Samsung SRP-250 Series Manual do Operador descarregar pdf (Página 41)

Interface Connector

Serial Interface

Pin No. Signal name

Direction

Function

1 FG - Frame Ground

2 TxD Output Transmit Data

3 RxD Input Receive Data

4 RTS Output Request To Send

6 DSR Input Data Set Ready

7 SG - Signal Ground

20 DTR Output Data Terminal Ready

Serial Interface Connection(Example)

Host(DTE ex 8251) Printer

TXD RXD

DSR DTR

RXD TXD

DTR DSR

S.G S.G

Parallel Interface Connector Pin Assignment

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 49 50

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Samsung SRP-250 Series Manual do Operador Página 41