Specifications

310HD, 320HD and 420HD IP Phones
39.2.4 Red-Color LEDs Test
Upon the completion of the Green-Color LEDs test (in the previous section), perform the
Red-color LEDs test for verifying that the red light is functioning for the phones LEDs.
To test the LEDs for red-color lighting:
1. Press any key; all the LEDs turn red, as shown in the figure below:
Figure 39-18: Red LEDs Test
2. Continue with the Handset test in Section 39.2.5 on page 247.
Administrator's Manual 246 Document #: LTRT-09910