE has emitted an active Request to Send signal or Control in X 21 103 On when a steady space is being transmitted Blinks when data is transmitted 104 On when a steady space is being received Blinks when data is received Controls and Indicators 3 1 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 3 Operation Name Type DCD Yellow LED LOS Red LED ERR Red LED TEST Red LED Turning ASMI 31 ASMi 31 Installation and Operation Manual Table 3 1 Front Panel Controls and Indicators Cont ITU Circuit Function 109 On when the local and remote modems are in sync and the section 6 of the internal SW6 switch is set to ON On when the local and remote modems are in sync and the section 6 of the internal SW6 switch is set to OFF and the RTS at the remote modem is ON On when loss of
14. 398 5252 Fax 727 397 9610 www bestdatasource com ASMIi 31 Installation and Operation Manual Chapter 5 Card Cage Version 5 4 Installing ASMi 31 R gt To install the ASMi 31 R card in the ASM MN 214 card cage 1 2 Install the ASM MN 214 card cage in the 19 rack Adjust the jumpers and switches on the card as required see Figure 2 1 and Table 2 1 in Chapter 2 Insert the ASMi 31 R card into one of the ASM MN 214 slots Push the bottom of the card into the cage to until it is fully inserted into the edge connector inside the rack Tighten the screws on the top and on the bottom of each card Remove the protection cover from the terminal block connectors Connect the terminal block to the ASM MN 214 terminal block connector Connect the line to the terminal block as follows connect transmit pair to the terminals marked XMT the receive pair to the terminals marked RCV and the fifth screw to ground optional If required attach the appropriate CIA CIA X 21 or CIA V 35 1 or V 36 adapter cable to the DB 25 connector on the card cage rear panel Connect the DTE cable to the DB 25 connector other side of CIA or adapter cable depending on your version of the card interface Connect power to the ASM MN 214 card cage e To connect AC power connect the power cable to the mains supply e To connect DC power refer to DC Power Supply Connection Supplement of the ASM MN 214 manual The ASM MN 214 card cage has no powe
15. 52 Fax 727 397 9610 www bestdatasource com ASMIi 31 Installation and Operation Manual Appendix F Installation in 19 Rack Figure F 3 Fastening Two Units Together Installation of the ASMi 31 Unit in 19 Rack F 4 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Order from Cutter Networks
16. 64 kbps network Clock Recovery RX Data Timing Source EXT Clock Mode RCV Clock Mode Figure B 3 IR G 703 EXT Mode Timing Block B 4 INT RCV Mode This mode is used in applications where the G 703 Codirectional 64 kbps equipment connected to the modem recovers the clock signal from the modem link This mode is used mainly when the attached equipment has a G 703 Codirectional interface but is not able to produce clock signals The module has a 8 bit FIFO buffer to compensate for the phase delay introduced by the G 703 device Figure B 4 illustrates the buffer connection and the required application setup This mode corresponds to the modem clock working in the INT or RCV mode Modem A Modem B INT or RCV EXT INT or RCV Clock Mode Clock Mode Depending on the attached network INT RCV Clock Mode Figure B 4 IR G 703 INT RCV Mode Timing Block INT RCV Mode B 3 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix B IR G 703 Codirectional Interface 64 kbps ASMIi 31 Installation and Operation Manual B 4 INT RCV Mode Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Order from Cutter Networks Appendix C X 21 Interface Module C 1 General IR X 21 is an interface module for RAD modems converting X 21 signals to TTL levels The converted data is sent over the modem link using the modem modulation technique
17. A 6 A 7 A 8 GND 9 B 10 B 11 B 12 B 13 B 14 B 15 Ph 727 398 5252 Fax 727 397 9610 Table C 1 shows the X 21 DB 15 pin assignment Table C 1 IR X 21 DB 15 RS 422 Connector Pin Assignment Function Chassis connection Transmit signal A Control A Receive A Indication A Signal timing A External Timing Common Transmit B Control B Receive B Indication B Signal Timing B External Timing Not connected www bestdatasource com ASMi 31 Installation and Operation Manual Appendix C X 21 Interface Module INT RCV clock setting EXT clock setting Connector DB 15 Figure C 3 Location of Jumper JP2 in the IR X 21 Interface Module C 3 EXT Mode This mode is used in applications of X 21 networks where the system timing is provided by the X 21 network The IR X 21 module has an internal buffer to compensate for the phase delay introduced to the system by the line delay between the two modems The buffer is a 16 bit FIFO connected as shown in Figure C 4 When the modem s clock mode is EXT the JP2 jumper must be set to EXT see Figure C 3 EXT Mode C 3 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix C X 21 Interface Module ASMi 31 Installation and Operation Manual IR X 21B TXD TXD lt q 2 9 ETC Signal Timing 6 13 MODEM DTE RXC ETC 7 14 RXD RXD 4 11 Figure C 4 EXT Mode Timing Block C 4 INT RCV Mode This mode is used in applications where the
