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3-6 Switched EIA RS-232 Networks
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Data Rates for Switched RS-232 Using Modems
When connected through the switch, data rates are limited to speeds up to and including 19.2 Kbps. The
speeds may be reduced by the limit of the modems and the public/private facilities involved.
T/R
T/R
T/R
PUBLIC/PRIVATE
INTERLOCATION
FACILITIES
H600-331
GROUP 2
H600-331
GROUP 2
H600-331
GROUP 2
T/R
T/R
SWITCH
SWITCH
RS-232
RS-232
AUDIX
SWITCHED LINES
TO THE CENTRAL OFFICE
ALL CONNECTIONS
TO ANALOG PORTS
NOT
USED
MODEM
RS-232
AUDIX
MODEM
MODEM
MODEM
RS-232
AUDIX
MODEM
MODEM
T/R
Figure 3-4. Switched RS-232 Network for Separate Locations and a PC