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Nortel BSG12aw manual

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manuales de instrucciones parecidos

Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Nortel BSG12aw. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Nortel BSG12aw o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Nortel BSG12aw se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Nortel BSG12aw, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Nortel BSG12aw debe contener:
- información acerca de las especificaciones técnicas del dispositivo Nortel BSG12aw
- nombre de fabricante y año de fabricación del dispositivo Nortel BSG12aw
- condiciones de uso, configuración y mantenimiento del dispositivo Nortel BSG12aw
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Nortel BSG12aw no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Nortel BSG12aw y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Nortel en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Nortel BSG12aw, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Nortel BSG12aw, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Nortel BSG12aw. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    BSG8e w and BSG12e w / aw /t w 1. 0 Busin ess Services Gatew ay Docume nt S tatus: Stan da r d Document Number : NN47928-302 Document V ersion: 02.01 Date: Ma y 2008 Inst allation[...]

  • Página 2

    Copyright © 2008 Nortel Netw orks, All Rights Reserved All rights reserved. The information in this document is subj ect to change without notic e. The statements, configur ations, techni cal data, and recommendations in this document are belie ved to be accurate and re liable, but are presented wi thout express or implied warranty . Users must ta[...]

  • Página 3

    Contents 3 Installation Contents Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 How to Get Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Getting Help from the Nortel Web site . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Página 4

    4 Contents NN47928-302 NN47928-302 Installation and basic configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Installation and ba sic configuratio n prerequisite s . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Installation and ba sic configuratio n navigation . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Página 5

    5 Installation How to Get Help This section explains how to get help for Nortel p roducts and services. Getting Help from the Nortel Web site The best way to get technical support for Nortel products is from the Nortel Technical Support Web site: http://www.nortel.com/support This site provides quick access to software, documentation, bulle tins, a[...]

  • Página 6

    6 How to Get Help NN47928-302 NN47928-302 Getting Help through a Nortel distributor or reseller If you purchased a service contract for your Nort el product from a distributor or authorized reseller, contact the te chnical support staff for that distributor or reseller.[...]

  • Página 7

    7 Installation New in this release The following sections de tail the hardware features of the Business Services Gateway 8-port (BSG8ew) and the Business Services Gateway 12-port (BSG12ew/aw/tw) with Ethernet WAN, ADSL WAN, and T1/E1 WAN: • “LEDs” on page 7 • “Power source” on page 7 • “FE LAN ports” on page 7 • “GigE LAN port[...]

  • Página 8

    8 New in this release NN47928-302 NN47928-302 GigE LAN ports The Gigabit Ethernet (Gig E) LAN port on the BSG8ew supports data transfer rates of up to 1 000 Mbit/s. For more information, see “BSG8ew ports and connecto rs” on page 14 . FXO ports Foreign Exchange Office (FXO) is the port that connects to the teleph one line coming from the Public[...]

  • Página 9

    New in this release 9 Installation Rack-mount shelf You can mount the BSG8ew/1 2ew/aw /tw unit into a standard 19-i nch equipment rack. Fo r more information see “Rack-mount shelf kit” on page 20 and “Installing the BSG8ew/12ew/aw/tw in an equipment rack” on page 41 . Wall-mount bracket You can mount a BSG8ew into a wall-mou nt bracket. Th [...]

  • Página 10

    10 New in this release NN47928-302 NN47928-302[...]

  • Página 11

    11 Installation Hardware overview The Business Services Gateway 8-port (BSG8e w) and Business Services Gateway 12-port (BSG12ew/aw/tw) are integrated multiservice gate way products that provide application-level support for voice, data, and vide o. The three product variations offered for the BSG12ew/aw/tw are the BS G12ew with Ethernet WAN, BSG12a[...]

  • Página 12

    12 Hardware overview NN47928-302 NN47928-302 • power supply (with country-specific power cord) • four rubber feet • 1 x DC barrel co nnecto r retention plastic clip • 1 x omni-directional antenna in plastic bag • Quick Install Guide (NN47928-300) • Regulatory and Safety Information Sheet (NN47928-101) The BSG12ew/aw/tw ships with th e f[...]

  • Página 13

    Hardware overview 13 Installation • 1 x Console Cable assembly FRU • two antenn as The BSG12tw has the following FRUs: • BSG12ew/aw/tw power supply • country-specific power cords • 1 x WiFi module FRU • 1 x Console Cable assembly FRU • two antenn as[...]

