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Microwave Data Systems FOUR.9 Series User Reference And Installation Manual

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Microwave Data Systems
Digital Radio System
MDS FOUR.9 Series
MDS SIX.4 Series
User Reference and Installation Guide
PRELIMINARY
Part No. 05-4561A01, Rev. A
Date: 9 JUNE 2006

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Summary of Contents for Microwave Data Systems FOUR.9 Series

  • Page 1 Microwave Data Systems Digital Radio System MDS FOUR.9 Series MDS SIX.4 Series User Reference and Installation Guide PRELIMINARY Part No. 05-4561A01, Rev. A Date: 9 JUNE 2006...
  • Page 3 In no event shall Microwave Data Systems Inc. be liable for any damages whatsoever – including special, indirect, consequential or incidental damages or damages for loss of profits, revenue, use, or data whether brought in contract or tort, arising out of or connected with any Microwave Data Systems Inc., document or the use, reliance upon or performance of any material contained in or...

  • Page 4: Table Of Contents

    Table of Contents SAFETY PRECAUTIONS ........................1-1 SYSTEM DESCRIPTION ........................2-1 About This Manual..........................2-1 Introduction ............................2-1 System Features ..........................2-5 Physical Description ........................2-6 2.4.1 Model Types ..........................2-6 2.4.2 Options ............................2-8 2.4.3 Front Panel Indicators .........................2-8 2.4.4 Front Panel Connections ......................2-9 System Description ........................2-13 Consecutive Point Architecture ....................2-16 2 + 0 (East-West) Configuration ....................2-18 1+1 Protection ..........................2-19...
  • Page 5 3.8.5 SDIDU Configuration......................3-28 3.8.6 ODU Antenna Alignment ......................3-30 3.8.7 Quick Start Settings........................3-31 Documenting MDS FOUR.9 Series Configuration ...............3-32 SUMMARY SPECIFICATIONS......................4-1 FRONT PANEL CONNECTORS ......................5-1 DC Input (Power) Connector......................5-1 Ethernet 100BaseTX Payload Connector 1-2.................5-1 SONET Payload Connector......................5-2 STM-1 Payload Connector .......................5-2 DS-3/E-3/STS-1 Payload Connector....................5-2...

  • Page 6: Safety Precautions

    1 Safety Precautions PLEASE READ THESE SAFETY PRECAUTIONS! RF Energy Health Hazard—FOUR.9 Series The radio equipment described in this guide employs radio frequency transmitters. Although the power level is low, the concentrated energy from a directional antenna may pose a health hazard.
  • Page 7 Please contact Microwave Data Systems or your supplier for more information on the proper disposal of this equipment. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series...

  • Page 8: System Description

    Voice over IP (VoIP). The MDS FOUR.9 Series digital radio family operates in the FCC Public Safety Band of 4.940 to 4.990 GHz, which is generically referred to as the “4.9 GHz band.” It supports three types of user...
  • Page 9 The overall architecture consists of a single 1RU rack mount Software Defined Indoor Unit ( SDIDU ) with a cable connecting to an Outdoor Unit (ODU) with an external antenna. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series...
  • Page 10 Aggregate capacity beyond basic payload: Increases available bandwidth of network. 2.2– 149H 146H 150H 147H FOUR.9 Series—34 Mbps, 50 Mbps or 100 Mbps. Allows customer full use of revenue- SIX.4 Series—16 to 131 Mbps generating payload channel. © 2006 Microwave Data Systems Inc.
  • Page 11 User Reference and Installation Guide Benefits Advantages to Providers/Customers Reference Scalable and spectrally efficient system. Up to 16 (FOUR.9 Series) or 32 (SIX.4 Series) T1/E1 wayside channels support extension of PBX connectivity between Separate networks for radio buildings without additional leased-line overhead/management and user payload.

