Getting Started
4
ORR24 Instruction Manual
On the Tektronix 11800 Series Digital Sampling Oscilloscope or the CSA 803
Communications Signal Analyzer, the ORR24 Optical Reference Receiver
installs into any of the front panel compartments.
NOTE
. To guarantee compliance with OC-48 boundary limits, you must connect
the ORR24 Optical Reference Receiver to the input of an SD-22 sampling head
using the 015-0560-00 cable provided. The ORR24 is designed for the electrical
characteristics of the cable and the particular frequency response and low noise
of the SD-22.
Use the following procedure to install the Optical Reference Receiver and
sampling head modules:
1. Switch off the measurement instrument.
2. Place the module in a compartment and slowly push it in with firm pressure.
3. Once the module is seated, turn the screw shaft on the plug-in to tighten the
module in place.
4. Switch on the measurement instrument and check that all modules have
power.
5. Follow anti-static precautions and connect the output of the Optical
Reference Receiver to the input of the sampling head with the 015-0560-00
cable provided:
a. Align the SMA connectors carefully.
b. Use light, finger pressure to turn the nut. Do not turn the cable.
c.
Tighten the nut lightly with a wrench. For best repeatability and to
prolong the life of SMA connectors, use a torque wrench and tighten
the connection to the range of 7 to 10 lb-in (79 to 112 N-cm).
11800 or CSA 803 Series
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