May 2001
System Hardware Manual 5 - 159
A6-324000-642-01 – Release 4.0
May 2001
5.3.6 LED Indications
LED indications are located on both sides of the ETU as
indicated in Figure 5-32 VDH2(8)-U13 LED Indications.
Live LED indications are listed below.
✆ Blinking Red Normal Operation
✆ Steady Red Operation Stopped (power still on)
✆ Off No Power
LEDs 1~8 indication are listed below.
✆ Steady Green LAN connections on channels 1~8
are established
✆ Steady Orange LAN terminals 1~8 transmitting data
✆ Off LAN terminals 1~8 not active
LED 9 indications are listed below.
✆ Steady Red 10Base-2 sending data
✆ Off 10Base-2 not active
LED 10 indications are listed below.
✆ Steady Red Intercom terminal on some channel
in use
✆ Off No intercom terminals in use
Figure 5-32 VDH2(8)-U13 LED Indications
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