Basic Node
V.11
V.28
G.703 E0 (64 kbit/s)
3.4.2 Functional Description
This section describes the functions of SAU3, based on the block diagrams in
Figure 24 on page 25.
10039
SPI
TDM
TDM Bus
PCI Bus
SPI Bus
Power
Power Bus
Secondary
voltages
AUX
User In/Out
V.11,
V.28,
G.703 (E0)
6 User In
3 User Out
Control and
Supervision
Figure 24 Block diagram for SAU3
3.4.2.1 AUX
SAU3 provides two auxiliary interfaces for serial communication. The interfaces
can work as a converter to and from IP traffic, and can be configured as
terminal server or PPP. The auxiliary interface AUX 2 can also work as a
Transparent Service Channel (TSC).
The following interface types can be configured.
• V.11, synchronous or asynchronous, 1.2 to 64 kbit/s
• V.28, synchronous or asynchronous, 1.2 to 64 kbit/s
• G.703 E0 (64 kbit/s)
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