ADC Telecommunications DLCSMR2A Digivance SMR 20 Watt System User Manual 75159

ADC Telecommunications Inc Digivance SMR 20 Watt System 75159

manual 2

ADCP-75-159 • Issue 1 • August 2003 • Section 2: DescriptionPage 2-16© 2003, ADC Telecommunications, Inc.• Digitizes the reverse path composite RF signal. • Converts the digitized reverse path RF signal to a digitized optical signal. • Provides an RS-232 interface for connecting a local EMS computer. • Transports alarm, control, and monitoring information to the HU via the optical link. • Provides an AC power interface. • Provides an external alarm interface. 5.1 Primary ComponentsThe STM consists of an electronic circuit board assembly, power supply, duplexer, and fanassembly that are mounted within an anodized and powder-paint coated sheet metal enclosure.The metal enclosure provides a mounting point for the electronic components and also controlsRF emissions. Except for the fan unit, the electronic components are not user replaceable. TheSTM is designed for use within the RU outdoor cabinet or indoor mounting shelf. Except for theLPA interface connector, all controls, connectors, indicators, and switches are mounted on theSTM front panel for easy access. A carrying handle is provided on the front of the STM tofacilitate installation and transport. Figure 2-7. Spectrum Transport Module5.2 MountingThe STM mounts within the RU outdoor cabinet or indoor mounting shelf. Runners on the topand bottom of the STM mesh with tracks. The runners and tracks guide the STM into theinstalled position. The electrical interface between the STM and LPA is supported by a D-sub18634-BFCC ID: F8I-DLCSMR2A User Manual - Part 2
ADCP-75-159 • Issue 1 • August 2003 • Section 2: DescriptionPage 2-17© 2003, ADC Telecommunications, Inc.female connector located on the rear side of the STM. A corresponding D-sub male connectormounted at the rear of the RU cabinet or RU mounting shelf mates with the STM connector.Captive screws are provided for securing the STM in the installed position. 5.3 Fault Detection and Alarm ReportingThe STM detects and reports various faults including remote unit fault, optical fault, powerfault, temperature fault, power amplifier fault, and external (door open) fault. Various frontpanel Light Emitting Diode (LED) indicators turn from green to red or yellow if a fault isdetected. The status of the STM, the alarm state (major or minor), and other alarm informationis summarized and reported over the optical interface to the HU and also over the serviceinterface. In addition, the alarm state of the HU is received over the optical interface andreported to the service interface. This information may be accessed remotely through the NOC/NEM interface or locally through the EMS software GUI. 5.4 Antenna Cable ConnectionThe antenna cable connections between the STM and the antenna are supported through one N-type female connector which carries both the forward and reverse path RF signals. Wheninstalled in the RU outdoor cabinet, the STM does not connect directly to the antenna butinstead connects to a lightning protector that is mounted on the bottom of the cabinet (seeSection 3.6). A coaxial jumper cable is provided (included with the enclosure) for connectingthe STM to the lightning protector. 5.5 RF Signal Level AdjustmentThe STM is equipped with a digital attenuator for adjusting the signal level of the forward pathRF output signal. The remote forward path attenuator adjusts the level of the output RF signalat the RU antenna port and will add from 0 to 20 dB of attenuation to the output signal level.The attenuator can be set in 1 dB increments. The attenuator is software controlled and isadjusted through the NOC/NEM interface or the EMS software GUI. 5.6 Optical ConnectionFiber optic connections between the STM and the HU are supported through two SC-typeoptical connector ports. One port is used for connecting the forward path optical signal and theother port is used for connecting the primary reverse path optical signal. 5.7 Service Interface ConnectionThe service interface connection between the STM and a local laptop computer loaded with theEMS software is supported by a single DB-9 female connector. The service interface connectorprovides an RS-232 DTE interface. The STM service interface connector supports localcommunications with both the STM and the corresponding HU.