  • Page 12: System Features

    Hot Standby o East/West Repeater (2 + 0) Selectable Spectral Efficiency of 0.8 to 6.25 bits/Hz (FOUR.9 Series) or 5 to 7 bits/Hz (SIX.4 Series). These figures include FEC and spectral shaping effects. 16 – 64 QAM Modulation (FOUR.9 Series) or 32 – 64 QAM Modulation (SIX.4 Series)

  • Page 13: Physical Description

    Table 2-2 MDS Digital Radio Series SDIDU Model Types MODEL NUMBER* FULL DUPLEX DATA WAYSIDE THROUGHPUT INTERFACE SDIDUxxMNVN 100 Mbps 100 BaseTX Aggregate T1/E1s (50 Mbps full duplex) © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series 05-4561A01, Rev. A...
  • Page 14 Transmit: 5929 – 6110 MHz Receive: 6181 – 6362 MHz MDS SIX.4 – ODU* ODU6400MLH External antenna required Transmit: 6181 – 6362 MHz Receive: 5929 – 6110 MHz © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series 05-4561A01, Rev. A...

  • Page 15: Options

    The controller, standard I/O, and each modem card have a status LED. Figure 2-2. Front Panel LEDs: SDIDU Configuration for 1+0 Configuration The modem status LED indicates the modem status as described in Table 2-4. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series 05-4561A01, Rev. A...

  • Page 16: Front Panel Connections

    Front Panel Connections Please refer to the Figure 2-3 for an example of the SDIDU front panel followed by a 162H 159H descriptive text of the connections. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series 05-4561A01, Rev. A...
  • Page 17 User Reference and Installation Guide 2-10 Figure 2-3. Front Panel Connections, 1+1 Protection: SDIDU © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series 05-4561A01, Rev. A...
  • Page 18 There can be up to 204 mW of RF power present at the antenna port (external antenna version). The antenna should be directed safely when power is applied. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series...
  • Page 19 100Base-TX RJ-45 modular port connector. This port to be used for consecutive point networks. T1 Channels T1 1-2 Two T1/E1 (RJ-48C) interface connections. T1 3-16 Fourteen T1/E1 high density interface connector © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series 05-4561A01, Rev. A...

  • Page 20: System Description

    I/O capability that can be upgraded. In addition, the Modem/IF function is modular. This allows the addition of a second Modem to support protection or ring architectures. The power supply is similarly modular. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series...
  • Page 21 Fast Ethernet 100Base-T connections to the network. Contact the factory for availability of SONET OC-3 connections. In addition, two E1/T1 channels are provided for PBX extension. SNMP is provided on 10/100BaseT ports. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series...
  • Page 22 The Modem Processor and its associated RAM, ROM, and peripherals control the digital and analog Modem operation. It also provides configuration and control for both the IF and I/O cards. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series...

  • Page 23: Consecutive Point Architecture

    (see Figure 2-5). This architecture lets providers 165H 162H deliver high bandwidth with high availability to their customers. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series 05-4561A01, Rev. A...
  • Page 24 SDIDU . For SDH or SONET payloads, the configuration is similar but an external add/drop MUX and a second SDH/SONET interface card are required. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series...

  • Page 25: (East-West) Configuration

    ODUs, one broadcasting/receiving in one direction of the ring architecture and the other broadcasting/receiving in the other as shown in Figure 2-7. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series 05-4561A01, Rev. A...

  • Page 26: 1+1 Protection

    In spatial diversity, two non-interfering paths are used. In either case, the proprietary framer chooses the best, or error-free, data stream and forwards it to the Line Interface Units (Luis). © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series...

  • Page 27: Multi-Hop Repeater Configuration

    Front panel connections for drop/insert capability are shown in Figure 2-11. 174H 171H In this configuration each SDIDU contains two power supplies and two modems. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series 05-4561A01, Rev. A...
  • Page 28 2-21 Protected Protected Link Link Data drop/insert Data Data drop/insert drop/insert Protected Protected Link Link Data drop/insert Figure 2-10. 1 + 1 Multi-hop Repeater Configuration © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series 05-4561A01, Rev. A...

  • Page 29: Data Interfaces

    Automatic Transmit Power Control (ATPC) transmit at a high power level to overcome the effects of fading and interference. However, these techniques continue to operate at a higher © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series...

  • Page 30: Mds Digital Radio Series Software And Network Management

    3. Via a command line client accessible from a terminal client connected to the serial port, or telnet over the NMS Ethernet. The GUI, SNMP, and CLI control are discussed in the Digital Radio Series User Interface Manual. © 2006 Microwave Data Systems Inc. All Rights Reserved. Digital Radio Series...

