ICP DAS USA I-2532 - Manual (Page 3)

I-2532 CAN to Fiber Converter Quick Start User Guide (ver. 1.1, 2008/10/03) -----3
4. LED Indicators & Terminal Resistance
The table below shows the meanings of LED indicators on the I-2532.
Transmitting/receiving one message to/from fiber cable will flash the
TD/RD LED once. The TD/RD LED may always be turned on if there are
a lot of messages transmitted on fiber cable.
POWER LED
(Red Light)
TD LED
(Green Light)
RD LED
(Green Light)
on
module
active
flashing
messages
transmitting
flashing
messages
receiving
off
module
inactive
off
no message
transmitting
off
no message
receiving
The switch at bottom of I-2532 is used for adjusting terminal
resistance (120 Ω ) on CAN Port. The switch functions are shown below.
5. Wire Connection
Roughly speaking, wiring of CAN_GND and FG can improve the
capability of anti-interference of CAN bus system, but this is not necessary.
CAN_H
CAN_L
CAN_GND
Earth Ground
Power GND
+10V
DC
~ +30V
DC
CAN_H
CAN_L
CAN_GND
Earth Ground
Power GND
+10V
DC
~ +30V
DC
Tx Tx
Rx Rx
Fiber
Metallic
Board
Interconnecting
ISO 11898-2 ISO 11898-2
Active
(Enable)
Inactive
(Disable)