ADTRAN 5045 Bedienungsanleitung

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Zur Seite of

Richtige Gebrauchsanleitung

Die Vorschriften verpflichten den Verkäufer zur Übertragung der Gebrauchsanleitung ADTRAN 5045 an den Erwerber, zusammen mit der Ware. Eine fehlende Anleitung oder falsche Informationen, die dem Verbraucher übertragen werden, bilden eine Grundlage für eine Reklamation aufgrund Unstimmigkeit des Geräts mit dem Vertrag. Rechtsmäßig lässt man das Anfügen einer Gebrauchsanleitung in anderer Form als Papierform zu, was letztens sehr oft genutzt wird, indem man eine grafische oder elektronische Anleitung von ADTRAN 5045, sowie Anleitungsvideos für Nutzer beifügt. Die Bedingung ist, dass ihre Form leserlich und verständlich ist.

Was ist eine Gebrauchsanleitung?

Das Wort kommt vom lateinischen „instructio”, d.h. ordnen. Demnach kann man in der Anleitung ADTRAN 5045 die Beschreibung der Etappen der Vorgehensweisen finden. Das Ziel der Anleitung ist die Belehrung, Vereinfachung des Starts, der Nutzung des Geräts oder auch der Ausführung bestimmter Tätigkeiten. Die Anleitung ist eine Sammlung von Informationen über ein Gegenstand/eine Dienstleistung, ein Hinweis.

Leider widmen nicht viele Nutzer ihre Zeit der Gebrauchsanleitung ADTRAN 5045. Eine gute Gebrauchsanleitung erlaubt nicht nur eine Reihe zusätzlicher Funktionen des gekauften Geräts kennenzulernen, sondern hilft dabei viele Fehler zu vermeiden.

Was sollte also eine ideale Gebrauchsanleitung beinhalten?

Die Gebrauchsanleitung ADTRAN 5045 sollte vor allem folgendes enthalten:
- Informationen über technische Daten des Geräts ADTRAN 5045
- Den Namen des Produzenten und das Produktionsjahr des Geräts ADTRAN 5045
- Grundsätze der Bedienung, Regulierung und Wartung des Geräts ADTRAN 5045
- Sicherheitszeichen und Zertifikate, die die Übereinstimmung mit entsprechenden Normen bestätigen

Warum lesen wir keine Gebrauchsanleitungen?

Der Grund dafür ist die fehlende Zeit und die Sicherheit, was die bestimmten Funktionen der gekauften Geräte angeht. Leider ist das Anschließen und Starten von ADTRAN 5045 zu wenig. Eine Anleitung beinhaltet eine Reihe von Hinweisen bezüglich bestimmter Funktionen, Sicherheitsgrundsätze, Wartungsarten (sogar das, welche Mittel man benutzen sollte), eventueller Fehler von ADTRAN 5045 und Lösungsarten für Probleme, die während der Nutzung auftreten könnten. Immerhin kann man in der Gebrauchsanleitung die Kontaktnummer zum Service ADTRAN finden, wenn die vorgeschlagenen Lösungen nicht wirksam sind. Aktuell erfreuen sich Anleitungen in Form von interessanten Animationen oder Videoanleitungen an Popularität, die den Nutzer besser ansprechen als eine Broschüre. Diese Art von Anleitung gibt garantiert, dass der Nutzer sich das ganze Video anschaut, ohne die spezifizierten und komplizierten technischen Beschreibungen von ADTRAN 5045 zu überspringen, wie es bei der Papierform passiert.

Warum sollte man Gebrauchsanleitungen lesen?

In der Gebrauchsanleitung finden wir vor allem die Antwort über den Bau sowie die Möglichkeiten des Geräts ADTRAN 5045, über die Nutzung bestimmter Accessoires und eine Reihe von Informationen, die erlauben, jegliche Funktionen und Bequemlichkeiten zu nutzen.

Nach dem gelungenen Kauf des Geräts, sollte man einige Zeit für das Kennenlernen jedes Teils der Anleitung von ADTRAN 5045 widmen. Aktuell sind sie genau vorbereitet oder übersetzt, damit sie nicht nur verständlich für die Nutzer sind, aber auch ihre grundliegende Hilfs-Informations-Funktion erfüllen.

