Provisioning
150-231-181-01, Revision 01
28
September 7, 1999
HLU-231 List 8A
Initiating a Loopback
To send one of the available loopbacks, press the appropriate letter in the Loopback Menu. The following prompt
appears:
PERFORM SELECTED LOOPBACK (
OR
)?
Type
to continue with the loopback selection. The
following message appears:
PLEASE WAIT................
A series of dots moves from left to right indicating that the command has been issued. When this process
completes, the system returns to the Maintenance Terminal Main Menu. The selected loopback four letter
designation now appears in the Loopback Mode field in the Maintenance Terminal Main Menu (see
which an NLOC loopback is in progress). The loopback continues to cycle in the system depending upon your
Loopback Timeout setting.
Figure 11.
NLOC Loopback Mode Reported in the Maintenance Terminal Main Menu
Disabling a Loopback
The Disable Loopbacks option (
) allows you to disable (cancel) any of the loopbacks listed in
the screen. To disable loopbacks, press
in the Loopback Menu. The following prompt appears:
PLEASE WAIT................
A series of dots moves from left to right indicating that the command has been issued. When this process
completes, the system returns to the Maintenance Terminal Main Menu where the Loopback Mode is identified
as None.
The Loopback Menu screen is also available at the HRU connected to the HLU-231 List 8A,
therefore allowing all HiGain System loopbacks to be initiated from either end of the circuit.
Y
N
Y
HIGAIN HLU-231
MAINTENANCE TERMINAL MAIN MENU
(ver V7.2L-8A)
CIRCUIT ID#:
A. VIEW SPAN STATUS
B. SET CLOCK
C. SYSTEM SETTINGS
D. LOOPBACK MODE:
NLOC
E. VIEW PERFORMANCE DATA
F. VIEW PERFORMANCE HISTORY
G. VIEW ALARM HISTORY
H. VIEW SYSTEM INVENTORY
I. VIEW TROUBLESHOOTING
A
