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2.5
RJ21 Phone Line Interface Option
The back panel shown below illustrates the RJ21 version of the Phone Line
Interface Board (Model - CC4800-21). The RJ21 board attaches to the
standard DB25 back panel connectors (refer to section 2.2) for leased line or
dial-up applications.
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Figure 2-3. Back Panel (with CC48-21L Phone Line Interface Board)
Note: The CC4800 48 Volt Card Cage does not appear as illustrated. You
will find a 3-terminal power input strip and hexagonal-shaped fuse holder
instead of an AC Power outlet and fuse on the bottom right of the cage.
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