IR1：IR Connector with Pin-header (2.54 mm)
Pin No. Signal
1 +5V
2 NC
3 IR-RX
4 Ground
5 IR-TX
LAN：LAN Connector with Box-header (2.0 mm)
Pin No. Signal Pin No. Signal
1 L_MDI0+ 2 L_MDI0-
3 L_MDI1+ 4 L_MDI1-
5 L_P4&P5C 6 L_P7&P8C
7 L_MDI2+ 8 L_MDI2-
9 L_MDI3+ 10 L_MDI3-
11 LED1# 12 LED0#
LPT1：Parallel Port Connector with Box-header (2.0 mm)
Pin No. Signal Pin No. Signal
1 Strobe# 14 Auto Form Feed#
2 Data 0 15 Error#
3 Data 1 16 Initialization#
4 Data 2 17 Printer Select IN#
5 Data 3 18 Ground
6 Data 4 19 Ground
7 Data 5 20 Ground
8 Data 6 21 Ground
9 Data 7 22 Ground
10 Acknowledge# 23 Ground
11 Busy 24 Ground
12 Paper Empty 25 Ground
13 Printer Select 26 Ground
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