3  MP-124 Hardware Installation 
This chapter describes the MP-124 hardware installation. 
 
3.1  Physical Description 
The subsections below provide a physical description of the MP-124 front and rear panels. 
 
3.1.1  MP-124 Front Panel 
The MP-124 front panel, shown in the figure below provides LEDs for indicating various 
operating statuses, and a reset button.  
Figure  3-1: MP-124 Front Panel 
 
3.1.1.1  Reset Pinhole Button 
The MP-124 reset pinhole button enables you to reset the device or restore the device to 
factory default settings. For more information, refer to the User's Manual. 
3.1.1.2  LEDs Description 
The MP-124 LEDs are described in the table below. 
Table  3-1: MP-124 Front-Panel LEDs Description 
Label  Color  State  Function 
Ready 
Green  On  Device powered on, self-test OK. 
Orange  Blinking  Software loading/initialization. 
Red  On  Malfunction. 
LAN 
Green  On  Valid 10/100Base-TX Ethernet connection. 
Red  On  Malfunction. 
Control 
Green  Blinking  Sending and receiving SIP messages. 
-  Off  No traffic. 
Data 
Green  Blinking  Transmitting RTP packets. 
Red  Blinking  Receiving RTP packets. 
-  Off  No traffic.