Inhaltsverzeichnis der Gebrauchsanleitungen

  • Seite 1

    612805045L1- 1A April 2003 TRACER 5045 System Manual 12805045L1A TRACER 5045 System (Plan A) 12805045L1B TRACER 5045 System (Plan B)[...]

  • Seite 2

    Trademarks TRACER 5045 System Manual 2 © 2003 ADTRAN, Inc. 612805045L1-1A T rademarks Any brand names an d product names included in th is manual are trademarks, registered trademarks, or trade names of their respective holders. TRACER ® is a registered trademark of ADTRAN, Inc. T o the Holder of the Manual The content s of this manu al are curre[...]

  • Seite 3

    TRACER 5045 System Manual Revision History 612805045L1-1A © 2003 ADTRAN, Inc. 3 Revision History Document Revision Date Description of Changes A March 2003 Initial release of manual. Notes pr ovide additiona l useful information. Cautions signify information that could pr event se rvice interruption. W arnings pr ovide information that could pr ev[...]

  • Seite 4

    Safety Instructions TRACER 5045 System Manual 4 © 2003 ADTRAN, Inc. 612805045L1-1A Safety Instructions When using your teleph one equipment, please follow these basic safety precautions to reduce the risk of fire, electrical shock, or personal injury: 1. Do not use this prod uct near water , such as a bathtub, wash bowl, ki tchen sink, laundry tub[...]

  • Seite 5

    TRACER 5045 System Manual FCC-Required Information 612805045L1-1A © 2003 ADTRAN, Inc. 5 FCC-Required Information Federal Communications Co mmission Radio Frequency Inte rference S t atement This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designe[...]

  • Seite 6

    FCC-Required Information TRACER 5045 System Manual 6 © 2003 ADTRAN, Inc. 612805045L1-1A FCC Output Power Restrictions The FCC does not require licensing to implement th is device. License-free oper ation in the industrial, scientific, and medical band is documented in FCC Rules Part 15.247. It is th e responsibility of the individuals de signing a[...]

  • Seite 7

    TRACER 5045 System Manual Warranty and Custom er Service 612805045L1-1A © 2003 ADTRAN, Inc. 7 W arranty and Custo mer Service ADTRAN will replace or repair this product within th e warranty period if it does not meet its published specifications or fails while in service. W arranty in formation can be found at www .adtran.com/warranty . Customer S[...]

  • Seite 8

    Customer Service, Product Support Informa tion, and Training TRACER 5045 System Manual 8 © 2003 ADTRAN, Inc. 612805045L1-1A Post-Sale Support Y our reseller should serve as the firs t point of con tact for support. If ad ditional support is n eeded, the ADTRAN Support web site provides a variety of supp ort services such as a searchable knowledge [...]

  • Seite 9

    61280 5045 L1-1A © 2 003 ADT R AN, Inc. 9 T able of Content s Section 1 System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 This section of ADTRAN’s TRACER 5045 Syst em Manual is designed for use by netwo rk en- gineers, planners, and designers for overv iew informatio n about the TRACER 5045 . S[...]

  • Seite 10

    Table of Contents TRACER 4208 System Manual 10 © 2 003 ADT R AN, Inc. 61280 5045 L1-1A[...]

  • Seite 11

    612805045L1-1A © 2003 ADTRAN, Inc. 11 SYSTEM DESCRIPTION This section of ADTRAN’s TRACER 5045 System Ma nual is designed for use by network engineers, planners, and designer s for overview information about the TRACER 5045. It contains general info rmation and describes physi cal and operational concepts, network relationships, provisioning, tes[...]

  • Seite 12

    Section 1 System Description TRACER 5045 System Manual 12 © 2003 ADTRAN, Inc. 612805045L1-1A 1. SYSTEM OVERVIEW The ADTRAN TRACER 5045 wireless ethernet switch to tran sport 10/100BaseT/TX dat a at 45 Mbps in point-to-point applications fo r up to 25 miles on a line-of-sight p ath. As authorized under Part 15.247 of the FCC Rules, the TRACER 504 5[...]

