Specifications

1-110 Transmitters 4000326 Rev A
Configure Parameters Using the ICIM
Introduction
The CONFIG menu on the ICIM allows you to configure several transmitter
parameters.
Configuring Parameters
From the MAIN or SCROLL menus on the ICIM, navigate to the Prisma II 1550 nm
Transmitter MODULE menu. From the MODULE menu, press the
CFG
key to
display the CONFIG menu.
The following table shows the configurable parameters for the transmitter.
Parameter Description Values Default
Enable
Enables or disables the laser.
• On
• Off
On
LasMode
Selects laser operation mode to
constant current or constant
power.
• ConsCur
• ConsPwr
ConsCur
AGC
Turns automatic gain control on
or off.
• On
• Off
Off
RFDrive
Sets the relative RF drive level
into the transmitter. Only
effective when AGC is off (i.e.
manual gain control).
-6.0 dB to +1.0 dB
in 0.5 dB steps
0.0 dB
OMISet
Sets the Optical Modulation Index
level. Only effective when AGC is
on.
-6.0 dB to +1.0 dB
in 0.5 dB steps
0.0 dB
Master
Configures the module as master
or slave.
• If set to Master, the transmitter
is controlled only by the
Enable control above.
• If set to Slave, the transmitter
is controlled by a combination
of Enable and the external
input CNT_IN_1.
• Master
• Slave
Master
Span
Optimizes transmitter
performance based on the distance
or span of the link.
0 km to 60 km
in 5 km steps
35 km