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ADCP-61-471 • Issue 4 • June 2000 • Section 2: Operation and Maintenance
2-296
© 2000, ADC Telecommunications, Inc.
TAP-101
Page 10 of 13
Table 101-1. Alarm Descriptions/Conditions, continued
DLX ALARMS, AID = EQPT-LIU#
CONDITION DESCRIPTION
COMM FAIL MPU unable to communicate with DLX
DLX ALARMS, AID = T1
CONDITION DESCRIPTION
LOOPED BACK Signal looped back toward network
LOS DS1 Loss of Signal
T-BERL DS1 BER threshold crossed (based on BPVs)
KEY
NEND means "PM information collected directly from incoming T1 signals, both at local and remote sites."
FEND means "ESF PRM information collected at the opposite ends of spans from the affected circuit and
returned to the system via the ESF Datalink, both at local and remote sites". The framing format must be
ESF in order for FEND information to be displayed.
Note: For Site 1, FEND information is at A; for Site 2, FEND information is at 2.
11377-A
NEND NEND FEND
HRXHLXC
HLXR
FEND
REMOTE
(SITE = -2)
LOCAL
(SITE = -1)
LOOP 1
LOOP 2
LOOP 1
LOOP 2
DS1
DS1
DS1
DS1
TO NETWORK TO CUSTOMER
A
2
Figure 101-6. T1 HLXC/HRX/HLXR NEND and FEND Locations