18. ASMiI 3 1 Short Range Modem Installation and Operation Manual Notice This manual contains information that is proprietary to RAD Data Communications No part of this publication may be reproduced in any form whatsoever without prior written approval by RAD Data Communications No representation or warranties for fitness for any purpose other than what is specifically mentioned in this manual is made either by RAD Data Communications or its agents For further information contact RAD Data Communications at the address below or contact your local distributor RAD Data Communications US West 3631 South Harbor Boulevard RAD Data Communications US East 900 Corporate Drive RAD Data Communications Headquarters 12 Hanechoshet Street Tel Aviv 69710 Israel Tel 972 3 6458181 Fax 972 3 6498250 E mail rad rad co il Order from Cutter Networks Mahwah NJ 07430 USA Tel 201 529 1100 Fax 201 529 5777 E mail market radusa com 2000 RAD Data Communications Ph 727 398 5252 Fax 727 397 9610 Suite 250 Santa Ana CA 92704 Tel 714 850 0555 Fax 714 850 1555 Publication No 646 200 03 00 www bestdatasource com Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Warranty This RAD product is warranted against defects in material and workmanship for a period of one year from date of shipment During the warranty period RAD will at its option either repair or replac
19. Manual Chapter 1 Introduction General Order from Cutter Networks 1 2 Physical Description ASMi 31 is available as a standalone desktop unit or as a card for the ASM MN 214 hub Figure 1 2 shows the 3D view of the ASMi 31 standalone unit Figure 1 2 ASMIi 31 Standalone Unit The front panel includes eight LEDs which display the status of power data flow control signals and diagnostics For detailed description of the front panel see Chapter 3 Operation The back panel includes an power connector with fuse an interface connector and a terminal block with a ground connection for connecting the telephone lines The ASMi 31 rear panel is described in greater detail in Chapter 2 Installation and Setup The internal switches and jumpers can be configured to support a variety of modes for operating the modem Refer to Setting the Internal Jumpers in Chapter 2 for details on jumper location and setting 1 3 Functional Description The ASMi 31 standalone modem is managed by a master ASMi 31C modem card mounted on a LRS 12 or LRS 24 hub The management channel which is transmitted in band allows remote configuration real time alerts on system failure diagnostic testing and the production of statistical information on system performance Functional Description 1 3 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 1 Introduction Remote Management Data Transmission Special Management Configurat
20. RS 232 V 35 RS 530 or X 21 G 703 Codirectional 64 kbps Ethernet 10BT Ethernet 10B2 BNC 1 2 kbps to 128 kbps e V 24 25 pin D type female e V 35 34 pin female e V 36 37 pin D type female via supplied cable adapter e X 21 15 pin D type female e RS 530 25 pin D type female e G 703 TB Terminal Block e G 703 RJ RJ 45 female e Ethernet 10BaseT RJ 45 conforms to IEEE 802 3 e Ethernet 10Base2 BNC Technical Specifications 1 5 www bestdatasource com Chapter 1 Introduction Clock Source Control Signals Diagnostics Indicators Power Master Clock Slave Clock Loopback Tests PWR green RTS yellow TD yellow RD yellow DCD yellow LOS red ERR red TEST red AC Voltage Frequency DC Voltage Power Fuses 1 6 Technical Specifications Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 ASMIi 31 Installation and Operation Manual Internal clock The master clock uses its own internal crystal when transmitting or receiving data from the DTE interface and from the line External clock The master clock uses the clock derived from the digital interface to receive data from the DTE and for transmitting data to the line If the digital interface is X 21 the same clock is used to transmit and receive data Loopback timing The clock is recovered from the line signal and used to transmit and receive data from the DTE inter
21. al interface 64 kbps e Describes the EXT mode for the IR G 703 Codirectional interface 64 kbps e Describes the INT RCV mode for the IR G 703 Codirectional interface 64 kbps B 2 General Description The IR G 703 is an interface module for RAD modems converting G 703 Codirectional signals to TTL levels The converted data is sent over the modem link using the modem modulation technique and converted back at the other end into G 703 64 kbps Codirectional signals or into any other digital interface signal possible The module is available in the following two versions e The Standalone version fits into a standalone modem and is available with two types of physical connections a terminal block or an RJ 45 e The Rack version is mounted on the rack version modem card and uses the modem edge connector for communication The edge connector is wired on the motherboard of the card cage to the DB 25 connector on the back plane of the ASM MN 214 card cage Figure B 1 illustrates the pinout of the different connectors General Description B 1 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix B IR G 703 Codirectional Interface 64 kbps ASMi 31 Installation and Operation Manual 9 11 RCV RCV 3 6 2 16 XMT 7 GND S S qe A e Terminal Block RJ 45 DB 25 Standalone Standalone Rack Version B 2 Order from Cutter Networks Note Note Figure B 1 IR G 703 Connector Options In Figure B 1
22. aplex 2100 occccccnconooconcncccconinacannnnnnos 1 2 PEU 122 ASMA Stand alone Eo ateo 1 3 PICU 2 ASI RED EA VOUL at iaa 2 4 Figure 2 2 ASM 1 Rear Palais 2 6 Figtire 2 3 CONMECIING tne LING E annee iii cial 2e Heare 2 4 Connecting ne Line Step lenne n a E E EA NENE Zi Keue 24 gt lt CORMEGING ne IMGs a E 257 FEEST ASME o 1 Front T li sisscteta ceivaaudeaseaectehal ogee dagtlsevseagapees due nie teateavana santana aes 3 1 Fisting Al Local Andog WOO DD AC Kerzer iiia tedgae 4 2 Figure 4 2 Remote Dieta OG ACK hess aiaiea ic 4 3 Figure IE ASMMN2 4 Rear Pana ide 5 2 PEUS Z ASME IR RONE PaNNa anre E E paca late scesapecenaecaatatae ts 5 3 Figure 53 ASMeMRNE2 FA Front RNE letine a ata 5 4 ASMi 31 Installation and Operation Manual iii Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com List of Tables List of Tables Table 2 1 ASMi 31 Internal Jumpers and SWICNES nto 2 4 Table 2 2 DTE Interfaces and Matching Adapter Cables sse 2 7 Table H Local Control Functions Via RH sxacatccrouss ates tiacencnaces cacestd hint noes euauashsguatantoiatsenieusygyaceres 3 2 Table 3 2 ASMi 31 Controls and Indicators Normal Operation sss sese eee eee 3 2 IV ASMIi 31 Installation and Operation Manual Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 1 Introduction This chapter describes basic physical and functional features of the ASMi 31 standalone modem as well