  • Seite 13

    612805045L1-1A © 2003 ADTRAN, Inc. 13 MICROWAVE PATH ENGINEERING BASICS Explains the basics of anal yzing a wireless microwave link o r path. The significan t parameters are defined, and several recommenda tions are offered. C ONTENT S Line-of-Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Seite 14

    Section 2 Microwave Path Engineering Basics TRACER 5045 System Manual 14 © 2003 ADTRAN, Inc. 612805045L1-1A[...]

  • Seite 15

    TRACER 5045 System Manual Section 2 Microwave Path Engineering Basics 612805045L1-1A © 2003 ADTRAN, Inc. 15 1. LINE-OF-SITE The TRACER 5045 syst em is designed for operation in th e license-free 5.725 GHz to 5.850 GHz industrial, scien tific and medical (ISM) band. Radio wave propagation in this band exhibits microwave characteristics which are id[...]

  • Seite 16

    Section 2 Microwave Path Engineering Basics TRACER 5045 System Manual 16 © 2003 ADTRAN, Inc. 612805045L1-1A Higher levels of fade margin indicate stronger pr otec tion against signal f ading and a more reliable link. For most applications, 20 to 30 dB of fade mar gin should ensure a reliable link. The following sections further discuss the necessa[...]

  • Seite 17

    TRACER 5045 System Manual Section 2 Microwave Path Engineering Basics 612805045L1-1A © 2003 ADTRAN, Inc. 17 Figure 1. Example Microwave Path with Parameters The following sections furt her discuss the power budget analysis and its components. Antenna Gain Actual transmit and receive antenna ga in values depend strictly upon the physical characteri[...]

  • Seite 18

    Section 2 Microwave Path Engineering Basics TRACER 5045 System Manual 18 © 2003 ADTRAN, Inc. 612805045L1-1A Carrier W avelength ( λ) The carrier wavelength is the physic al wavelength of the main RF ca rrier being used for communication, and is usually appro ximated at the center frequency of the ba nd (which is 5787.5 MHz for the TRACER 5045). T[...]

  • Seite 19

    TRACER 5045 System Manual Section 2 Microwave Path Engineering Basics 612805045L1-1A © 2003 ADTRAN, Inc. 19 T able 2 gives typical loss figures for some of th e more common coaxial cable types (per 100 feet). Path Loss ( L P ) Path loss is the estimated attenuation between the transmit and receive antennas caused by signal separation and scatterin[...]

  • Seite 20

    Section 2 Microwave Path Engineering Basics TRACER 5045 System Manual 20 © 2003 ADTRAN, Inc. 612805045L1-1A T able 3 lists path loss values for various path lengths for the TRAC ER 5045 5.8 GHz system. V alues not listed in the table can be in terpolated from those listed. 5. RECEIVER SENSITIVITY Receiver sensitivity is a value expre ssed in decib[...]

  • Seite 21

    TRACER 5045 System Manual Section 2 Microwave Path Engineering Basics 612805045L1-1A © 2003 ADTRAN, Inc. 21 TRACER RSSI T est Points The RSSI indicator for the TRACER 5045 system is provided through the VT100 termina l menus accessed through the RS-232 interface, and it is presented as a series of bars indicating signal strength. More bars means m[...]

  • Seite 22

    Section 2 Microwave Path Engineering Basics TRACER 5045 System Manual 22 © 2003 ADTRAN, Inc. 612805045L1-1A The first Fresnel zone corresponds to the main lobe, 60% of which must be free of ph ysical obstructions for the path calculations to be valid . Since the main lobe contains the vast majority of the microwave energy , this zone is typica lly[...]

  • Seite 23

    TRACER 5045 System Manual Section 2 Microwave Path Engineering Basics 612805045L1-1A © 2003 ADTRAN, Inc. 23 7. OTHER CONSIDERATIONS Path A vailability The path availability of a wireless link is a metric that expresses the fractional amoun t of time a link is available over some fixed amount of time, and depends on sev eral factors. Path availabil[...]

