CHAPTER3 Physical Description
Mediant 1000 Gateway & E-SBC | Hardware Installation Manual
Color State Description
■ LOF - Loss of Frame
■ AIS - Alarm Indication Signal (the Blue Alarm)
■ RAI - Remote Alarm Indication (the Yellow Alarm)
- Off Failure / disruption in the AC power supply or the power is currently
not being supplied to the device through the AC power supply entry.
Media Processing Module (MPM)
The device supports up to four MPMs for providing additional DSP resources for applications
such as SBC transcoding or three-way conferencing. Depending on required configuration, the
MPM can be housed in chassis slots 1 through 5. For guidelines on slot assignment for MPM
modules, see Front-Panel Module Slot Assignment.
For a description on channel resources using MPMs, refer to the device's User's
Manual.
Figure 3-6: Media Processing Module (MPM)
The module features a LED, described in the following table.
Table 3-7: MPM LED Description
Color Description
Green Following insertion of the MPM into the slot and an automatic hardware
compatibility check, the LED lights up green to indicate (1) that the general
status of the MPM is 'OK' and (2) that the device supports the module.
Red If the LED lights up red following insertion of the MPM into the slot and the
automatic hardware compatibility check, it indicates that the status of the MPM
is 'General Failure', i.e., a hardware compatibility problem occurred or the DSPs
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