ADCP-75-159 • Issue 1 • August 2003 • Section 2: DescriptionPage 2-18© 2003, ADC Telecommunications, Inc.5.8 PoweringThe STM is powered by 120 or 240 VAC (50 or 60 Hz) power which is supplied through athree-conductor AC power cord. The power cord is provided with the RU outdoor cabinet orindoor mounting shelf. The power cord connects to an AC connector mounted on the STM frontpanel. A switch on the STM front panel provides AC power On/Off control. 5.9 CoolingContinuous air-flow for cooling is provided by a single fan mounted on the rear side of the STMhousing. An alarm is provided that indicates if a high temperature condition (>50º C/122º F)occurs. If the temperature falls below 32º F (0º C), the fan automatically shuts off. The fan maybe field replaced if it fails. 5.10 User InterfaceThe STM user interface consists of the various connectors, switches, and LEDs that areprovided on the STM front panel. The STM user interface points are described in Table 2-4 andshown in Figure 2-8. Table 2-4. Spectrum Transport Module User InterfaceREF NOUSER INTERFACE DESIGNATION DEVICE FUNCTIONALDESCRIPTION1 PORT 1 SC connector(single-mode) Input connection point for the forward path opti-cal fiber.2 PORT 2 SC connector(single-mode) Output connection point for the reverse path pri-mary optical fiber.3I/0 On/Off rocker switch Provides AC power on/off control. 4 No designation 3-wire AC power cord connector Connection point for the AC power cord. 5 No designation 2- wire DC power cord connector Connection point for a back-up battery power cord. (Not used with 20 Watt system)6 SERVICE DB-9 connector (female) Connection point for the RS-232 service inter-face cable. 7 AC POWER Multi-colored LED(green/red)Indicates if the STM is powered by the AC power source (green) or the back-up battery system (red). See Note.8 STANDBY Multi-colored LED(green/yellow/red)Indicates if the system is in the Normal state (off) Standby state (blinking green), Test state (blink-ing red), or Program Load state (blinking yel-low). See Note. 9 HOST UNIT Multi-colored LED(green/yellow/red)Indicates if no alarm (green), a minor alarm (yel-low), or a major alarm (red) is reported by the HU. See Note.
ADCP-75-159 • Issue 1 • August 2003 • Section 2: DescriptionPage 2-19© 2003, ADC Telecommunications, Inc.Figure 2-8. Spectrum Transport Module User Interface10 STM Multi-colored LED(green/yellow/red)Indicates if the STM is normal (green) or faulty (red). See Note.11 PA Multi-colored LED(green/yellow/red)Indicates if the power amplifier is normal (green), over temperature (yellow), has a fan fail-ure (yellow), or is faulty (red). See Note.12 VSWR Multi-colored LED(green/yellow/red)Indicates if the forward path VSWR is above (red) or below (green) the fault threshold. 13 PORT 1/PORT 2 Multi-colored LED(green/yellow/red)Indicates if the forward/reverse path optical sig-nals from the STM/HU are normal (green), if no optical signals are detected (red), or if excessive errors are detected (red). See Note. 14 ALARM IN MINORALARM IN MAJORScrew-type terminalconnector (14–26 AWG)Connection point for two external alarm inputs. The door-open switch lead wires are typically connected to the major alarm terminals. 15 ANTENNA N-type female RF coaxial connector Connection point for the antenna. Note: A more detailed description of LED operation is provided in Section 5.Table 2-4. Spectrum Transport Module User Interface, continuedREF NOUSER INTERFACE DESIGNATION DEVICE FUNCTIONALDESCRIPTION18636-B(3) ON/OFFSWITCH(4) AC POWERCONNECTOR(5) DC POWERCONNECTOR(1) PORT 1CONNECTOR(2) PORT 2CONNECTOR(6) SERVICECONNECTOR(7-13) LEDINDICATORS(14) ALARMCONNECTOR(15) ANTENNACONNECTOR
ADCP-75-159 • Issue 1 • August 2003 • Section 2: DescriptionPage 2-20© 2003, ADC Telecommunications, Inc.6 LINEAR POWER AMPLIFIERThe Linear Power Amplifier (LPA), shown in Figure 2-9, works in conjunction with the STM toamplify the forward path RF output signal. The STM is interfaced with the LPA through theD-sub connectors and wiring harness located at the rear of the RU cabinet or RU mountingshelf. The RF signal is passed to the LPA for amplification and then passed back to the STM forfiltering and output via the STM’s ANTENNA port. The STM also supplies DC power to theLPA through the same interface. 6.1 Primary ComponentsThe LPA consists of a fan and several electronic circuit board assemblies that are mountedwithin a powder-paint coated sheet metal enclosure. The metal enclosure provides a mountingpoint for the electronic components and also controls RF emissions. Except for the fan unit, theelectronic components are not user replaceable. The LPA is designed for use within the RUoutdoor cabinet or RU indoor mounting shelf. Except for the STM interface connector, allcontrols, indicators, and switches are mounted on the LPA front panel for easy access. Acarrying handle is provided on the front of the LPA to facilitate installation and transport. Figure 2-9. Linear Power Amplifier6.2 MountingThe LPA mounts within the RU outdoor cabinet or RU indoor mounting shelf. Runners on thetop and bottom of the LPA mesh with tracks. The runners and tracks guide the LPA into theinstalled position. The electrical interface between the STM and LPA is supported by a D-subfemale connector located on the rear side of the LPA. A corresponding D-sub male connectormounted at the rear of the RU outdoor cabinet or RU indoor mounting shelf mates with the LPAconnector. Captive screws are provided for securing the LPA in the installed position. 18764-A