  • Seite 24

    Section 2 Microwave Path Engineering Basics TRACER 5045 System Manual 24 © 2003 ADTRAN, Inc. 612805045L1-1A[...]

  • Seite 25

    612805045L1-1A © 2003 ADTRAN, Inc. 25 ENGINEERING GUIDELINES Pr ovides information to assist network designers with inco rporating the TRACE R 5045 system into their networks. C ONTENT S Equipment Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 6 Power Requirements . [...]

  • Seite 26

    Section 3 Engineering Guideli nes TRACER 5045 System Manual 26 © 2003 ADTRAN, Inc. 612805045L1-1A 1. EQUIPMENT DIMENSIONS The TRACER 5045 unit is 17.22” W , 9.34” D, and 1.72” H, weighs 7 lbs, and can be used in rack-mount configurations. 2. POWER REQUIREMENT S The TRACER 5045 system has a maximum power cons umption of 23 W atts and a maximu[...]

  • Seite 27

    TRACER 5045 System Manual Section 3 Engineering Gu idelines 612805045L1-1A © 2003 ADTRAN, Inc. 27 4. REVIEWIN G THE TRACER 5045 REAR PANEL DESIGN Figure 2 identifies the variou s features of the TRACER 50 45 rear panel and T able 1 on page 26 provides a brief description of each interface. Figure 2. TRACER 5045 Rear Panel Table 2. TRACER 5045 LEDs[...]

  • Seite 28

    Section 3 Engineering Guideli nes TRACER 5045 System Manual 28 © 2003 ADTRAN, Inc. 612805045L1-1A RS-232 Connection (DB- 25) — T erminal Use The RS-232 connector provides a female DB-25 terminal co nnection (wired as a DCE interface), which is used for terminal access to th e TRACER 5045 system. The RS-232 port provides the following functions: [...]

  • Seite 29

    TRACER 5045 System Manual Section 3 Engineering Gu idelines 612805045L1-1A © 2003 ADTRAN, Inc. 29 RS-232 Connection (Modem Use) Modem controls, discussed in Section 5, User Inte rface Guide , enable or disable modem c ontrol through the RS-232 interface. When this option is enabled from a standard terminal co nnection, all RS-232 communications ce[...]

  • Seite 30

    Section 3 Engineering Guideli nes TRACER 5045 System Manual 30 © 2003 ADTRAN, Inc. 612805045L1-1A T able 5 contains the wiring diagram needed for co nnecting the TRACER 5045 RS-232 interface to a modem using the null modem adapter . 10/100BaseT/TX Connections (RJ-48C) The physical Ethernet interfaces are provided by four RJ-48C jacks that deliver [...]

  • Seite 31

    TRACER 5045 System Manual Section 3 Engineering Gu idelines 612805045L1-1A © 2003 ADTRAN, Inc. 31 DC Power Connection (Pl ug-In T erminal Block) The TRACER 5045 can operate from a supply between 21 and 60 VDC, with either polarity referenced to ground, and consumes less than 23 W a tts (W). Power supplies should be ab le to provide up to 24 W at t[...]

  • Seite 32

    Section 3 Engineering Guideli nes TRACER 5045 System Manual 32 © 2003 ADTRAN, Inc. 612805045L1-1A Table 9. At-A-Glance Specificat ions Hardware Description Specification T ransmitter Output Pow er +20 dBm, max Frequency Range 5725 to 5850 MHz Receiver Receive Level, Minimum -78 dBm Receive Level, Maximum -30 dBm Receive Level, Nominal -55 dBm Freq[...]

  • Seite 33

    TRACER 5045 System Manual Section 3 Engineering Gu idelines 612805045L1-1A © 2003 ADTRAN, Inc. 33 Power Input V oltage 21 to 60 VDC, either polarity referenced to ground Power Consumption < 23 W atts Connector 2 pin terminal block (DC) Fuse 2 A, 250 V slow-blo fuse (2-inch) Table 9. At-A-Glance Specifications ( Continued) Hardware Description S[...]

  • Seite 34

    Section 3 Engineering Guideli nes TRACER 5045 System Manual 34 © 2003 ADTRAN, Inc. 612805045L1-1A[...]

