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6-6 DCP Mode 3 Networks — 64 Kbps
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AUDIX systems could use up to six channels at any one time. Figure 6-3, DCP Mode 3 Network for
Multiple Locations, shows the DS1 arrangement. For requirements on the switch for DS1, refer to the latest
issue of DEFINITY Communications System & System 75/85 DS1/DMI/ISDN-PRI Reference (585-025-
101). If the customer has a non-DCP switch and wishes to use DCP Mode 3 for interlocation
communication, see DCP Mode 3 Network For a 5ESS Switch later in this chapter.
DATA RATES FOR DCP MODE 3
This arrangement operates at speeds of 64 Kbps.
DCP
SWITCH
AUDIX
RS-232
ACCESS
RS-232
ACCESS
DCP
CROSS-CONNECT
FIELD
CROSS-CONNECT
FIELD
H600-331, GROUP 2
H600-331
GROUP 2
DS1
INTERFACE
(AVD)
DS1
INTERFACE
(AVD)
T1 CARRIER
T1 CARRIER
PRIVATE
NETWORK
SWITCH
AUDIX
Figure 6-3. DCP Mode 3 Network for Multiple Locations