Section B - Status Signaling; Front Panel Leds - Cisco D9040 User And Service Manual

Front Panel LEDs

Overview
To help signal the status of operation or the presence of an alarm the D9040 Encoder
makes use of front panel LEDs.
The drawing below shows the LEDs on the front panel of the D9040 Encoder.
LED Function
The function of the LEDs is described in the table below.
LED
POWER
ALARM
4020024 Rev C

Section B - Status Signaling

Signal Explanation
Green The D9040 Encoder is
correctly powered
Off There is no power present.
Red An A-alarm is active.
Off No A-alarm is active.
Service and Maintenance
ALARM
SELECT
POWER
N/A
Check the AC line supply.
See the explanation/remedy
in Messages, page 5-8.
N/A
Remedy
5-7