Specifications

General Information Guide
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Mitel Networks 3300 R2 Network Services Unit
The Mitel Networks 3300 R2 NSU provides connectivity to R2 trunks with MF-R2 digital trunk
signaling. Up to two links are supported by a single 3300 R2 NSU.
The 3300 R2 NSU connects to a 3300 Controller by using a fiber cable.
Additional digital trunks can be added to the 3300 ICP by chaining two NSUs together via the Copper
Interface Module (CIM) connection using a Category 5 crossover cable.
For detailed information on the hardware specifications, refer to the Hardware User Guide.
Mitel Networks 3300 BRI Network Services Unit
The Mitel Networks 3300 BRI NSU provides connectivity for Basic Rate ISDN (BRI) transport for both
data and voice traffic. It is available in North American and European variants. The North American
variant supports user-side interface. The European variant supports both network and user-side
interfaces.
The 3300 BRI NSU supports 15 BRI U-interfaces per unit. It does not connect to a 3300 Controller
directly but instead connects to the Mitel Networks 3300 Universal NSU by using a copper cable. For
detailed information on the hardware specifications, refer to the Hardware User Guide.
Analog Services Units
The Analog Services Unit (ASU) provide connectivity for analog trunks and telephones (POTS and
On-Premise Station (ONS)) to the 3300 ICP system. There are two variants:
• Mitel Networks 3300 Universal Analog Services Unit
• Mitel Networks 3300 Analog Services Unit
The 3300 ICP system supports up to four Analog Services Units in any combination giving a
maximum of 96 analog ports for standard telephone connectivity.