Chapter 1 Before Installation
RT4401-48A Installation Manual v3.0 11
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Shrinking the feeder cable tube
Checking voltage and current to
detect cable disconnection
Wave length:
1270 nm, 1310 nm, 1550 nm
(single-mode)
850 nm, 1310 nm (multi-mode)
Checking azimuth and tilting
The required installation tools may vary depending on the site conditions.
In addition to the basic tools, protractor, ladder, safety equipment, and cleaning
tools must also be arranged, considering the site conditions.