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COMSPHERE 3550 Series Data Service Units
E February 1995 3550-A2-GB20-10
The DDS Service Order Number is 6.0Y. The jack configurations required are RJ48S for the
Model 3550 DSU and RJ48T for the Model 3551. With an RJ48T configuration, you must specify
the number of data lines you require. Refer to the Technical Specifications section of Chapter 1 for
V.32 DBM jack information.
After the telephone company has installed the requested jack, you can connect the DSU with the
appropriate cable (provided). An FCC-compliant telephone cord and modular plug is provided
with this equipment. This equipment is designed to be connected to the telephone network or
premises wiring using a compatible modular jack that is Part 68 compliant.