2
Connect to Your Host
Both RS232 and USB interfaces are available in different models of FM400
series. Each model is equipped with corresponding connector to meet
various application demands.
USB Models (FM4xx-11x)
The USB models provide a plug-and-play solution. Both USB HID and USB
COM Port Emulation interfaces are available for user’s choice.
RS232 Models (FM4xx-00x)
The RS232 models support the standard RS232 interface equipped a 9-pin
D-sub connector with power jack for external 5Vdc power inlet.
Universal Models (FM4xx-98x)
The universal models support RS232 and USB interfaces with OK/NG signal
outputs and external trigger input.
Pin No.
Signal
Description
I/O Type
Case FG
Frame
Ground
---
1
VCC ---
I
2
Data -
USB Data -
I/O
3
Data +
USB Data +
I/O
4 GND
---
---
Pin No.
Signal
Description
I/O Type
Case FG
Frame
Ground
---
1 ---
---
---
2 TXD
Transmit
Data
O
3 RXD
Receive
Data
I
4 ---
---
---
5 GND
Signal
Ground
---
6 ---
---
---
7
CTS
Clear to Send
I
8
RTS
Request to Send
O
9 VCC
5Vdc
Power
Supply
I
Pin No.
Signal
Description
I/O Type
1 VCC
5Vdc
Power
Supply
I
2 TXD
Transmit
Data
O
3 RXD
Receive
Data
I
4 GND
Signal
Ground
---
5 ---
---
---
6
RTS
Request to Send
O
7
OK
OK Signal Output (3-24Vdc)
O
8
Data +
USB Data +
I/O
9 Trigger
External
Trigger
Input
I
10
CTS
Clear to Send
I
11 ---
---
---
12
Data -
USB Data -
I/O
13 Shield
Frame
Ground
---
14
NG
NG Signal Output (3-24Vdc)
O
15 Reserved
---
---
4-pin Type A
Connector
9-pin D-sub
Female Connecto
r
15-pin D-sub HD
Female Connector