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RAD Data comm ASM-10/8 manual

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Table of contents for the manual

  • Page 1

    ASM-10/8 Short Range Modem Installation and Operation Manual Notice This manual contains information that is proprietary to RAD Data Commun ications. No part of this publicatio n may be rep roduced in any form whatso ever without pr ior written approv al by RAD Data Communications. No representation or warranties for fi tness for any purpos e other[...]

  • Page 2

    [...]

  • Page 3

    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 replace products which prove to be defective. For warranty service or repair, this product must be returned to a service facility designated by RAD. [...]

  • Page 4

    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 q[...]

  • Page 5

    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-10/8 Conforms to the following standard(s) or other normative document(s): EMC: EN 55022 (1994) Limits and methods of measurement of radio disturbance char[...]

  • Page 6

    [...]

  • Page 7

    Installing ASM-10/8 1 Quick Start Guide Installation of ASM-10/8 should be carried out only by an experienced technician. If you are familiar with ASM-10/8, use this quick start guide to set it up for operation. Perform the following steps for both the local and the remote units : QS .1 Installing ASM-10/8 Switch and Jumper Settings Set the ASM-10/[...]

  • Page 8

    Quick Start Guide ASM-10/8 Installation and Operation Manual 2 Installing ASM-10/8 Jumper Possible Settings Default Setting RPF ON OFF ON PIN 18 EN DIS EN PIN 21 EN DIS EN CHAS GND CONN DIS CONN RCV IMPD 150 300 600 HIGH 150 CTS-DLY 0 msec 8 msec 64 msec 8 msec Data Rate 0 – 19.2 1 – 14.4 2 – 9.6 3 – 7.2 4 – 4.8 5 – 3.6 6 – 2.4 7 – [...]

  • Page 9

    ASM-10/8 Installation and Operation Manual Quick Start Guide Operating ASM-10/8 3 Connecting the Interfaces Connecting the Line ➤ ➤ ➤ ➤ To connect the line: 1. Connect the transmit pair to the terminals marked XMT. 2. Connect the receive pair to the terminals marked RCV. 3. Connect the ground wire to the terminal designated GND (optional). [...]

  • Page 10

    Quick Start Guide ASM-10/8 Installation and Operation Manual 4 Operating ASM-10/8[...]

  • Page 11

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  • Page 15

    09/10/00 16:26 Overview 1-1 Chapter 1 Introduction This chapter describes the basic physical and functional features of the ASM-10/8 short-range modem, as well as some typical applications. It discusses the following topics: • An overview of the modem • Physical description • Functional description • Technical specifications. 1.1 Overview G[...]

  • Page 16

    Chapter 1. Introduction ASM-10/8 Installation and Operation Manual 1-2 Overview 09/10/00 16:26 Applications The following diagrams illustrate the ASM-10/8 in a variety of configurations: • Point-to-point applications • Multipoint applications • Tail-end for DDS service applications • Star applications. 1.2 - 38. 4 kbps 4-wir e up to 55 km A[...]

  • Page 17

    ASM-10/8 Installation and Operation Manual Chapter 1. Introduction 09/10/00 16:26 Overview 1-3 ASM-10/8 RCV CLK V .54 D L Y-OFF EXT CL K V .54 D L Y-ON EXT CL K V .54 D L Y-ON RCV CLK V .54 D L Y-OFF ASM-10/8 ASM-10/8 ASM-10/8 Digit al Serv ice Netwo rk Figure 1-3 ASM-10/8 Tail-End for DDS Service Application ASM-10/8 Master ASM-10/8 Sl ave ASM-10/[...]

  • Page 18

    Chapter 1. Introduction ASM-10/8 Installation and Operation Manual 1-4 Overview 09/10/00 16:26 ASM-10/8 communicates over lines in synchronous mode only. When set to the asynchronous mode, ASM-10/8 performs an asynchronous to synchronous conversion in compliance with ITU V.14 bis standard. The unit has line protection circuits against lightning and[...]

  • Page 19

    ASM-10/8 Installation and Operation Manual Chapter 1. Introduction 09/10/00 16:26 Physical Description 1-5 1.2 Physical Description ASM-10/8 is available as a standalone desktop unit or as a card for the ASM-MN-214 hub. Figure 1-5 shows the 3D view of the ASM-10/8 standalone unit. Figure 1-5 ASM-10/8 Standalone Unit The front panel includes six LED[...]

  • Page 20

    Chapter 1. Introduction ASM-10/8 Installation and Operation Manual 1-6 Functional Description 09/10/00 16:26 1.3 Functional Description General This section contains functional descriptions of the circuit blocks of ASM-10/8, primarily those circuits which are required for setting the desired modem configuration (see Figure 1-6 ). Encoder The encode[...]

  • Page 21

    ASM-10/8 Installation and Operation Manual Chapter 1. Introduction 09/10/00 16:26 Functional Description 1-7 Receiver The receiver comprises several circuits, as shown in the block diagram, Figure 1-6 . • The receive filter removes all the out-of-band frequencies. • The automatic equalizer comprises several equalizers which are activated accord[...]

