FC5A M
ICRO
S
MART
U
SER
’
S
M
ANUAL
FC9Y-B1268
A-13
Computer Link Cable 4C (FC2A-KC4C)
Cable Length: 3m (9.84 feet)
To MicroSmart RS232C Port 1 or 2
D-sub 9-pin Female Connector Pinouts
Pin
Description
Cover
FG
Frame Ground
3
TXD Transmit Data
2
RXD Receive Data
6
DSR Data Set Ready
8
CTS
Clear to Send
1
DCD Data Carrier Detect
4
DTR Data Terminal Ready
5
SG
Signal Ground
7
NC
No Connection
9
NC
No Connection
Mini DIN Connector Pinouts
Description
Pin
Shield
Cover
TXD
Transmit Data
3
RXD
Receive Data
4
RTS
Request to Send
1
NC
No Connection
8
DSR
Data Set Ready
5
DTR
Data Terminal Ready
2
SG
Signal Ground
7
SG
Signal Ground
6
To Computer RS232C Port
User Communication Cable 1C (FC2A-KP1C)
Cable Length: 2.5m (8.2 feet)
To MicroSmart RS232C Port 1 or 2
To RS232C Port
Mini DIN Connector Pinouts
Note:
When preparing a cable for port 1, keep pins 6 and 7 open. If pins 6 and 7 are connected together, user communication
cannot be used. Make sure that unused leads do not interconnect.
Pin
Port 1
Port 2
AWG#
Color
1
NC
No Connection
RTS
Request to Send
28
Twisted
Black
2
NC
No Connection
DTR Data Terminal Ready
28
Yellow
3
TXD
Transmit Data
TXD Transmit Data
28
Blue
4
RXD
Receive Data
RXD Receive Data
28
Green
5
NC
No Connection
DSR Data Set Ready
28
Brown
6
CMSW Communication Switch
SG
Signal Ground
28
Gray
7
SG
Signal Ground
SG
Signal Ground
26
Twisted
Red
8
NC
No Connection
NC
No Connection
26
White
Cover
—
—
—
Shield
Do not connect any wiring to NC terminals, otherwise operation failure or device damage
may be caused.
Caution
Signal Direction
1
2
3
4
5
6
7
8
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