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2.5
Rear Panel Summary
The rear panel of DMM is shown in Figure 2-4. This section includes important information that should be
reviewed before operating the instrument.
1. Grounding
Chassis Grounding terminal
2. Power-Line Fuse-Holder Assembly
DMM can be configured for line voltage of 110/220V±10% AC at line frequency of 50/60Hz±5%.
Power-line fuse is used for instrument protection. (220V/500mA or 110V/1A)
Note: Please use the same-type fuse or contact your nearest Aktakom sales and service office.
To verify and replace the fuse, remove the power cable and pull out the fuse holder.
3. Label
Serial number for this instrument
4. RS-232C Connector
Connector for RS-232 operation. Use a standard DB-9 cable.
5. USB Connector
This USB device interface can be connect to a PC to replace the RS-232 operation.
6. Ext Trig
External trigger signal input terminal.
7. VM Comp
Voltmeter complete output terminal
8. GPIB(Optional)
Connector for GPIB (IEEE-488) operation. This is an optional interface; user needs additional order if it
is required.
8
7
GPI B
20VA M ax
1
2
Figure 2-4
6
5
4
VM Com p
Ext
Tr i g
USB
5V M ax t o
W ARN I N G
!
W 1- 508- 00008
S/ N :
※.
TO AVO I D ELECTRI C SH O CK,
TH E PO W ER CO RD PRO TECTI VE GRO UN D I N G CO N D UCTO R
M UST BE CO N N ECTED TO GRO UN D .
RATI N G
FUSE
※.
~
TH I S I N STRUM EN T CO N TAI N S N O O PERATO R
~
110V/ 60H z
T1AL
SERVI CEABLE PARTS I N SI D E;
220V/ 50H z
T500m AL
REFER SERVI CI N G TO SERVI CE TRAI N ED PERSO N N EL O N LY.
3
DMM Rear Panel
ABM-4082
RS- 232C
15
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