  • Page 31: Installation

    Contact the shipping company immediately if anything appears damaged. If any of the listed parts are missing, call the distributor or the factory immediately to resolve the problem. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 32: Notices

    Screwdriver for rack mount assembly. Size and types depends on rack mount screws • (not included). 3.3.2 ODU Tools 13 mm or adjustable wrench for ODU bracket mounting bolts • 17 mm or adjustable wrench for U-Bolt • © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 33: Pre-Installation Notes

    Digital Radio Series network. These procedures are as follows: Site Evaluation: gathering specific information about potential radio installation sites. • © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 34 The following diagram shows where installation and commissioning resides within the radio network deployment life cycle, and defines the sequence in which the processes that comprise installation and commissioning should be performed. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series...

  • Page 35: Site Evaluation

    This information is critical to the successful design and deployment of a network. Site evaluations are required to confirm whether or not a building meets network design requirements. The main objectives are as follows: © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 36: Preparing For A Site Evaluation

    Arrange for access with the facility personnel into the buildings, equipment rooms, and • architectural plans to become familiar with the location of all ducts, risers, etc. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 37: Site Evaluation Process

    If trees or other 'soft' objects protrude into the Fresnel zone, they can attenuate (reduced the strength of) a passing signal. In short, the fact that you can see a © 2006 Microwave Data Systems Inc. All Rights Reserved.
  • Page 38 User Reference and Installation Guide location does not mean that you can establish a quality radio link to that location. Microwave Data Systems provides a link planner spreadsheet that calculates the Fresnel ratio and helps determine link feasibility. Contact your technical support representative for a copy of the spreadsheet.
  • Page 39 The link availability, dispersive fade margin and expected signal strength readings are calculated based on the entered parameters. Maximum link distances based on the antenna and transmitter power settings are also displayed. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series...
  • Page 40 16QAM 3/4 5.3G-50FE1 16QAM 3/4 5.3G-50FE2 32QAM 4/5 5.3G-50FE3 64QAM 11/12 5.3G-100FE1 32QAM 9/10 5.3G-16E1-2 16QAM 3/4 5.3G-16T1-2 16QAM 3/4 5.3G-16E1-3 16QAM 7/8 5.3G-16T1-3 16QAM 7/8 © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 41 Radio LOS Ear th Cur vatur e Obstr uctions 35.0 30.0 25.0 20.0 15.0 10.0 10.0 D i s t a nc e ( k m) © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 42: Critical System Calculations

    Availability of the microwave path is a prediction of the percent of time that the link will operate without producing an excessive BER due to multipath fading. Availability is affected by the following: Path length • Fade margin • © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 43: Frequency Plan Determination

    The available frequency plans are illustrated in igure 3-3. The channel assignments shown in the figures correspond to the channel numbers entered via the graphical user interface (GUI) or SNMP. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 44: Antenna Planning

    They are also more easily affected by wind. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 45: Odu Transmit Power Setup

    Table 3-1 by the antenna gain difference above 23 dBi for the mode that is being used. For example, using a 6-foot dish antenna with 37 dBi gain, the output power would be dropped by © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series...
  • Page 46 The installer is responsible during set up of transmit power to not exceed FCC limits on transmission power. EIRP is calculated for link budget with external antennas as, © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 47: Documenting A Site Evaluation

    Use the site evaluation form provided on the following pages to document the results of your site evaluation. Optimally, this complete site form would be stored with the SDIDU for future reference. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 48 Phone 2 - View from the ODU mounting location to the link partner Sketch 2 - Details for grounding and lighting protection Photo 3 - IDU location Sketch 3 - IDU room and cable routes from entry port © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 49 Phone line Need to install 48 VDC available? Cables Confirm cables Take Photo 3 Sketch 3 Front View Top View Side View Equipment Dimensions Equipment Cabinet Batteries © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 50: Installation Of The Digital Radio Series

    Also, including plastic clamps to support and arrange the ODU/ SDIDU Interconnect Cable should also be considered. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 51: Installing The Odu

    Now that you have installed the mounting pole, you are ready to install the ODU onto the mounting poles. Refer to Figure 3-6 through Figure 3-9. 80H 177H 181H 178H © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 52 4. Add the remaining four bolts to the tilt bracket and tighten securely. 5. Manually point the antenna in the direction of the link partner. Figure 3-7. ODU Rear View © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series...

