Cisco Optical Hub and Hub-Node Installation Guide
Optical Switch Module
OL-29936-01
75
Parameter
Function
Default
Value
Value
Values
Min
Max
Step
Unit
ThresholdA
Switching threshold,
input optical power at
input A
input optical power at
input A
5.0
-10.0
14.0
0.1
dBm
Hysteresis
Amplitude
Amplitude
Hysteresis Amplitude:
The value (in dB
relative to the
switching threshold)
above which the input
optical power must
rise for the switch to
begin the hysteresis
timer before restoring
primary switch
position. Only applies
if Revert is On.
The value (in dB
relative to the
switching threshold)
above which the input
optical power must
rise for the switch to
begin the hysteresis
timer before restoring
primary switch
position. Only applies
if Revert is On.
1.0
0.5
9.5
0.1
dB
Hysteresis
Time
Time
Hysteresis Time: The
length of time, in
seconds, that primary
optical power must
remain above the
restore threshold
before switch is
allowed to revert to
primary position.
Only applies if Revert
is On.
length of time, in
seconds, that primary
optical power must
remain above the
restore threshold
before switch is
allowed to revert to
primary position.
Only applies if Revert
is On.
60
0
600
1
sec
Revert
On (1) allows switch
to revert to primary
position after optical
power restored. In Off
(0), switch will remain
in backup (non-
primary) position.
to revert to primary
position after optical
power restored. In Off
(0), switch will remain
in backup (non-
primary) position.
On(1)
Off(0)
On(1)
na
na
na
na
Primary
Optical Input
Optical Input
Selects the primary
optical input
optical input
PathA(0)
PathA(0)
PathB(1)
na
na
na
na
Switch
Position
Position
Selects the Normal
switch position
switch position
PathA(0)
PathA(0)
PathB(1)
na
na
na
na