B&B Electronics MESR424T_D-MT_D-SC - Datasheet - Manual (Page 3)

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Ethernet Master and Serial Slaves
Your Modbus gateway can be used to integrate serial slave devices on a Modbus TCP network. This
allows TCP Masters to control serial slave devices. The example below is using a gateway with two
serial ports.
Model Number Ethernet Port 1 Ethernet Port 2 Serial Ports
MESR424D 10/100 RJ45 10/100 RJ45 RS-232/422/485 (DB9 male)
MESR424D-MT 10/100 RJ45 Multi-mode (ST) RS-232/422/485 (DB9 male)
MESR424D-SC 10/100 RJ45 Single-mode (SC) RS-232/422/485 (DB9 male)
MESR424T 10/100 RJ45 10/100 RJ45 RS-232/422/485 (Terminal Block)
MESR424T-MT 10/100 RJ45 Multi-mode (ST) RS-232/422/485 (Terminal Block)
MESR424T-SC 10/100 RJ45 Single-mode (SC) RS-232/422/485 (Terminal Block)