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Chapter 24, Connector, Key, and Knob Descriptions
Connector Descriptions
DC INPUT
WARNING:
To prevent a potential shock hazard, always connect the chassis ground terminal to earth ground
when operating this instrument from a DC power source.
Digital Test Connections
512
This female connector is used with a dc supply to provide power to the
instrument. The male counterpart to this connector is included in the Connector
Kit accessory. (
See "Accessories" on page 535
The following HP parts can also be ordered to assemble the male counterpart to
this connector:
Connector housing: 1251-4782 (1 required)
Connector contacts: 1252-0385 (2 required)
Control I/O, CW RF OUT, DET OUT, IQ RF IN, 114.3 MHz OUT
The following connectors are only used when an HP cellular adapter (such as an
HP 83203B) is connected to the Test Set to perform digital modulation tests.
These connectors are optional.
1. Control I/O provides control of the cellular adapter.
2. CW RF OUT routes the RF carrier to the cellular adapter. If a cellular adapter is not
present, a jumper must be used to connect this port to the IQ RF IN port.
3. DET OUT routes the average power detector's signal to the AUX DSP IN of the cellu-
lar adapter for making average power measurements. This port may not be used with
all models of cellular adapter.
4. IQ RF IN routes the RF carrier from the cellular adapter back into the Test Set. If a cel-
lular adapter is not present, a jumper must be used to connect this port to the CW RF
OUT port.
5. 114.3 MHz IF OUT provides the down-converted RF signal to the cellular adapter.
.)
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