Datasheet

Product Information: Specifications
18 InfraStruXure Manager
RS-485 Pin-out (COM 2)
Configure a building management system
To configure the MODBUS
®
-RTU building management system interface, select Build
Management System... from the Event Management menu.
COM 2 RS-485 Pin RS-485 Signal
1—
2 Do not connect
3RxD/TxD+
4 Reserved
5—
6 Reserved
7 Do not connect
8RxD/TxD–
9—
Shell Chassis GND
Note
The COM 2 RS-485 port is not equipped with terminating, ground current limiting, or
pull-up resistors. The installer must provide them.