  • Page 22

    Chapter 1. Introduction ASM-10/8 Installation and Operation Manual 1-8 Functional Description 09/10/00 16:26 ASM-10/8 Block Diagram Figure 1-6 shows the ASM-10/8 internal circuitry. ENCODE R CONT ROL RV CL K MODU LA TOR TIMI NG RPF GENE RA TOR ( ASM-10- SA ONL Y) ENCODE R MODU LA TOR SELECT A BLE XMT AMPLIFIER POWER SUPPL Y ANALPBK DA TA RA T E RCV[...]

  • Page 23

    ASM-10/8 Installation and Operation Manual Chapter 1. Introduction 09/10/00 16:26 Technical Specifications 1-9 1.4 Technical Specifications Transmission Line T yp e Unloaded twisted p air 19 to 26 AWG; 2-wire for half du p lex; 4-wire for full du p lex Connector 5-screw connector or RJ-45 Ran g e See Table 1-1 Level 0 dBm, -3 dBm, -6 dBm, -9 dBm Tr[...]

  • Page 24

    Chapter 1. Introduction ASM-10/8 Installation and Operation Manual 1-10 Technical Specifications 09/10/00 16:26 Physical ASM-10/8/SA Modem Hei g ht 43 mm / 1.7 in Width 215 mm / 8.5 in De p th 243 mm / 9.5 in Wei g ht 956 g / 2.1 lb ASM-10/8/R Card Fits one slot of the ASM-MN-214 hub Power 110, 115 or 230 VAC ( ± 10%); 47 to 63 Hz Power Consum p t[...]

  • Page 25

    09/10/00 16:26 Package Contents 2-1 Chapter 2 Installation and Setup This chapter provides the following information for the ASM-10/8 standalone model: • Site requirements and prerequisites • Package contents • Instructions for mechanical installation • Instructions for electrical installation. After installing the unit, refer to Chapter 3 [...]

  • Page 26

    Chapter 2. Installation and Setup ASM-10/8 Installation and Operation Manual 2-2 Installation and Setup 09/10/00 16:26 2.3 Installation and Setup ASM-10/8 is a standalone device intended for tabletop or bench installation. It is delivered completely assembled. No provisions are made for bolting the ASM-10/8 to the tabletop. For installation of the [...]

  • Page 27

    ASM-10/8 Installation and Operation Manual Chapter 2. Installation and Setup 09/10/00 16:26 Installation and Setup 2-3 Opening the ASM-10/8 Case To reach the internal jumpers and switches of ASM-10/8, it is necessary to open its case. ➤ ➤ ➤ ➤ To open the ASM-10/8 case: 1. Disconnect all the cables connected to ASM-10/8. 2. Turn the unit ove[...]

  • Page 28

    Chapter 2. Installation and Setup ASM-10/8 Installation and Operation Manual 2-4 Installation and Setup 09/10/00 16:26 Table 2-1 ASM-10/8 Internal Jumpers and Switches Item Jumper Description Values Default Setting 1 SWITCH Enables activation of DIG, ANA and REM loopbacks via the front-panel push buttons EN – The loopbacks can be activated via th[...]

  • Page 29

    ASM-10/8 Installation and Operation Manual Chapter 2. Installation and Setup 09/10/00 16:26 Installation and Setup 2-5 Table 2-1 ASM-10/8 Internal Jumpers and Switches (Cont.) Item Jumper Description Values Default Setting 9 PIN 21 Controls the remote digital loopback activation via the DTE pin 21 EN – The remote loopback activation from the DTE [...]

  • Page 30

    Chapter 2. Installation and Setup ASM-10/8 Installation and Operation Manual 2-6 Installation and Setup 09/10/00 16:26 Table 2-1 ASM-10/8 Internal Jumpers and Switches (Cont.) Item Jumper Description Values Default Setting 15 DIP Switch The DIP switch consists of four sections. The S1 section is reserved for future use. S2 Selects the amount of sto[...]

  • Page 31

    ASM-10/8 Installation and Operation Manual Chapter 2. Installation and Setup 09/10/00 16:26 Installation and Setup 2-7 Table 2-3 AGC and CTS Delay Settings for Long-Range Applications Range Rate AGC Setting CTS Delay Setting Long or uneven distances between master and slave modems ON (master and slave) 0 msec (master) Above 9.6 kbps 8 msec (slave) [...]

  • Page 32

    Chapter 2. Installation and Setup ASM-10/8 Installation and Operation Manual 2-8 Installation and Setup 09/10/00 16:26 ➤ ➤ ➤ ➤ To connect the line: 1. Connect the ground wire to the terminal designated GND (optional). 2. Connect the transmit pair to the terminals marked XMT. 3. Connect the receive pair to the terminals marked RCV. Note Use [...]

  • Page 33

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