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21 LRP2000 Passive Reader/Writer
3.3 Data Terminal Blocks
Figure 17 shows the LRP2000 RS232 terminal block J8, and a detail view the terminal arrangement.
Figure 17: J8 COM1 RS232/COM2 RS232
Table 1 lists the RS232 pinouts.
Table 1: RS232 Pinouts, J8 Terminal Block
NOTE: The signal names given in Table 1 refer to the signals from the LRP2000, not from the host. The
DB9 and DB25 pin numbers are from standard RS232 connectors.
J8 Pin Number Interface J8 Signal Name
DB9 Pin
Number
DB25 Pin
Number
1 COM1 RS232 RX 3 2
2 COM1 RS232 TX 2 3
3 COM1 RS232 GND 5 7
4 COM2 RS232 RX 3 2
5 COM2 RS232 TX 2 3
6 COM2 RS232 GND 5 7