  • Seite 35

    612805045L1-1A © 2003 ADTRAN, Inc. 35 NETWORK T URNUP PROCEDURE C ONTENT S Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Seite 36

    Section 4, Netwo rk Turnup Pr ocedure TRACER 5045 Sy stem Manu al 36 © 2003 ADTRAN, Inc. 612805045L1-1A 1. INTRODUCTION This section discusses the installation proc ess of the TRACER 5045 system. 2. T OOLS R EQUIRED The tools required for the insta llation of the TRACER 5045 are: • VT100 terminal or PC wit h terminal emulation software • RS-23[...]

  • Seite 37

    TRACER 5045 System Manual Section 4, Network Turnup Proced ure 612805045L1-1A © 2003 ADTRAN, Inc. 37 4. CHANNEL SELECTION The FCC has allocated 125 MHz of spectrum in th e 5.8 GHz band where the TRACER 5045 operates. Figure 1 illustrates the bandwidth division. Figure 1. 5.8 GHz Bandwidth Division T o designate the utilization of the ISM bandwidth[...]

  • Seite 38

    Section 4, Netwo rk Turnup Pr ocedure TRACER 5045 Sy stem Manu al 38 © 2003 ADTRAN, Inc. 612805045L1-1A The supplementary e quipment grou nding conduc tor sha ll not be smaller in size than the ungrounded branch-circuit suppl y conductors. The supp lementary equipment grounding conductor sh all be connected to the product at the terminal provided,[...]

  • Seite 39

    612805045L1-1A © 2003 ADTRAN, Inc. 39 USER INTERFACE GUIDE Pr ovides detailed descriptions of all menu options and configuration parame ters available for the TRACER 5045. This section of ADTRAN’ s TRACER 5045 System Manual is designed for use by network administrators and others who will configure an d provision the sy stem. It contains informa[...]

  • Seite 40

    Section 5 User Interface Guide TRACER 5045 System Manual 40 © 2003 ADTRAN, Inc. 612805045L1-1A 1. NAVIGATING THE T ERMINAL MENU The TRACER 5045 menu system can be accessed with a VT100 compatible terminal that is co nnected to the RS-232 port located on the back of the unit and set to 9600 bits per second, 8 d ata bits, 1 stop bit, and no parity .[...]

  • Seite 41

    TRACER 5045 System Manual Section 5 User Interface Guide 612805045L1-1A © 2003 ADTRAN, Inc. 41 Navigating using the Keyboard Keys Y ou can use various keystrokes to move thro ugh the te rminal menu, to manage a terminal menu session, and to configure the system. Moving Through the Menus Session Manage ment Keystrokes 2. T ERMINAL MENU AND SYSTEM C[...]

  • Seite 42

    Section 5 User Interface Guide TRACER 5045 System Manual 42 © 2003 ADTRAN, Inc. 612805045L1-1A 3. MENU DESCRIPTIONS The remainder of this sec tion describes the TRACER 5045 menu s and submenus. >TRACER S YSTEM S TAT US Figure 2 shows the TRACER 5045 System Status menu page. The status of major system components for both sides of the TRACER link[...]

  • Seite 43

    TRACER 5045 System Manual Section 5 User Interface Guide 612805045L1-1A © 2003 ADTRAN, Inc. 43 C. RF St atus A graphical indicator of the TRACER RF links is located beneath the T echnical Support contact number . The status of the received radio link is indicated as RF U P or RF D OWN for ea ch direction. This RF status display corresponds to the [...]

  • Seite 44

    Section 5 User Interface Guide TRACER 5045 System Manual 44 © 2003 ADTRAN, Inc. 612805045L1-1A >M AIN M ENU The TRACER 5045 Main Menu page provides acc ess to all other configuration/status pa ges. Figure 3 shows the TRACER 5045 Main Menu page. Figure 3. TRACER 504 5 Main Men u From the keyboard, use the u p and down arrow keys to scroll throug[...]

  • Seite 45

    TRACER 5045 System Manual Section 5 User Interface Guide 612805045L1-1A © 2003 ADTRAN, Inc. 45 >TRACER S YSTEM C ONFIGURATION Figure 4 shows the TRACER 5045 System Config uratio n menu page. System configuration parameters for both the local and remote TR ACER 5045 un its are availabl e through this menu page. Figure 4. TRACER 5045 System Confi[...]