  • Página 14

    14 Hardware overview NN47928-302 NN47928-302 Product description For BSG8ew ports and connectors, see BSG8ew ports and connectors (page 14) . BSG8ew ports and connec tors For BSG12tw ports and conn ectors, see “BSG12tw ports and co nnectors” on page 15 . FXS ports (analog phones) Emergency port for 911 support FXO port (analog line) FE WAN port[...]

  • Página 15

    Hardware overview 15 Installation BSG12tw ports and connectors T1/E1WAN interface FXS ports FXO port Console port Link/Act LEDs FE LAN ports PoE LEDs[...]

  • Página 16

    16 Hardware overview NN47928-302 NN47928-302 The BSG12ew has eleven FE LAN ports. For this unit, the twelfth port is used as the FE WAN interface. For BSG12ew ports and connector s, see “BSG12ew ports and conn ectors” on page 16 . BSG12ew ports and connecto rs FE LAN ports Console FXO port FXS ports FE WAN PoE LEDs Link/Act LEDs[...]

  • Página 17

    Hardware overview 17 Installation For BSG12aw ports and connectors, se e “BSG12aw ports and connectors ” on page 17 . BSG12aw ports and connecto rs FE LAN ports Console port FXO port FXS ports Link/Act and PoE LEDs ADSL/ADSL2+ WAN interface[...]

  • Página 18

    18 Hardware overview NN47928-302 NN47928-302 The following table provides descriptions of the componen ts of the BSG8ew/12ew/aw/tw faceplates. Component Bsg8 ew or BSG 12ew/tw/aw Description Power and system LEDs Both show the power and system status Power Over Ethernet (PoE) LEDs BSG12ew/aw/tw only indicate that th e associ ated port is receiving [...]

  • Página 19

    Hardware overview 19 Installation FXO port All BSG units have one Foreign Exchange Office (FXO) po rt that connects to the tele phone line coming from the Public Switched Telephone Netwo rk (PSTN) provider. FXS ports (2) All BSG units have two FXS ports to connect to the service provider using a single RJ45. For the BSG8, the FXS2 line maintains a [...]

  • Página 20

    20 Hardware overview NN47928-302 NN47928-302 Ha r d w a r e The following BSG8ew/12ew/aw/tw hardware ite ms simplify the setup and connection of the system: • “Rack-mount shelf kit” on page 20 • “Wall-mount bracket kit” on page 21 • “Single power supply holder” on page 22 • “Power supply” on page 22 Rack-mount shelf kit To m[...]

  • Página 21

    Hardware overview 21 Installation If more than one BSG8ew/12ew/aw/tw unit is mounted on to p of ot her units, only the unit lowest from bottom sh ould have WiFi activated to prev ent radio interference. The stacked antennas may have to be laterally adjusted. Wall-mount bracket kit Only the BSG8ew unit can be mounted on a wall. To mount a BSG8ew on [...]

  • Página 22

    22 Hardware overview NN47928-302 NN47928-302 Single power supply holder The single power supply holder en ables you to install one power su pply unit on the wall next to your BSG8ew. The power su pply holder keeps the powe r cables neatly organized . Power supply The BSG8ew is powered by a 60 W 12 V DC power supply with a power supply cord. The IEC[...]

  • Página 23

    Hardware overview 23 Installation BSG12ew/aw/tw power supply pack age 48 V DCS-type connector Power supply cable (NA shown) Power supply cord To wall outlet[...]

  • Página 24

    24 Hardware overview NN47928-302 NN47928-302[...]

  • Página 25

    25 Installation LED functionality The Business Services Gateway 8-port (BSG8e w) a nd Business Services Gateway 12-port (BSG12ew/aw/tw) have LEDs that indicate the stat us of the power, sys tem, and the ports. The LEDs are • “Power and system LEDs” on page 25 • “LAN port LEDs” on page 26 • “FXS and FXO ports LEDs” on page 28 • ?[...]

  • Página 26

    26 LED functionality NN47928-302 NN47928-302 LAN port LEDs Each BSG unit has an LED that indicates lin k activity. Each BSG12ew/aw/tw unit has an additional LED that indicates whether po wer over internet (PoE) is enabled. BSG8ew Link Activity LEDs Each LAN port on the BSG8ew/12ew/aw/tw has on e LED that indicates link activity. This LED turns on w[...]

  • Página 27

    LED functionality 27 Installation The following table shows the status of lin k activity for the BSG8ew WAN port LED: BSG12ew/aw/tw link ac tivity and PoE LEDs Each LAN port on the BSG12ew/aw/tw has one LED that indicates link activity and one PoE LED. The link activity LED turns on when an Ethe rnet cable is connected to the corresponding port. Th[...]

