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17Section 61182007L1-5, Issue 161182007L1-5A
Figure 21 illustrates the Alarm Options Screen. This
option allows the user to first set a 15-minute
threshold for both ES and SES alarms and
subsequently to categorize the crossing of those
thresholds as a MINOR or MAJOR alarm. Setting a
threshold to 900 will disable it.
6. HDSL DEPLOYMENT GUIDELINES
The ADTRAN HDSL system is designed to provide
E1 services over loops designed to comply with ETSI
guidelines. Deployment guidelines are given below.
1. All loops are non-loaded only.
2. For loops with 0.4 mm cable, the maximum loop
length including bridged tap lengths is 2.7 km.
3. For loops with 0.5 mm cable, the maximum loop
length including bridged tap lengths is 4.7 km.
4. Any single bridged tap is limited to 500 m.
5. Maximum number of bridged taps is 2.
7. MAINTENANCE
The ADTRAN Total Access LTU requires no routine
maintenance. In case of equipment malfunction, use
the faceplate Bantam jack connectors to help locate the
source of the problem.
ADTRAN does not recommend that repairs be
performed in the field. Repair services may be obtained
by returning the defective unit to the ADTRAN
Customer Service RMA Department.
Figure 21. Alarm Options Screen
Shelf: 1 Slot: 5 Total Access System 04/07/01 09:22
Unacknowledged Alarms: MAJOR MINOR
Circuit ID:
Alarm Options Current Settings
1. ES Alarm Level = Major
2. SES Alarm Level = Major
3. ES Alarm Threshold = 000
4. SES Alarm Threshold = 000
Selection:
‘?’ - System Help Screen