User Manual

December 2, 2008 Tri-Reader 3 User Manual

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4400-46001.A.0

5. If RS-422 or RS-485 is used, 485RxL must be taken to the host transmit low, 485RxH must be

taken to the host transmit high, 485TxL must be taken to the host receive low, and 485TxH must be

taken to the host receive high.

6. The Tri-Reader 3 has an onboard tri-color LED indicator. In addition to this it has a connector (J3)

for interface to external LEDs. Table 2-1 provides the J3 pinouts.

7. The RJ45 communications connector is a shielded type that is mounted in the J5 position. It mates

to any standard RJ45 cable connector. Table 2-2 provides the J5 pinouts.

Table 2-1. J3 Pinouts

Pin Number Name Description

1 V4p65 Supply voltage for external LEDs

2 GND Power supply ground

3 EXTLED0 Open drain output for external LED

4 EXTLED1 Open drain output for external LED

5 EXTLED2 Open drain output for external LED

6 EXTLED3 Open drain output for external LED

7 GND Power supply ground

8 +VBATEXT Connection for external battery

Table 2-2. J5 Pinouts

Pin Number Name Description

1 485RxH Tri-Reader 3 RS-422/RS-485 receive high

2 232Rx_485RxL Tri-Reader 3 RS-232 receive or RS-422/RS-485 receive low

3 485TxH Tri-Reader 3 RS-422/RS-485 transmit high

4 +VINPUT Power supply input (8 to 24 Vdc)

5 GND Power supply ground

6 232Tx_485TxL Tri-Reader 3 RS-232 transmit or RS-422/RS-485 transmit low

7 +VINPUT Power supply input (8 to 24 Vdc)

8 GND Power supply ground