  • Página 28

    28 LED functionality NN47928-302 NN47928-302 BSG12ew/aw/tw POE LEDs The following table shows the LED colour and status for the BS G12 FE port LE D: FXS and FXO ports LEDs The BSG8ew/12ew/aw/tw units have an LED for each analog teleph ony port. For more information about the LEDs, see “BSG8ew FXS and FXO port LEDs” on page 29 , “BSG12ew/aw/ t[...]

  • Página 29

    LED functionality 29 Installation BSG8ew FXS and FXO port LE Ds BSG12ew/aw/tw FXS and FXO port LEDs WAN port LEDs The BSG8ew has two LEDs for the WAN port . For more information about the LEDs, see “BSG8ew FE WAN interface LEDs” on page 30 , “BSG12ew/aw/tw WAN interface LEDs” on page 31 and the following tables. LED Status Description Green[...]

  • Página 30

    30 LED functionality NN47928-302 NN47928-302 BSG8ew FE WAN interface LEDs 10 Link/Activity status 100 Link/Activity status[...]

  • Página 31

    LED functionality 31 Installation BSG12ew/aw/tw WAN interface LEDs Link/Act LED Status Description Green On The WAN po rt is operating at 100 Mb/s. Green Flashing The WAN port is sending or receiving data. Green Off The WAN port is not opera ting. Link/Act LED Status Description Amber On The WAN po rt is operating at 10 Mb/s. Amber Flashing The WAN[...]

  • Página 32

    32 LED functionality NN47928-302 NN47928-302 VoIP1000 (FXO/FXS) No LEDs E1/T1 * 2 Bi-color LED Solid green The E1/T1 line is synchronized with the BSG. Solid amber The E1/T1 line is not synchronized with the BSG. Blink amber The E1/T1 is remote loopback. Modem (RJ11 rear) No LEDs System LED1 Bi-color LED Solid green All BSG8ew/12ew/aw/tw services a[...]

  • Página 33

    33 Installation Installation and basic configuration Install the Business Services Gateway 8-port (B SG8ew) or Business Services Ga teway 12-port (BSG12ew/aw/tw) hardware and power supply and connect the cables for analog telephones and lines, the LAN, and the WAN. Installation and basic configuration prerequisites • Determine the location for th[...]

  • Página 34

    34 Installation and basic configuration NN47928-302 NN47928-302 • You can connect the po wer supply to a power ba r. The total length of the power cables from the power supply to the electrical outlet (inclu ding power bar) must not exceed 2 m (6.5 ft). You must use a power bar approved by an appr opriate National Test Body, with a third-wire gro[...]

  • Página 35

    35 Installation Installation options The following sections describe the various physi cal installation options for the Business Services Gateway 8-port (BSG8ew) and the Business Services Gateway 12-port (BSG12ew/aw/tw). Installation options navigation • “Prerequisites to installa tion options” on page 35 • “Installing the BSG8ew/12ew/aw/[...]

  • Página 36

    36 Installation options NN47928-302 NN47928-302 Installing the BSG8ew /12ew/aw/tw on a desktop or shelf Use this procedure to install a BSG8ew/12ew/aw/tw on a desktop or shelf. Prerequisites • Obtain the four supp lied rubber feet for the BSG8ew/12ew/aw/tw. Procedure steps Step Action 1 If installing the BSG8ew, insert th e power supply retention[...]

  • Página 37

    Installation options 37 Installation Installing the BS G8ew on a wall Use this procedure to install a BSG8ew on a wall. The BSG1 2ew/ aw/tw cannot be installed on a wall. Prerequisites • Obtain a Wall-Mount Assemb ly Kit (NTBU1225), which contains the door, t he power supply holder, and the wall-mount bracket. • Nortel recommends you use a plyw[...]

  • Página 38

    38 Installation options NN47928-302 NN47928-302 4 Open the cable ma nagement door . 5 Use two of the supplied screws to attach the wall-mount bracket to the wall through the cable trou gh. 6 Use three of the supplied screws to att ach the upper portion of the wall-mount bracket to the wall as sho wn in the fo llowing figure . Leave ap proximately 0[...]

  • Página 39

    Installation options 39 Installation 11 Slide the wall-mount lock fully to the ri ght (unlock position) as shown in the following figure. 12 Align the feet on the unit with the four hole s in the wall-mount bracket. 13 Press the unit against the wall-mount bra c ket and slide the unit down until it clicks in place.[...]

