Cisco ASR 920 series Посібник - Сторінка 33

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Installing the Cisco ASR 920 Series Router

SUMMARY STEPS

1. Execute the eject usb0: command before removing the USB from the router.

2. Pull the memory stick from the USB port.

3. To replace the Cisco USB Flash memory stick, simply insert the module into the USB port labeled USB

MEM, as shown in the figure above. The Flash memory module can be inserted only one way, and can

be inserted or removed regardless of whether the router is powered up or not.

DETAILED STEPS

Step 1

Execute the eject usb0: command before removing the USB from the router.

Example:

rommon 2 > eject usb0

rommon 2 >

If you do not run this command before removing the USB, the following error message is displayed:

rommon 2 > dir usb0:

usb_stor_BBB_comdat:usb_bulk_msg error

failed to send CBW status 34

RESET:stall

usb_stor_BBB_comdat:usb_bulk_msg error

failed to send CBW status 34

RESET:stall

usb_stor_BBB_comdat:usb_bulk_msg error

Step 2

Pull the memory stick from the USB port.

Step 3

To replace the Cisco USB Flash memory stick, simply insert the module into the USB port labeled USB MEM, as shown

in the figure above. The Flash memory module can be inserted only one way, and can be inserted or removed regardless

of whether the router is powered up or not.

This completes the USB Flash memory installation procedure.

Connecting Timing Cables

The following sections describe how to connect timing cables to the Cisco ASR 920 Series Router:

Connecting a Cable to the BITS Interface

The following steps describe how to connect a cable to the router's BITS port:

SUMMARY STEPS

1. Confirm that the router is powered off.

2. Connect one end of the cable to the BITS port using a straight-through, shielded RJ48C-to-RJ48C cable.

3. Connect the other end to the BTS patch or demarcation panel at your site.

4. Turn on the power to the router.

Connecting Timing Cables

Installing the Cisco ASR 920 Series Router