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mm
Optical
Patch Cord
Note - Either of the [52 Mb/s - 2.5 Gb/s] Transmitter Outputs may be used
if both 1310 & 1550 nm ports are fitted.
NO TE
Installation and Verification Manual
8 Change/Make the following Optical loopback connection to
check of the 2.5 Gb/s interface.
2.5 Gb/s Loopback Connections (J2127A shown)
9 Change the Transmitter Settings Signal Rate to (OC-48 or
STM-16). and set the Wavelength to the be same as the
Transmit Port connected in set-up, i.e. 1310nm or 1550nm.
The Receiver signal rate will be the same as the Transmitter if Tx > Rx
Coupling is On. The Coupling status and Transmitter & Receiver settings
are shown in left lower corner of the graphical display.
10 Set the Laser to ON and check the laser LED is illuminated at
the connected 52 Mb/s - 2.5 Gb/s Output Port on the
Transmission Test Set's connector panel.
11 Repeat step 4 to step 6 to confirm correct operation.
12 Press <Window> key to highlight the Tx-Transmitter
Settings page and set the Laser to OFF.
13 If the instrument has a single Receiver port covering the
range 52 Mb/s to 2.5 Gb/s skip this step and resume at
step 14. If the instrument has two separate Receiver ports;
Installation (Getting Started)
15 dB Optical Attenuator to
ensure level is within
Receiver Input Range.
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