Anritsu 540 A Series, Operation Manual

Page: 195 / 208

1. EXTERNAL MONITOR: Connects internal display
information to an external VGA-type monitor via a
standard VGA interface cable. The pinout for this
connector is shown in Figure B-2.
2. GPIB/IEEE-488 INSTRUMENT INTERFACE: Gen-
eral Purpose Interface bus connector. Connects
541XXA to external system controller or external
GPIB controlled plotter via standard GPIB interface
cable. Refer to Chapter 2, Installation. The pinout for
this connector is shown in Figure B-3.
3. LINE FUSE: Provides overvoltage/current protec-
tion for the 540XXA circuits. Unit requires a 4A, an-
tisurge fuse for 115 Vac line voltage or a 2A, an-
tisurge fuse for 230 Vac line voltage.
4. VOLTAGE SELECTOR; Provides selection of 115
or 230 Vac line voltages. When 115 Vac is selected,
the 541XXA accepts 90-132 Vac, 48-400Hz line volt-
age; when 230 Vac is selected, the 541XXA accepts
180-265 Vac, 48-400Hz line voltage.
5. INPUT LINE VOLTAGE RECEPTACLE: Provides
for connecting line voltage to the 541XXA SMS.
6. PARALLEL PRINTER INTERFACE: Provides
standard Centronics

parallel interface to external
printer.
7. EXTERNAL ALC INPUT (Option 06): Connects
external detector signal to internal RF output level-
ing circuits for signal source. Selection of internal or
external ALC detectors is made via the LEVELING
key located in the SOURCE key group. External
level detector signal output requirements: positive
or negative polarity signal, 5 to 200mV amplitude.
8. HORIZONTAL OUTPUT: Sweep Ramp output
signal, 0 to +10V (nominal). Instantaneous voltage
proportional to present position of sweep within
sweep range.
)LJXUH% 0RGHO;;$5HDU3DQHO/D\RXW
1
2
3
6 7
8
NO OPERATO R SERVICE-
ABLE PARTS INSIDE
REFER SERVICING TO
QUALIFIED PERSONNEL
WARN ING
FOR CONTINUED FIRE
PROTECTION REPLACE
ONLY WITH SPECIFIED
TYPE AND RATED FUSE
CAU TION
FUSE:
230V 2A AS
115V 4A AS
48-440Hz 300VA MAX
NOTE : CLE AN FILTE R PERIODICALLY FOR M AXIMUM RELIABILIT Y
EXTERNAL MONITOR
GPIB/IEEE 488 INSTRUMENT INT ERFACE
OR GPIB\IEEE 488 PLOTTER CONTROL
THE FUNCTION OF THIS CONNECTOR IS SELECT ED THRO UG H
A FRO NT PANEL MENU BY PRESSING THE SYSTEM KEY
PARAL LEL PRINTER INTERFACE
EXTERNAL
ALC INPUT HORIZONTAL
OUTPUT
OPTIONS
0 2 S T E P AT TE N U ATO R
0 3
0 4 7 5 OH M O U TP U T
0 5 R C H A N N E L
0 6 E X T LE V E LIN G
07 D TF
115
230
VOLTAGE
SELECTOR
4
5
REAR PANEL OPERATI NG
LAYOUT DATA
541XXA OM B-11