Schneider Electric Processor Adapter - Manual (Page 193)

Using the Modbus Plus Ports
870 USE 101 10 V.2 193
Cable Accessories for Modbus Plus Networks, Continued
DB9 Connector
“T” This connector is used in cluster mode with a Modbus Plus Communication
Adapter or with the 172 PNN 210 22 or 172 PNN 260 22 Modbus Plus Option
Adapters.
Terminating
Resistor Plugs Terminating resistor plugs are used with the connector “T” at the last device in a
cluster when it is also the last device in the Modbus Plus network. The plug is red.
Note: Only one connector “T” may be used with each adapter, making it
impossible to use redundant cabling in cluster mode.
Description Part Number Illustration
Modbus Plus Connector “T”
(DB9 base) 170 XTS 020 00
Description Part Number Illustration
Modbus Plus or Modbus RS485
Terminating RJ45 Resistor Plugs
(pack of 2) 170 XTS 021 00