23. as some typical applications It discusses the following topics e An overview of the modem e Physical description e Functional description e Technical specifications 1 1 Overview General The ASMi 31 modem is a synchronous asynchronous short range modem which is managed by a remote master modem ASMi 31 operates synchronously or asynchronously at full duplex over 2 wire twisted pair unconditioned lines The ASMi 31 modem has a transmission range of 8 km 5 miles over 24 AWG wire and operates at user selectable data rates from 1 2 kbps to 128 kbps Versions ASMi 31 is available in several versions e ASMi 31 standalone the standalone slave unit features a blank panel e ASMi 31 R a plug in card which may be installed in the ASM MN 214 hub e ASMi 31C a plug in card which may be installed in the LRS 12 or LRS 24 hub see ASMi 31C Installation and Operation Manual for details Power Supply Versions The power supply options are e AC power source 115 VAC or 230 VAC e DC power source 48 VDC Overview 1 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 1 Introduction ASMi 31 Installation and Operation Manual Application Figure 1 1 illustrates the ASMi 31 application TD Backbone MP 2100 Figure 1 1 ASMi 31 Working Opposite HS U Card in Megaplex 2100 Features The ASMi 31 short range modem supports full duplex transmission over 2 wire twisted pair
24. djust the jumpers see Chapter 2 Installation and Setup Note Make sure that there is only one clock source in the application Select one modem as INT or EXT and the second modem as RCV 4 Close the case of the units 5 Connect the units to the DTEs 6 Power up the units 7 Connect the units to the line The units should operate properly after a few seconds 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Quick Start Guide ASMIi 31 Installation and Operation Manual Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Contents CHAPTER 1 INTRODUCTION TANCIA tadas 1 1 E En o A 1 1 O 1 1 APPICAUON POCA Po POCO TER ON 1 2 FOME 1 2 en tel A e ear lara TE ets heh Sha retusa 1 3 3 Funcional ESCO Orta 1 3 ET T PTT 1 3 Remote Mana eme ia 1 4 Data Trans ridad tds 1 4 Master Save COM ed 1 4 Special Management COMMBURAUONS As 1 4 Diagnosis HI E H lie ci 1 4 Ovenoad rote clon rt aos dale cotas a o Re la daieeo 1 5 TA Technical Tee Le ins 1 5 Line L a aii till os 1 5 Pre reals terrace st oa oe eS 1 5 CEKSON tuerca att a a e e R pla de 1 6 Control Sinaloa 1 6 Pia pie ita is 1 6 DOON eaa EEE T 1 6 SS id taatean aa aeareuedast ee dae eee uecaean ee 1 6 SVT tense neal at aan ort re oe reat acta Mines Ma eee cea ea pag Mee nea Sia tes 1 7 EOI Esa ect E 1 CHAPTER 2 INSTALLATION AND SETUP E Site Requirements ana Prere quistes aras 2 1 A Tacit aaa tates
25. e products which prove to be defective For warranty service or repair this product must be returned to a service facility designated by RAD Buyer shall prepay shipping charges to RAD and RAD shall pay shipping charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to RAD from another country Limitation of Warranty The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied firmware or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance Exclusive Remedies The remedies provided herein are the Buyer s sole and exclusive remedies RAD shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any legal theory Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Safety Warnings The exclamation point within a triangle is intended to warn the operator or service personnel of operation and maintenance factors relating to the product and its operating environment which could pose a safety hazard Always observe standard safety precautions during installation operation and maintenance of this product Only a qualified and authorized service personnel should carry out adjustment maintenance or repai
26. e com Appendix F Installation in 19 Rack F 1 Installation of the ASMIi 31 Unit in 19 Rack General The height of the unit is 1U 1 75 the width of the unit is slightly less than half the available mounting width A rack adapter kit RM 9 is available for installing either a single unit or two units side by side in the 19 rack Disconnect the power before performing the procedures below Installation operation and maintenance of this unit should only be performed by an experienced technician Warning Installation of a Rack adapter components for installing a single unit include one short Single Unit bracket and one long bracket gt To install a single unit 1 Fasten each bracket to the side walls of the unit by two screws which are inserted into the two front holes on the side wall The unit is supplied with nuts already in place on the inner side wall Note that the short bracket fastens to the left side of the unit and the long bracket to the right side of the unit see Figure F 1 Once the brackets are fastened to the side walls the unit is ready for installation in the 19 rack 2 Place the unit in the rack and fasten the brackets to the side rails of the rack using two screws on each side not included in the kit Installation of the ASMi 31 Unit in 19 Rack F 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix F Installation in 19 Rack ASMi 31 Installation a
