150-431-115-01, Revision 01
Maintenance
HLU-431 List 1E
September 22, 1998
19
S
ET
C
LOCK
Press
from the Maintenance Terminal Main Menu to open the Set Clock screen (
Figure 10.
Set Clock Screen
HDU1
Network Doubler 1 Loopback
Loopback at Doubler #1 towards network initiated by IOR code or HLU-231 front
panel MANUAL LOOPBACK push-buttons or maintenance terminal (Figure 15).
HDU2
Network Doubler 2 Loopback
Loopback at Doubler #2 towards network initiated by IOR code or HLU-231 front
panel MANUAL LOOPBACK push-buttons or maintenance terminal (Figure 15).
CLOC
Customer Local Loopback
Loopback at HRU-412 (local) towards CI initiated from CPE by ILR code or HLU-231
front panel MANUAL LOOPBACK push-button or maintenance terminal (Figure 15).
CREM
Customer Remote Loopback
Loopback at HLU-231 List 1E (remote) towards customer initiated by IOR code or
HLU front panel MANUAL LOOPBACK push-buttons, or maintenance terminal
(Figure 15).
CDU 1
Customer Doubler 1 Loopback
Loopback at Doubler 1 towards CI initiated by ILR code, HLU-231 front panel
MANUAL LOOPBACK push-buttons, or maintenance terminal (Figure 15).
CDU 2
Customer Doubler 2 Loopback
Loopback at Doubler 2 towards CI initiated by ILR code, HLU-231 front panel
MANUAL LOOPBACK push-buttons, or maintenance terminal (Figure 15).
ARM
Armed
The HiGain system has detected the IR loopback (2 in 5) arming code.
TLOS
Transmit Loss of Signal
Loopback
HRU-412 is in a logic loopback state caused by a loss of its T1 input from the CI, if
enabled at the HRU-412 via its TLOS switch option.
Table 8.
HLU-431 Status Menu Messages: Alarms (Cont.)
Message
Full Name
Description
SET CLOCK
TIME: 00:14:33
DATE: 02/02/98
CIRCUIT ID#:
Format: HH:MM
MM/DD/YY
NEW TIME:
NEW DATE:
(U)PDATE REMOTE?
