Clear-Com FIM-202D - Manual (Page 15)

Clear-Com Communication Systems
FIM-202D Matrix Fiber Interface Instruction Manual 2 - 1
INSTALLATION
UNPACKING
When you receive your Clear-Com FIM-202D System, check to make
sure you have received all components of the system. The following
items make up a Clear-Com FIM-202D:
• FIM-202D multiplexer/demultiplexer unit
• External power supply
• You will require two FIM-202D units to complete a circuit.
Inspect the units for mechanical damage. Inspect all electrical
connectors for bent or damaged pins and latches. Report any damage
to the carrier and to Clear-Com Communication Systems.
Leave the protective plastic caps on the optical connectors until it is
time to attach the fibers to the units.
SELECTING AND INSTALLING FIBER-OPTIC
CABLE
The person installing the FIM-202D units is responsible for providing
the fiber optic cable runs. The FIM-202D will operate with either
Single-Mode or Multi-Mode Fiber Optic Cable. You will experience the
best distance performance when using Single-Mode cable as shown in
Table 2-1.
Table 2-1: Maximum Fiber Lengths
Mark or tag the optical fibers when they are pulled, carefully avoiding
the fiber tip, so that their identity is known at both ends. If there is
confusion about the identity of the two fibers, shine a flashlight at one
end of the fiber and look for light at the other end.
Warning:Do not use the FIM-202D optical output to identify
cables. Never look directly into the end of the optical
fiber while either end of the system is operating. Even if
you do not see visible light, eye damage is possible.
FIBER CORE DIAMETER MAXIMUM FIBER LENGTH
50 microns (multimode) 3 miles (5 km)
62.5 microns (multimode) 2 miles (3 km)
8 microns (single mode) 12 miles (20 km)
2