27. e measures Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Declaration of Conformity Manufacturer s Name RAD Data Communications Ltd Manufacturer s Address 12 Hanechoshet St Tel Aviv 69710 Israel declares that the product Product Name ASMi 31 S Conforms to the following standard s or other normative document s EMC EN 55022 1994 Limits and methods of measurement of radio disturbance characteristics of information technology equipment EN 50082 1 1992 Electromagnetic compatibility Generic immunity standards for residential commercial and light industry Safety EN 60950 1992 93 Safety of information technology equipment including electrical business equipment Supplementary Information The product herewith complies with the requirements of the EMC Directive 89 336 EEC and the Low Voltage Directive 73 23 EEC The product was tested in a typical configuration Tel Aviv September 7th 1997 Loni Haim Karshen VP Quality European Contact RAD Data Communications GmbH Lyoner Strasse 14 60528 Frankfurt am Main Germany Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Quick Start Guide If you are familiar with ASMi 31 use this quick start guide to prepare the unit for operation Perform the following steps for both the local and the remote units 1 Disconnect all cables from the units 2 Open the case of the units 3 A
28. ector is a terminal block RJ 45 connector Connect the transmission line twisted pair to the two clips marked LINE and the cable shield to the clip marked GND optional High rate data communication twisted pair cable is highly recommended in order to prevent crosstalk Before connecting the cables make sure that the equipment is earthed by its power cable Caution Insert the GND lead first 2 6 Installation and Setup Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMi 31 Installation and Operation Manual Chapter 2 Installation and Setup gt To connect the line 1 Insert the screwdriver into a square hole see Figure 2 3 Figure 2 3 Connecting the Line Step 1 2 Raise the inserted screwdriver putting pressure on the ramp within the square hole see Figure 2 4 Figure 2 4 Connecting the Line Step 2 3 Insert the stripped end of the wire and remove the screwdriver see Figure 2 5 Figure 2 5 Connecting the Line Step 3 Connecting the DTE The rear panel DTE connector provides interface for data input output clock reference and control signal exchange between ASMi 31 and the DTE The DTE interface is changeable module with the interface connector The DTE is connected to ASMi 31 via adapter cables depending on the interface type see Table 2 2 to select the correct cable for your DTE interface Table 2 2 DTE Interfaces and Matching Adapter Cables DTE Int
29. er cord before removing the unit from its casing Line voltages are present inside ASMi 31 when it is connected to power and or the lines Moreover under certain fault conditions dangerous voltages may appear on the lines connected to the unit Any adjustment maintenance and repair of the opened instrument under voltage must be avoided as much as possible and when inevitable should be carried out only by a skilled technician who is aware of the hazard involved Capacitors inside the unit may still be charged even after the unit has been disconnected from its source of power ASMi 31 contains components sensitive to electrostatic discharge ESD To prevent ESD damage avoid touching the internal components and before moving jumpers touch the ASMi 31 frame Caution Opening the ASMi 31 Case To reach the internal jumpers and switches of ASMi 31 it is necessary to open its case gt To open the ASMi 31 case 1 Disconnect all the cables connected to ASMi 31 2 Turn the unit over bottom facing up 3 Unscrew the four cover screws 4 Turn the unit over bottom facing down 5 After the four screws released remove the ASMi 31 top cover by pulling it straight up Setting the Internal Jumpers and Switches The internal jumpers and switches located on the ASMi 31 printed circuit board PCB are identified in Baud rates not applicable Figure 2 1 Their numbers under heading Item in Table 2 1 correspond to the identificatio
30. erface Connector Description RAD Cable V 24 RS 232 25 pin D type female CBL HBT V24 V 35 34 pin female CBL HBT V35 X 21 15 pin female CBL HBT X21 Installation and Setup 2 7 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 2 Installation and Setup ASMIi 31 Installation and Operation Manual Table 2 2 DTE Interfaces and Matching Adapter Cables Cont DTE Interface Connector Description RAD Cable RS 530 RS 449 25 pin D type connector For a description of the CBL HBT RS 530 cabling connection between the RS 530 interface and the RS 449 RS 442 V 36 37 pin D type connector see Appendix E The cable is provided with the product G 703 Codirectional 64 kbps interface For a description of the G 703 see Appendix B Ethernet Interface RJ 45 or BNC connector For a description of the Ethernet interface see Appendix A Connecting the Power The AC power is supplied to the ASMi 31 unit through the 1 5m 5 ft standard power cable terminated in a standard 3 prong plug see Figure 2 2 The cable is provided with the unit The rated fuse for the unit is 250V 0 1A slow blow for 230V or 250V 0 2A slow blow for 115V The unit has no power switch Operation starts when the power is applied to the rear panel POWER connector Warning Before switching on this instrument the protective earth terminals of this instrument must be connected to the protective ground conductor of the powe
