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Это демонтаж а неруководство по ремонту. Чтобы отремонтировать Cisco 878 Integrated Services Router, воспользуйтесь нашим сервисным руководством.

  1. Cisco 878 Integrated Services Router Teardown, Remove the two screws on back side: шаг 1, изображение 1 из 3 Cisco 878 Integrated Services Router Teardown, Remove the two screws on back side: шаг 1, изображение 2 из 3 Cisco 878 Integrated Services Router Teardown, Remove the two screws on back side: шаг 1, изображение 3 из 3
    • Only trained and qualified personnel should be allowed to install, replace, or service this equipment!

    • During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly touch the backplane with your hand or any metal tool, or you could shock yourself!

    • Make sure that the power switch is turned to standby and that the power supply cable is disconnected. Disconnect all cables from the router back panel.

    • Use the Phillips #1 Screwdriver to remove the two screws on back side of the device.

  2. Cisco 878 Integrated Services Router Teardown, Remove top cover: шаг 2, изображение 1 из 3 Cisco 878 Integrated Services Router Teardown, Remove top cover: шаг 2, изображение 2 из 3 Cisco 878 Integrated Services Router Teardown, Remove top cover: шаг 2, изображение 3 из 3
    • 1. Gently push the top cover of the router away from you.

    • 2. Lift it up top cover from the bottom of the router.

    • 3. Remove top cover from the device.

    • Place the router bottom on an antistatic mat.

  3. Cisco 878 Integrated Services Router Teardown, Remove the three screws on front side: шаг 3, изображение 1 из 2 Cisco 878 Integrated Services Router Teardown, Remove the three screws on front side: шаг 3, изображение 2 из 2
    • Use the Phillips #1 Screwdriver to remove the three screws on front side of the device.

  4. Cisco 878 Integrated Services Router Teardown, Remove the inner metal shield: шаг 4, изображение 1 из 3 Cisco 878 Integrated Services Router Teardown, Remove the inner metal shield: шаг 4, изображение 2 из 3 Cisco 878 Integrated Services Router Teardown, Remove the inner metal shield: шаг 4, изображение 3 из 3
    • 1. Gently lift up inner metal shield from the bottom of the router.

    • 2. Remove inner metal shield from the device (see the anchors on the picture).

    • Be careful and do not distort the plates!

  5. Cisco 878 Integrated Services Router Teardown, Remove  StrataFlash Memory module: шаг 5, изображение 1 из 3 Cisco 878 Integrated Services Router Teardown, Remove  StrataFlash Memory module: шаг 5, изображение 2 из 3 Cisco 878 Integrated Services Router Teardown, Remove  StrataFlash Memory module: шаг 5, изображение 3 из 3
    • 1. Place your fingers on the levers at the two sides of the slot, and push open.

    • 2. Firmly pull the release lever away from the module until the module pops up.

    • 3. You can then remove the module from the module slot.

  6. Cisco 878 Integrated Services Router Teardown, Remove black and silver screws: шаг 6, изображение 1 из 1
    • 1. Use the Phillips #1 Screwdriver to remove the black screw.

    • 2. Use the Phillips #1 Screwdriver to remove the silver screw as shown on picture.

    • You should remove just only one silver screw - the second one is holding just cooling plate.

  7. Cisco 878 Integrated Services Router Teardown, Remove CPU module: шаг 7, изображение 1 из 3 Cisco 878 Integrated Services Router Teardown, Remove CPU module: шаг 7, изображение 2 из 3 Cisco 878 Integrated Services Router Teardown, Remove CPU module: шаг 7, изображение 3 из 3
    • Gently pull the module up to disconnect two connectors underneath.

    • Be careful and don't damage 4-pin connector (marked RED).

  8. Cisco 878 Integrated Services Router Teardown, Remove screws holding motherboard: шаг 8, изображение 1 из 1
    • Use the Phillips #1 Screwdriver to remove the two screws holding the motherboard.

    • When putting screws back, don't use force - threads are made of plastic!

  9. Cisco 878 Integrated Services Router Teardown, Remove motherboard from the case: шаг 9, изображение 1 из 3 Cisco 878 Integrated Services Router Teardown, Remove motherboard from the case: шаг 9, изображение 2 из 3 Cisco 878 Integrated Services Router Teardown, Remove motherboard from the case: шаг 9, изображение 3 из 3
    • 1. Gently lift up the board to release plastic locks.

    • 2. Gently pull the board away from backside panel (to release metal shielding locks around connectors).

    • 3. Remove board from the case.

  10. Cisco 878 Integrated Services Router Teardown, Teardown complete: шаг 10, изображение 1 из 1
    • Parts and pieces:

    • Top cover

    • Inner metal shield cover

    • Bottom part of case with metal shielding

    • Motherboard

    • SHDSL Filter Module board

    • StrataFlash Memory Module

    • 1 black screw, 1 silver long screw (1 is still on SHDSL Filter Module board), 7 silver screws

  11. Cisco 878 Integrated Services Router Teardown, Motherboard extension slots: шаг 11, изображение 1 из 1
    • mini-PCI slot for WLAN card

    • DRAM socket for additional RAM Memory Module

    • Slot for additional StrataFlash Memory Module (4MB module installed)

    • Two connectors for SHDSL Filter Module board

Jiri Altman

Участник с: 05/03/16

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Автор 9 руководств

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4k20 Repair Team Участник 4k20 Repair Team

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Sorry mate, that's not a CPU board but a SHDSL line filter. CPU is the biggest, center chip (freescale)

karmansan - Ответить

Thx for info! I will update my guide accordingly...

Jiri Altman -

is it possible to add wireless capability to this router by installing a wifi card in the empty mini PCI slot?

timber poodle - Ответить

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