Handling and Installation 21
1.5.1 LED Description
The
status
LED’s
power
up
default
state
is
ON
.
The
status
LED
is
a
user
defined
board
indicator
and
can
be
toggled
ON
or
OFF
by
writing
to
Bit
31
of
the
Control
and
Status
register.
The
signal
detect
LED
turns
ON
if
the
receiver
detects
light
and
can
be
used
as
a
simple
method
of
checking
that
the
optical
network
is
properly
connected
to
the
receiver.
The
Own
Data
LED
is
turned
ON
when
the
board
detects
its
own
data
returning
over
the
network.
The
default
setting
is
OFF
.
1.6 Cable Configuration
The
RFM
‐
5565
is
available
with
a
multimode
or
singlemode
fiber
‐
optic
interface.
is
an
illustration
of
the
“LC”
type
multimode
or
singlemode
fiber
‐
optic
connector.
1.6.1 Connector Specification (Singlemode and Multimode):
•
Compatible
with
LC
standard
and
JIS
C
5973
compliant
•
Ceramic
ferrule
•
Temperature
range:
‐
20
°
C
to
+85
°
C
Table 1-3 LED Descriptions
LED
Color
Description
Status
Red
User defined board status indicator.
SIG. DET.
Yellow
Indicates optical network connection.
Own Data
Green
Indicates when own data is received.
Table 1-4 Cable Specifications for Multimode and Singlemode
Specification
Singlemode
Multimode
Core Diameter
8.3 ± 1.0 µM
50/62.5 ±3 µM
Cladding Diameter
125 ±2 µM
125 ±2 µM
Jacket Outer Diameter 3.0 mm ±.1 mm
3.0 mm ±.1 mm
Attenuation
0.8 dB/Km (max) at 1310 nm
4.0 dB/Km (max) at 850 nm
Bandwidth
N/A
160 to 300 MHz-Km (min) at 850 nm
UL
type OFNR, CSA type OFN FT4
type OFNR, CSA type OFN FT4