31. ers are set The ASMi 31 unit has a blank panel to prevent unauthorized operation at the customer premises The local diagnostics are as follows e Remote Digital Loopback REM activated by pin in DTE interface and supported by respective standard e Analog Loopback Local ANA defined by the standard as LLB activated by pin in DTE interface and supported by the respective standard The ASMi 31 loopbacks do not operate with the X 21 and G 703 Codirectional because they are not supported by these standards The ASMi 31 modem is coupled to the line through an isolation transformer which protects against AC or DC overvoltages The protection circuitry permits operation even when DC is connected to the line 1 4 Functional Description Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMi 31 Installation and Operation Manual Chapter 1 Introduction 1 4 Technical Specifications Line Interface Type Line Coding Range Level Connector Type Standard Digital Interface Types DTE Data Rates Connectors Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 2 wire full duplex unconditioned telephone line twisted pair using echo cancellation 2B1Q Up to 8 km 5 miles over a 24 AWG wire independent of data rate Up to 14 dBm assuming a 135Q load 3 clip terminal block and RJ 45 connector Complies with ANSI T1 601 1988 specifications ITU V 24
32. face to the line Jumper selectable e RTS to DCD e DIR to DSR Remote Digital Loopback REM activated by pin in DTE interface supported by the appropriate standard Analog Loopback Local ANA defined by the standard as LLB activated by pin in DTE interface supported by the appropriate standard Power Request To Send Circuit 105 Transmit Data Circuit 103 Receive Data Circuit 104 Data Carrier Detect Circuit 109 Loss of signal Error is detected in received configuration information A test is active 115 VAC or 230 VAC 10 5W 50 or 60 Hz 47 to 63 Hz 48 VDC 36 to 72 VDC 0 1A slow blow for 230V www bestdatasource com ASMi 31 Installation and Operation Manual Physical Environment Order from Cutter Networks Height Width Depth Weight Temperature Humidity Chapter 1 Introduction 0 2A slow blow for 115V 44cm 1 7 in 19 3 cm 7 6 in 24 3 cm 9 6 in 1 5kg 3 3 lb 0 50 C 32 122 F Up to 90 non condensing Ph 727 398 5252 Fax 727 397 9610 Technical Specifications 1 7 www bestdatasource com Chapter 1 Introduction ASMi 31 Installation and Operation Manual 1 8 Technical Specifications Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 2 Installation and Setup This chapter provides the following information for the ASMi 31 standalone model e Site requirements and prerequisites e Package contents e
33. ion 5 Section 6 Note The DCD signal is OFF when a digital loopback is active receiving RLB command or when there is no Table 2 1 ASMi 31 Internal Jumpers and Switches Cont Description Controls the local loopback activation from the DTE Controls the ASMi 31 timing reference Selects the data rate Chapter 2 Installation and Setup Values DIS The LLB activation from the DTE is disabled EN The LLB activation from the DTE is enabled Default Setting DIS LBT Loopback timing clock is LBT recovered from the data at the line side INT Internal clock EXT External clock 1 1 2 kbps sync async 2 2 4 kbps sync async 3 4 8 kbps sync async 4 9 6 kbps sync async 5 19 2 kbps sync async 6 38 4 kbps sync async 7 48 kbps sync 9 64 kbps sync A 128 kbps sync E 16 kbps sync F 32 kbps sync DIP switch which consists of eight section Controls the ASMi 31 operation ON Async operation mode synchronous or asynchronous Defines the number of data bits to be used Controls the use of parity Defines the parity type Defines the number of stop bits Controls the RTS to DCD transfer synchronization between the units Order from Cutter Networks OFF Sync operation ON 8 bits OFF 7 bits ON Parity enabled OFF Parity disabled ON Even parity OFF Odd parity ON One stop bit OFF Two stop bit
34. ions Diagnostic Capabilities Note Overload Protection ASMi 31 Installation and Operation Manual The ASMi 31 standalone modem is very conveniently managed from the master station by means of RADview a RAD SNMP application This user friendly graphical user interface manages the ASMi 31C modem cards installed in the LRS 12 or LRS 24 hub and through them the ASMi 31 standalone units Both data and management are transmitted inband over the same line simultaneously without interference Full duplex operation over 2 wires is achieved using the adaptive echo canceling technique The ASMi 31 modem uses 2B1Q line coding to achieve the range of 8 km 5 miles for all data rates This coding provides immunity to background noise eliminates normal line distortion and permits efficient transmission over 2 wire twisted cables An adaptive equalizer provides noise immunity and high performance over low quality lines The ASMi 31 standalone modem unit has internal jumpers which allow for special management configurations such as point to point applications without ASMi 31C modem cards in the LRS 12 or LRS 24 hub and also on site diagnostics testing In addition to the remote diagnostic capability the ASMi 31 standalone modem provides diagnostic capabilities which can be executed locally These include the Digital Loopback RLB and Analog Loopback LLB diagnostics they are executed via the DTE interface after the appropriate jump
35. l signal output from ASMi 31 positive during any test mode D 4 General Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix E Connecting RS 530 to RS 422 Table E 1 Connecting RS 530 to RS 422 Signal Function RS 449 RS 422 423 RS 530 37 pin DB 25 Female Standalone Card Pin Circuit Cage Pin Circuit protective Ground Shield ii E DTE Common Return PP PA A DCE Common Return w PO i Transmitted Data 4 SD A 7 BA A 22 SD B 14 BA B Received Data 6 RD A 3 BB A 24 RD B 16 BB B Request to Send 7 RS A 4 CA A 25 RS B 19 CA B Clear to Send 9 CS A 5 CB A 27 CS B 13 CB B Data Set Ready 11 DM A 6 CC A 29 DM B 22 CC B Carrier Detect 13 RR A 8 CF A 31 RR B 10 CF B External Transmit Es TT A 24 DA A Clock 35 TT B 11 DA B E 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix E Connecting RS 530 to RS 422 ASMIi 31 Installation and Operation Manual Table E 1 Connecting RS 530 to RS 422 Cont Signal Function RS 449 RS 422 423 RS 530 37 pin DB 25 Female Standalone Card Pin Circuit Cage Circuit Pin Transmit Clock 5 ST A 15 DB A From DCE eS T B 12 DB B Receive Clock 8 T A From DCE 26 RT B 9 Ln gt ES gt L Remote Loopback 14 Test Indicator 8 LL RL TM E 2 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasourc
