Hardware manual

Issue 8 Electra Elite
5 - 64 Installing Electronic Telephone Units
Positions 5 & 6 Not Used
Position 7 Inspection Mode in production line
4.12.4 LED Indications
Table 5-24 PRT(1)-U( ) ETU LED Indications
LED Description On Flashing Off
LIVE ETU status Operation stopped
(Power On)
Normal Operation No Power
LED Channel/Trunk Status On (Alarms)
SW2 Position 0
On
SW2 Position 1
On
SW2 Position 3
LED 1 Channel 1 Layer 1 Active Channel Busy CO Trunk 1 Busy
LED 2 Channel 2 SLIP Channel Busy CO Trunk 2 Busy
LED 3 Channel 3 RAI Channel Busy CO Trunk 3 Busy
LED 4 Channel 4 LOF Channel Busy CO Trunk 4 Busy
LED 5 Channel 5 AIS Channel Busy CO Trunk 5 Busy
LED 6 Channel 6 CRC Error Channel Busy CO Trunk 6 Busy
LED 7 Channel 7 Active Call Channel Busy CO Trunk 7 Busy
LED 8 Channel 8 Not Used Channel Busy CO Trunk 8 Busy
LED 9 Channel 9 Not Used Channel Busy CO Trunk 9 Busy
LED 10 Channel 10 Not Used Channel Busy CO Trunk 10 Busy
LED 11 Channel 11 Not Used Channel Busy CO Trunk 11 Busy
LED 12 Channel 12 Not Used Channel Busy CO Trunk 12 Busy
LED Channel/Trunk Status N/A On
SW2 Position 2
On
SW2 Position 4
LED 1 Channel 13 N/A Channel Busy CO Trunk 13 Busy
LED 2 Channel 14 N/A Channel Busy CO Trunk 14 Busy
LED 3 Channel 15 N/A Channel Busy CO Trunk 15 Busy
LED 4 Channel 16 N/A Channel Busy CO Trunk 16 Busy
LED 5 Channel 17 N/A Channel Busy CO Trunk 17 Busy
LED 6 Channel 18 N/A Channel Busy CO Trunk 18 Busy
LED 7 Channel 19 N/A Channel Busy CO Trunk 19 Busy
LED 8 Channel 20 N/A Channel Busy CO Trunk 20 Busy
LED 9 Channel 21 N/A Channel Busy CO Trunk 21 Busy
LED 10 Channel 22 N/A Channel Busy CO Trunk 22 Busy