User's Manual

ModuLite™ Installation Guide OPTICAL TEST PROCEDURE
Foxcom Wireless Confidential and Proprietary Information
Document No. 43-93-005-05 X1 51
8. Optical Test Procedure
This section describes the methods applied to test fiber optic cable’s optical insertion loss and
return loss.
8.1. Fiber Optic Cable Test
Due to the extended distances that analog signal transmissions travel on cable, the major
challenge is to determine the status of the cable.
In order to determine that the cables are functioning, technical personnel need to perform optical
power tests.
The optical power tests covered in this document are:
Optical insertion loss measurement test
Optical return loss measurement test
In order to explain the testing procedures, the terms related to these tests need to be explained.
8.2. Fiber Optic Cable Terms
Fiber optic cable is produced in a variety of formats with different characteristics. The following
terms define the various aspects of fiber optic cable:
Fiber optic cable
Jacket
Buffer
Fiber
Optical fiber
Core
Clad
Singlemode
Multimode
Fiber optic connection
Splice
Fusion