Analog Services Unit - Mitel 3300 ICP Hardware Technical Reference Manual

C 3
HAPTER
One CIM port for connecting to the Controller.
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The Analog Services Unit II rear panel contains:
Power supply and fan
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Two slots for analog line cards (see
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Protective ground for grounding the chassis.
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Analog Services Unit

The ASU is the On-Premise Station (ONS) line unit. It supports up to 24 ONS phones. The unit does not
support LS trunks, Music on Hold, or Loudspeaker paging.
Custom Local Access Signaling Services (CLASS) allows the 3300 ICP system to pass Calling Line ID
digits and CLASS name information to ONS display sets that support Caller ID functionality.
CLASS trunks are not supported on the ASU.
The Analog Services Unit front panel provides
24 ONS circuit status LEDs
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One CIM port for connecting to the Controller
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Analog Services Unit II Rear Panel
Figure 3.2:
Analog Line Cards (for AX and ASU II
Analog Services Unit Front Panel
Figure 3.3:
A S
NALOG ERVICES
S U G
ERVICES NITS AND ATEWAYS
only))
U
NITS
44