Close The Housing; Fault Isolation; Rt Status Indicators - ADC PRL-783 Manual

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SCP-PRL783-012-03H
C
H
LOSE THE
OUSING
Failure to close the Telco Access door or the RT housing cover leaves the RT interior exposed to the
environment. This shortens the life span of the RT.
1
Close the Line Module doors and the Telco Access door.
2
Tighten the screw on the Telco Access door until it is completely seated. This is to avoid interference with
the RT enclosure cover.
3
Close the RT housing cover and secure both the Telco override screw and the slotted-head Customer Access
screw.
F
I
AULT
SOLATION
The following sections detail the fault isolation procedures. For sections that indicate a condition such as "distance
limitation exceeded", refer to
RT S
I
TATUS
NDICATORS
You can view the LEDs status through the window of the RT case. These LEDs indicate system states and
subscriber line activity. The top portion of the label is a guide to the meaning of the Status LEDs (see
If the PWR LED is Off, perform the following operations:
1
Verify that the RT and its corresponding COLU are installed on the same pair.
2
Verify that the COLU is installed and turned up, and that the HDSL Periodical Power Up option is Enabled.
3
Verify that the signal loss on the pair is no more than 41 dB at 130 kHz.
4
Check for a short placed on the HDSL Tip and Ring conductors, and remove if necessary.
5
Check for HDSL cable fault, and replace if necessary.
6
Replace the RT.
7
Replace the corresponding COLU.
PG-Plus PRL-783
"Specifications 2
for the correct values.
ON:
POWER NORMAL/HDSL SYNC
POWER
FLASH:
POWER NORMAL/NO SYNC
OFF:
NO POWER
ON:
RT FAULT
STATUS
FLASH:
SUBSCRIBER DROP TEST
OFF:
NORMAL
ON:
CHANNEL(S) ACTIVE
ACTIVITY
FLASH:
RINGING
OFF:
ALL CHANNELS IDLE
Figure 11. Status Window
January 6, 2003
PG-Plus

Fault Isolation

Figure
11).
13

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