Omron NSA12-TX11B User Manual page 38

2-1 Nomenclature
2-1-3 Connectors and Interfaces
■
RS-232C Connector (COM Ports 1 and 2)
2
■
Ethernet Connector (Ethernet Ports 1 and 2)
100Mbps LINK Indicator
The green lamp is lit for 100-Mbps connection.
TX/RX ACT Indicator
The orange lamp is lit when
sending or receiving via Ethernet.
■
UPS Power Interrupt Signal Connector
1 2
2-4
NSA-series Industrial PC connector: 9-pin male D-SUB Connector (See note.)
Pin No.
1
2
3
4
5
6
7
8
9
Note: Use an SAE screw (4-40UNC) for the connector on
the NSA-series Industrial PC.
NSA-series Industrial PC connector: RJ45
Pin No.
1
2
3
4
5
6
7
8
NSA-series Industrial PC connector: S3B-PH-K-S (J.S.T. Mfg. Co., Ltd.)
Pin No.
1
3
2
3
Note: Set the ACFAIL input voltage to 24 V±10%.
Equivalent Input Circuit
The NSA-series Industrial PC can read a power interrupt detection signal from the
UPS by supplying power after an open condition occurs between the input
connector terminals or by creating an open condition between the input connector
terminals after power is supplied.
24 VDC (10 mA max.)
COM
UPS
Signal
CD Carrier Detect
RD Receive
TD Send
DTR Data Terminal Ready
GND Signal ground
DSR Data Set Ready
RTS Request To Send
CTS Clear To Send
RI Ring Indicator
Signal
TD+ Twisted pair send +
Twisted pair send −
TD−
RD+ Twisted pair receive +
NC Not used
NC Not used
Twisted pair receive −
RD−
NC Not used
NC Not used
Signal
ACFAIL
NC
COM
Input connector
Pin 1
Pin 3
NSA