Hardware manual

Issue 8 Electra Elite
5 - 50 Installing Electronic Telephone Units
4.9.4 LED Indications
Table 5-20 DTI-U( ) ETU LED Indications
LED Description On Flashing Off
LIVE ETU status Operation stopped
(Power On)
Normal Operation No Power
LED Channel Status On
Switch SW1-1 Off
On
Switch SW1-1 On
Off
LED 1 Channel 1 Busy LSA Alarm Idle
LED 2 Channel 2 Busy AIS Alarm Idle
LED 3 Channel 3 Busy OOF Alarm Idle
LED 4 Channel 4 Busy RAI Alarm Idle
LED 5 Channel 5 Busy CRC Alarm Idle
LED 6 Channel 6 Busy BPV Alarm Idle
LED 7 Channel 7 Busy SLIP Alarm Idle
LED 8 Channel 8 Busy N/A Idle
LED 9 Channel 9 Busy TSC Alarm Idle
LED 10 Channel 10 Busy ESA Alarm Idle
LED 11 Channel 11 Busy LOS Alarm Idle
LED 12 Channel 12 Busy N/A Idle
LED 13 Channel 13 Busy N/A Idle
LED 14 Channel 14 Busy N/A Idle
LED 15 Channel 15 Busy N/A Idle
LED 16 Channel 16 Busy N/A Idle
LED 17 Channel 17 Busy Line Loopback On Idle
LED 18 Channel 18 Busy DTE Loopback On Idle
LED 19 Channel 19 Busy N/A Idle
LED 20 Channel 20 Busy N/A Idle
LED 21 Channel 21 Busy N/A Idle
LED 22 Channel 22 Busy N/A Idle
LED 23 Channel 23 Busy N/A Idle
LED 24 Channel 24 Busy N/A Idle