Din Pin-Outs - HP 4050 - LaserJet B/W Laser Printer User Manual

DIN Pin-Outs

The HP Fast InfraRed Receiver uses the eight position mini-
DIN connector. A functional description of the pins follows.
Figure 6
DIN Connector Pin-Outs
PIN Number
1 (Indicator LED)
2 (single-ended signal)
3 (Differential data)
4 (Ground)
5 (FIR differential data)*
6 (Differential data)
7 (5 volt power)
8 (FIR differential data)
*no connect for FIR
EN
Eight-Position Mini-DIN Connector
Signal Name
-SIGNAL_DETECT
-RX_SIR
-TX (Transmit Data)
PWR_GND
-RX_FIR
+TX (Transmit Data)
+5V_POWER
+RX_FIR
HP Fast InfraRed Receiver 17