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 (Indicator LED)
-SIGNAL_DETECT
2 (single-ended signal)
-RX_SIR
3 (Differential data)
-TX (Transmit Data)
4 (Ground)
PWR_GND
5 (FIR differential data)*
-RX_FIR
6 (Differential data)
+TX (Transmit Data)
7 (5 volt power)
+5V_POWER
8 (FIR differential data)
+RX_FIR
18
HP Fast InfraRed Receiver
EN