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4-3SectionApplication Procedure
41
1:N Connections Using RS-232C Ports
5-V (+)
power (–)
D-sub, 9-pin
connector (male)
NT-AL001-E Link Adapter
Shield
RS-232C
Interface
RS-232C
Interface
RS-232C
Interface
Signal Pin
DIP Switch Settings
Pin 1: ON
Pin 2: ON
(terminating resistance)
Pin 3: OFF
Pin 4: OFF
Pin 5: OFF
Pin 6: OFF
NT-AL001-E Link Adapter
RS-232C
NT-AL001-E Link Adapter
Pin
Pin
Serial Communications
Board
Serial Communications
Board
Computer
(See note)
D-sub, 9-pin
connector (male)
DIP Switch Settings
Pin 1: ON
Pin 2: OFF (no terminating
resistance)
Pin 3: OFF
Pin 4: OFF
Pin 5: OFF
Pin 6: ON
DIP Switch Settings
Pin 1: ON
Pin 2: ON
(terminating resistance)
Pin 3: OFF
Pin 4: OFF
Pin 5: OFF
Pin 6: ON
D-sub, 9-pin
connector (male)
Terminal block
Signal Signal
RS-422A
SignalPin
Pin
Signal
Signal
RS-232C
(See note)
Pin Signal Pin Signal
PinSignal
FG
SD
RD
RTS
CTS
DSR
DTR
SG
NC
SD
RD
RTS
CTS
5V
DSR
DTR
SG
FG
SD
RD
RTS
CTS
5V
DSR
DTR
SG
NC
SD
RD
RTS
CTS
5V
DSR
DTR
SG
FG
SD
RD
RTS
CTS
5V
DSR
DTR
SG
NC
SD
RD
RTS
CTS
5V
DSR
DTR
SG
Note We recommend using the following NT-AL001-E Link Adapter Connecting
Cables to connect to NT-AL001-E Link Adapters.
XW2Z-070T-1: 0.7 m
XW2Z-200T-1: 2 m