Figure 15-3. unchannelized t3 or e3 application – Rainbow Electronics DS3131 User Manual
Page 171
DS3131
171 of 174
shows an application where up to 40 T1 or E1 ports are interfaced to a single DS3131. In this
application, the quad T1 and E1 transceivers (DS21Q352/DS21Q552/DS21Q354/DS21Q554) perform
the line interface function and frames to the T1 or E1 line. The local bus (if enabled) can be used to
configure and monitor the T1/E1 transceivers.
Figure 15-2. Multiport T1 or E1 Application
DS3131
BOSS
DS21Q352
DS21Q552
DS21Q354
DS21Q554
Quad
T1 or E1
Transceiver
PCI
Bus
Local Bus
T1/E1 Line
T1/E1 Line
T1/E1 Line
T1/E1 Line
DS21Q352
DS21Q552
DS21Q354
DS21Q554
Quad
T1 or E1
Transceiver
T1/E1 Line
T1/E1 Line
T1/E1 Line
T1/E1 Line
DS21Q352
DS21Q552
DS21Q354
DS21Q554
Quad
T1 or E1
Transceiver
T1/E1 Line
T1/E1 Line
T1/E1 Line
T1/E1 Line
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