ADC and 3 Doubler Manuel D’Utilisation

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Loopback Operation in HiGain Systems
 
LTPH-UM-1234-01
22
April 30, 2003
 HDU-409 Lists 1, 2, and 3
L
OOPBACK
 O
PERATION
 
IN
 H
I
G
AIN
 
S
YSTEMS
When equipped with the HDU-409 a HiGain system can execute the types of 
loopbacks listed in 
.
The loopbacks can be initiated from any of the following:
The HLU craft port
The HLU front-panel buttons
A family of Special Loopback (SPLB) in-band commands initiated at the 
T1 input port at either the HLU or HRU
The HRU craft port, if remote provisioning is enabled from the HLU
Doubler loopbacks work only with HiGain systems. PG-Flex 
does not support doubler loopbacks.