36. low in order ASMi 31 supports two types of loopback tests for evaluating the operation of the data system equipment and line circuits Using these loopbacks you can test the communication between the attached equipment internal circuitry of the local ASMi 31 and the remote ASMi 31 Diagnostic Tests 4 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 4 Tests and Diagnostics ASMi 31 Installation and Operation Manual Local Analog The Local Analog Loopback LLB test checks the performance of the local Loopback LLB ASMi 31 the local DTE and the connections between them see Figure 4 1 Perform the test separately at the local and the remote site Transmit Line Interface bara Receive Figure 4 1 Local Analog Loopback To perform the Local Analog Loopback test 6 Activate the test via the DTE interface analog loopback The TEST LED lights up The ASMi 31 modem transmit output is connected to the receiver circuits internally at the line side If a fault is indicated call a technician or replace the unit Set the DTE equipment in half duplex which produces an echo through the system It is recommended that you repeat the LLB test using an external Bit Error Rate Tester BERT Perform the test at both ends If the BERT equipment test indicates no faults but the data terminal indicates a fault follow the DTE manufacturer s test procedures Also check the intercon
37. n Manual 5 3 Power Supply Power is supplied to the ASMi 31 R card from the ASM MN 214 power supply via the chassis Each ASMi 31 R card has two fuses which protect the entire system against power failure resulting from a short circuit in one card The ASM MN 214 card cage can accept both AC or DC power supplies LED indicators located on the ASM MN 214 front panel see Figure 5 3 show activity when the power supply is connected to the mains plug The power supply supports the full card cage with any combination of cards AC Supply 100 The AC power supply of the ASM MN 214 is 100 115 or 230 VAC 10 115 or 230 VAC 47 to 63 Hz DC Supply The DC power supply is 48 VDC 36 to 72 VDC It uses a DC DC 48 VDC converter module to provide the power required for the cards Power Supply This special ordering option is equipped with two separate power supplies with Redundancy Operating together and sharing the load of the whole card cage If either of the power supplies fails the other one will continue to supply power to the full card cage Two LED indicators show activity of each power supply They should both light when mains power is provided Note jt is possible to combine AC and DC power supplies in the same cage Figure 5 3 ASM MN 214 Front Panel 5 4 Installing ASMi 31 R Order from Cutter Networks Ph 727
38. n numbers shown in Table 2 1 Installation and Setup 2 3 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Order from Cutter Networks Chapter 2 Installation and Setup ASMi 31 Installation and Operation Manual CHASS GND CON DIS Be oO l gt POS BAUD 12 8 4 63 E 1 2 3 4 5 6 T 8 9 A B Cc D E F SW6 Baud rates not applicable 6 Figure 2 1 ASMIi 31 PCB Layout Table 2 1 ASMi 31 Internal Jumpers and Switches Item Jumper Description 1 RLB JP14 Controls the remote loopback activation from the DTE Controls the connection between the ASMi 31 signal ground and the frame chassis ground 2 CHASS GND JP18 Values Default Setting DIS The RLB activation from nie the DTE is disabled EN The RLB activation from the DTE is enabled CON Signal ground is connected to the frame ground DIS Signal ground is disconnected from the frame ground CON Note Disconnecting the signal ground from the frame ground may render the unit unsafe for connection to unprotected telecommunication networks in some locations 2 4 Installation and Setup Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMi 31 Installation and Operation Manual Item Jumper 3 LLB JP15 4 CLOCK 5 SW7 5 SW6 Section 1 Section 2 Section 3 Section 4 Sect
39. nd Operation Manual Figure F 1 Installation of a Single Unit Installation of Two Rack adapter components for installing two units include two long side rails Units one for each unit which slide one into the other fastening the two units together and two short side brackets which hold the two units in the 19 rack see Figure F 2 F 2 Installation of the ASMi 31 Unit in 19 Rack Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMi 31 Installation and Operation Manual Appendix F Installation in 19 Rack Figure F 2 Installation of Two Units gt To install two units 1 Fasten one long side rail to each unit right side to one unit left side to the other unit using the four screws supplied The side rails must be attached in opposing fashion the narrow flange of the first rail opposite the wide flange of the second rail 2 Attach one short bracket opposite the side rail on each unit using the four screws supplied 3 Slide the side rail of one unit into the side rail of the other unit fastening the two units together see Figure F 3 4 Secure the supplied plastic caps to the ends of the rails to prevent the units moving and to protect the rail ends The assembled units can now be fastened to the side rails of the 19 rack by means of four screws to each side not included in the kit Installation of the ASMi 31 Unit in 19 Rack F 3 Order from Cutter Networks Ph 727 398 52
