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Toshiba R48S1A 48 volt board R48S

R48S1A Toshiba 48 volt
R48S1A Toshiba 48 voltR48S1A on RSTU Toshiba
Price: $39.00
Item Number: R48S1A-R
Manufacturer: Toshiba
Manufacturer Part No: R48S1A
Toshiba R48S1A daughter board for the RSTU1A RSTU2A RSTU3A BSTU1A BSTU2A RDSU1A. Changes the line voltage from 24 volts to 48 volts. This is needed for long loop off premsise applications. Also because the normal voltage of a standard telephone line is 48V the R48S is sometimes needed for certain modems, fax machines, voicemails, and other types of hardware.

Installation notes: The UP arrow on the R48S was printed for the RSTU1A and Toshiba then went and made the RSTU2A and RSTU3A differently. The R48S can only be installed one way, if the UP arrow is pointing down ignore it.
The R48S increases the line voltage but has nothing to do with ring voltage.

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