Reference Manual D AD 3220 B Version 1.0
Alarm/LED Status Indicators
The D AD 3220 B module has built in LED indicators, which serve as alarm and status indication for the module. Function is described below. The Indicators are found on the bottom of the module and can be seen through the access holes provided. (fig2)
Module Edge Status LED
Channel Status LED`s are provided on the module edge, which has three color states. LED 1 is for AES in 1 and LED 2 is for AES in 2.
Note. When in 1:8 mode LED2 is always OFF
Channel 2 Status |
|
|
|
|
|
|
|
|
| Channel 1 Status | ||||||
|
|
|
| DIP Switch |
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
|
|
|
| OFF |
| ||
|
|
|
|
|
|
|
|
|
|
|
|
| ON |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
| LED 2 | 1 2 3 4 |
|
| LED 1 |
| ||||||||||
|
|
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
| |||||||||||
LED Color | Indication |
|
|
|
| |||||||||||
Green | Input Signal Present / locked | |||||||||||||||
Yellow | AES errors (Parity errors) | |||||||||||||||
Red | Input signal not present / not locked | |||||||||||||||
Front Panel Alarm Indicator
There is also a single alarm LED on the front side of the module, which is designed for quick and easy indication of a problem condition.
LED Color
Indication
Green | Input signals present |
Yellow | One input missing / errors (only in dual |
| mode) |
Red | Input signals lost |
LED OFF indicates power is lost, or there is a power supply fault.
Page 18
