Siemens SINAUT ST7 - 5 Network Configurations

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MD2 Modem (07/2002) 5-1

Network Configurations

5.1 Network Configurations with RS232..........................................................................5-2

5.1.1 Point-to-Point, 4-wire Full-duplex................................................................................5-3

5.1.2 Point-to-Point, 2-wire Half-duplex...............................................................................5-5

5.1.3 Multidrop Line, 4-wire Full-duplex...............................................................................5-7

5.1.4 Multidrop Line, 2-wire Half-duplex..............................................................................5-10

5.1.5 Star Network via the MD2-internal Two-way Transformer, 2-wire Half-duplex..5-13

5.1.6 Star Network via an External Multiple Transformer, 2-wire Half-duplex..............5-17

5.1.7 Star Network via an External Multiple Transformer, 4-wire Full-duplex...............5-21

5.1.8 Repeater, 4-wire Full-duplex........................................................................................5-24

5.1.9 Repeater, 2-wire Half-duplex.......................................................................................5-28

5.2 Network Configurations with RS485..........................................................................5-32

5.2.1 Point-to-Point, 2-Wire Half-duplex (RS485 Interface).............................................5-33

5.2.2 Point-to-Point with Fiber Optic Section, 2-wire Half-duplex (RS485 Interface)...5-35

5.2.3 Multidrop Line, 2-Wire Half-duplex (RS485 Interface).............................................5-37

5.2.4 Multidrop Line with Fiber Optic Section, 2-wire Half-duplex (RS485 Interface)..5-40

5.2.5 Star Network, 2-Wire Half-duplex (RS485 Interface)...............................................5-42

5.2.6 Repeater, 2-Wire Half-duplex (RS485 Interface).....................................................5-46

5.3 Network Configurations for DTE without RTS/CTS.................................................5-50

5.3.1 Point-to-Point, 4-wire Full-duplex................................................................................5-51

5.3.2 Point-to-Point with Repeater, 4-wire Full-duplex......................................................5-53

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