ADC 2 Network Card User Manual


 
Loopback Operation in HiGain Systems LTPH-UM-1234-01
22 April 30, 2003 HDU-409 Lists 1, 2, and 3
LOOPBACK OPERATION IN HIGAIN
S
YSTEMS
When equipped with the HDU-409 a HiGain system can execute the types of
loopbacks listed in Table 7.
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.