Led Indications - NEC UX5000 Hardware Manual

Chapter 2 - PCB Installation and Startup
Switch Name
SW1 1-5
(#1/3)
6-8
SW2 1-5
(#2/4)
6-8

LED Indications

2.7.5.2
Live LED
Flashing
(1 second)
Flashing
(100 ms)
2 - 70
Switch
Position
S/T Normal - S/T point interface
U
TR ON
TR OFF
S/T Normal - S/T point interface
U
TR ON
TR OFF
LED Indication
Busy LED
(green) (red)
On On
On
Flashing
(1 second)
On
Off
Off On
Off
Flashing
(100 ms)
Result
Use DSU
Termination Resistor Set
No Termination Resistor
Use DSU
Termination Resistor Set
No Termination Resistor
Operation Status
PCB Initializing
PCB assignment refused (system
capacity exceeded or software
version incorrect)
Trouble found during self-
diagnostics routine.
Normal Operation
Blocked PCB
Downloading firmware
Comments
This is not used in the U.S.
This is not used in the U.S.
Operation Status
At least 1 channel busy
All channels idle
At least 1 channel busy
All channels idle
Chapter 2