microHAM microKEYER II User Manual page 55

Pin # Label
1 DATA
2 RX EXT
3 GND
4 +5 V
5 CLOCK
6 TX EXT
SHELL GND
Pin # Label
1 PS/2 DATA
2 RESPAD
3 GND
4 +5 V
5 PS/2 Clock
6 n/c
SHELL GND
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iLINK – miniDIN 6
Description
I2C Data channel for expansion (TTL)
Serial Data In (TTL)
Connected to system ground and case
+5V output, max.100mA.
I2C Data Clock (TTL)
Serial Data In (TTL)
Connected to system ground and case
PS/2 – miniDIN 6
Description
TTL PS/2 DATA line
Input for resistive keypad (FH-2), max.+5V/1mA
Connected to the system ground and case.
+5V output, max.100mA.
TTL PS/2 CLOCK line
Not connected
Connected to system ground and case
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