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

Page 23

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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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