ADCP-75-159 • Issue 1 • August 2003 • Section 2: DescriptionPage 2-21© 2003, ADC Telecommunications, Inc.6.3 Fault Detection and Alarm ReportingThe LPA in conjunction with the STM detects and reports various faults including poweramplifier fault, output power fault, temperature fault, and fan fault. A single Light EmittingDiode (LED) indicator, located on the front panel of the LPA, turns from green to red or yellowif an LPA fault is detected. The status of the LPA, the alarm state (major or minor), and otherinformation is summarized and reported (by the STM) over the optical fiber to the HU and alsoto the service interface. This information may be accessed remotely through the NOC/NEMinterface or locally through the EMS software GUI. 6.4 PoweringThe LPA is powered by various DC voltages which are supplied by the STM over the electricalinterface provided by the D-sub connectors and wiring harness mounted within the RU outdoorcabinet or RU indoor mounting shelf. 6.5 CoolingContinuous air-flow for cooling is provided by a fan mounted at the front of the LPA housing.Cool air is pulled into the module from the front and heated air is exhausted out the back. Analarm is provided that indicates if a high temperature condition (>50º C/122º F) occurs or if afan failure occurs. The fan may be field replaced if it fails. 6.6 User InterfaceThe LPA user interface consists of an LED indicator and a switch that are mounted on the LPAfront panel. The LPA user interface points are described in Table 2-5 and indicated inFigure 2-10. Table 2-5. Linear Power Amplifier User InterfaceREF NOUSER INTERFACE DESIGNATION DEVICE FUNCTIONALDESCRIPTION1 STATUS LED indicator (green, yellow, and red)Indicates the operational state of the LPA and whether or not there are any faults. 2MUTENORMRESET3-position switch with one momentary contact positionPlacing the switch in the MUTE position puts the LPA in the shutdown state with RF output disabled. With the switch in MUTE, the STM can not control the LPA output power. Placing the switch in the NORM position puts the LPA in the normal state and allows the STM to enable and disable the RF output. Momentarily placing the switch in the RESET position clears all alarms and restarts the LPA. Note: A more detailed description of the STATUS LED is provided in Section 5.
ADCP-75-159 • Issue 1 • August 2003 • Section 2: DescriptionPage 2-22© 2003, ADC Telecommunications, Inc.Figure 2-10. Linear Power Amplifier User Interface7 INTERFACE PANELS (ACCESSORY)The interface panels are accessory items that are used when multiple EBTS’s require connectionto a single EBTS. Two types of panels are available: the Primary Interface Panel and theExpansion Panel. The Primary Interface Panel, shown in Figure 2-11, provides combining andsplitting (as needed) of the forward and reverse path RF signal. The Primary Interface Panel alsoprovides attenuation of the forward path signal to the level required for input to the HU. Up to 6EBTS’s may be be connected to a single HU using the Primary Interface Panel. Figure 2-11. Primary Interface Panel18765-A(1) STATUS(2) MUTE/NORM/RESET SWITCH18221-A
ADCP-75-159 • Issue 1 • August 2003 • Section 2: DescriptionPage 2-23© 2003, ADC Telecommunications, Inc.The Expansion Panel, shown in Figure 2-12, is used in conjunction with the Primary InterfacePanel when more than 6 EBTS’s must be connected to a single HU. The Primary Interface Panelcan support two Expansion Panels and each Expansion Panel can support up to six EBTS’s. Forcomplete information about the SMR Interface Panels, refer to the Digivance Long RangeCoverage Solution SMR Interface Panels User Manual (ADCP-75-143). Figure 2-12. Expansion Panel8 WAVELENGTH DIVISION MULTIPLEXER SYSTEM (ACCESSORY)The Wavelength Division Multiplexer (WDM) system is an accessory product that is used whenit is desirable or necessary to combine the forward and reverse path optical signals from oneDigivance system onto a single optical fiber. Each WDM system consists of a host module and aremote module. The HU provides a mounting slot for installing a WDM host module. Both theRU outdoor cabinet the RU indoor mounting shelf provide a mounting slot for installing aWDM remote module. Each WDM module consists of a bi-directional wavelength division multiplexer mountedwithin a power-paint coated sheet metal enclosure. A straight SC-type optical connector port isprovided for connecting the forward/reverse path optical fiber to the WDM module. A pair ofpigtail leads with SC-type connectors are provided for connecting the WDM module to theforward and reverse path optical ports on the HU or STM. The WDM host/remote module isshown in Figure 2-13. Figure 2-13. WDM Host/Remote Module18824-A17013-A
