ADC Telecommunications Inc. DVLRCSSMR Benutzerhandbuch
ADCP-75-134 • Issue A • April 2002 • Section 5: Maintenance
Page 5-4
©
©
2002, ADC Telecommunications, Inc.
Table 5-2. Spectrum Transport Module LED Indicators
INDICATOR
COLOR
DESCRIPTION
AC
POWER
Green
Red
Red
Indicates
if the STM is powered by the AC power source or
the
back-up battery system.
The
STM is powered by the AC power source.
The
STM is powered by the back-up battery system.
STANDBY
Green
(blinking)
Yellow
(blinking)
Red
(blinking)
Off
Indicates
if the STM is in the standby, normal, test, or pro-
gram
load mode.
The
STM is in the standby mode.
The
STM is in the program load mode.
The
STM is in the test mode.
The
STM is in the normal mode.
HOST
UNIT
Green
Yellow
Red
Yellow
Red
Indicates
if an alarm is detected at the HU.
No
alarms detected at the HU.
A
minor alarm is detected at the HU.
A
major alarm is detected at the HU.
STM
Green
Yellow
Red
Yellow
Red
Indicates
if the STM is normal or faulty.
The
STM is normal.
The
STM is over temperature or the fan has failed.
Internal
fault detected in the STM.
PA
Green
Yellow
Red
Yellow
Red
Indicates
if the LPA is normal, over temperature, has a fan
failure,
or is faulty.
The
LPA is normal.
The
LPA is over temperature or the fan has failed.
Internal
fault detected in the LPA.
VSWR
Green
Red
Red
Indicates
if the forward path VSWR is above or below the
threshold.
The
VSWR is below the threshold.
The
VSWR is above the threshold.
PORT
1/PORT 2
Green
Red
Red
Indicates
if the forward path optical signal received from
the
HU is normal, if no signal is detected, or if errors are
detected.
The
The
forward path optical signal is normal.
No
forward path optical signal is received or excessive errors
are
detected.
PORT
3
(diversity
units
only)
Green
Yellow
Yellow
Indicates
if the diversity reverse path optical signal
received
by the HU is normal, if no signal is detected, or if
errors
are detected.
The
diversity reverse path optical signal is normal.
No
diversity reverse path optical signal is received or exces-
sive
errors are detected.