CHAPTER6 Hardware Maintenance
Mediant 1000 Gateway & E-SBC | Hardware Installation Manual
● Bottom-row slots: Ensure that the module is orientated such that the port-number
labels are located at the top of the module's front panel. This module orientation is
considered as facing down.
5. Push the module into the slot and press on it firmly to ensure that it has been fully
inserted.
6. Using a flathead screwdriver or your fingers, tighten the module's two captive screws to
secure the module to the chassis.
Figure 6-6: Captive Screws on Module
Replacing I/O Modules
The procedure for replacing a front-panel I/O module depends on the type of module and
hardware configuration:
■ Hot-swappable modules: If the chassis houses at least two I/O modules of any of the
following types—FXS, FXO, BRI, TRUNKS, and/or MPM—you can replace any one of these
modules with a module of the same interface type and same number of ports (e.g., a 2-port
FXS module with a 2-port FXS module), using a hot-swappable process. In other words, you
can replace the module without powering down the device and thus, without affecting
other components and processes. The hot-swappable procedure includes physical removal
and insertion of the module as well as software-based removal and insertion of the module
through the Web interface.
■ Non hot-swappable modules: For all other I/O module replacement (listed below), you
must power down the device before removing the module, and then power it up again
once the new module has been installed. This enables the device to reset so that the new
hardware configuration is applied. This cold-reset replacement procedure applies to the
following modules and hardware configuration:
● CRMX module
● SWX LAN Expansion module
● Replacement of a module with a module that supports a different number of ports
and/or a different interface (e.g., replacing a 2-port FXS with a 4-port FXS module)
● Replacement of an FXS, FXO, BRI, TRUNKS or MPM module if it is the only module of
these five module types installed in the chassis (e.g., a chassis that houses only an FXS
module and a CRMX module)
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