User manual

19 EKI-1321/1322 User Manual
Chapter 2 Getting Started
2.3.5 Power Connection
The EKI-1321/1322 supports dual 12 to 48V
DC
power inputs.
Figure 2.15 EKI-1321 Power Connector
Figure 2.16 EKI-1322 Power Connector
You can connect an alarm indicator, buzzer or other signaling equipment through the
relay output.
2.3.6 Serial Connection
EKI-1321/1322 provides one or two ports DB9 (male) connectors. RS-232/422/485
pin assignments as below:
Table 2.2: EKI-1321/1322 Serial Pin Assignments
Pin 1 234 5 6789
RS-232 DCD RXTXDTR GND DSRRTS CTSRI
RS-422 TX- - - TX+ GND - RX+ - RX-
RS-485DATA---DATA+GND----