Avago Technologies ACPL-7210-00RE - Manual (Page 2)

2
Board Connection and Operation
PROFIBUS Operation (Refer to Figure 1)
1. Short i) lower 2 pins of J1, ii) lower 2 pins of J4, and iii) upper 2 pins of J5.
2. The jumpers on J2 and J3 should be connected.
3. Connect a 3.3/5V power supply to VDD1 and GND1.
4. Connect a 3.3/5V power supply to VDD2 and GND2.
5. Connect the RS-485 differential lines to SMA connectors +(485) and –(485).
6. Connect SMA connectors TX_EN(485), TX(485) and Rx(485) to microcontroller.
Figure 1. Configuration for PROFIBUS (RS-485) Operation
Short lower
2 pins of J1
Short lower 2 pins of J4,
and upper 2 pins of J5
Jumpers on J2 and J3
should be connected.