Table of Contents
Advertisement
3.7
SELECTION OF FIBER OPTIC CABLE (FOC)
Fiber optical cable is available in several formats; simplex, duplex, and breakout. FOC is
also available in various diameters and tensile strengths. Tensile strength is important for
longer life expectancy.
Simplex FOC is desirable for loop operations. It has one optical conductor and can be
connected from the transmitter of one Link/Repeater to the receiver of the next
Link/Repeater in the loop.
Duplex FOC has two optical conductors and is a convenient form when connecting two
units Point-to-Point.
Breakout cable is a duplex FOC that has extra strength members added and is suit-
able for burial.
The following are the specifications of multi-mode FOC offered by DYMEC and is the recommended
minimum standard for optimum performance.
Fiber Count
Fiber Material
Attenuation
Diameter
Weight
Tensile load - Short Term
Tensile load - Long Term
Minimum Bend Radius - With Load
Minimum Bend Radius - No Load
Crush Resistance
Impact Resistance
Flex Resistance
Operating Temperature
Storage Temperature
Millimeters
→ → → → Inches
Centimeters
→ → → → Inches
Meters
→ → → → Feet
Kilometers
→ → → → Feet
Kilometers
→ → → → Miles
[dB/km]
[mm]
[kg/km]
[N]
[N]
[cm]
[cm]
[N/cm]
[Cycles]
[Cycles]
o
[
C]
o
[
C]
METRIC-TO-ENGLISH UNIT CONVERSIONS
MULTIPLY
BY
Kilograms → → → → Pounds
0.03937
0.3937
3.2808
3280.8
0.62137
3-6
Models 5843, 5844, 5843S and 5844S
Simplex
Duplex
1
2
Glass
Glass
3
3
3.0
3.0 x 6.5
8.0
16.0
500
1000
300
500
5
5
3
3
750
750
1000
1000
7500
7500
o
o
o
-40
to +85
-40
to +85
o
o
o
-55
to +85
-55
to +85
Kg/Km → → → → Pounds/1,000 Ft
Newtons → → → → Pounds
N/Cm → → → → Pounds/inch
RS-232 or TTL
Breakout
2
Glass
3
7.0
50
1200
500
14
7
2200
2500
2000
o
o
o
-40
to +85
o
o
o
-55
to +85
MULTIPLY
BY
2.2046
0.67197
0.22481
0.57101
Hide quick links:
Advertisement
Table of Contents
