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PART NAMES
This chapter describes the names of each part of the RJ71LP21-25.
(1)
(2)
(3)
(4)
(5)
No.
Name
(1)
RUN LED
*1
ERR LED
*1
T PASS LED
*1
D LINK LED
25M LED
*1
MNG LED
SD/RD LED
L ERR LED
(2)
Dot matrix LED
(3)
Optical connector (IN
connector)
(4)
Optical connector (OUT
connector)
(5)
Production information
marking
*1 The LED is always off in offline mode.
Description
On: Normal operation
Off: Error ( MELSEC iQ-R MELSECNET/H Network Module User's Manual (Application))
On or flashing: Error ( MELSEC iQ-R MELSECNET/H Network Module User's Manual (Application))
Off: Normal operation
On: Baton pass (state of connecting to the network)
Flashing: Testing
Off: Baton pass not executed (disconnection of the own station from the network)
On: Data link (state of performing cyclic transmission)
Off: Data link not performed (disconnected)
On: Communicating at 25Mbps
Off: Communicating at 10Mbps
On: Operating as a control station or sub-control station
Off: Operating as a normal station
On: Data being sent or received
Off: Data not sent nor received
On: Communication error
Any of the following has occurred.
• Cable failure or noise
• Before receiving data, the RJ71LP21-25 has received the next data and deleted the previous one. Or, hardware
failure has occurred in the RJ71LP21-25 receiving part.
• The number of bits whose value is one in the receive data in the frame is more than specified, or the receive data
is shorter than specified.
• Baton pass does not return to own station within the monitoring time.
• Data with an abnormal code has been received.
• Internal processing of send data is not performed at regular intervals.
• Failure has occurred in the forward loop line or reverse loop line; the power supply of the adjacent station to be
sent to the own station is turned off. Or, hardware failure has occurred in the sending station part of the loop.
Off: No communication error
Indicates the station number set to the RJ71LP21-25 and the status of each test. ( Page 16 Dot matrix LED
indication).
A connector to connect the optical fiber cable. Connect to OUT connector of another station.
A connector to connect the optical fiber cable. Connect to IN connector of another station.
Indicates the production information (16 digits) of the module.
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1 PART NAMES
15
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