SM500MK4 Service Manual
53
SCALE TO SCALE
(For LCU 401 to scale and scale-to-scale communication)
9 Pin D-Sub (Male) 9 Pin D-Sub (Male)
Pin Signal
Signal Pin
1 IN
IN 1
2 IN
IN 2
3 OUT
OUT 3
4 OUT
OUT 4
5 to 8 N.C.
N.C. 5 to 8
9 GND
GND 9
REMARKS:
Please solder the FG (Film Ground) of the cable to the metal casing of the connector for more
isolation to noise.
PC (25 PIN) TO SCALE RS232C PORT
(For PC and PC FL-1 communication)
25 Pin D-Sub (Female) 8 Pin DIN plug (Male)
Pin Signal
Signal Pin
2 TXD
RXD 4
3 RXD
TXD 5
7 GND
GND 2
4 RTS
RTS 6
5 CTS
CTS 7
8 CD
DSR 3
6 DSR
20 DTR
SM300 / SM80SX / SM90 / SM500 / SM500MK4 SM300 / SM80SX / SM90 / SM500 / SM500MK4
SM300 / SM80SX / SM90 / SM500 / SM500V2 / SM500MK4
RS232 Port
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