HFBR-RXXYYYZ Series (POF)
HFBR-EXXYYYZ Series (POF)
HFBR-CXXYYYZ Series (POF)
Plastic Optical Fiber Cable and Accessories
for Versatile Link
Data Sheet
Cable Description
The HFBR-C/R/EXXYYYZ series of plastic fiber optic cables
are constructed of a single step-index fiber sheathed
in a black polyethylene jacket. The duplex fiber consists
of two simplex fibers joined with a zipcord web.
Standard (Type="R") and Extra Low Loss (Type="E")
cables comply with UL VW-1 flame retardant specifica-
tion (UL file # E89328) except for Commercial (Type="C")
Cables are available in unconnectored or connectored
options. Refer to the Ordering Guide for part number
information.
500
Features
•
Compatible with Avago Versatile Link Family of con-
nectors and fiber optic components
•
1 mm diameter Plastic Optical Fiber (POF) in 3 grades:
- Commercial POF with 0.22dB/m typical attenuation
(0°C to 70°C)
- Standard POF with 0.22 dB/m typical attenuation
(-40°C to 85°C)
- High performance Extra Low Loss POF with 0.19
dB/m typical attenuation (-40°C to 85°C).
Applications
•
Industrial data links for factory automation and plant
control
•
Intra-system links; board-to-board, rack-to-rack
•
Telecommunications switching systems
•
Computer-to-peripheral data links, PC bus extension
•
Proprietary LANs
•
Digitized video
•
Medical instruments
•
Reduction of lightning and voltage transient suscep-
tibility
•
High voltage isolation
α
R
– ATTENUATION – dB/km
400
300
200
100
620
640
660
680
700
λ
– WAVELENGTH – nm
Figure 1. Typical POF attenuation vs. wavelength.
HFBR-RXXYYY fig p2
Plastic Optical Fiber Specifications:
HFBR-C/R/EXXYYYZ
Absolute Maximum Ratings
Parameter
Recommended Storage
Temperature
Recommended Operating
Temperature
Recommended Installation
Temperature
Short Term Tensile Force
Short Term Bend Radius
Long Term Bend Radius
Long Term Tensile Load
Flexing
UL VW-1 Flame Retardant
Symbol
(HFBR-R/EXXYYYZ)
(HFBR-CXXYYYZ)
(HFBR-R/EXXYYYZ)
(HFBR-CXXYYYZ)
(HFBR-R/EXXYYYZ)
(HFBR-CXXYYYZ)
Single Channel
Dual Channel
Ts
Ts
To
To
Ti
Ti
F
T
F
T
r
r
F
T
Min.
-55
-40
-40
0
-20
0
Max.
+85
+70
+85
+70
+70
+70
50
100
Unit
°C
°C
°C
°C
°C
°C
N
N
mm
mm
Note
1
2
3, 4
25
35
1
1000
N
Cycles
4, 8
Mechanical/Optical Characteristics, T
A
= -40 to +85
°
C unless otherwise specified.
Parameter
Cable Attenuation
Source: 660nm LED, 0.5 NA
(HFBR-15xxZ)
Length:50m
Commercial Cable,
Type "C"
Standard Cable,
Type="R"
Extra Low Loss,
Type="E"
Reference Attenuation
Source: 650nm, 0.5 NA
(monochrometer)
Length:50m
Commercial Cable,
Type "C"
Standard Cable,
Type="R"
Extra Low Loss,
Type="E"
Numerical Aperture
Diameter, Core and Cladding
Diameter, Jacket
Propagation Delay Constant
Mass per Unit Length/Channel
Cable Leakage Current
Refractive Index
Notes:
Core
Cladding
IL
n
NA
DC
DJ
l/v
a
R
Symbol
a
O
Min.
0.15
0.15
0.15
0.12
0.12
0.12
0.46
0.94
2.13
Typ.
[5]
0.22
0.22
0.19
0.19
0.19
0.16
0.47
1.00
2.20
5.0
5.3
12
1.492
1.417
Max.
0.27
0.27
0.23
0.24
0.24
0.19
0.50
1.06
2.27
Unit
dB/m
Condition
T
A
=-0°C to +70°C
T
A
=-40°C to +85°C
T
A
=-40°C to +85°C
dB/m
T
A
=-0°C to +70°C
T
A
=-40°C to +85°C
T
A
=-40°C to +85°C
>2 meters
mm
mm
ns/m
g/m
nA
Simplex Cable
Note 6
Without Connectors
50 kV, l = 0.3 meters
1. Installation temperature is the range over which the cable can be bent and pulled without damage. Below -20°C the cable becomes brittle and
should not be subjected to mechanical stress.
2. Short Term Tensile Force is for less than 30 minutes.
3. Short Term Bend Radius is for less than 1 hour nonoperating.
4. 90° bend on 25 mm radius mandrel. Bend radius is the radius of the mandrel around which the cable is bent.
5. Typical data are at 25°C.
6. Propagation delay constant is the reciprocal of the group velocity for propagation delay of optical power. Group velocity is v=c/n where c is the
velocity of light in free space (3xl0
8
m/s) and n is the effective core index of refraction.
