2 internal control switches, Eight-position internal options dip switch – CANOGA PERKINS 2240 Fiber Optic Modem User Manual

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2240 Fiber Optic Modem

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2.2.2 Internal Control Switches

An 8-position DIP switch located on the modem board provides access for internal
control options (see Figure 2-3). Switch positions 1 through 6 provide the following
options:

Carrier Detect (CD) Signal Options (1 and 2)

Clocking Options (7 and 8)

External Clock Mode, switch position 7, and the Divide Ratio Table Select, switch
position 8, are described in Section 2.2.2.2.

NOTE: The nomenclature used for this switch is "off" equals "open."

Factory switch settings are shown in Figure 2-3.

Figure 2-3.

Eight-Position

Internal Options

DIP Switch

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