40. ndicators are not obtained following initial power up make sure that e One modem is set to internal or external clock and the other to LBT clock e None of the modems are in test mode Turning ASMi 31 To turn off ASMi 31 simply remove the power cord from the power source Off Operating Instructions 3 3 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 3 Operation ASMi 31 Installation and Operation Manual 3 4 Operating Instructions Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 4 Troubleshooting and Diagnostics This chapter describes how to perform diagnostics tests on ASMi 31 The function of diagnostic tests on ASMi 31 is to e Check that the system is operating normally e Isolate faulty equipment or cables e Identify other sources of system malfunction Tests are activated via the corresponding DTE pins and monitored via the ASMi 31 front panel LED indicators 4 1 Diagnostic Tests The diagnostic capabilities of the ASMi 31 modem allow rapid checkout of the DTEs the ASMi 31 modem and connecting lines The test will immediately verify the operational performance of each unit in the system or provide an indication of equipment failure Before testing the operation of the data system equipment and 2 wire line circuits first ensure that all units are powered on and configured normally then perform the test steps described be
41. necting cable interfacing between the terminal and the ASMi 31 modem After completing the test or when the fault has been corrected deactivate the LLB via the DTE interface and proceed to the Remote Loopback Communication Link Test 4 2 Diagnostic Tests Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMi 31 Installation and Operation Manual Chapter 4 Tests and Diagnostics Remote Loopback This test determines the performance of both the local and the remote RLB ASMi 31 modems as well their connecting 2 wire line between them The test activates a diagnostic loopback at the remote ASMi 31 modem see Figure 4 2 Transmit Receive Interface Interface Fj Local ASMi 31 Remote ASMi 31 Figure 4 2 Remote Digital Loopback To activate the Remote Digital Loopback e Activate the Remote Loopback via the DTE interface The TEST LED lights on both units Set the DTE equipment in half duplex which produces an echo through the system or run a Bit Error Rate test Perform the test at both ends If the BER test indicates a fault and if the LLB test was successful for both local and remote modems then the 2 wire line circuits inside the modem are not operating properly or the line connection between the modems is faulty Diagnostic Tests 4 3 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 4 Tests and Diagnostics ASMi 31 Installation
42. o X 21 15 pin connectors CIA V 35 1 converts one DB 25 connector to a V 35 34 pin connector V 36 modem cards are supplied with a RAD adapter cable CBL 530 449F which converts the DB 25 connector to a V 36 37 pin connector The adapter cable and two interface attachments are also shown in Figure 5 1 ASM MN 214 Card Cage 5 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 5 Card Cage Version ASMi 31 Installation and Operation Manual Q A e al A a 9 Terminal Block T Terminal oe ee Block Doncs vR Y os LRR dE DARAN CIA V 35 1 Protection Cover CBL 530 449 Figure 5 1 ASM MN 214 Rear Panel 5 2 ASMiI 31 R Card Version Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMi 31 Installation and Operation Manual Chapter 5 Card Cage Version 5 2 ASMi 31 R Card Version Figure 5 2 shows the ASMi 31 R card front panel The LEDs and switches of the card version are identical in their functionality to those of the standalone device For this information refer to Section 3 1 Controls and Indicators in Chapter 3 The jumper settings are the same as with ASMi 31 standalone version refer to Table 2 1 O ASMi 31 Figure 5 2 ASMi 31 R Front Panel Power Supply 5 3 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 5 Card Cage Version ASMi 31 Installation and Operatio
43. r cord The power plug shall only be inserted in a power outlet provided with a protective earth contact The protective action must not be negated by use of an extension cord power cable without a protective conductor grounding Make sure that only fuses with the required rated current as marked on the ASMi 31 rear panel are used for replacement The use of repaired fuses and the short circuiting of the fuse holders is forbidden Whenever it is likely that the protection offered by fuses has been impaired the instrument must be made inoperative and be secured against any unintended operation To connect AC power to ASMI 31 1 Connect the power cable to the connector on the ASMi 31 rear panel 2 Connect the power cable to the mains outlet The unit will be turned on automatically upon connection to the mains To connect DC power to ASMi 31 e Refer to DC Power Connection Supplement 2 8 Installation and Setup Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Name RESET PWR RTS TD RD Order from Cutter Networks Chapter 3 Operation This chapter provides the following information for the ASMi 31 standalone modem e ASMi 31 front panel indicators and controls e Operating procedures turn on front panel indications performance monitoring and turn off Installation procedures given in Chapter 2 must be completed and checked before attempting to operate ASMi