  • Page 53: Routing The Odu/ Sdidu

    1. Select where the cable will enter the building from outside. 2. Determine the length of cable required. Allow three extra feet on each end to allow for strain relief, as well as any bends and turns. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series...
  • Page 54 With a temporary test lead or shorting adapter connected to one end of the cable, DC continuity should be verified between the center and outer conductors at the opposite end. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series...

  • Page 55: Quick Start Guide

    1. Place the grounding rod so as to allow for the shortest possible path from the grounding cable to the ODU. 2. Drive the grounding rod into the ground at least eight inches from the ground surface. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series...
  • Page 56 ODU and SDIDU , reference Figure 3-10. 182H179H Figure 3-10 Ground Connections to ODU 4. Connect a ground lug to one end of the grounding wire. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 57: Grounding The Sdidu

    5. Plug the SDIDU power cable into the SDIDU front panel DC Power connector (DC Input). Place the voltmeter probes on the cable connector terminal screw heads as per © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 58: Tm Tm

    3. Start web browser and use the SDIDU default IP address as the URL. 4. Log in at the login prompt. The username and password are provided at the end of this guide. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 59 Then using a Telnet client, telnet to the SDIDU IP address. You will be prompted for a username and password. Use the username and password supplied at the end of this guide. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 60: Odu Antenna Alignment

    RSL (received signal level) at –20 dBm to 0Volts for minimum RSL at -90 dBm. This mapping characteristic is plotted below in Figure 3-13. 189H 186H © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 61: Quick Start Settings

    URL entered to access the Web GUI: http://192.168.0.1/ Username and Password A dialog box will show requesting a username and password: • User: administrator • Pass: d1scovery © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 62: Documenting Mds Four.9 Series Configuration

    User Reference and Installation Guide 3-32 3.9 Documenting MDS FOUR.9 Series Configuration Use the configuration form provided at the end of this section, or a similar form, to document the results of the SDIDU configuration procedure. Ideally, this complete site form would be stored with the SDIDU for future reference.
  • Page 63 AB-Full Access Digital Radio Configuration Form Link ID Radio Type ( A/B) A=Low band, Horizontal polarization, odd serial number B=High band & Vertical polarization, even serial number Radio ID # Radio S/N Site Name Network Administration - Radio Link Administration - Radio Addresses Commissioning: Near IP:...

  • Page 64: Summary Specifications

    14 T1/E1 Molex High-Density 60-pin SNMP 10Base-T/100Base-Tx RJ-45 Female Control Network Management SNMP, web/http browser NMS Connector 10Base-T/100Base-Tx Voice Orderwire RJ-48C Auxiliary Data (64 kbps) RJ-48C © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 65 14.6 x 15.4 x 2.6 inches ODU Weight 15 lbs (6.8 Kgs) Mounting/Installation Custom Bracket * For definitions of peak and average power, see Section 3.6.6 © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 66: Front Panel Connectors

    Power supply return POWER -48 Vdc, nominal 5.2 Ethernet 100BaseTX Payload Connector 1-2 TYPE SIGNAL RJ-45 Female INPUT INPUT 12 3 4 5 6 7 8 OUTPUT OUTPUT © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 67: Sonet Payload Connector

    SDH STM-1 payload output (electrical) INPUT SDH STM-1 payload input (electrical) 5.5 DS-3/E-3/STS-1 Payload Connector TYPE SIGNAL BNC Duplex OUTPUT DS-3/E-3/STS-1 payload output INPUT DS-3/E-3/STS-1 payload input © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 68: Nms 10/100Basetx Connector 1-2

    Alarm 2 Form C Contact Common Pins 2 and 3 are hardware jumper configurable for DCE or DTE operation. Form C Contacts are hardware jumper configurable to emulate TTL outputs. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series...

