Cisco GS7000 - Page 98

Chapter 3 Setup and Operation
76 OL-29936-01
Operating Status Parameters
The following table defines the monitored operating parameters for the optical
switch.
Parameter Name
Function
Typical Operating Range
Units
Switch Position
Read optical switch position
(Calibrated at 1550 nm only)
PathA/PathB
state
Path A Optical Power
Input optical power on Path A
(Calibrated at 1550 nm only)
-10 to 14
dBm
Path B Optical Power
Input optical power on Path B
-10 to 14
dBm
Module Temp
Module temperature
Ambient temp + 7
degC
Switch Temp
Switch temperature
Ambient temp + 7
degC
Alarm Parameters
The following table defines the alarm parameters for the optical switch.
Alarm Name
Error Condition
Values
Hysteresis
Loss of Input
Light at Path A
Optical input at Path A is less than the
switching threshold at Path A
Minor Alarm(0)
Ok(1)
[1]
Loss of Input
Light at Path B
Optical input at Path B is less than the
switching threshold at Path B
Minor Alarm(0)
Ok(1)
[1]
Both Dark
Loss of light at both inputs
(Loss of Input Light at Path A and Loss of
Input Light at Path B)
Major Alarm(0)
[2]
Ok(1)
No Switch
Optical switch failed to change states when
commanded
Major Alarm(0)
[2]
Ok(1)
Power Supply OK
Failure of external power supply rails
Major Alarm(0)
[2]
Ok(1)
Excessive Input
Optical Power
Optical input at Path A or optical input at Path
B is greater than or equal to 24 dBm
Major Alarm(0)
[2]
Ok(1)
[1] Hysteresis Amplitude (default 1.0 dB) is the value above which the input
optical power must rise for the switch to begin sequence to return to the primary
switch position. Hysteresis Amplitude is a user configurable parameter.
[2] In some cases this may display as Fault(0).