3 com.1 and com.2 ports (9 pins) – Panasonic FP2 User Manual
Page 21
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Names and Functions of Parts
FP2−CCU
2 − 5
2.1 Names and Functions of Parts
2.1.3
COM.1 and COM.2 Ports (9 Pins)
These are used to connect the RS232C connector of an RS232C device such as a
personal computer or display panel, using a shielded cable.
Pin layout
Pin No.
Name
Mnemonic
Signal direction
1
Frame Ground
FG
—
2
Send Data
SD
Unit → External device
3
Receive Data
RD
Unit ← External device
4
Request to Send
RS
Unit → External device
5
Clear to Send
CS
Unit ← External device
6
(Not used)
—
—
7
Signal Ground
SG
—
8
Receive Carrier Detect
CD
Unit ← External device
9
Equipment Ready
ER
Unit → External device
(9−pin internal)
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