Agilent Technologies E6640A EXM Manual de servicio descargar pdf (Pagina 50)

50 Getting Started Guide

2 Front and Rear Panel Features

Rear-Panel Features

Item

Description

# Name

1 Line power input The AC power connection. See the product specifications for more details.

2 FAN Fan speed control (settings are HIGH and AUTO).

3 INHIBIT Inhibit switch. The settings are DEF (default) and MAN (manual).

• When the switch is in the default position, the chassis is powered up by

the front panel ON/Standby pushbutton. This is the recommended

setting.

• When the switch is in the manual position, the chassis is powered up by

the Inhibit input signal on the rear panel INHIBIT/VOLTAGE MON

DB-9 connector.

4 INHIBIT/

VOLTAGE

MON

This DB-9 connector provides access for testing of internal power supply

voltages. The voltages (by Pin #) are: (1) Logic Gnd, (2) +5 VDC, (3)

Rsrvd, (4) +3.3 VDC, (5) Inhibit [Low], (6) +12 VDC, (7) Rsrvd,

(8) -12 VDC, (9) Logic Gnd.

510 MHz REF

OUT

This BNC connector is not used by the E6640A test set. The front panel 10

MHz OUT connector should be used instead.

6 10 MHz REF IN This BNC connector is not used by the E6640A test set. The front panel

REF IN connector should be used instead.

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Agilent Technologies E6640A EXM Manual de servicio Pagina 50