Loopback Mode Screen - ADC HiGain HLU-432 User Manual

150-432-100-02, Revision 02

Loopback Mode Screen

The Loopback Menu permits you to issue loopbacks to the HiGain system. Depending upon the number of
doublers, there can be up to five loopback screens.
Press D from the Maintenance Terminal Main Menu to display the Loopback Menu.
of a Loopback Menu when no doublers are present;
The following options are available:
• Press A to select the Disable Loopbacks option.
• B
Press to select HLU Network Loop.
•
Press C to select HRU Network Loop.
• Press G to select HLU Customer Loop.
• H
Press to select HRU Customer Loop.
•
For doubler applications, additional loopback selections appear on the screen.
• E
Press to exit and return to the previous menu.
Table 9 lists the HLU-432 Loopback field messages and descriptions.
Messages Full Name
NREM Network Remote Loopback
NLOC Network Local Loopback
CLOC Customer Local Loopback
CREM Customer Remote Loopback
NDUn Network Doubler n Loopback
CDUn Customer Doubler n Loopback
HLU-432 List 1
Figure 10
Table 9. Loopback Field Messages and Descriptions
July 18, 2002
Figure 9
shows an example when four doublers are present.
Description
Loopback at HRU (remote) towards network.
Loopback at HLU (local) towards network.
Loopback at HRU (local) towards CI.
Loopback at HLU (remote) towards CI.
th
Loopback at n doubler towards network.
th
Loopback at n doubler towards CI.
Provisioning
shows an example
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