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Introduction
Figure 1-3 illustrates the controls and connectors on the rear panel of the 1880
Milliohmmeter. Table 1-2 identifies them with description and function.
Figure 1-3: Rear Panel Controls and Connectors
Table 1-2: Rear Panel Connectors and Controls
Reference #
Figure 1-3
Name Type
Function
1
HANDLER
DB9 (9-pin) female
connector
I/O connection for
component handler
2
CALIBRATION
For Use by
Qualified Service
Personnel ONLY.
Improper use will
alter instrument
calibration.
Enable/Disable
Calibration function
3
ALARM SIGNAL
Audible output
activated for Pass/Fail
4 ALARM
VOLUME
Silver rotary switch
Controls loudness of
P/F alarm. Off/On
5
LINE VOLTAGE
SELECTED
Red 2-position slide
switch
Select AC power
source: 115V or 230V
Q
uadTech
D I S A B L E
I E E E 4 8 8 I N T E R F A C E
E N A B L E
H A N D L E R I N T E R F A C E
A D D R E S S
C A L I B R A T I O N
G O O D
N O G O O D
A L A R M
S I G N A L
A L A R M
V O L U M E
L I N E V O L T A G E
S E L E C T E D
F U S E
A C L I N E I N P U T
S I N G L E P H A S E
1 1 5 V 1 / 4 A
2 3 0 V 1 / 8 A
S L O W B L O W
230
115
1
4
3
2
5
7
6
1 0
9
8
O N 1
4
3
5
2
7
8
6
