Receiver Subsystem Troubleshooting; Receiver Subsystem Led Status Chart - GE ApexPro TT Technical Manual

Receiver subsystem troubleshooting

Receiver Subsystem LED status chart

LED
System
Status
Receiver 1
Receiver 2
Receiver 3
Receiver 4
Link/Collision
Transmit/
Receive
2001989-351A
Transmitter
TTX number
Acceptance criteria
The transmitter's carrier level should be 30 dB or more below the transmitter's
modulated output. For example, if a transmitter's modulated output is -55 dB, its
carrier level should be -85 dB or lower. If the carrier level is higher, the transmitter
needs repair.
Flashing
Solid Green
Green
Normal System
Operation Initialization
Normal Module 1
Operation Initialization
Normal Module 2
Operation Initialization
Normal Module 3
Operation Initialization
Normal Module 4
Operation Initialization
Link N/A
Established
N/A Ethernet
Transmission
Transmitter
carrier level (dB)
serial number
Solid Yellow
System Error – Software updating or
System Halted
Blink rack command at CIC Pro
Module 1 Error Single Receiver Error on
Module 1 or
Blink rack command at CIC Pro
Module 2 Error Single Receiver Error on
Module 2 or
Blink rack command at CIC Pro
Module 3 Error Single Receiver Error on
Module 3 or
Blink rack command at CIC Pro
Module 4 Error Single Receiver Error on
Module 4 or
Blink rack command at CIC Pro
N/A Ethernet Collision Occurred
N/A Ethernet Reception
ApexPro™
Troubleshooting
Transmitter
Transmitter
modulated data
level (dB)
from step 13
from step
Flashing Yellow
19
Blank
Power off
Not installed
Not installed
Not installed
Not installed
Not
connected to
host
No transmit
or receive
5-13