Mode Menu - JDS Uniphase SWS15100 User Manual

Mode Menu

The Mode Menu, shown in Figure 56, allows the user to set the wavelength band, the polarization
state to expect from the transmitter, and the processing mode. The default processing mode is
PDL. For this mode, the transmitter polarization state must be 1. Ensure that Polarization Mode
1 is selected on the source optics module.
Band—selects the type of data to be processed which can be C-band, L-band, or a combination
of both. The selection must match the hardware available. Select C-band to have only a C-band
SOM, L-band to have only an L-band SOM, and C+L-band if both SOMs and a Dual Band
Selector Switch Module are installed.
Transmitter Polarizer State—for PDL measurements, the default is four PDL states (S1 to
S4). If a polarization controller is not installed, select mode 0, which is S0. The transmitter
polarization states that are available with a polarization controller, as a function of the selected
mode, are listed in Table 12. The individual polarization states are defined in Table 13.
Mode S0
3
M0
M1
M2
M3
M4
M5
Polarization State
S0
S1
S2
S3
68 – Operating and Maintenance Instructions
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Figure 56: Mode Menu
Table 12: Polarization Modes
S1
3
3
3
Table 13: Polarization States
Circular polarization at the output of the polarization controller. If there
is no controller, the polarization is linear (90°).
Circular polarization with +3 dB loss
Linear (0°) polarization
Linear (90°) polarization
S2 S3
3 3
3 3
3
3 3
Description
S4
3
3
3