22
MFR-16DTIO: Used to input/output RS-422 data signals
► See section 2-5. "RS-422 Data Input/Output Cards."
J
OUTPUT
MFR-16SDO/16SDOGB: Used to output digital component video signals
MFR-16ADAO: Used to output digital/analog audio signals
MFR-16AAOEX: Used to output analog audio signals
MFR-16AESO Used to output digital audio signals
► See section 2-4. "Audio Input/Output Cards."
MFR-16DTIO: Used to input/output RS-422 data signals
► See section 2-5. " RS-422 Data Input/Output Cards."
*1 The MFR-LAN/MFR-LAN(CPU1, 2) connector may be labeled as TO RU, and the PC-LAN connector as TO
PC on units shipped before Sep. 16, 2011.
*2 The SERIAL connector is set to RS-232C as factory default. Consult your FOR-A reseller if you wish to
change the setting.
IMPORTANT
All 4 MFR-LAN and PC-LAN connectors (2 each) must be connected to their
respective devices to enable CPU redundancy. The LAN connections for MFR Series
devices must be separated from the network segment of other devices.
2-2-1. Interfaces
SERIAL Connector (9-pin D-sub, male)
RS-232C or 422 interface can be selected
via the CPU card DIP switches.
RS-232C Connector Pin Assignments (Factory default settings)
Pin No.
Signal Name
Description
1
NC
Not used
2
RxD
Received Data
3
TxD
Transmitted Data
4
DTR
Data Terminal Ready
5
SG
Signal Ground
6
DSR
Data Set Ready
7
RTS
Request To Send
8
CTS
Clear To Send
9
NC
Not used
* The maximum cable length is 10 m.
* DTR/DSR and RTS/CTS are internally connected respectively.
RS-422 connector pin assignment (9-pin, D-sub male)
Pin No.
Signal Name
Description
1
FG
Frame Ground
2
T-
Transmit data (-)
3
R+
Receive data (+)
4
SG
Signal Ground
5
NC
Unused
6
SG
Signal Ground
7
T+
Transmit data (+)
8
R-
Receive data (-)
9
FG
Frame Ground
* The maximum cable length is 100 m.
