Hp E1368A User Manual Page 24

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Connecting
Switches External
to the Module
Connection of up to five coaxial switches (channels 00-04) is described
below. Figure 2-4 shows the wiring diagram for each switch connected.
Caution The maximum current that the control circuit can accommodate
is 1 amp per switch. Maximum current also depends on the
output capacity of the mainframe or power supply used.
After selecting the coaxial switches, connect to the 14-pin connector as
follows:
1. Route an 11-wire cable (not-supplied) from the 14-pin connector on
the Microwave Switch module to the switch location. Route the
wires through the panel holes as not to catch or snag on any objects
during module installation in the mainframe or control module.
2. Connect all C+ terminals on all the coaxial switches to pin 6.
3. Connect CH00 through CH04 switch terminals as required.
CH00 1 terminal to pin 13, and the 2 terminal to pin 2.
CH01 1 terminal to pin 11, and the 2 terminal to pin 5.
CH02 1 terminal to pin 3, and the 2 terminal to pin 9.
CH03 1 terminal to pin 4, and the 2 terminal to pin 10.
CH04 1 terminal to pin 7, and the 2 terminal to pin 8.
4. Select correct switch operating voltages (see “Selecting Switch
Power” later in this chapter).
Figure 2-4. Microwave Switch Connection
Chapter 2 Configuring the HP E1368A/69A/70A Modules 23
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