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IMPORTANT
The Telnet protocol suffers from serious security weaknesses
that limit its usefulness in environments where the network
cannot be fully trusted.
Telnet is used at your own risk.
To enable Telnet access to the unit, do the following steps:
1.
Click the -remote access link under MANAGEMENT SETTINGS
in the left-hand settings menu.
• The TELNET ACCESS dialog will be shown (see
(page 143)
2.
Enable Telnet access by checking the Enable telnet access:
check-box.
3.
Save the changed Telnet settings by clicking the Change button.
Alternatively, revert to the old password settings by clicking the
Reset button.
7.7.3. Overwriting and upgrading the unit firmware
The FIRMWARE UPGRADE window contains controls to overwrite the
device firmware of the Cisco FM4200 Fiber, or upgrade the firmware to
the latest available version.
CAUTION
Overwriting the firmware of any electronic device must be done
with great care, and always contains an element of risk.
It is not advisable to overwrite the firmware on a functioning
Cisco unit unless a specific firmware-related issue needsto
be resolved.
IMPORTANT
To access firmware image files, you need an approved
Cisco extranet account. To create an extranet account,
register for free at the
To download the needed firmware image file to your computer, do the
following steps:
1.
Navigate to
Portal.
2.
Find and open the device sub-folder for your specific Cisco
device in the FIRMWARE AND TOOLS folder.
3.
Download the firmware image (*.BIN) file to your computer.
© 2021 Cisco and/or its affiliates. All rights reserved.
Device configuration using the configurator interface
in the previous section).
Cisco Partner
the Documentation section of the Cisco Partner
Figure 57
Portal.
Page 144 of 189
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