Motorola SG 2000 ユーザーズマニュアル
5 - 2 6 O p e r a t i o n
SG 20 00 Ins tal la tion and O pera tion M anua l
S ta tu s M on ito rin g
Table 5-10 identifies and describes the status monitor provisions built into the SG 2000 platform:
T a b l e 5 - 1 0
R e p o r t i n g a n d c o n t r o l p r o v i s i o n s
R e p o r t i n g a n d c o n t r o l p r o v i s i o n s
Parameter Desc ription
Power supply voltage
Converts the +24 V and +5 V outputs from power supply #1 and #2 to a
scaled dc voltage that is referenced to ground.
scaled dc voltage that is referenced to ground.
Power supply
presence
presence
A digital indication that is used to detect the presence of power supply
#1 and #2.
#1 and #2.
ac volts
Measures the ac voltage provided to the dc power supplies.
dc current at RF
chassis
chassis
Measures the dc current that the forward hybrid draws from the
+24 Vdc supply.
+24 Vdc supply.
dc current at optical
receiver
receiver
Measures the dc current that optical receiver A, B, or C is drawing from
the +24 Vdc supply.
the +24 Vdc supply.
Laser current
Measures the dc laser bias current for optical transmitter A or B. This is
not implemented in the digital return transmitter. The status monitor
signals are returned to the digital return receiver as part of the data
stream.
not implemented in the digital return transmitter. The status monitor
signals are returned to the digital return receiver as part of the data
stream.
Receiver optical
power
power
Measures the optical power received by the A, B or C optical receiver.
Transmitter optical
power
power
Measures the optical power emitted by the A or B optical transmitter.
This is not implemented in the digital return transmitter. The status
monitor signals are returned to the digital return receiver as part of the
data stream.
This is not implemented in the digital return transmitter. The status
monitor signals are returned to the digital return receiver as part of the
data stream.
AGC drive level
A scaled voltage that represents the dc level within the AGC drive loop.
RF level
Measures the RF power level that is coupled to provide an exit sample
at the RF port.
at the RF port.
Ingress control switch
Places a dc voltage on ingress control switches #1, #2, #3, and #4 to
control their attenuation.
control their attenuation.
Optical receiver A/B
select
select
A digital control that facilitates the status monitors ability to control the
selection of optical receiver A or B.
selection of optical receiver A or B.
Optical transmitter
enable
enable
A digital control that enables/disables optical transmitter A or B. This is
not implemented in the digital return transmitter. The status monitor
signals are returned to the digital return receiver as part of the data
stream.
not implemented in the digital return transmitter. The status monitor
signals are returned to the digital return receiver as part of the data
stream.