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3.2.2. Rear Panel Controls
1. SCANNER 1, SCANNER2 CONNECTORS: For connection of optional Scanning
Matrix HS-8A (or previous model HS-8).
2. REMOTE SIGNAL OUTPUT: 9-Pin D subminiature female connector for
monitoring PASS, FAIL, and PROCESSING output relay signals.
3. REMOTE SIGNAL INPUT: 9-Pin D subminiature male connector for remote
control of test, reset, and interlock functions as well as program memory selection 1,
2, or 3.
4. BUS INTERFACE: Standard connector for interconnection to the IEEE 488 Bus
interface. Optional USB/RS-232 interface can be substituted for this interface.
5. THERMAL COOLING FAN: Runs continuously to cool the instrument.
6. HIGH VOLTAGE OUTPUT JACK: For the connection of the detachable 5 foot
(1.52 m) high voltage test lead. The silicone rubber insulation is flexible for easy
handling and is rated at 30KVDC. The jack is recessed for safety when this lead is
not being used.
7. RETURN OUTPUT JACK: For the connection of the detachable 5 foot (1.52 m)
return test lead. This lead is always used when performing a test. On model 7704 this
jack will carry high current for the Ground Bond test.
8. CURRENT OUTPUT JACK: (Model 7704 only) For the connection of the
detachable 5 foot (1.52 m) high current output lead used for the ground bond test.
This lead is only used for the ground bond test.
GROUND CONTINUITY JACK: (Model 7700 only) For the connection of the
detachable 5 foot (1.52 m) low current return lead used for the ground continuity test.
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