  • Page 69: Odu Connector

    350 MHz TX IF / 140 MHz RX IF / -48 VDC Shield Shield / Chassis GND 5.9 T1- Channels 1-2 Connector TYPE SIGNAL RJ-45 Female INPUT INPUT 12 3 4 5 6 7 8 OUTPUT OUTPUT © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 70: T1- Channels 3-16 Connector

    T1 Channel 8 Transmit Ring OUTPUT T1 Channel 7 Transmit Ring OUTPUT T1 Channel 6 Transmit Ring OUTPUT T1 Channel 5 Transmit Ring OUTPUT T1 Channel 12 Transmit Ring © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 71 T1 Channel 8 Receive Tip INPUT T1 Channel 6 Receive Tip INPUT T1 Channel 7 Receive Tip INPUT T1 Channel 7 Receive Ring INPUT T1 Channel 6 Receive Ring © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 72: Usb

    T1 Channel 9 Receive Ring INPUT T1 Channel 15 Receive Ring INPUT T1 Channel 16 Receive Ring 5.11 TYPE SIGNAL USB Type A OUTPUT -Data +Data © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 73: Voice Order Wire

    12 3 4 5 6 7 8 OUTPUT TX Data - INPUT RX Data - INPUT RX Data + OUTPUT TX Data + INPUT RX Clock - INPUT RX Clock + © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 74: Appendix

    The data received through the RF link is not valid. Fault detection via modem status polling. Polling interval: 1 sec. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 75 The specified Modem card has Major Removed been removed from the IDU Upper (only if the specified Modem card has been enabled for use). Fault detection via card-detect logic. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 76 The Fan rotational speed is too Controller Critical low. (Controller card LED flashed red rather than orange). Fault detection via polling fan controller status. Polling interval 10 sec. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 77 Critical Payload either Ethernet payload on Disconnect Standard I/O card (only if Ethernet mode enabled). Fault detection via polling of Ethernet PHY. Polling interval 5 sec. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 78 IDU (only if the Optional I/O card is not enabled for use). Fault detection via card-detect logic. Alarm is cleared after 5 minutes. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 79 Failure Lower communicate with the ODU. This could be a problem with the ODU or a problem with the cable connecting the ODU to the IDU. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 80 Failed to receive link heartbeat Critical from link partner via Radio Overhead (ROH) channel. Fault detection via timeout counter, which is reset via reception of link heartbeat message. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 81 ROH. Remote IDU Link Partner The link partner IDU has Info External External indicated via ROH its external Alarm 1 alarm input 1 has been activated. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 82 Critical RS_OOF has an Out of Frame Defect. Fault detection via polling of RS_OOF_T bit in STM-1 Core. Alternate detection via Interrupt enabled in STM-1 core. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 83 AIS at the AU Level. Fault detection via polling of AU_AIS_T bit in STM-1 Core. Where ‘x’ is the HP index. Alternate detection via Interrupt enabled in STM-1 core. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 84 Defect Indication. Fault detection via polling of HP_RDI_T bit in STM-1 Core. Where ‘x’ is the HP index. Alternate detection via Interrupt enabled in STM-1 core. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 85 Pointer Defect. Fault detection via polling of TU_LOP_T bit in STM-1 Core. Where ‘lkm’ is the TU index as LKM numbering. Alternate detection via Interrupt enabled in STM-1 core. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 86 LP_PLM_T bit in STM-1 Core. Where ‘lkm’ is the LP index as LKM numbering. Alternate detection via Interrupt enabled in STM-1 core. © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...

  • Page 87: Abbreviations & Acronyms

    EIRP Effective Isotropic Radiated Power Federal Communications Commission Forward Error Correction FPGA Field Programmable Gate Array GPIO General Purpose Input/Output Intermediate frequency Internet Protocol Light-emitting diode © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 88 Signal-to-Noise Ratio SDIDU Software Defined Indoor Unit (CarrierComm trademark) SONET Synchronous Optical Network STM-1 Synchronous Transport Module 1 TCP/IP Transmission Control Protocol/Internet Protocol Transistor-transistor logic Transmitter © 2006 Microwave Data Systems Inc. All Rights Reserved. FOUR.9 Series 05-4561A01, Rev. A...
  • Page 89 IN CASE OF DIFFICULTY... MDS products are designed for long life and trouble-free operation. However, this equipment, as with all electronic equipment, may have an occasional component failure. The following information will assist you in the event that servicing becomes necessary. TECHNICAL ASSISTANCE Technical assistance for MDS products is available from our Technical Support Department during business hours (8:00 A.M.–5:30 P.M.
  • Page 90 User Reference and Installation Guide...

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