ADC HiGain HRU-402 Quick Installation page 6

Menu Item
View Span Status
Set Clock
System Settings
Loopback Mode
View Performance Data
View Performance
History
View Alarm History
View System Inventory
View Troubleshooting
Remote Logoff
(a) If the HLU does not have remote provisioning or its remote provisioning option is disabled, the HRU
cannot modify these settings.
L
OOPBACK
Initiate loopback testing from the HiGain maintenance menus or by using inband codes.
The inband codes shown below can be sent by a test set.
CREM
NLOC
NDU1
HLU
Network
Loopback Inband Code
NDU1 110000
NDU2 111000
NDU3 1010001
NDU4 1010010
NREM 1110000
SMJK 11000
CLOC 1111100
CDU1 111100
CDU2 111110
CDU3 1011001
CDU4 1011010
CREM 1111110
Loopdown 11100
Table 1. Remote Terminal Main Menu Items
Allows viewing of span status from the HLU to the HRU-402 (non-doubler
applications) and from any doubler spans (multi-span applications).
Allows setting of time and date parameters at the HRU.
Allows viewing and setting of all system settings.
Allows system loopbacks to be initiated.
Allows viewing of the Errored Seconds (ES) and Unavailable Seconds (UAS) for
the HLU to HRU-402 span (non-doubler applications) and any additional spans
(doubler applications) in 15-minute intervals over a 4-hour time period.
Allows viewing of the ES and UAS for the HLU to HRU-402 span (non-doubler
applications) and any additional spans (doubler applications) in 24-hour intervals
over a 31-day period.
Allows viewing of alarm conditions for the HLU to HRU-402 span (non-doubler
applications) and any additional spans (doubler applications).
Displays the model number, serial number, and ID of all units in the circuit.
Provides a graphical analysis of the circuit and identifies problem areas.
Terminates the remote session.
T
ESTING
CDU1
NDU2
HDU1 HDU2
Table 2. GNLB Loopback Commands
Description
DSX-1 signal is looped back to the network at HDU1.
DSX-1 signal is looped back to the network at HDU2.
DSX-1 signal is looped back to the network at HDU3.
DSX-1 signal is looped back to the network at HDU4.
DSX-1 signal is looped back to the network at the HRU.
DSX-1 signal is looped back to the network at the HRU SmartJack module.
Signal from customer is looped back to the customer at the HRU.
Signal from customer is looped back to the customer at HDU1.
Signal from customer is looped back to the customer at HDU2.
Signal from customer is looped back to the customer at HDU3.
Signal from customer is looped back to the customer at HDU4.
Signal from customer is looped back to the customer at the HLU.
Deactivates any of the above loopbacks.
Function
CDU2 CDU3
NDU3
HDU3
(a)
(a)
CDU4 NREM
SMJK
NDU4
TLOS
HDU4
CLOC
HRU
Customer
Premises