7. Note that
a
R
rises at the rate of about 0.0067 dB/°C, where the thermal rise refers to the LED temperature changes above 25°C. Please refer to
Figure 1 which shows the typical plastic optical fiber attenuation versus wavelength at 25°C.
8. Not available for Commercial (Type="C") cable
2
Plastic Fiber Connector Styles
Connector Description
Four connector styles are available for termination of
plastic optical fiber: simplex, simplex latching, duplex
and duplex latching. All connectors provide a snap-in
action when mated to Versatile Link components.
Simplex connectors are color coded to facilitate identi-
fication of transmitter and receiver connections. Duplex
connectors are keyed so that proper orientation is
ensured during insertion. If the POF cable/connector will
be used at extreme operating temperatures or experi-
ence frequent and wide temperature cycling effects, the
cable/connector attachment can be strengthened with
an RTV adhesive (see Plastic Connectoring Instructions
for more detail). The connectors are made of a flame re-
tardant VALOX UL94 V-0 material (UL file # E121562).
DUPLEX CONNECTOR STYLES
HFBR-4506Z – Duplex
HFBR-4526Z
Duplex connectors provide convenient duplex cable
termination and are keyed to prevent incorrect insertion
into duplex configured modules. The duplex connector
is compatible with dual combinations of horizontal, ver-
tical or tilted packages (e.g., two horizontal transmitters,
two vertical receivers, a horizontal transmitter with a
horizontal receiver, etc.). The duplex non-latching con-
nector is available in parchment, off-white (HFBR-4506Z).
SIMPLEX CONNECTOR STYLES
HFBR-4501Z/4511Z – Simplex
HFBR-4516Z – Duplex Latching
, HFBR-4525Z
DUPLEX
CRIMP RING
HFBR-4526Z
The simplex connector provides a quick and stable con-
nection for applications that require a component-to-
connector retention force of 8 Newtons (1.8 lb.). These
connectors are available in gray (HFBR-4501Z) or blue
(HFBR-4511Z). The simplex connector is compatible with
horizontal or vertical or tilted packages.
HFBR-4503Z/4513Z – Simplex Latching
HFBR-4525Z
The duplex latching connector is designed for rugged
applications requiring greater retention force than
the nonlatching duplex connector. When inserting the
duplex latching connector into a module, the connector
latch mechanism should be aligned with the top surface
of the dual combination of horizontal, vertical or tilted
packages. The duplex latching connector is available in
gray (HFBR-4516Z).
The simplex latching connector is designed for rugged
applications requiring a greater retention force — 80
Newtons ( 18 lb.) — than provided by a simplex non-
latching connector. When inserting the simplex latching
connector into a module, the connector latch mecha-
nism should be aligned with the top surface of the
horizontal package, or with the tall vertical side of the
vertical package or with top surface of tilted package.
Misalignment of an inserted latching connector into
either module will not result in a positive latch. The con-
nector is released by depressing the rear section of the
connector lever, and then pulling the connector assem-
bly away from the module housing.
The simplex latching connector is available in gray (HF-
BR-4503Z) or blue (HFBR-4513Z).
Feedthrough/Splice
HFBR-4505Z/4515Z Bulkhead Adapter
The HFBR-4505Z/4515Z adapter mates two simplex
connectors for panel/bulkhead feedthrough of HFBR-
4501Z/4511Z terminated plastic fiber cable. Maximum
panel thickness is 4.1 mm (0.16 inch). This adapter can
serve as a cable in-line splice using two simplex connec-
tors. The adapters are available in gray (HFBR-4505Z) and
blue (HFBR-4515Z). This adapter is not compatible with
POF duplex, POF simplex latching, or HCS connectors.
3
Plastic Optical Fiber Connector Absolute Maximum Ratings
Parameter
Storage and Operating Temperature
Recommended Operating Temperature
Installation Temperature
Nut Torque
HFBR-4505Z/4515Z Adapter
Symbol
T
S,O
T
O
T
l
T
N
Min.
-40
-40
0
Max.
85
85
70
0.7
100
Unit
°C
°C
°C
N-m
OzF-in.
Note
1
1
1
2
Notes:
1. Storage and Operating Temperatures refer to the ranges over which the connectors can be used when not subjected to mechanical stress.
Installation Temperature refers to the ranges over which connectors may be installed onto the fiber and over which connectors can be con-
nected and disconnected from transmitter and receiver modules.
2. Recommended nut torque is 0.57 N-m.
Plastic Optical Fiber Connector Mechanical/Optical Characteristics
T
A
= -40 to +85°C, Unless Otherwise Specified.