44. r switch Operation starts when the power is applied to the rear panel POWER connector When Warning applying power first connect the plug of the power cord to the ASM MN 214 POWER connector and then to the mains power source outlet Order from Cutter Networks Installing ASMi 31 R 5 5 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 5 Card Cage Version ASMi 31 Installation and Operation Manual 5 6 Installing ASMi 31 R Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Order from Cutter Networks Appendix A Ethernet Interface A 1 General This appendix e Describes the IR ETH for RAD modems e Describes the different IR ETH connector options e Lists the Ethernet bridge specifications e Explains how to install and operate an Ethernet bridge A 2 Description The IR ETH is an interface module for RAD modems used for converting the Ethernet 10BaseT or 10Base2 electrical levels to the modem TTL levels It also converts the Ethernet protocol to HDLC to enable long distance transmission and avoid the Ethernet collision limitation The IR ETH includes an internal self learning Ethernet bridge which enables a high performance link between two Ethernet segments at a low transmission rate The low speed HDLC transmission is sent over the link using the modem modulation technique It is converted back to an Ethernet signal at the remote modem Figure A 1 shows a typical
45. rial digital 11 R B data at the RECEIVE output of the modem receiver The data transitions occur on the rising edge of the receive clock General D 1 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix D DTE Interface Connectors ASMIi 31 Installation and Operation Manual Table D 1 DTE Interface Signal Assignments Cont Signal 34 pin DB 25 DB 15 Description Function Standalone Standalone Standalone and Frame Pin Circuit Pin Circuit Pin Circuit Function Request to A positive level Send to ASMi 31 CONTROL when data transmission is desired A positive level from ASMi 31 with delay after receipt of Request to Send and when ASMi 31 is ready to transmit E Data Set E DSR 107 Ready Data Terminal 20 20 H DTR 108 Ready A positive level from ASMi 31 when the power is on and ASMi 31 is a not in the DIGITAL LOOP mode or b has not received a REMOTE LOOPBACK signal from the remote unit Not used A positive level from ASMi 31 except when a loss of the received signal is detected or when Data Set Ready is negative D 2 General Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMi 31 Installation and Operation Manual Appendix D DTE Interface Connectors Table D 1 DTE Interface Signal Assignments Cont Signal DB 25 34 pin DB 25 DB 25 DB 15 Description Function Standalone Standalone Frame Standalone and Frame Pin
46. rs to this instrument No adjustment maintenance or repairs should be performed by either the operator or the user Telecommunication Safety The safety status of each of the ports on ASMi 31 is declared according to EN 41003 and is detailed in the table below Safety Status V 24 V 35 X 21 RS 530 V 36 SELV Circuit operating with Safety Extra Low Voltage LAN balanced G 703 Line TNV 1 Telecommunications Networks Voltage within the limits of SELV and subject to overvoltages Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Regulatory Information FCC 15 User Information This equipment has been tested and found to comply with the limits of the Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to the radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Warning per EN 55022 This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequat
47. s ON DCD the DCD signal turns on when the two units reach synchronization OFF CNT the DCD signal of the local unit follows the RTS signal of the remote unit Installation and Setup Ph 727 398 5252 Fax 727 397 9610 9 64 kbps Sync 8 bits P EN Even 1STB DCD 2 5 www bestdatasource com Chapter 2 Installation and Setup ASMi 31 Installation and Operation Manual Table 2 1 ASMi 31 Internal Jumpers and Switches Cont Item Jumper Description Values Default Setting Section 7 Controls the DTR to DSR ON Indicates only that the DSR transfer local unit is powered up It does not indicate the status of the communication channel or operational status of the remote site OFF Indicates that the DSR of the local unit follows the DTR signal of the remote unit Section 8 Controls the ASMi 31 ON Slave Slave operational status slave or p OFF Master master Closing the ASMi 31 Case After completing the internal settings close the unit case To close the ASMi 31 case 1 Replace the upper half of the unit and press firmly until the plastic tabs fit into the tab housing 2 Insert the original cover screws in their positions and tighten carefully Do not use excessive torque Connecting the Figure 2 2 illustrates the rear panel of the ASMi 31 modem Interfaces DTE Gere 230V0 1A T 250V Figure 2 2 ASMi 31 Rear Panel Connecting the Line The ASMi 31 line conn
48. synchronization occurs between the local and remote modem On when an error occurs in the configuration received from the master unit On when a test is active 3 2 Operating Instructions ASMi 31 turns on as soon as power is connected When power is On connected the PWR indicator lights up and remains lit as long as ASMi 31 receives power Normal LEDs Check that the other front panel LEDs appear as listed in Table 3 2 This Indications indicates that the local and remote ASMi 31 units are operational and passing data Table 3 2 ASMi 31 Controls and Indicators Normal Operation Name State Function PWR On TD On or blinking Flashing depends upon the data being transmitted RD Off or blinking Flashing depends upon the data being received RTS Lights when RTS status is On DCD Lights when RTS is received from the remote modem and the modems are synchronized DCD OFF switch SW6 LOS On or blinking Blinks until synchronization between the modems is achieved Constantly On when there is no synchronization ERR Off or blinking Blinks until synchronization between the modems is achieved TEST On or blinking Blinks until synchronization between the modems is achieved Constantly On while test is activated from either local or remote unit 3 2 Operating Instructions Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com ASMIi 31 Installation and Operation Manual Chapter 3 Operation If the above LED i

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