Electrical Interface

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

J8 Pin Number

Interface

J8 Signal Name

DB9 Pin

DB25 Pin

Number

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

 

 

 

 

 

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.

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LRP2000 Passive Reader/Writer

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Escort LRP2000 manual Data Terminal Blocks, RS232 Pinouts, J8 Terminal Block