Parameter
Part Number
Retention Force,
Connector to
Versatile Link Transmit-
ters and Receivers
Simplex,
HFBR-4501Z/4511Z
Simplex Latching,
HFBR-4503Z/4513Z
Duplex,
HFBR-4506Z
Duplex Latching,
HFBR-4516Z
Tensile Force,
Connector to Cable
Simplex,
HFBR-4501Z/4511Z
Simplex Latching,
HFBR-4503Z/4513Z
Duplex, HFBR-4506Z
Duplex Latching,
HFBR-4516Z
Adapter Connector
to Connector Loss
Retention Force
Connector to Adapter
Insertion Force,
Connector to Versatile
Link Transmitters and
Receivers
HFBR-4505Z/4515Z with
HFBR-4501Z/4511Z
HFBR-4505Z/4515Z with
HFBR-4501Z/4511Z
Simplex,
HFBR-4501Z/4511Z
Simplex Latching,
HFBR-4503Z/4513Z
Duplex, HFBR-4506Z
Duplex Latching
HFBR-4516Z
a
CC
F
R-B
F
I
F
T
Symbol
F
R-C
Min.
7
3
47
11
7
4
50
15
8.5
8.5
14
14
0.7
7
Typ.
[1]
8
80
12
80
22
22
35
35
1.5
8
8
16
13
22
Max.
Units
N
Temp. °C
+25
-40 to +85
+25
-40 to +85
+25
-40 to +85
+25
-40 to +85
Note
2
N
3
2.8
dB
N
25
4, 5
30
35
46
51
N
6
Notes:
1. Typical data are at +25°C.
2. No perceivable reduction in retention force was observed after 2000 insertions. Retention force of non-latching connectors is lower at elevated
temperatures. Latching connectors are recommended for applications where a high retention force at high temperatures is desired.
3. For applications where frequent temperature cycling over temperature extremes is expected, please contact Avago Technologies for alternate
connectoring techniques.
4. Minimum and maximum limit for
a
CC
for 0°C to +70°C temperature range. Typical value of
a
CC
is at +25°C.
5. Factory polish or field polish per recommended procedure.
6. Destructive insertion force was typically at 178 N (40 lb.).
4
Step-by-Step Plastic Cable Connectoring Instructions
The following step-by-step guide describes how to termi-
nate plastic fiber optic cable. It is ideal for both field and
factory installation. Connectors can be easily installed
on cable ends with wire strippers, cutters and a crimping
tool.
Finishing the cable is accomplished with the Avago
HFBR-4594Z Polishing Kit, consisting of a Polishing Fixture,
600 grit abrasive paper and 3 µm pink lapping film (3M
Company, OC3-14). The connector can be used immedi-
ately after polishing.
Materials needed for plastic fiber termination are:
1. Avago Plastic Optical Fiber Cable (Example: HFBR-
RUS500Z, HFBR-RUD500Z, HFBR-EUS500Z, or HFBR-
EUD500Z)
2. Industrial Razor Blade or Wire Cutters
3. 16 Gauge Latching Wire Strippers (Example: Ideal
Stripmaster
TM
type 45-092).
4. HFBR-4597Z Crimping Tool
5. HFBR-4594Z Polishing Kit
6. One of the following connectors:
a) HFBR-4501Z/4503Z Gray Simplex/Simplex Latching
Connector and HFBR-4525Z Simplex Crimp Ring
b) HFBR-4511Z/4513Z Blue Simplex/Simplex Latching
Connector and HFBR-4525Z Simplex Crimp Ring
c) HFBR-4506Z Parchment (off-white) Duplex Connector
and HFBR-4526Z Duplex Crimp Ring
d) HFBR-4516Z Gray Latching Duplex Connector and
HFBR-4526Z Duplex Crimp Ring
Step 1
The zip cord structure of the duplex cable permits easy
separation of the channels. The channels should be sepa-
rated a minimum of 100 mm (4 in) to a maximum of 150
mm (6 in) back from the ends to permit connectoring
and polishing.
After cutting the cable to the desired length, strip off
approximately 7 mm (0.3 in.) of the outer jacket with the
16 gauge wire strippers. Excess webbing on the duplex
cable may have to be trimmed to allow the simplex or
simplex latching connector to slide over the cable.
When using the duplex connector and duplex cable, the
separated duplex cable must be stripped to equal lengths
on each cable. This allows easy and proper seating of the
cable into the duplex connector.
Step 2
Place the crimp ring and connector over the end of the
cable; the fiber should protrude about 3 mm (0.12 in.)
through the end of the connector. Carefully position the
ring so that it is entirely on the connector with the rim of
the crimp ring flush with the connector, leaving a small
space between the crimp ring and the flange. Then crimp
the ring in place with the crimping tool. One crimp tool is
used for all POF connector crimping requirements.
For applications with extreme temperature operation
or frequent temperature cycling, improved connector
to cable attachment can be achieved with the use of an
RTV (GE Company, RTV-128 or Dow Corning 3145-RTV)
adhesive. The RTV is placed into the connector prior to
insertion of the fiber and the fiber is crimped normally.
The connector can be polished after the RTV has cured
and is then ready for use.
Note: By convention, place the gray connector on the trans
mitter cable end and the blue connector on the receiver cable
end to maintain color coding (different color connectors are
mechanically identical).
Simplex connector crimp rings cannot be used with duplex
connectors and duplex connector crimp rings cannot be
used with simplex connectors because of size differences.
The simplex crimp has a dull luster appearance; the duplex
ring is glossy and has a thinner wall.
5
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