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CANSwitch-AF2S2
High-Performance Dual-CAN to Fiber Switch User Manual
3. Quick Use in Hub Mode (Hub Mode)
Devices in hub mode can implement automatic networking, and devices can be
cascaded in hub mode. This document uses three CANSwitch-AF2S2 devices for
cascading. As long as the device is configured, the CAN bus will be forwarded to the
corresponding CAN port as required. You can network independently without using
switches and other equipment.
3.1 Device Configuration Method
Turn the switch to Hub and press the reset button. After the device beeps twice, it
enters Hub mode. For details, see Section 2.4.
The CANSwitch-AF2S2 supports using the serial port to configure the device, as
shown in Figure 3.1. The device can be configured as long as the dedicated RS232
configuration port is connected to the PC.
3.2 System Block Diagram
This document uses three devices for cascading and meets the following design
requirements. The CAN signal sent by user equipment 1 and user equipment 2 can be
received by user equipment 3, user equipment 6 and user equipment 7; the CAN signal
sent by user equipment 3 can be received by user equipment 4 and user equipment 5; the
CAN signals sent by user equipment 4 and user equipment 5 can be received by all the
equipment; the CAN signal sent by user equipment 6 can be received by user equipment
1, the user equipment 2, the user equipment 3 and the user equipment 7; the CAN signal
sent by user equipment 7 can be received by user equipment 1, user equipment 2, user
equipment 3 and user equipment 6. Figure 3.2 shows the overall system block diagram.
Figure 3.1 Dedicated configuration port
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