Hardware Installation Manual 52 Document #: LTRT-28030
6.4 Replacing FXS Blades
The following procedure describes how to replace an FXS blade.
Warning: Power off the device when removing or installing FXS blades.
To replace an FXS blade:
1. Remove the faulty FXS blade:
a. Identify the faulty FXS blade by the color of its LED, located on the rear panel as
described in Section 3.3.4.3 on page 25.
b. Power down the device, by disconnecting the power cord from the power
source, and then unplugging the power cord from the power inlet on the Power
Supply module.
c. On the rear panel, disconnect the FXS cables from the 50-pin FXS ports on the
FXS blade. This is done by removing the captive screws, located on either side of
the Telco connector, from the blade's hex-standoff screws, using a flathead
screwdriver:
Figure 6-8: Removing 50-Pin Telco Connector
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