The Optical Transport
Section (OTS) controller holds all the optical parameters for the OTS optical
interfaces. The optical interface has different capabilities depending on its
hardware components such as photodiode, VOA, amplifier, and OCM. Hence, the
parameters enabled or disabled on the OTS controller depend on the actual
hardware capability on the specific optical interface. Each parameter might
refer to RX or TX section. For example, if a photodiode is present, the OTS
controller can read the total optical power. When the controller is created,
each hardware capability is enabled or disabled.
You can configure parameters such as low power threshold, VOA attenuation setpoint, amplifier gain range, amplifier tilt,
and amplifier gain set point for the OTS controller. The description on OTS interfaces cannot be added as they are on the
optical amplifier module. To configure the OTS controller, use the following commands.
configure
controller
controllertype Rack/Slot/Instance/Port
rx enable
rx-low-threshold
value
tx enable
tx-low-threshold
value
rx-voa-attenuation
value
tx-voa-attenuation
value
ampli-control-mode {automatic |
manual}
ampli-gain-range
{normal |
extended}
ampli-gain
value
ampli-tilt
value
ampli-channel-power
value
channel-power-max-delta
value
osri {on |
off}
safety-control-mode {auto |
disabled}
commit
end
Example
The following is a
sample in which the amplifier gain range is set to extended and amplifier gain
set point is set to 29.0 dB.
configure
controller ots 0/3/0/0
ampli-gain-range extended
ampli-gain 290
commit
end
The following is a
sample in which the safety control mode of the pre-amplifier is set to auto.
configure
controller ots 0/3/0/0
safety-control-mode auto
commit
end
The following is a
sample in which the safety control mode of the booster amplifier is set to
disabled.
configure
controller ots 0/3/0/1
safety-control-mode disabled
commit
end
OTS Controller
Configuration Parameters
Table 1. OTS Controller
Configuration Parameters
|
Parameter
|
Description
|
Hardware
Capability
|
Range
|
Default
|
Notes
|
|
rx-low-threshold (0.1 dBm)
|
Low receive
power threshold
|
Photodiode
|
-400 to +300
|
-40.0
|
|
|
tx-low-threshold (0.1 dBm)
|
Low
transmit power threshold
|
Photodiode
|
-400 to
+300
|
-20.0
|
|
|
rx-voa-attenuation (0.1 dBm)
|
RX VOA
attenuation set point
|
VOA
|
0 to 200
|
0.0
|
|
|
tx-voa-attenuation (0.1 dBm)
|
TX VOA
attenuation set point
|
VOA
|
0 to 200
|
0.0
|
|
|
ampli-control-mode
|
Amplifier
control mode
|
Amplifier
|
automatic
and manual
|
automatic
|
The
Automatic value is compatible only when the grid is specified through the
hw-module configuration.
|
|
ampli-gain-range
|
Amplifier
gain range
|
Amplifier
|
normal and
extended
|
normal
|
The
amplifier gain range is configurable only when the controller is in shutdown
state.
|
|
ampli-gain (0.1 dBm)
|
Amplifier
gain set point
|
Amplifier
|
0 to 500
|
0.0
|
The actual
range of amplifier gain set point depends on amplifier gain range.
|
|
ampli-tilt (0.1 dBm)
|
Amplifier
tilt
|
Amplifier
|
-50 to
+50
|
0.0
|
|
|
channel-power-max-delta (0.1 dBm)
|
Maximum
difference among all measured channel powers
|
Amplifier
|
0 to 200
|
3.0
|
|
|
ampli-channel-power (0.1 dBm)
|
Amplifier
per channel power set point
|
Amplifier
|
-400 to
+300
|
0.0
|
|
|
osri
|
Optical
safety remote interlock
|
Amplifier
|
on and off
|
off
|
When osri
is on, the laser is off and vice versa.
|
|
safety-control-mode
|
Safety
control mode
|
Amplifier
|
auto and
disabled
|
auto
|
If the
safety control mode is disabled, the amplifier optical power is less than 20dB
for safety.
|
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