Tektronix WFM 601A User Manual

WFM 601A, WFM 601E & WFM 601M User Manual

The waveform monitor has two multi-pin connectors on the rear panel that
provide different types of remote control. The RS-232 port provides for
automated calibration using a procedure contained in the Service Manual. In a
future firmware release, the RS-232 port will provide remote control using a
SCPI command set. The REMOTE connector provides a way to monitor signal
errors and to load or save Presets. It also provides two audio channel inputs for
the WFM 601A.

The RS-232 connector is a 9-pin D-type connector that provides a remote
verification interface. Figure B–1 shows the pin assignments and the commu-
nication parameters for the RS-232 interface.

1

2

3

4

5

6

7

8

9

DCD (Received line signal detector)

RXD (Received data)

TXD (Transmitted data)

DTR (DTE readly)

Signal ground

DCR (DCE readly)

RTS (Request to send)

CTS (Clear to send)

Not connected

Baud:  9600

Data bits: 8

Stop bits: 1

Parity: None

Flow control: Xon/Xoff

The rear-panel REMOTE connector is a 25-pin, D-type connector that allows
low-level remote control and audio channel inputs. Use the RS-232 interface for
control using SCPI commands sent from a PC controller.

The Remote connector provides control of Presets and monitoring of line select
and video alarm events. Eight of the Presets (stored front-panel settings) can be
stored or recalled remotely.