40
Optional Rear Panel Outputs (4320)
1. HIGH VOLTAGE OUTPUT JACK: For the connection of the detachable 6-foot (1.8 m) red high voltage test
lead or three-prong receptacle adapter box. The jack is recessed for safety when this lead is not being
used. This jack is always used when performing the Hipot or Insulation Resistance tests. Please refer
section E. Adapter Box connection for details on connecting the adapter box between the tester and the
device under test
2. CURRENT OUTPUT JACK: This jack uses for the connection of the detachable 5-foot (1.52 m) red high
current test lead or adapter box. This jack is always used when performing a Ground Bond test. Please
refer section E. Adapter Box connection for details on connecting the adapter box between the tester and
the device under test.
3. RETURN OUTPUT JACK: For the connection of the detachable 5 foot (1.52 m) black return test lead or
three-prong receptacle adapter box. This jack is always used when performing a test. Please refer section
E. Adapter Box connection for details on connecting the adapter box between the tester and the device
under test.
4. Optional RS-232 Interface
This option may be added as a serial type communication protocol. This option provides all of the function
control of the RS-232 interface. The 9-pin D-type subminiature connector labeled “RS-232” is for
connection of the 4320/4520 to any compatible PC. When selecting RS232, the protocol for interfacing and
communicating with a PC can be found on Annex D: Remote Bus Interface: RS232 of this manual.
CAL.
REMOTE OUTPUTREMOTE INPUT
115
RS232
T6.3A 250V
GND
VOLTAGE
SELECTOR
CAUTION
HIGH VOLTAGE
RETURN CURRENTH. V.
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