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8588A/8558A
Operators Manual
Rear-Panel Features
Rear-panel features (including all terminals, sockets, and connectors) are shown
and described in Table 4.
The rear-panel terminals do not have Visual Connection
Management active terminal illumination.
Number
D
E
F
G
H
14
Table 4. Rear-Panel Features
1
2
18
Name
AC power input
A grounded male three-prong connector for the mains power cord
connector
that also houses the mains fuse.
Serial number
The Product Serial Number.
This co-axial BNC socket can be used to trigger a measurement
when external triggers are enabled. The trigger in signal can be
TRIG IN
either a TTL or Bipolar, with either a negative or positive slope. See
Triggering Measurements.
This co-axial BNC socket outputs a signal when a specified
measurement event occurs. The signal may be a TTL edge or a
square wave which is active during a particular process. This signal
TRIG OUT
is used to synchronize external equipment to the Product and is
comparable to the HP/Agilent/Keysight 3458A EXT OUT output. See
Input Terminals Selection.
Access holes for the internal fan. Air is expelled from the Product for
Fan access holes
internal cooling through these holes. See Cooling Considerations.
INPUT, A HI and
A pair of five-way binding posts for current measurements. Signals
LO
up to 2 A rms can be applied to these terminals.
A pair of five-way binding posts for voltage, ohms, capacitance, 2-
wire PRT, and thermocouple measurements. On the 8588A, these
INPUT, V HI and
binding posts also connect to the output of external current shunts.
LO
Frequency can be measured via these terminals. Signals up to
1050 V rms can be applied to these terminals.
SENSE, V HI and
A pair of five-way binding posts for 4-wire resistance measurements.
They are the sense terminals in 4-wire Ω and 3- and 4-wire PRT.
LO
Note
4
5
6
3
3
17
16
15
14
13
Function
8
7
9
12
11
10
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