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HP Fast InfraRed Receiver
17
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