ADCP-75-159 • Issue 1 • August 2003 • Section 2: DescriptionPage 2-24© 2003, ADC Telecommunications, Inc.9 COARSE WAVELENGTH DIVISION MULTIPLEXER SYSTEM (ACCESSORY)The Coarse Wavelength Division Multiplexer (CWDM) system is an accessory product that isused when it is desirable or necessary to combine the forward and reserve path optical signalsfor up to four Digivance systems onto a single optical fiber. Each CWDM system consists of aHost Module, Host Module mounting shelf, and Remote Module. The CWDM Host Modulemounting shelf can support up to three CWDM Host Modules. Both the RU outdoor cabinet andindoor mounting shelf provide a mounting slot for installing a CWDM Remote Module. The CWDM Host Module and Host Module Mounting Shelf are shown in Figure 2-14. TheCWDM Remote Module is shown in Figure 2-15. For complete information about the CWDMsystem, refer to the Digivance System Coarse Wavelength Division Multiplexer User Manual(ADCP-75-142). Figure 2-14. CWDM Host Module and Host Module Mounting ShelfFigure 2-15. CWDM Remote Module18647-A18648-A
ADCP-75-159 • Issue 1 • August 2003 • Section 2: DescriptionPage 2-25© 2003, ADC Telecommunications, Inc.10 DIGIVANCE ELEMENT MANAGEMENT SYSTEMThe Digivance Element Management System (EMS) is a network management tool that providescontrol and monitoring functions for the Digivance system. The EMS is used to provision andconfigure new systems for operation, set system operating parameters, get system alarm andstatus messages, and upgrade the system software. The EMS supports both local control by anon-site service technician and remote control by a Network Operations Center (NOC). 10.1 Primary ComponentsThe EMS, shown in Figure 2-16, consists of a PC-type desk-top computer (not provided) that isloaded with the EMS software. The EMS software is stored on a CD-ROM that is shippedseparately along with a User Manual and mouse pad. The EMS software must be installed onthe EMS computer along with the Java 2 Version 1.3.1 Runtime Environment software which isalso provided. Installation consists of inserting the CD-ROM into the computer’s CD-ROMdrive and then running the software install programs. This places the Java 2 RuntimeEnvironment and EMS software files in assigned folders on the computer’s hard drive. Figure 2-16. Digivance Element Management SystemThe EMS software may also be installed on a PC-type lap-top computer (not provided). A lap-top version of the EMS computer can be used as a portable network management tool forservice and maintenance purposes. A laptop EMS computer can be connected temporarily to asystem to enter the initial configuration data or to trouble-shoot problems and then removedwhen the task is completed. Permanent control and monitoring functions would be provided bythe desk-top EMS computer. 10.2 Service Interface ConnectionThe service interface connection between the EMS computer and the HU or RU requires thatthe EMS computer be equipped with a DB-9 connector that is configured to provide an RS-232EMS CD-ROM MANUALS CD-ROMORNOTE: COMPUTERNOT PROVIDED16803-CUSER MANUAL MOUSE PAD
ADCP-75-159 • Issue 1 • August 2003 • Section 2: DescriptionPage 2-26© 2003, ADC Telecommunications, Inc.DCE interface. A straight-through RS-232 interface cable (accessory item) equipped with amale DB-9 connector on one end and a PC-compatible connector on the other end is required tolink the EMS computer to the HU. When multiple HUs are networked together, the EMScomputer may be connected to the service connector on any one of the networked HUs. 10.3 NOC Interface ConnectionThe NOC interface connection between the EMS computer and the NOC requires that the EMScomputer be equipped with a connector that is configured to provide an RS-232 ASCIIinterface. The link between the EMS computer and the NOC would generally be supported by adata network. Cables and equipment (not provided) to support the RS-232 interface connectionbetween the EMS computer and the data network are required. 10.4 EMS Software User InterfaceThe EMS software provides two user interfaces: the Graphical User Interface (GUI) and theNetwork Operation Center-Network Element Manager (NOC/NEM) interface. Both interfacesprovide essentially the same functionality except only the GUI can upgrade the Digivancesystem with new system software. In addition, only the NOC/NEM interface can record andplay back alarm data. The GUI is presented at the EMS computer or on a laptop computer. The GUI is used for localcontrol and monitoring operations. The GUI consists of a series of displays and screens, such asthe one shown in Figure 2-17, that provide the user with alarm and status information and thatallow the user to set various operating parameters. Figure 2-17. EMS Graphical User Interface Host/Remote DisplayThe NOC/NEM interface is a command line interface that is presented at an NOC terminal. TheNOC/NEM interface is used for remote control and monitoring operations. The NOC/NEMinterface consists of ASCII text strings that are input as standard SET or GET commands which

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