Setting And Verifying Default Source Optics Module Values; Powering Up The Source Optics Module And Tunable Laser Source - JDS Uniphase SWS15100 User Manual

Caution
The Relay port on the rear panel of the source optics module enables remote
control of the relay drivers. Although the connector is a 9-pin RS232-type
connector, it is not an RS232 port. Do not connect a standard RS232 cable to
this port.
The laser source and SOM can be installed in other 48.26 cm (19 in) racks or cabinets. If
installed in other racks, provide additional support rails to hold the equipment in the rack.

Setting and Verifying Default Source Optics Module Values

The system, as supplied, is set with the correct default values. To check or change values, the
default values are:
•
Start wavelength—wavelength at which laser scanning of the DUT begins for a C-band
transmitter (1519.5 nm) or for an L-band transmitter (1540.8 nm). Do not change this value.
•
Stop wavelength—wavelength at which laser scanning of the DUT ends in a C-band
system (1575 nm) or in an L-band transmitter (1635 nm)
•
Delay—1 s is the time delay between sweeps
•
Polarizer—mode 0
•
Power— 3 dBm is the output power from the laser
•
Sweep rate—20 nm/s is the rate of wavelength change (laser scanning)
The default values are set at the factory and are based on the model of the SOM. To verify or
modify defaults, see the Setting Source Optics Module Parameters section.

Powering Up the Source Optics Module and Tunable Laser Source

Caution
•
Acclimatize the tunable laser source for one to two hours after removing it
from the shipping carton. Allow an additional hour of warm-up after the unit
has been cycled and left on.
•
Always use the key to power down the laser. Wait for the laser to park
before switching the power off on the back panel.
•
After turning off the tunable laser source, wait at least 30 seconds before
powering it on again.
To start the source optics module and the tunable laser source:
1. Ensure that the tunable laser source has been acclimatized outside the shipping carton for
one to two hours.
2. Turn the switch at the rear of the tunable laser source laser to I (on).
28 – Getting Started
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