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4. CONTROL UNIT CONNECTIONS
4.11 Connecting Other Peripheral Devices
I - 36
(b) F314 (For personal computer/communication terminal)
NC side (TERMINAL)
(20pin half-pitch)
PC side
(25pin D-SUB)
Signal Pin No.
Cable connection & Signal direction
Pin No. Signal
TXD 6 2 TXD
RXD 16 3 RXD
DTR 18 20 DTR
GND 1 7 GND
Communication
terminal side
(25pin D-SUB)
TXD 2 2 TXD
TXD* 12 12 TXD*
RXD 4 4 RXD
RXD* 14 14 RXD*
ENCT* 8 8 ENCT*
GND 11 11 GND
GND 5 5 GND
GND 15
15 GND
[PC side connector (Recommended)]
Connector
：HDBB-25S (Hirose Electric)
Case
：HDB-CTF (Hirose Electric)
[NC side connector (Recommended)]
Connector
：10120-3000VE (Sumitomo 3M)
Case
：10320-52F0-008 (Sumitomo 3M)
[Communication terminal side connector (Recommended)]
Connector
：10120-3000VE (Sumitomo 3M)
Case
：10320-52F0-008 (Sumitomo 3M)
(4) RS-232C cable (F315)
NC side (TERMINAL)
(25pin D-SUB)
PC side
(9pin D-SUB)
Signal Pin No.
Cable connection & Signal direction
Pin No. Signal
GND 1 1 GND
2 RD
SD 2 3 SD
RD 3 4
－
ER(DTR) 20 5 GND
6 DR(DSR)
7
－
8 CS(CTS)
GND 7
9
－
[NC side connector (Recommended)]
Connector：HDBB-25S (Hirose Electric)
Case：HDB-CTF (Hirose Electric)
[PC side connector (Recommended)]
The recommended connector on the PC side is as
indicated below. The connector on the partner side
has to be matched with this connector.
9pinD-sub (Male) Inch screw fixing type
(DDK)
17LE-23090-27(D3CC)