Editing the Liebert IntelliSlot Unity Card Configuration 5.5.2 ProtocolsModbus Folder Modbus Settings Managed Device Write Access Enable or Disable the Modbus server to write to the managed device Modbus Interface Select the Modbus interface, either Modbus TCP or Modbus RTU 5.5.2.1 Modbus TCP Folder The Modbus TCP permits connection to the card by: any client (Open) permits communication by any IP address clients on the same subnet as the Liebert IntelliSlot Unity card clients with specific IP addresses (Trusted IP Lists); only five addresses are permitted Modbus TCP Settings Limit Network Access Type IP Access List (Open, Same Subnet, Trusted IP List) Port The TCP port used by the Modbus Server to listen for and respond to Modbus protocol requests based on Limit Network Access Type setting. Maximum Client Connection Count 59 Liebert® IntelliSlot Unity Card User Manual