  • Seite 46

    Section 5 User Interface Guide TRACER 5045 System Manual 46 © 2003 ADTRAN, Inc. 612805045L1-1A >TRACER S YSTEM C ONFIGURATION > S ITE N AME Provides a user-defined alphanumeric description (u p to 25 characters) for the TRACER 5045 system. >TRACER S YSTEM C ONFIGURATION > M ODEM C ONTROL Configures the modem control leads on the RS-232[...]

  • Seite 47

    TRACER 5045 System Manual Section 5 User Interface Guide 612805045L1-1A © 2003 ADTRAN, Inc. 47 >TRACER L INK P ER FORMANCE H IS TORY Figure 5 shows the TRACER 5045 Link Performance Hi story menu page, which d isplays detailed error statistics and received signal level fo r the RF link (from both the local and remote TRACER 5045 units) in 15-min[...]

  • Seite 48

    Section 5 User Interface Guide TRACER 5045 System Manual 48 © 2003 ADTRAN, Inc. 612805045L1-1A >E THERNET S WITCH S TA T U S Figure 5 shows the Etherne t Switch Status menu page, which displays transmit and receive data statistics for the ethernet interfaces (from both the local and remo te TRACER 5045 units). Figure 6. TRACER Link Performance [...]

  • Seite 49

    TRACER 5045 System Manual Section 5 User Interface Guide 612805045L1-1A © 2003 ADTRAN, Inc. 49 >E THERNET S WITCH S TA T U S > R X P ACKETS D ROPPED Displays a counter of all received data pac kets that were unable to be processed due to congestion inside the TRACER 5045 bridge (for both the local an d remo te TRACER 5045 units). Use this da[...]

  • Seite 50

    Section 5 User Interface Guide TRACER 5045 System Manual 50 © 2003 ADTRAN, Inc. 612805045L1-1A[...]

  • Seite 51

    612805045L1-1A © 2003 ADTRAN, Inc. 51 T ROUBLESHOOTING GUIDE Pr ovides helpful informa tion for tr oubleshooting common configur ation pr oblems for the TRACER 5045. C ONTENT S Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 LED Indicators . .[...]

  • Seite 52

    Section 6 Troubleshooting Guide TRACER 5045 System Manual 52 © 2003 ADTRAN, Inc. 612805045L1-1A 1. OVERVIEW This troubleshooting guide provides recommended ac tions for various conditions of t he TRACER 5045 system. The status LEDs (located on the front pane l of the un it) provide information to help determine the necessary troubleshooting action[...]

  • Seite 53

    TRACER 5045 System Man ual Section 6 Troubleshooting Guide 612805045L1-1A © 2003 ADTRAN, Inc. 53 RF LOW LED If the RF LOW LED is ON (solid red), it is an indicator that th e received signal is wit hin 10 dB (approximately) of the minimum operab le signal. This condition is typica lly indicative of a path problem. Recommended Actions: 1. V erify th[...]

  • Seite 54

    Section 6 Troubleshooting Guide TRACER 5045 System Manual 54 © 2003 ADTRAN, Inc. 612805045L1-1A 5. INST ALLING/T ROUBLESHOOTI NG THE TRAC ER HARDWARE 1. Perform a detailed path profile and link budget for each TRACER 5045 microwav e link. A thorough path study can be used to estimate signal power budgets, fade margins at each receiver , identity p[...]

  • Seite 55

    TRACER 5045 System Man ual Section 6 Troubleshooting Guide 612805045L1-1A © 2003 ADTRAN, Inc. 55 9. Examine t he RF LOW LED on the front panel of each TRAC ER 5045. If this LED is illuminated, then the TRACER 5045 is receiving a relatively weak signal; however , if the RF DOWN LED is not illuminated, then the received signal is being suitably proc[...]

  • Seite 56

    Section 6 Troubleshooting Guide TRACER 5045 System Manual 56 © 2003 ADTRAN, Inc. 612805045L1-1A[...]