22
No.
Name
Application
1)
Operation
indicator LEDs
Check for the module condition by observing the state of lighting of the
LED.
LED
Name
Application
SD1
ON
OFF
:
:
Indicates that data is being sent to the connection cable
side.
Indicates that data is not sent to the connection cable
side.
SD2
ON
OFF
:
:
Indicates that data is being sent to the light output side.
Indicates that data is not sent to the light output side.
RD1
ON
OFF
:
:
Indicates that data is being received from the
connection cable side.
Indicates that data is not received from the connection
cable side.
RD2
ON
OFF
:
:
Indicates that data is being received from the light input
side.
Indicates that data is not received from the light input
side.
SC
ON
OFF
:
:
Indicates that RY(n+1)0 is ON.
Indicates that RY(n+1)0 is OFF.
Lit only when the
monitor function is
used.
Refer to Chapter 5
for details of the
monitor function.
S1
ON
OFF
:
:
Indicates that RY(n+1)1 is ON.
Indicates that RY(n+1)1 is OFF.
S2
ON
OFF
:
:
Indicates that RY(n+1)2 is ON.
Indicates that RY(n+1)2 is OFF.
S3
ON
OFF
:
:
Indicates that RY(n+1)3 is ON.
Indicates that RY(n+1)3 is OFF.
RC
ON
OFF
:
:
Indicates that the own module is enabled for light
receiving.
Indicates that the own module is disabled for light
receiving.
R1
ON
OFF
:
:
Indicates that the light receiving level allowance of the
own module is 1.5 times or more.
Indicates that the light receiving level allowance of the
own module is less than 1.5 times (based on RC).
R2
ON
OFF
:
:
Indicates that the light receiving level allowance of the
own module is 2.0 times or more.
Indicates that the light receiving level allowance of the
own module is less than 2.0 times (based on RC).
R3
ON
OFF
:
:
Indicates that the light receiving level allowance of the
own module is 2.5 times or more.
Indicates that the light receiving level allowance of the
own module is less than 2.5 times (based on RC).
2)
Transmission
speed setting
switch
Used to set the transmission speed of the module. (Factory setting: 0)
0
1
2
3to 9
: 156kbps
: 625kbps
: 2.5Mbps
: Must not be set.
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