Multitech MULTIVOIP MVP-810ST Guía de usuario descargar pdf (Pagina 463)

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MultiVOIP User Guide Operation & Maintenance

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might indicate that a phone is off hook (FXS) or that an incoming ring is

present (FXO). The IFM receives operating instructions from the voip’s

main processor. For example, the IFM might be instructed to ring the

phone (FXS) or seize the line (FXO). The IFM contains a codec

(coder/decoder) to convert the incoming audio to a PCM stream (pulse

code modulation) which it sends to the DSP (digital signal processor).

The IFM’s codec also converts outgoing PCM to audio.

The firmware of the IFMs will change from time to time and you may

need to upgrade the firmware on your MultiVOIP unit. To do so,

follow these instructions.

1. In the System Information screen of the MultiVOIP Configuration

software, check the version number of the IFM firmware already

installed on the MultiVOIP unit. Write down the version number.

2. Exit the Configuration software program. The MultiVoip

Configuration program must be off when invoking the Download

IFM Firmware command. If it is on, the command will not work.

3.To invoke the Download IFM Firmware command, go to Start |

Programs | MVP____ x.xx | Download IFM Firmware.

4. A warning window will appear: “Downloading IFM Firmware will

reboot the MultiVOIP. Do you want to continue?” Click OK.

4. The “Boot” LED on the front panel of the MultiVOIP will come on.

5. The software will search for an IFM firmware file to use to upgrade

the system. If the file found represents firmware newer than that

already installed on the MultiVOIP (or if you want to overwrite the

same version of firmware) click Open.

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