  • Página 40

    40 Installation options NN47928-302 NN47928-302 14 Slide the wall-moun t lock to the l eft (lock p osition). 15 Use the supplied screw to secure the wall-mount lock into position. 16 Open the cable management door on the wall-mount bracket. Y ou must replace the door on the st andard small system wall-mount bracke t. The replacement door has a notc[...]

  • Página 41

    Installation options 41 Installation 22 Attach the ante nna to the antenna adapte r so that the antenna is p a rallel with BSG8ew. 23 Place the power supply mounting bracket on the wall close to the BSG8ew. The power supply must be within 1.5 m (5 f t) of the BSG8ew and within 1.5 m (5 ft) of the AC power outlet. The bracket can be mo unted horiz o[...]

  • Página 42

    42 Installation options NN47928-302 NN47928-302 4 Place the BSG8ew/12ew/aw/tw on the rack so that th e feet of the unit are in th e depressions in the shelf. 5 Move the unit fo rward until the feet to uch the front side of the depressio ns, and then slide the unit back until the fe et click in place on the slots in the depressions. 6 T o further se[...]

  • Página 43

    Installation options 43 Installation Installing the BSG8ew /12ew/aw/tw on top of another unit Use this procedure to install a BSG8ew/12ew/aw/tw on top of a BCM50 or BES50 in a desktop or rack-mount installation. Procedure steps Step Action 1 If installing the BSG8ew, insert th e power supply retention clip. The BSG12ew/aw/tw uses a dif ferent pow e[...]

  • Página 44

    44 Installation options NN47928-302 NN47928-302[...]

  • Página 45

    45 Installation Cable connection The following sections describe how to connect power, LAN devices, an alog lines, and analog telephones to the Business Services Gateway 8-port (BSG 8ew) and the Business Services Gateway 12-port (BSG12ew/aw/tw ) and how to connect the BSG8 ew and the BSG12ew/aw/tw to the WAN and LAN. For t he BSG12ew/aw/tw, the fol[...]

  • Página 46

    46 Cable connection NN47928-302 NN47928-302 4 Plug one end of the power-supply cable into the BSG8 ew power supply . 5 Plug the other end of the power-supply cable into the AC power source (wall outlet). The BSG8ew boot s and the system LED turns solid green. End Connecting power to the BSG12ew/aw/tw Use this procedure to connect power to the BSG12[...]

  • Página 47

    Cable connection 47 Installation 4 Connect the T1 connection. The PSTN provider brings the adapte r box (RJ48<->RJ45) at the SMB premises to expose native RJ45 type connectors and connect to the BSG12tw W AN. Refer to the document ation for your W AN edge device for proper setup and configuration of the device. End Connecting the BSG8ew/1 2ew[...]

  • Página 48

    48 Cable connection NN47928-302 NN47928-302 Connecting the BSG8ew/12ew/ aw/tw PSTN Central Office Use this procedure to connect the BSG8ew /12ew/aw/tw PSTN Central Office (CO). Prerequisites • Connect power to the BSG8ew/12ew/aw/tw. • Obtain a telephone cable w ith an RJ-11 modular jack. Procedure steps Step Action 1 Plug the RJ-1 1 modular wal[...]

  • Página 49

    Cable connection 49 Installation Procedure steps Step Action 1 Connect one end of the RS232 cable to the serial port of the laptop. 2 Connect the other end of the RS232 cable to th e console port of the BSG12ew/ aw/tw. End Variable definitions Use the data in the following table to help yo u connect the console to the BSG12ew/aw/tw for debugging pu[...]

  • Página 50

    50 Cable connection NN47928-302 NN47928-302[...]

  • Página 51

    51 Installation System verification The following sections describe how to test the basic functionality of the Business Services Gateway 8-port (BSG8ew) and the Business Services Gateway 12-port (BSG12ew/aw/tw). System verification navigation • “Verifying the physical system status” on page 51 Prerequisites for system verification • The BSG[...]

  • Página 52

    52 System ver ificati on NN47928-302 NN47928-302[...]

  • Página 53

    53 Installation Power supply replacement The following sections describe how to replace the power supply in a Business Services Ga teway 8-port (BSG8ew) and the Business Services Gateway 12-port (BSG12ew/aw/tw). Power supply replacement navigation • “Removing the power supply” on page 53 • “Connecting the new power supply ” on page 54 P[...]

