CK722 Network Utility Tool
Introduction
24-10239-30 Rev. D
1-7
This document contains confidential and proprietary information of Johnson Controls, Inc.
© 2016 Johnson Controls, Inc.
Null Modem Cable
The null modem cable provides an RS-232 serial connection from the CK722
RS232C A port to the COM port of the computer running the terminal emulation
software, such as Tera Term Pro.
Connector 1 Pinout Connector 2 Pinout
TX = Transmit
RX = Receive
RTS = Request to Send
CTS = Clear to Send
SG = Signal Ground
DSR = Data Set Ready
DTR = Data Terminal Ready
3 TX
2 RX
2 RX
3 TX
7 RTS
8 CTS
8 CTS
7 RTS
5 SG
5 SG
6 DSR
4 DTR
4 DTR
6 DSR
Содержание CK722
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