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HP Fast InfraRed Receiver

DIN Pin-Outs

The HP Fast InfraRed Receiver uses the eight position mini-

DIN connector. A functional description of the pins follows.

Figure 6

Eight-Position Mini-DIN Connector

*no connect for FIR

DIN Connector Pin-Outs

PIN Number Signal Name

1 (active high input) -SIGNAL_DETECT

2 (single-ended driver) -RX_SIR

3 (TP, pins 3 and 6) -TX (Transmit Data)

4 (TP, pins 4 and 7) PWR_GND

5 (Receive Data Gnd)* -RX_FIR

6 (pulse = data 0) +TX (Transmit Data)

7 (5 volt power) +5V_POWER

8 (pulse = data 0) +RX_FIR

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HP HEWLETT-PACKARD User Manual Page 23