  • Página 54

    54 Power supply repla cement NN47928-302 NN47928-302 Procedure steps Step Action 1 Remove the telephony a nd data ne tworking lines from the BSG8ew/12ew/aw/ tw . 2 While removing a BSG8ew, rotate the power supply re tention clip to free the power supply cord. 3 Remove the power supp ly cord from the BSG8ew/12ew/aw/tw . 4 Remove the power supply cor[...]

  • Página 55

    55 Installation ADSL WAN module replacement The following sections describe how to replace the ADSL WAN module in a Business Se rvices Gateway 12-port (BSG12aw). ADSL WAN module replacement navigation • “Saving the running configuration to Flash using the WebUI” on page 55 • “Saving the running configuration to Flash using the CLI” on p[...]

  • Página 56

    56 ADSL WAN module replacement NN47928-302 NN47928-302 Variable definitions Use the data in the following table to use the fields in the logon page. Saving the running configurat ion to Flash using the CLI Use this procedure to save the runn ing configuration using the CLI. Procedure steps Step Action 1 Launch an SSH session. 2 Log on to the BSG12a[...]

  • Página 57

    ADSL WAN module repla cement 57 Installation 1 Use a Phillips screwdriver to remove the sc rews on either side of the ADSL WAN module. Y ou will feel the screws disenga ge when you have suf ficiently loosened them. 2 Gently remove the ADSL W AN module from the faceplate. 3 Slide the BSG12aw ADSL WAN Replaceme nt Module (NT5S21ZCE6) into the ADSL W [...]

  • Página 58

    58 ADSL WAN module replacement NN47928-302 NN47928-302 Variable definitions Use the data in the following table to use the fields in the logon page. Variable Value User Name Specify the user name. The default logon name is nnadmin. Password Specify the password. The default password is PlsChgMe!.[...]

  • Página 59

    59 Installation WiFi module replacement The following sections describe how to replace the WiFi module in a Business Services Gate way 12-port (BSG12ew/aw/tw). WiFi module replacement navigation • “Saving the running configuration to Flash using the WebUI” on page 59 • “Saving the running configuration to Flash using the CLI” on page 60[...]

  • Página 60

    60 WiFi module replacemen t NN47928-302 NN47928-302 Variable definitions Use the data in the following table to use the fields in the logon page. Saving the running configurat ion to Flash using the CLI Use this procedure to save the runn ing configuration using the CLI. Procedure steps Step Action 1 Launch an SSH session. 2 Log on to the BSG12ew/a[...]

  • Página 61

    WiFi module replacement 61 Installation Procedure steps Step Action 1 Unscrew and remove the two antenna s. 2 Use a Phillips screwdriver to remove the screws on either side of the WiFi module. Y ou will feel the screws disenga ge when you have suf ficiently loosened them. 3 Gently remove the WiFi module from the face plate. 4 Slide the BSG12ew/aw/t[...]

  • Página 62

    62 WiFi module replacemen t NN47928-302 NN47928-302 If the unit was previo usly config ured, attemp t to connect with th e previous settings. If not previously configured, or if you cannot connect with your PC or laptop, navigate to the Quick S tart Wizard and fo llow the wizard instructions on the GUI to reconfigure your settings. End Variable def[...]

  • Página 63

    63 Installation Basic procedures The following sections describe basic procedures th at you use to prepare the Business Services Gateway 8-port (BSG8ew) and Busine ss Serv ices Gateway 12-port (BSG12ew/aw/tw) for maintenance and restarting the BSG8ew or BSG12ew/aw/tw after maintenance. Basic procedures navigation • “Shutting down the BSG8ew /12[...]

  • Página 64

    64 Basic proced ures NN47928-302 NN47928-302 End Removing a rack-mount ed BSG8ew/12ew/aw/tw Use this procedure to remove a rack-mounted BSG8ew/12ew/aw/tw. Procedure steps Step Action 1 Remove all of the cables from the unit. T o disconn ect cables, see “Disconnecting th e cables” on p age 65 . 2 If the unit is mounted on top of another unit, sl[...]

  • Página 65

    Basic procedures 65 Installation 1 Remove all of the cables from the unit. T o disconn ect cables, see “Disconnecting th e cables” on p age 65 . 2 If a unit is mounted to the top of anothe r unit, slide that unit forward until it disengages fro m the clips on the lower unit. Lif t the unit of f of the top of the lower unit. 3 Lift the unit of f[...]

  • Página 66

    66 Basic proced ures NN47928-302 NN47928-302[...]