Hardware manual
Issue 8 Electra Elite
5 - 126 Installing Electronic Telephone Units
7.2.4 LED Indications
Table 5-56 LED Indications
LED Description On Flashing Off
1 Link Status for ZT1
Layer 1: Up
Layer 2: Up
Layer 1: Up
Layer 2: Down
Layer 1: Down
Layer 2: Down
2 Link Status for ZT2
Layer 1: Up
Layer 2: Up
Layer 1: Up
Layer 2: Down
Layer 1: Down
Layer 2: Down
3
Not used Always Off
4
5 Status for ZT1
Refer to Table 5-57 ZT Status Table for LEDs 5 and 6
6 Status for ZT2
7
Not used Always Off
8
9 BSU Status Alarm Normal Operation Not Operating
10 LIVE
Operation stopped
(Power still on)
Normal Operation No Power