Digital Equipment LGplus Series, Руководство по установке

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RS–232 and RS–422 Serial Interface Signals
The RS–232/RS–422 connector mounted on the printer is a 25–pin DB–25S
type. The mating connector is a DB–25P. RS–232 and RS–422 compatible
serial interface signals are defined as follows:
An adapter and cable (H8585–AE and BN26X–xx) are required for signal
interface when using the RapidPrint 200 Network Interface box.
RS–232
Received Data (RD) — Serial data stream to the printer.
Transmitted Data (TD) — Serial data stream from the printer for
transmitting status and control information to the host. Subject to
protocol selection.
Request To Send (RTS) — Control signal from the printer. Subject to
configuration.
Clear To Send (CTS) — Status signal to the printer indicating the host
is ready to receive data/status signals from the printer.
Data Set Ready (DSR) — Status signal to the printer indicating the host
is in a ready condition.
Data Carrier Detect (DCD) — Status signal to the printer. The ON
condition is required for the printer to receive data.
Data Terminal Ready (DTR) — Control signal from the printer.
Subject to configuration.